1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1895 TO SEPTEMBER 1896 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 1200 1200 1550 5400 2350 2800 2350 1550 1200 1550 2140 1200 2 1200 1370 1550 4290 2350 2570 3770 1740 1940 1370 1940 1200 3 1200 1550 1550 3030 6300 2350 14400 6930 2570 2140 2140 1200 4 1200 1550 1550 2570 10700 2350 5990 8580 3270 3520 1940 1200 5 1200 1370 1550 2140 5990 2140 4030 4290 5110 2140 1940 2350 6 1200 1370 1370 1940 16200 2140 3270 3270 3520 9260 2140 2350 7 1200 1370 1370 1740 18000 2140 2800 2800 2350 11900 1940 4290 8 1200 2140 1370 1740 10700 2140 2570 2350 1940 21900 1740 2570 9 1200 2350 1370 2140 13900 1940 2350 2140 1740 50200 1740 1940 10 1200 2080 1740 1940 12300 1940 2350 2140 2570 71500 1550 1550 11 1200 2080 1740 1940 7580 1940 2140 1940 1740 39800 1550 1370 12 1370 2080 1550 1940 5110 2350 2140 1740 1550 24400 1550 1370 13 1200 2080 1550 1740 4030 2350 2140 1740 1550 16600 1740 1200 14 1200 2080 1550 1740 4290 2140 1940 1740 1370 8920 1550 2140 15 1200 2080 1550 1740 4030 2140 1940 1550 1370 5690 2350 1550 16 1200 2080 1370 1740 3770 1940 1940 1550 1370 4830 2140 1370 17 1200 1550 1370 2350 3520 1940 1940 1550 1370 4030 1940 1370 18 1200 1370 1370 3030 3030 1940 1940 1550 1370 3520 2140 1370 19 1200 1370 1370 2570 3030 1940 1740 1550 1740 3030 2140 1370 20 1200 1370 1370 2140 2800 2350 1740 1550 2140 3770 1740 1370 21 1200 1370 1740 2140 2800 2140 1740 1370 2140 3270 1550 1200 22 1200 1370 5690 1940 2570 2350 1740 1370 1940 3270 1370 1370 23 1200 1370 6300 3520 2350 2140 1740 1370 2350 2570 1370 1370 24 1200 1370 3520 6930 2350 2140 1740 1370 1940 2800 1370 1370 25 1200 1370 2570 9260 2570 2140 1740 3520 1940 2570 1370 1370 26 1200 1370 2350 6930 2350 2570 1740 1940 2350 2350 1370 1370 27 1200 1550 2140 4290 2350 2350 1740 1740 2140 2350 1370 1200 28 1200 2140 2140 3520 2350 2140 1740 1940 2140 3030 1370 1200 29 1200 1940 2800 3030 2800 2140 1550 1740 2140 3030 1370 1370 30 1200 1550 2570 2570 --- 1940 1550 1550 1940 2800 1200 8580 31 1200 --- 5990 2570 --- 2140 --- 1370 --- 2350 1200 --- TOTAL 37370 49890 67570 94560 162470 67730 80500 71530 62800 320460 52960 54730 MEAN 1205 1663 2180 3050 5602 2185 2683 2307 2093 10340 1708 1824 MAX 1370 2350 6300 9260 18000 2800 14400 8580 5110 71500 2350 8580 MIN 1200 1200 1370 1740 2350 1940 1550 1370 1200 1370 1200 1200 CFSM 0.40 0.55 0.71 1.00 1.84 0.72 0.88 0.76 0.69 3.39 0.56 0.60 IN. 0.46 0.61 0.82 1.15 1.98 0.83 0.98 0.87 0.77 3.91 0.65 0.67 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1896, BY WATER YEAR (WY) MEAN 1205 1663 2180 3050 5602 2185 2683 2307 2093 10340 1708 1824 MAX 1205 1663 2180 3050 5602 2185 2683 2307 2093 10340 1708 1824 (WY) 1896 1896 1896 1896 1896 1896 1896 1896 1896 1896 1896 1896 MIN 1205 1663 2180 3050 5602 2185 2683 2307 2093 10340 1708 1824 (WY) 1896 1896 1896 1896 1896 1896 1896 1896 1896 1896 1896 1896 SUMMARY STATISTICS FOR 1896 WATER YEAR ANNUAL TOTAL 1122570 ANNUAL MEAN 3067 HIGHEST DAILY MEAN 71500 Jul 10 LOWEST DAILY MEAN 1200 Oct 1 ANNUAL SEVEN-DAY MINIMUM 1200 Oct 1 ANNUAL RUNOFF (CFSM) 1.01 ANNUAL RUNOFF (INCHES) 13.69 10 PERCENT EXCEEDS 4290 50 PERCENT EXCEEDS 1940 90 PERCENT EXCEEDS 1200 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1896 TO SEPTEMBER 1897 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 7250 1370 13100 1740 1740 4450 4190 4720 3010 2380 1810 1810 2 3520 1550 8580 1740 3770 4190 3940 5270 2790 2180 1810 1810 3 2140 1550 4830 1550 5400 3940 3940 9910 2790 1990 1990 1810 4 1550 1550 3520 1550 5400 3700 4450 6120 2580 1990 2180 1810 5 1370 5400 3030 1550 3770 3700 38000 4720 4450 2180 2180 1810 6 1370 12700 2800 1550 27600 3700 57800 4190 3940 2580 2790 1630 7 1370 7250 3030 1940 68500 24100 20600 3940 3460 2180 3460 1630 8 1200 3520 2800 1740 37400 23600 8570 3700 9570 3700 3940 1630 9 1200 3030 2570 1740 12000 10200 7010 3700 7310 3700 3230 1630 10 1200 2570 2350 1550 7310 11300 6410 3460 5550 3460 2790 1630 11 1370 2140 2140 1550 6120 14800 7010 3460 4720 3010 11000 1460 12 1200 1940 1940 1550 7010 13200 5550 3460 3700 2580 4190 1460 13 1200 3270 1940 1550 7620 14400 5270 3940 3700 3940 2580 1460 14 1200 2570 1940 1550 7010 17800 4990 9230 3010 3700 2180 1460 15 1370 2570 1940 1550 6120 21100 4720 5270 3010 3230 2180 1460 16 1370 2350 5110 1740 5550 14800 4990 3940 3010 2380 2790 1460 17 1370 1940 5690 1740 5270 12000 4990 3460 2790 2180 2380 1460 18 1200 1740 3770 1940 4720 10200 4450 3460 3010 2380 2180 1460 19 1200 1740 2800 1940 4190 7620 4190 3460 3010 2180 2380 1460 20 1200 1740 2570 2140 4190 9230 3940 3230 2790 3010 2180 1460 21 1200 1740 2350 6300 6410 8900 3940 3460 3460 3940 1990 1990 22 1200 1550 2140 6610 5550 7310 3940 3010 2790 12800 2180 1630 23 1200 1550 2140 4830 5550 6120 3700 3010 2380 4450 2180 1460 24 1370 1550 1940 3270 24600 5550 3700 3010 2180 3010 2580 1460 25 1370 1550 1740 2800 11300 5270 3700 3230 2180 2380 3010 1990 26 1370 1550 1740 2350 7010 4720 3460 3230 2790 2180 2380 2180 27 1370 1550 1740 2140 5830 4450 3700 3010 2380 3700 2180 1810 28 1370 1550 1740 2140 4720 4190 3940 2790 2380 3010 1990 1810 29 1200 1940 1740 1940 --- 4190 3460 2790 2380 2580 1990 1630 30 1200 2570 1740 1550 --- 3940 3460 3010 2380 2180 1810 1630 31 1370 --- 1740 1550 --- 4450 --- 2790 --- 1990 1810 --- TOTAL 49070 79590 97200 69380 301660 287120 242010 125980 103500 97150 84320 49390 MEAN 1583 2653 3135 2238 10770 9262 8067 4064 3450 3134 2720 1646 MAX 7250 12700 13100 6610 68500 24100 57800 9910 9570 12800 11000 2180 MIN 1200 1370 1740 1550 1740 3700 3460 2790 2180 1990 1810 1460 CFSM 0.52 0.87 1.03 0.73 3.53 3.04 2.64 1.33 1.13 1.03 0.89 0.54 IN. 0.60 0.97 1.19 0.85 3.68 3.50 2.95 1.54 1.26 1.18 1.03 0.60 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1897, BY WATER YEAR (WY) MEAN 1394 2158 2658 2644 8143 5723 5375 3186 2772 6736 2214 1735 MAX 1583 2653 3135 3050 10770 9262 8067 4064 3450 10340 2720 1824 (WY) 1897 1897 1897 1896 1897 1897 1897 1897 1897 1896 1897 1896 MIN 1205 1663 2180 2238 5602 2185 2683 2307 2093 3134 1708 1646 (WY) 1896 1896 1896 1897 1896 1896 1896 1896 1896 1897 1896 1897 SUMMARY STATISTICS FOR 1896 CALENDAR YEAR FOR 1897 WATER YEAR WATER YEARS 1896 - 1897 ANNUAL TOTAL 1193600 1586370 ANNUAL MEAN 3261 4346 3706 HIGHEST ANNUAL MEAN 4346 1897 LOWEST ANNUAL MEAN 3067 1896 HIGHEST DAILY MEAN 71500 Jul 10 68500 Feb 7 71500 Jul 10 1896 LOWEST DAILY MEAN 1200 Jun 1 1200 Oct 8 1200 Oct 1 1895 ANNUAL SEVEN-DAY MINIMUM 1220 Aug 29 1220 Oct 8 1200 Oct 1 1895 ANNUAL RUNOFF (CFSM) 1.07 1.42 1.22 ANNUAL RUNOFF (INCHES) 14.56 19.35 16.51 10 PERCENT EXCEEDS 5110 7310 6260 50 PERCENT EXCEEDS 2040 2790 2140 90 PERCENT EXCEEDS 1370 1460 1370 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1897 TO SEPTEMBER 1898 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 1460 2530 3370 3370 3820 2730 10700 2940 2530 2140 3590 3590 2 1460 2730 2940 3150 3590 2730 6630 2940 2530 2140 3370 10100 3 1460 2940 3150 2940 3370 2730 5020 2730 2140 1950 3370 10100 4 1460 3820 3370 2940 3150 3370 4290 2730 2140 1770 4530 10100 5 1460 3150 3370 2940 3150 3820 5020 2730 2140 1770 3370 10100 6 1460 2940 3590 2940 3150 3370 8700 2730 1950 1770 15000 10100 7 1460 2730 3370 2940 3150 2940 6070 2530 1950 4770 6350 10100 8 1460 2730 3150 2940 3150 2940 4770 3150 1950 3820 5020 10100 9 1460 2730 3150 2940 3150 2940 4290 2940 1950 2940 4770 10100 10 1460 2730 2940 2940 3150 2940 3820 2730 1950 3590 4290 10100 11 1630 2730 2940 2940 3150 2730 3820 2730 1950 3590 5020 10100 12 2180 2530 2940 2940 3150 2730 3590 2730 1950 2940 6350 10100 13 11300 2530 2940 2940 3150 2730 3370 3590 1770 2530 3590 10100 14 6070 2530 2940 3150 3150 2730 3370 2940 1770 2730 6350 10100 15 3820 2530 2940 3150 2940 3150 3590 2730 1950 2940 6350 10100 16 2940 2530 3150 3150 2940 3150 3370 2730 1950 9650 4770 10100 17 2730 2530 3590 2940 2940 3150 3150 2530 7210 6070 4770 10100 18 2530 2530 3370 2940 2940 3150 3150 2530 2940 6070 4290 10100 19 2530 2530 3150 2940 2940 6070 2940 2530 4530 3820 4770 10100 20 2530 2530 2940 2940 2940 4290 2940 2530 5270 3370 17800 10100 21 2730 2530 3150 2940 3150 3590 2940 2330 4050 2940 23200 10100 22 4530 2530 3590 4290 2940 3370 2940 2330 5270 2940 12800 10100 23 3370 2530 3820 4530 2940 2940 2730 2140 2530 2730 5020 10100 24 2940 2530 3820 3820 2940 2940 3370 2330 2330 4770 4290 10100 25 2730 2530 3590 4050 2940 3150 4050 4530 2140 5800 3820 10100 26 2730 2530 3370 6920 2730 3370 4050 4290 2140 5020 4290 8700 27 2730 4770 4050 9300 2730 3150 3590 3590 2530 4770 4530 6920 28 2530 5530 4290 6350 2730 2940 3370 2940 2140 5270 3820 6070 29 2530 4290 4050 5020 --- 2940 3150 2940 2530 4050 3820 5800 30 2530 4050 3590 4290 --- 6630 2940 2730 2330 6070 9300 5270 31 2530 --- 3370 4050 --- 19100 --- 2530 --- 5800 8100 --- TOTAL 84740 88350 103990 115630 86170 118510 125730 88400 80510 120530 200710 278750 MEAN 2734 2945 3355 3730 3078 3823 4191 2852 2684 3888 6475 9292 MAX 11300 5530 4290 9300 3820 19100 10700 4530 7210 9650 23200 10100 MIN 1460 2530 2940 2940 2730 2730 2730 2140 1770 1770 3370 3590 CFSM 0.90 0.97 1.10 1.22 1.01 1.25 1.37 0.93 0.88 1.27 2.12 3.05 IN. 1.03 1.08 1.27 1.41 1.05 1.45 1.53 1.08 0.98 1.47 2.45 3.40 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1898, BY WATER YEAR (WY) MEAN 1841 2420 2890 3006 6474 5090 4980 3074 2742 5786 3634 4254 MAX 2734 2945 3355 3730 10770 9262 8067 4064 3450 10340 6475 9292 (WY) 1898 1898 1898 1898 1897 1897 1897 1897 1897 1896 1898 1898 MIN 1205 1663 2180 2238 3078 2185 2683 2307 2093 3134 1708 1646 (WY) 1896 1896 1896 1897 1898 1896 1896 1896 1896 1897 1896 1897 SUMMARY STATISTICS FOR 1897 CALENDAR YEAR FOR 1898 WATER YEAR WATER YEARS 1896 - 1898 ANNUAL TOTAL 1637590 1492020 ANNUAL MEAN 4487 4088 3833 HIGHEST ANNUAL MEAN 4346 1897 LOWEST ANNUAL MEAN 3067 1896 HIGHEST DAILY MEAN 68500 Feb 7 23200 Aug 21 71500 Jul 10 1896 LOWEST DAILY MEAN 1460 Sep 11 1460 Oct 1 1200 Oct 1 1895 ANNUAL SEVEN-DAY MINIMUM 1460 Sep 11 1460 Oct 1 1200 Oct 1 1895 ANNUAL RUNOFF (CFSM) 1.47 1.34 1.26 ANNUAL RUNOFF (INCHES) 19.97 18.20 17.08 10 PERCENT EXCEEDS 7010 8340 6620 50 PERCENT EXCEEDS 3010 3150 2730 90 PERCENT EXCEEDS 1630 2270 1370 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1898 TO SEPTEMBER 1899 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 5020 5530 5530 4290 4770 19600 10800 7100 5370 4690 4160 3410 2 4530 5270 5270 5800 5020 11200 9800 7100 5370 4420 3900 7660 3 4770 5020 5020 5270 4530 8900 8900 6800 5930 4420 3650 4690 4 7500 5020 5270 4530 4530 8900 8300 6800 5930 3900 3650 3650 5 36200 5020 8700 4530 25100 13800 11900 6510 5370 3900 3650 3410 6 38000 5020 12400 4290 41100 11200 11600 6510 5370 3900 3410 3180 7 35000 6350 8100 27100 47000 11900 10200 6510 5370 3900 3180 3180 8 12100 5270 6630 25600 39700 9800 19600 8600 5370 4160 2950 4690 9 8700 5270 6070 13200 19600 8300 22800 10200 5090 4420 3180 2950 10 7210 5020 5800 7210 11600 8000 13800 8000 5090 4420 3650 3900 11 6920 5020 5270 5800 9200 7400 10800 7400 6220 3900 4160 4690 12 6070 5270 5270 5800 8000 7400 9800 7100 6220 3900 4690 3410 13 5800 5020 5270 5530 7100 7100 9200 6800 5930 3650 4160 2730 14 5800 5270 5020 6630 6220 6510 8900 11900 7340 3650 3410 2730 15 5270 5530 5020 8100 6510 26000 8600 8900 6400 3650 3180 2730 16 5020 5270 4770 7210 8000 64200 8300 7400 5800 3650 3180 2510 17 4770 5270 4770 6350 17800 50700 8300 6800 5240 3650 3180 2510 18 4770 5530 4770 5800 21400 17400 8000 6510 4690 3650 3180 2300 19 5270 6350 4530 5530 13800 15800 8000 6510 4690 3650 3180 1900 20 12800 6630 4530 5270 10500 85400 7700 6510 4690 3650 2950 2510 21 7500 6350 5800 5020 8900 65600 7400 6220 4690 4420 2950 2950 22 15000 6070 5800 4770 8600 17400 7100 5930 4690 3650 2510 2730 23 27600 5800 8700 4770 8000 12200 7100 5930 4690 3650 2510 2300 24 12100 6070 10700 4290 8000 12200 7100 6220 4690 3410 2510 2300 25 8400 6350 8400 4770 7400 10800 7100 6220 4690 3410 2510 2100 26 7500 5800 6920 4770 7100 9800 9200 5930 4690 3650 2510 2100 27 7210 5530 6070 4770 18200 13000 10200 5930 4420 5240 2300 2100 28 6630 5270 5800 4530 40800 16600 8600 5930 4960 5800 2510 2100 29 6070 5020 5530 4530 --- 19600 7700 5930 4960 3900 3900 2300 30 5530 5530 5270 4530 --- 15800 7400 5650 4690 3900 3650 2300 31 6070 --- 5270 4290 --- 12200 --- 5650 --- 4420 3180 --- TOTAL 331130 165740 192270 214880 418480 604710 294200 215500 158650 124580 101690 92020 MEAN 10680 5525 6202 6932 14950 19510 9807 6952 5288 4019 3280 3067 MAX 38000 6630 12400 27100 47000 85400 22800 11900 7340 5800 4690 7660 MIN 4530 5020 4530 4290 4530 6510 7100 5650 4420 3410 2300 1900 CFSM 3.50 1.81 2.03 2.27 4.90 6.40 3.22 2.28 1.73 1.32 1.08 1.01 IN. 4.04 2.02 2.35 2.62 5.10 7.38 3.59 2.63 1.94 1.52 1.24 1.12 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1899, BY WATER YEAR (WY) MEAN 4051 3196 3718 3988 8573 8694 6187 4044 3379 5345 3546 3957 MAX 10680 5525 6202 6932 14950 19510 9807 6952 5288 10340 6475 9292 (WY) 1899 1899 1899 1899 1899 1899 1899 1899 1899 1896 1898 1898 MIN 1205 1663 2180 2238 3078 2185 2683 2307 2093 3134 1708 1646 (WY) 1896 1896 1896 1897 1898 1896 1896 1896 1896 1897 1896 1897 SUMMARY STATISTICS FOR 1898 CALENDAR YEAR FOR 1899 WATER YEAR WATER YEARS 1896 - 1899 ANNUAL TOTAL 1904080 2913850 ANNUAL MEAN 5217 7983 4870 HIGHEST ANNUAL MEAN 7983 1899 LOWEST ANNUAL MEAN 3067 1896 HIGHEST DAILY MEAN 38000 Oct 6 85400 Mar 20 85400 Mar 20 1899 LOWEST DAILY MEAN 1770 Jun 13 1900 Sep 19 1200 Oct 1 1895 ANNUAL SEVEN-DAY MINIMUM 1900 Jun 8 2190 Sep 23 1200 Oct 1 1895 ANNUAL RUNOFF (CFSM) 1.71 2.62 1.60 ANNUAL RUNOFF (INCHES) 23.22 35.54 21.69 10 PERCENT EXCEEDS 10100 12600 8900 50 PERCENT EXCEEDS 4050 5650 3150 90 PERCENT EXCEEDS 2530 3180 1460 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1899 TO SEPTEMBER 1900 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 1900 2510 2100 2300 2950 10400 4690 3600 3410 5240 3180 2300 2 1710 2300 2100 2300 2730 48200 4420 3600 3410 4960 2950 2300 3 1900 2100 1900 4420 2730 24900 4160 3600 3180 4690 2730 2300 4 1900 2950 1900 4420 2950 10000 3900 3600 3900 4690 2510 2300 5 1710 2300 1900 3410 3180 7340 4690 3600 3900 3900 2510 2100 6 1710 2100 1900 3180 3650 6100 4690 3600 3650 3650 2300 2100 7 2300 1900 1900 2730 3650 5520 4160 3600 3410 3650 2300 2100 8 3650 1900 1900 2730 2730 5240 4160 3600 3410 3410 2300 2100 9 2950 1900 1900 2730 2730 7660 4160 3600 3650 3180 2300 1900 10 2300 1900 2100 2730 4160 8650 3900 3600 3650 3180 2300 1900 11 2300 1900 1900 2510 7660 7340 3900 3600 3650 3180 2100 1710 12 2100 1900 4690 5800 7660 6400 3180 3650 3410 2950 2100 1710 13 2100 1900 6100 10800 17200 5800 4420 3410 3180 2950 2100 1710 14 2100 1900 7020 6700 50800 5520 4160 3410 3180 2950 2100 1710 15 2100 1900 4160 4690 22900 4960 3900 3410 4160 2950 2100 1900 16 2100 1900 3180 3900 9350 15000 3900 3410 4160 2950 2100 1900 17 2100 1900 2950 3650 6400 19000 3900 3180 7980 2950 2730 5800 18 2100 1710 2730 3180 5240 10000 3650 3410 19500 2950 2730 4420 19 2100 1710 3180 2730 4960 7020 36200 10400 17200 2950 2510 2950 20 2100 1710 2950 4960 4160 6100 11000 4160 9700 2730 2510 2300 21 2100 1710 2950 6100 4160 7660 11000 3650 6100 2510 2100 2300 22 2100 1710 2950 5800 11400 7340 11000 3180 4960 2510 1900 2100 23 2100 2100 2730 4420 13400 6100 11000 3180 15000 2950 3410 2100 24 1900 2100 4420 3900 8300 3410 11000 3180 18200 4160 2950 1530 25 1900 2100 4420 3650 6400 4960 11000 6400 11800 4160 2300 1530 26 1900 2510 4420 3650 6100 5520 11000 7020 11400 3180 2730 1360 27 1900 2300 3650 3410 5240 7340 11000 4690 8300 3410 2510 1360 28 1900 2100 2950 3180 4690 6700 11000 4160 6700 3900 2300 1360 29 1900 2100 2950 2950 --- 5800 11000 3900 5800 3410 2300 1360 30 1900 2100 2950 2950 --- 5520 11000 3650 5520 4960 2730 1360 31 2300 --- 2730 2950 --- 5240 --- 3410 --- 3180 2300 --- TOTAL 65130 61120 95580 122830 227480 286740 231140 124460 205470 108390 75990 63870 MEAN 2101 2037 3083 3962 8124 9250 7705 4015 6849 3496 2451 2129 MAX 3650 2950 7020 10800 50800 48200 36200 10400 19500 5240 3410 5800 MIN 1710 1710 1900 2300 2730 3410 3180 3180 3180 2510 1900 1360 CFSM 0.69 0.67 1.01 1.30 2.66 3.03 2.53 1.32 2.25 1.15 0.80 0.70 IN. 0.79 0.75 1.17 1.50 2.77 3.50 2.82 1.52 2.51 1.32 0.93 0.78 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1900, BY WATER YEAR (WY) MEAN 3661 2965 3591 3982 8484 8805 6491 4038 4073 4975 3327 3592 MAX 10680 5525 6202 6932 14950 19510 9807 6952 6849 10340 6475 9292 (WY) 1899 1899 1899 1899 1899 1899 1899 1899 1900 1896 1898 1898 MIN 1205 1663 2180 2238 3078 2185 2683 2307 2093 3134 1708 1646 (WY) 1896 1896 1896 1897 1898 1896 1896 1896 1896 1897 1896 1897 SUMMARY STATISTICS FOR 1899 CALENDAR YEAR FOR 1900 WATER YEAR WATER YEARS 1896 - 1900 ANNUAL TOTAL 2446540 1668200 ANNUAL MEAN 6703 4570 4810 HIGHEST ANNUAL MEAN 7983 1899 LOWEST ANNUAL MEAN 3067 1896 HIGHEST DAILY MEAN 85400 Mar 20 50800 Feb 14 85400 Mar 20 1899 LOWEST DAILY MEAN 1710 Oct 2 1360 Sep 26 1200 Oct 1 1895 ANNUAL SEVEN-DAY MINIMUM 1760 Nov 16 1410 Sep 24 1200 Oct 1 1895 ANNUAL RUNOFF (CFSM) 2.20 1.50 1.58 ANNUAL RUNOFF (INCHES) 29.84 20.35 21.43 10 PERCENT EXCEEDS 11700 8300 8900 50 PERCENT EXCEEDS 4530 3180 3150 90 PERCENT EXCEEDS 1900 1900 1550 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1900 TO SEPTEMBER 1901 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 1530 4550 5370 6800 4820 4550 5520 4960 7800 12400 4530 15000 2 1530 4290 4820 7100 4820 4550 18600 4960 7210 9300 4290 13500 3 1530 4290 4820 6800 4820 4550 47600 4690 6630 7800 4290 9650 4 1530 8900 8300 5930 10200 4550 55000 4420 6350 7210 4050 8400 5 1530 7700 11600 5930 7100 4550 20000 4420 6350 5530 3820 7800 6 1530 6220 11200 5370 6800 4550 8650 4160 6350 5020 29600 6920 7 2100 5090 7400 5090 5930 4550 7980 4160 9000 4530 51500 6630 8 2100 4820 5930 5090 5370 4290 5520 3900 7800 7800 55000 6350 9 2300 4820 5370 5090 5370 4290 5240 4420 6350 21800 9300 6350 10 1900 4550 5370 4820 5930 4290 4420 4960 5020 12800 6350 6070 11 1900 4290 5370 5370 5650 4820 4160 4420 5020 7800 5530 6070 12 1900 4030 5370 7700 5650 5650 3900 4420 5020 5800 5270 5800 13 1900 4030 4820 30500 5650 7100 3900 4160 5020 4770 5800 5800 14 1710 4030 4550 11200 5650 5930 6700 3900 5020 4530 22700 5800 15 1710 4030 4550 8900 5370 5370 8300 3900 19600 7210 64800 5800 16 1710 4030 4550 6800 5370 5090 6700 3650 31700 7800 66200 5800 17 1710 4030 4550 6220 5370 4820 4960 3650 20900 7500 48900 10400 18 1710 4030 4290 6220 5370 4820 4420 3650 16600 5800 33400 11000 19 1530 4030 4290 5930 5370 4820 4160 3180 11800 7800 21800 16200 20 1530 4030 4290 5650 5090 4820 39200 4690 11000 6920 16600 10400 21 1530 4030 11600 5370 5090 4820 107000 5240 11000 5530 11400 6350 22 1530 4030 10200 5370 4820 4550 50200 72200 12800 4530 13800 6070 23 1530 4030 11600 5370 4820 4550 11800 127000 11800 4290 20900 5530 24 24400 4030 7400 5090 4550 4550 9000 73000 18600 4290 35600 5270 25 44400 4030 7100 5090 4550 4550 7660 13800 10400 4050 21400 5270 26 8900 4290 6800 5090 4550 11200 6700 11400 8700 3820 14600 5270 27 6220 19200 6220 4820 4550 61400 6100 25100 7210 3820 28100 5270 28 5370 10500 5650 4820 4550 39200 5520 28100 8100 4530 15800 5270 29 5090 6510 5370 4820 --- 10000 5240 15800 6630 4050 15400 8400 30 4820 5650 5370 4820 --- 8300 4960 11000 7800 3820 33400 14200 31 4820 --- 6510 4820 --- 7020 --- 8700 --- 3820 15000 --- TOTAL 143500 162090 200630 207990 153180 258100 479110 476010 303580 206670 689130 236640 MEAN 4629 5403 6472 6709 5471 8326 15970 15360 10120 6667 22230 7888 MAX 44400 19200 11600 30500 10200 61400 107000 127000 31700 21800 66200 16200 MIN 1530 4030 4290 4820 4550 4290 3900 3180 5020 3820 3820 5270 CFSM 1.52 1.77 2.12 2.20 1.79 2.73 5.24 5.03 3.32 2.19 7.29 2.59 IN. 1.75 1.98 2.45 2.54 1.87 3.15 5.84 5.81 3.70 2.52 8.41 2.89 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1901, BY WATER YEAR (WY) MEAN 3822 3371 4071 4437 7985 8725 8070 5924 5081 5257 6477 4308 MAX 10680 5525 6472 6932 14950 19510 15970 15360 10120 10340 22230 9292 (WY) 1899 1899 1901 1899 1899 1899 1901 1901 1901 1896 1901 1898 MIN 1205 1663 2180 2238 3078 2185 2683 2307 2093 3134 1708 1646 (WY) 1896 1896 1896 1897 1898 1896 1896 1896 1896 1897 1896 1897 SUMMARY STATISTICS FOR 1900 CALENDAR YEAR FOR 1901 WATER YEAR WATER YEARS 1896 - 1901 ANNUAL TOTAL 1952590 3516630 ANNUAL MEAN 5350 9635 5614 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 3067 1896 HIGHEST DAILY MEAN 50800 Feb 14 127000 May 23 127000 May 23 1901 LOWEST DAILY MEAN 1360 Sep 26 1530 Oct 1 1200 Oct 1 1895 ANNUAL SEVEN-DAY MINIMUM 1410 Sep 24 1580 Oct 17 1200 Oct 1 1895 MAXIMUM PEAK FLOW 151000 May 23 1901 MAXIMUM PEAK STAGE 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 1.75 3.16 1.84 ANNUAL RUNOFF (INCHES) 23.82 42.89 25.01 10 PERCENT EXCEEDS 10400 18600 10100 50 PERCENT EXCEEDS 3900 5370 3650 90 PERCENT EXCEEDS 2020 3900 1550 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1901 TO SEPTEMBER 1902 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 9650 4290 3820 23200 9300 72200 9650 4530 3820 4290 4050 2940 2 9000 4290 3820 11800 30600 48200 9000 4530 3820 4050 4050 2940 3 8700 4290 3820 8400 17400 17800 7800 4530 3820 3820 4050 2940 4 7800 4290 4530 7500 11000 15000 6630 4530 3820 3820 3590 5530 5 5800 4290 5020 6920 7500 9300 6350 4530 3590 3590 3590 5800 6 5270 4290 4530 6070 6920 9300 6350 4530 3590 3820 3370 4770 7 5270 4290 4290 6070 6350 9300 6070 4290 4050 3590 3370 3150 8 5270 4290 3820 5800 6350 7500 6350 4290 3590 3590 3150 2940 9 5020 4290 4050 5800 5800 7800 6920 4290 4290 3590 3150 6920 10 4770 4290 4050 5800 5530 7500 6630 4290 4050 4770 3150 14600 11 4770 4290 4290 5530 5270 6920 6070 4290 3820 5270 3150 7800 12 4770 4290 5020 5530 5270 6350 5530 4290 3590 5020 3820 4770 13 4770 4290 4530 5530 5270 7210 5270 4290 3590 5020 4050 3590 14 5020 4290 4770 5270 5270 6630 5270 4290 3590 4770 16600 3370 15 6630 4290 13500 5270 5530 6350 5020 4530 3820 4530 7800 2940 16 6350 4290 65500 5270 5530 6350 5020 4770 19100 4290 4770 2940 17 6070 4050 12800 5020 5530 7500 4770 4530 81000 4050 3370 2940 18 4770 4050 7800 5020 5530 13800 5530 4770 22700 3820 3370 2940 19 4530 4050 6350 5020 5530 9000 5270 4770 9650 3590 3150 2940 20 4530 4050 5800 5020 5530 7500 5270 5270 5270 3590 3150 2940 21 4530 4050 5270 5020 5530 6630 5270 5020 5020 3590 3150 2940 22 4290 4050 5270 6920 6920 6630 5270 5020 4770 3590 3150 2940 23 4290 4050 5270 6070 11800 6350 5270 5020 4770 4050 3150 2940 24 4290 4770 5270 6070 12400 6070 5270 4770 4770 3590 3150 2940 25 4290 4770 5530 5020 14200 5800 5020 4530 4770 3590 3150 2940 26 4290 4530 5530 5020 15800 5800 5020 5530 4530 4050 2940 2940 27 4290 4530 8400 5020 17800 5800 5020 5020 4290 3590 2940 2940 28 4290 4050 6920 5270 23600 5530 4770 5020 4290 3590 2940 2940 29 4290 4050 31200 5800 --- 8700 4770 4770 4290 3590 2940 2940 30 4290 4050 98600 6070 --- 35600 4530 4050 4290 3820 2940 3150 31 4290 --- 93000 6350 --- 17400 --- 3820 --- 4050 2940 --- TOTAL 166190 127740 442370 202470 269060 391820 174980 142710 240360 123980 122140 119310 MEAN 5361 4258 14270 6531 9609 12640 5833 4604 8012 3999 3940 3977 MAX 9650 4770 98600 23200 30600 72200 9650 5530 81000 5270 16600 14600 MIN 4290 4050 3820 5020 5270 5530 4530 3820 3590 3590 2940 2940 CFSM 1.76 1.40 4.68 2.14 3.15 4.14 1.91 1.51 2.63 1.31 1.29 1.30 IN. 2.03 1.56 5.40 2.47 3.28 4.78 2.13 1.74 2.93 1.51 1.49 1.46 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1902, BY WATER YEAR (WY) MEAN 4042 3498 5528 4736 8216 9284 7751 5735 5499 5077 6115 4261 MAX 10680 5525 14270 6932 14950 19510 15970 15360 10120 10340 22230 9292 (WY) 1899 1899 1902 1899 1899 1899 1901 1901 1901 1896 1901 1898 MIN 1205 1663 2180 2238 3078 2185 2683 2307 2093 3134 1708 1646 (WY) 1896 1896 1896 1897 1898 1896 1896 1896 1896 1897 1896 1897 SUMMARY STATISTICS FOR 1901 CALENDAR YEAR FOR 1902 WATER YEAR WATER YEARS 1896 - 1902 ANNUAL TOTAL 3746710 2523130 ANNUAL MEAN 10260 6913 5799 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 3067 1896 HIGHEST DAILY MEAN 127000 May 23 98600 Dec 30 127000 May 23 1901 LOWEST DAILY MEAN 3180 May 19 2940 Aug 26 1200 Oct 1 1895 ANNUAL SEVEN-DAY MINIMUM 3730 May 13 2940 Aug 26 1200 Oct 1 1895 MAXIMUM PEAK FLOW 151000 May 23 1901 MAXIMUM PEAK STAGE 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 3.37 2.27 1.90 ANNUAL RUNOFF (INCHES) 45.70 30.77 25.83 10 PERCENT EXCEEDS 19000 9120 10100 50 PERCENT EXCEEDS 5370 4770 3940 90 PERCENT EXCEEDS 4160 3150 1740 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1941 TO SEPTEMBER 1942 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 --- --- --- --- --- --- 5220 1050 4190 2440 1900 2110 2 --- --- --- --- --- --- 5220 1980 6660 5940 1000 2280 3 --- --- --- --- --- --- 5220 938 6070 4890 2400 3060 4 --- --- --- --- --- --- 5220 970 4520 2510 3000 2890 5 --- --- --- --- --- --- 5220 1020 4080 3120 3550 1350 6 --- --- --- --- --- --- 5230 1000 2160 4600 2930 5910 7 --- --- --- --- --- --- 5830 986 890 5590 3140 4340 8 --- --- --- --- --- --- 5430 1000 1700 4820 1880 17100 9 --- --- --- --- --- --- 5590 2070 2370 3600 1240 10300 10 --- --- --- --- --- --- 4490 1020 1380 5210 1350 9250 11 --- --- --- --- --- --- 1730 1340 2940 3980 1580 8550 12 --- --- --- --- --- --- 1150 1270 11800 1650 1280 5590 13 --- --- --- --- --- --- 2190 2330 5450 3170 1310 1070 14 --- --- --- --- --- --- 2130 2920 1010 3010 1300 7290 15 --- --- --- --- --- --- 2360 2780 4610 3350 1350 8010 16 --- --- --- --- --- --- 2320 4820 6820 3670 1240 7220 17 --- --- --- --- --- --- 2450 2580 7870 3420 1350 3610 18 --- --- --- --- --- --- 1680 4540 6220 1150 3230 4770 19 --- --- --- --- --- --- 970 7740 7430 954 6990 4050 20 --- --- --- --- --- --- 2140 6860 5590 1310 4070 1020 21 --- --- --- --- --- --- 3200 7810 1340 1390 4960 3600 22 --- --- --- --- --- --- 3170 12400 4800 2400 6070 4230 23 --- --- --- --- --- --- 2360 14300 3620 1200 1400 4000 24 --- --- --- --- --- --- 3370 6750 3170 1300 4310 4240 25 --- --- --- --- --- --- 1690 9570 3440 2000 5430 3370 26 --- --- --- --- --- --- 1000 9150 3160 1100 5430 1470 27 --- --- --- --- --- --- 1870 10800 1350 3200 5590 986 28 --- --- --- --- --- --- 1800 9010 1070 5000 3110 2240 29 --- --- --- --- --- --- 1550 7620 2640 6000 2990 3500 30 --- --- --- --- --- --- 1050 5340 1980 4600 1220 4240 31 --- --- --- --- --- --- --- 1110 --- 2800 1730 --- TOTAL --- --- --- --- --- --- 92850 143074 120330 99374 88330 141646 MEAN --- --- --- --- --- --- 3095 4615 4011 3206 2849 4722 MAX --- --- --- --- --- --- 5830 14300 11800 6000 6990 17100 MIN --- --- --- --- --- --- 970 938 890 954 1000 986 CFSM --- --- --- --- --- --- 1.01 1.51 1.32 1.05 0.93 1.55 IN. --- --- --- --- --- --- 1.13 1.75 1.47 1.21 1.08 1.73 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1942, BY WATER YEAR (WY) MEAN 4042 3498 5528 4736 8216 9284 7169 5595 5313 4843 5707 4318 MAX 10680 5525 14270 6932 14950 19510 15970 15360 10120 10340 22230 9292 (WY) 1899 1899 1902 1899 1899 1899 1901 1901 1901 1896 1901 1898 MIN 1205 1663 2180 2238 3078 2185 2683 2307 2093 3134 1708 1646 (WY) 1896 1896 1896 1897 1898 1896 1896 1896 1896 1897 1896 1897 SUMMARY STATISTICS WATER YEARS 1896 - 1942 ANNUAL MEAN 5799 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 3067 1896 HIGHEST DAILY MEAN 127000 May 23 1901 LOWEST DAILY MEAN 890 Jun 7 1942 ANNUAL SEVEN-DAY MINIMUM 1130 May 2 1942 MAXIMUM PEAK FLOW 151000 May 23 1901 MAXIMUM PEAK STAGE 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 1.90 ANNUAL RUNOFF (INCHES) 25.83 10 PERCENT EXCEEDS 9800 50 PERCENT EXCEEDS 3900 90 PERCENT EXCEEDS 1630 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1942 TO SEPTEMBER 1943 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 4400 1180 2140 12400 9650 5360 5940 6280 6070 7180 1110 2330 2 3280 2320 1730 6390 8420 6570 6300 2250 5270 5560 4850 2260 3 1930 2060 2190 2970 9720 5550 4550 4670 3730 7550 3950 1940 4 1000 2210 2170 10200 9500 4840 1350 5590 3650 1330 3450 1360 5 1880 2260 1400 7220 8390 4520 5530 4340 1760 3040 3470 1030 6 2690 2180 1210 8310 8850 3970 4650 4290 906 4150 3620 1270 7 3020 1210 2200 8500 1900 1100 3950 4270 2170 6090 1560 2570 8 3540 1000 2640 6560 9860 3560 5620 2260 1980 7590 1100 2080 9 3380 2120 2550 4460 10000 3580 4760 1150 2390 9500 2620 1880 10 1400 2600 3820 1270 9440 4230 3700 3290 2660 37600 2640 1760 11 986 1990 4860 6070 8280 5040 1560 3570 3370 14100 2630 1270 12 3270 2050 4730 8610 9510 4320 3000 3840 1680 12500 2750 1000 13 3640 2050 1510 7570 7290 2540 2640 4270 1150 12000 2540 2550 14 2530 1320 3380 6720 1160 1010 2280 4180 3180 12600 1870 2040 15 3930 1050 4330 6040 8070 3770 2480 4240 3620 11500 932 2050 16 3340 2210 4390 6210 9880 4460 2860 1140 4090 10700 3790 2260 17 1340 2280 3630 1380 6890 4600 2280 3520 3810 6840 4150 2220 18 1050 2370 3810 6040 6440 4430 1060 4110 3670 1340 3750 1680 19 3010 2270 1780 11100 7040 5270 5380 4910 2340 8690 3280 1030 20 4030 2190 1030 11500 3390 4290 7700 4240 1360 7600 2110 2130 21 3040 1880 3800 8520 1510 1440 6190 4210 3420 5930 1330 1920 22 3400 1190 4170 8480 3960 7300 7230 2410 3890 5570 1020 1640 23 3740 2320 3740 5170 5390 8980 6590 1080 4270 4280 1660 1880 24 3010 2330 1390 1090 5450 9590 4820 3740 4000 2670 3030 2060 25 1110 2450 1100 5910 4900 7920 971 4300 3800 1200 3170 1670 26 1860 1620 1100 7580 6540 9000 5950 4360 2000 5260 2600 994 27 2000 2590 1050 8760 4330 3910 7460 4750 1230 5000 2970 1960 28 1970 1920 2930 13300 1120 1000 7920 4390 3530 5070 1570 2250 29 1840 1080 3630 25800 --- 5340 8510 2930 3440 5420 986 2180 30 2120 2090 7250 15700 --- 7350 7620 1070 4100 5060 2010 2100 31 1430 --- 8570 6630 --- 6130 --- 4460 --- 3030 2210 --- TOTAL 79166 58390 94230 246460 186880 150970 140851 114110 92536 235950 78728 55364 MEAN 2554 1946 3040 7950 6674 4870 4695 3681 3085 7611 2540 1845 MAX 4400 2600 8570 25800 10000 9590 8510 6280 6070 37600 4850 2570 MIN 986 1000 1030 1090 1120 1000 971 1070 906 1200 932 994 CFSM 0.84 0.64 1.00 2.61 2.19 1.60 1.54 1.21 1.01 2.50 0.83 0.61 IN. 0.97 0.71 1.15 3.01 2.28 1.84 1.72 1.39 1.13 2.88 0.96 0.68 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1943, BY WATER YEAR (WY) MEAN 3856 3304 5217 5138 8024 8733 6894 5383 5066 5151 5355 4043 MAX 10680 5525 14270 7950 14950 19510 15970 15360 10120 10340 22230 9292 (WY) 1899 1899 1902 1943 1899 1899 1901 1901 1901 1896 1901 1898 MIN 1205 1663 2180 2238 3078 2185 2683 2307 2093 3134 1708 1646 (WY) 1896 1896 1896 1897 1898 1896 1896 1896 1896 1897 1896 1897 SUMMARY STATISTICS FOR 1943 WATER YEAR WATER YEARS 1896 - 1943 ANNUAL TOTAL 1533635 ANNUAL MEAN 4202 5600 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 3067 1896 HIGHEST DAILY MEAN 37600 Jul 10 127000 May 23 1901 LOWEST DAILY MEAN 906 Jun 6 890 Jun 7 1942 ANNUAL SEVEN-DAY MINIMUM 1690 Sep 6 1130 May 2 1942 MAXIMUM PEAK FLOW 151000 May 23 1901 MAXIMUM PEAK STAGE 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 1.38 1.84 ANNUAL RUNOFF (INCHES) 18.71 24.94 10 PERCENT EXCEEDS 8400 9300 50 PERCENT EXCEEDS 3470 3820 90 PERCENT EXCEEDS 1200 1550 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1943 TO SEPTEMBER 1944 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 1670 1820 1880 1340 4270 9060 14100 8810 4160 1360 2030 1980 2 1230 1720 2350 1050 5320 5640 3790 7740 3730 1190 2360 1260 3 922 2040 1770 2850 5730 5650 10600 7290 1660 1160 2460 1180 4 1800 2220 1540 2690 3720 2660 10700 6920 1180 1180 2390 1360 5 2330 1710 1030 3200 3010 1350 10500 5960 2540 1590 1650 1990 6 2380 1100 2000 3960 1290 4530 7670 3830 2870 1570 1410 2100 7 2190 1020 1920 3690 2540 6810 5490 1260 2860 1480 2020 2070 8 2320 1300 1950 5250 4430 6130 4180 6370 3540 1180 2140 2490 9 1370 1490 2240 2160 4850 5830 1430 6380 3130 1110 2130 1470 10 1000 1360 2120 4570 2400 6430 4870 6350 1630 2220 2230 1290 11 2030 1950 1450 4550 2250 4930 5800 7370 1230 2120 3080 2220 12 2090 2040 1000 4080 1520 1450 11900 6470 3350 2740 1780 2320 13 2270 1260 2000 4280 1080 5670 10300 4000 2720 3380 1350 1850 14 2560 1050 2400 5420 2890 3970 9930 1240 3660 2240 2110 1740 15 2430 1560 2200 1730 2480 4190 4810 4450 2530 1650 2440 2050 16 1580 1970 2430 1100 2130 6910 2040 4100 2340 1160 3090 1450 17 1020 2810 2820 4300 3530 4450 11000 4690 1880 3830 3300 1310 18 1660 2560 1590 6260 4710 2180 9660 4250 1070 4060 2570 1620 19 1110 2450 1080 6110 10200 1620 9120 4020 2060 4700 2570 1470 20 1500 1870 2040 6410 2050 11200 8320 1680 2260 4740 1270 1480 21 1730 1020 2280 5870 9410 15200 7140 1160 2020 4210 2470 1980 22 1250 1610 1980 3180 10200 11700 3640 3420 1650 3150 3250 1400 23 1080 1920 1560 1130 10200 13300 1410 3900 1640 1320 3450 1400 24 1140 2100 970 5480 11200 12900 10400 4170 1720 3980 2650 1210 25 1640 1520 1020 6470 11400 9120 9740 4500 1130 5160 2260 1240 26 1770 1810 1110 5670 9740 1490 8230 2820 1200 3610 2080 1480 27 2380 2030 1040 5620 1470 7610 8030 1640 2130 3410 1310 1790 28 2280 1090 1050 4420 9010 10600 7900 1230 2130 3330 2460 1970 29 1860 2060 1160 2420 12100 16100 2760 3660 2040 2870 1950 1630 30 1810 2060 1350 1150 --- 20500 1560 4420 1960 1370 2220 9900 31 1030 --- 1430 2660 --- 18300 --- 3670 --- 1850 1920 --- TOTAL 53432 52520 52760 119070 155130 237480 217020 137770 68020 78920 70400 58700 MEAN 1724 1751 1702 3841 5349 7661 7234 4444 2267 2546 2271 1957 MAX 2560 2810 2820 6470 12100 20500 14100 8810 4160 5160 3450 9900 MIN 922 1020 970 1050 1080 1350 1410 1160 1070 1110 1270 1180 CFSM 0.57 0.57 0.56 1.26 1.75 2.51 2.37 1.46 0.74 0.83 0.74 0.64 IN. 0.65 0.64 0.64 1.45 1.89 2.90 2.65 1.68 0.83 0.96 0.86 0.72 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1944, BY WATER YEAR (WY) MEAN 3619 3131 4827 4994 7719 8614 6928 5289 4786 4890 5046 3835 MAX 10680 5525 14270 7950 14950 19510 15970 15360 10120 10340 22230 9292 (WY) 1899 1899 1902 1943 1899 1899 1901 1901 1901 1896 1901 1898 MIN 1205 1663 1702 2238 3078 2185 2683 2307 2093 2546 1708 1646 (WY) 1896 1896 1944 1897 1898 1896 1896 1896 1896 1944 1896 1897 SUMMARY STATISTICS FOR 1943 CALENDAR YEAR FOR 1944 WATER YEAR WATER YEARS 1896 - 1944 ANNUAL TOTAL 1460561 1301222 ANNUAL MEAN 4002 3555 5372 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 3067 1896 HIGHEST DAILY MEAN 37600 Jul 10 20500 Mar 30 127000 May 23 1901 LOWEST DAILY MEAN 906 Jun 6 922 Oct 3 890 Jun 7 1942 ANNUAL SEVEN-DAY MINIMUM 1100 Dec 24 1100 Dec 24 1100 Dec 24 1943 MAXIMUM PEAK FLOW 151000 May 23 1901 MAXIMUM PEAK STAGE 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 1.31 1.17 1.76 ANNUAL RUNOFF (INCHES) 17.81 15.87 23.93 10 PERCENT EXCEEDS 8340 8090 9250 50 PERCENT EXCEEDS 2810 2260 3650 90 PERCENT EXCEEDS 1110 1190 1530 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1944 TO SEPTEMBER 1945 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 24000 5590 3230 2320 2370 6110 1240 5960 3560 1080 3060 1510 2 9470 4940 2380 3480 3240 6840 4050 4450 1820 1070 4220 815 3 11100 4360 1330 3920 2340 5140 4650 5710 1320 1070 5920 1540 4 8590 2750 4160 4310 1130 2790 5060 5500 3100 1050 3360 2010 5 6190 1280 4200 4790 2350 9320 5130 3040 3560 1050 1370 1880 6 5430 5650 4430 3690 3880 9220 5170 1210 3080 1070 3740 1630 7 4560 5740 3340 1300 3330 9740 2750 3850 2950 1070 4380 1310 8 1250 6130 4110 4250 2710 9630 1260 2690 3240 975 4980 1110 9 3220 4560 2280 4460 2590 8210 3060 5200 2140 1760 4880 1030 10 5700 4690 1260 6650 2310 5840 3390 6300 1020 1540 4770 1820 11 5630 2630 3490 4780 1300 3530 3490 4920 2860 1650 2160 1940 12 5230 1230 4280 3720 1970 8760 3710 2300 3870 1630 922 1720 13 4500 3260 5630 3630 2520 8980 3940 1210 3170 1410 3340 1800 14 2910 4000 6050 1310 1580 6800 1820 4680 3030 1240 2980 4280 15 1170 3970 4060 5840 2650 7150 1230 5150 2500 1220 986 2300 16 3810 3710 3240 5680 4270 6170 2110 5070 1640 1430 1050 4890 17 2970 3160 1380 5500 3620 5180 3380 4620 1050 1470 1800 41500 18 3880 2250 4070 5150 2590 1390 3610 4280 2550 1370 1540 67200 19 4240 1280 4580 4670 7830 5770 2670 2220 2980 1640 922 62700 20 5270 2180 4090 2360 10700 6550 2730 1430 2640 1740 4170 27000 21 3350 2020 3320 1350 8690 5780 1820 4650 2700 1320 5800 14100 22 1330 2300 2330 4010 6620 3980 1210 5000 2500 986 6200 8560 23 7180 2250 1420 3480 6650 3280 2370 5380 1550 1460 5500 2730 24 8800 2440 1360 5260 4310 2100 3410 4920 1080 1780 5100 8840 25 8650 1740 1280 4380 3610 1650 4210 4640 2160 2100 2120 7560 26 7600 1300 1330 6110 9190 4880 4560 2220 2620 2260 1000 6140 27 7820 2250 2510 2200 9700 3500 4450 1300 2640 2760 5420 5880 28 4060 3660 2530 1410 6770 3870 3320 5220 2440 1820 4720 5480 29 1420 3720 2480 2360 --- 4460 1190 5100 1560 1050 4130 2560 30 4820 3540 1940 2560 --- 4210 5590 3720 1140 3400 2780 1210 31 5200 --- 1300 4330 --- 1860 --- 3660 --- 2820 2670 --- TOTAL 179350 98580 93390 119260 120820 172690 96580 125600 72470 48291 105990 293045 MEAN 5785 3286 3013 3847 4315 5571 3219 4052 2416 1558 3419 9768 MAX 24000 6130 6050 6650 10700 9740 5590 6300 3870 3400 6200 67200 MIN 1170 1230 1260 1300 1130 1390 1190 1210 1020 975 922 815 CFSM 1.90 1.08 0.99 1.26 1.41 1.83 1.06 1.33 0.79 0.51 1.12 3.20 IN. 2.19 1.20 1.14 1.45 1.47 2.11 1.18 1.53 0.88 0.59 1.29 3.57 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1945, BY WATER YEAR (WY) MEAN 3836 3147 4645 4879 7381 8309 6591 5176 4570 4587 4898 4374 MAX 10680 5525 14270 7950 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1899 1902 1943 1899 1899 1901 1901 1901 1896 1901 1945 MIN 1205 1663 1702 2238 3078 2185 2683 2307 2093 1558 1708 1646 (WY) 1896 1896 1944 1897 1898 1896 1896 1896 1896 1945 1896 1897 SUMMARY STATISTICS FOR 1944 CALENDAR YEAR FOR 1945 WATER YEAR WATER YEARS 1896 - 1945 ANNUAL TOTAL 1513830 1526066 ANNUAL MEAN 4136 4181 5253 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 3067 1896 HIGHEST DAILY MEAN 24000 Oct 1 67200 Sep 18 127000 May 23 1901 LOWEST DAILY MEAN 1050 Jan 2 815 Sep 2 815 Sep 2 1945 ANNUAL SEVEN-DAY MINIMUM 1320 Jul 3 1050 Jul 2 1050 Jul 2 1945 MAXIMUM PEAK FLOW 151000 May 23 1901 MAXIMUM PEAK STAGE 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 1.36 1.37 1.72 ANNUAL RUNOFF (INCHES) 18.46 18.61 23.40 10 PERCENT EXCEEDS 8870 6580 8900 50 PERCENT EXCEEDS 3240 3340 3650 90 PERCENT EXCEEDS 1310 1260 1460 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1945 TO SEPTEMBER 1946 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 3890 2930 2060 13800 7850 9260 6830 5970 1360 1500 3450 938 2 4420 1920 1120 8780 5520 3620 6980 5920 1030 1230 4130 2130 3 4940 2710 2150 10800 2560 1890 5970 6320 3760 1100 1540 4000 4 4520 2340 2310 9840 9000 7200 5670 2580 3840 1480 986 3160 5 4220 3610 5370 7550 9620 7510 5350 3160 4420 1340 3430 3560 6 2310 5510 4330 2830 8190 5800 1510 8840 4220 1720 3460 3740 7 1430 5070 6000 15300 7160 7720 1160 6720 3840 1080 3420 1150 8 4400 4210 4080 29600 6160 5900 3780 7660 1380 2890 3270 1190 9 4450 4380 1850 28700 2600 2160 3430 9360 1130 3800 3300 2950 10 4660 1810 7600 19300 2810 1180 3770 6480 3840 4500 1520 3140 11 4800 1350 9440 16100 28000 4180 3850 3230 3800 3770 1160 3060 12 4580 3660 9100 11900 11900 5080 5760 1340 3380 4240 3960 2760 13 1720 4250 7970 6070 11900 6620 1620 5490 3620 1930 3940 2840 14 1050 4250 8040 8760 11900 5240 958 6660 3740 1050 3600 1060 15 4290 3970 3400 11000 11500 4500 4140 6500 1420 3600 3660 986 16 4960 3260 1310 10100 4550 2560 4280 6570 1030 4020 2780 2370 17 4370 1470 6440 11600 1410 2980 5720 5660 3180 4000 1300 3160 18 4100 1190 7130 10800 8140 7050 4720 3380 3180 4060 1100 2920 19 4780 3190 5380 7600 11500 7800 3980 1500 3420 3760 2550 2760 20 1750 3570 4680 1140 10800 8300 1780 6000 3090 1310 2970 2740 21 1130 3410 2840 9590 9040 8790 1190 6770 3390 1060 3740 1070 22 3260 2040 2080 10800 7940 8610 2120 6420 1420 3180 3620 1050 23 2260 3160 1430 9060 4600 5370 3390 6720 1230 4230 2830 2360 24 2820 1940 1790 8300 1640 2940 3280 6080 3760 4090 1500 2510 25 5220 1110 1730 7830 8780 8290 4180 2760 3640 4280 1030 3440 26 5040 2880 8340 4500 10800 9830 4680 1150 3470 4120 2620 3480 27 2340 3660 10500 1440 10100 7130 1550 4820 3340 1420 3450 3020 28 1380 3310 8680 8120 9820 7910 1130 5690 3100 1570 3300 1160 29 3980 3700 19300 9960 --- 6110 3620 5040 1370 3900 3430 1030 30 4320 3260 12700 10100 --- 5170 6460 5040 1020 3990 3360 2970 31 4280 --- 8060 8200 --- 2130 --- 3300 --- 4460 1220 --- TOTAL 111670 93120 177210 329470 235790 178830 112858 163130 84420 88680 85626 72704 MEAN 3602 3104 5716 10630 8421 5769 3762 5262 2814 2861 2762 2423 MAX 5220 5510 19300 29600 28000 9830 6980 9360 4420 4500 4130 4000 MIN 1050 1110 1120 1140 1410 1180 958 1150 1020 1050 986 938 CFSM 1.18 1.02 1.87 3.48 2.76 1.89 1.23 1.73 0.92 0.94 0.91 0.79 IN. 1.36 1.14 2.16 4.02 2.88 2.18 1.38 1.99 1.03 1.08 1.04 0.89 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1946, BY WATER YEAR (WY) MEAN 3815 3143 4743 5402 7475 8078 6355 5184 4424 4443 4720 4212 MAX 10680 5525 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1899 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 1205 1663 1702 2238 3078 2185 2683 2307 2093 1558 1708 1646 (WY) 1896 1896 1944 1897 1898 1896 1896 1896 1896 1945 1896 1897 SUMMARY STATISTICS FOR 1945 CALENDAR YEAR FOR 1946 WATER YEAR WATER YEARS 1896 - 1946 ANNUAL TOTAL 1536746 1733508 ANNUAL MEAN 4210 4749 5207 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 3067 1896 HIGHEST DAILY MEAN 67200 Sep 18 29600 Jan 8 127000 May 23 1901 LOWEST DAILY MEAN 815 Sep 2 938 Sep 1 815 Sep 2 1945 ANNUAL SEVEN-DAY MINIMUM 1050 Jul 2 1290 Jun 29 1050 Jul 2 1945 MAXIMUM PEAK FLOW 151000 May 23 1901 MAXIMUM PEAK STAGE 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 1.38 1.56 1.71 ANNUAL RUNOFF (INCHES) 18.74 21.14 23.20 10 PERCENT EXCEEDS 6700 9080 8970 50 PERCENT EXCEEDS 3380 3770 3650 90 PERCENT EXCEEDS 1240 1270 1450 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1946 TO SEPTEMBER 1947 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 3220 3750 922 3090 1410 1600 3900 4030 1020 1200 3910 2090 2 3220 1410 2520 3090 1050 1080 4060 3580 2680 1100 1590 3040 3 2900 970 3460 3110 4260 3580 3610 2410 3030 1020 1030 3420 4 2870 2360 2970 1260 4070 3560 3300 1160 3480 1060 5000 3720 5 1300 2840 3690 1050 4240 3080 1410 3670 4010 1050 5790 3680 6 933 3670 5300 2840 4160 3580 1160 3910 3240 986 5100 2200 7 2900 4630 1900 3290 4790 3340 2670 3550 1340 3710 4710 1430 8 3600 3370 1070 3450 1320 1840 4020 3370 1110 4280 3040 3460 9 2600 1420 2880 3730 1180 1180 3220 3520 4530 3600 1300 3940 10 2340 922 3450 3720 3980 4460 3400 1380 5150 3830 1100 3920 11 2740 3170 2900 1210 4460 5190 3650 1100 4090 2600 2430 3510 12 2040 2920 3730 1150 5260 4730 1580 3020 3180 1220 2340 3730 13 1180 4450 3550 3540 4560 4050 1130 3100 2320 1300 3260 1560 14 4690 4610 1390 5020 4090 4090 3890 2680 6810 3550 2910 1200 15 6070 4420 1220 4600 1670 1570 3600 4160 3850 3470 2690 4100 16 5480 1820 4760 5400 1150 1130 3060 2870 17300 2690 1380 3890 17 5260 1280 3940 6300 3450 5180 3280 1240 12500 2210 1130 3840 18 3870 2910 4070 4180 3440 6850 3860 1230 7400 1800 3060 4000 19 1250 3400 4440 12300 4130 6760 1450 2660 4400 1240 3230 3570 20 850 2960 3920 31200 3870 6190 1130 2990 3820 1000 2710 1830 21 3420 2830 1950 20900 2850 5400 3600 3480 1500 3030 2910 1080 22 3550 3510 1050 15900 1430 2100 4270 2360 1020 2760 3310 3590 23 3630 1560 1100 9190 1130 1180 5410 1840 3260 2800 1990 3810 24 3320 1070 1070 7980 4190 4240 5230 1130 3680 3860 1040 2950 25 2970 2610 1100 3930 3650 5710 4120 1240 4000 4460 2400 2850 26 1350 3260 1080 2030 3800 4520 1980 1860 4250 1630 2840 2450 27 1000 2030 1080 6010 3650 4830 1150 2650 3250 1070 2220 1220 28 3120 1080 1050 6850 3950 3610 2910 3750 1830 3400 2940 1150 29 3190 2440 1180 6440 --- 1680 3840 3230 1100 3940 2620 2980 30 3590 1160 3480 6320 --- 1210 4330 2660 1400 3740 1490 3630 31 3600 --- 4050 4680 --- 3670 --- 1690 --- 3860 1220 --- TOTAL 92053 78832 80272 193760 91190 111190 94220 81520 120550 77466 82690 87840 MEAN 2969 2628 2589 6250 3257 3587 3141 2630 4018 2499 2667 2928 MAX 6070 4630 5300 31200 5260 6850 5410 4160 17300 4460 5790 4100 MIN 850 922 922 1050 1050 1080 1130 1100 1020 986 1030 1080 CFSM 0.97 0.86 0.85 2.05 1.07 1.18 1.03 0.86 1.32 0.82 0.87 0.96 IN. 1.12 0.96 0.98 2.36 1.11 1.36 1.15 0.99 1.47 0.94 1.01 1.07 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1947, BY WATER YEAR (WY) MEAN 3744 3100 4563 5472 7125 7704 6108 4987 4393 4294 4563 4113 MAX 10680 5525 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1899 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 1205 1663 1702 2238 3078 2185 2683 2307 2093 1558 1708 1646 (WY) 1896 1896 1944 1897 1898 1896 1896 1896 1896 1945 1896 1897 SUMMARY STATISTICS FOR 1946 CALENDAR YEAR FOR 1947 WATER YEAR WATER YEARS 1896 - 1947 ANNUAL TOTAL 1602665 1191583 ANNUAL MEAN 4391 3265 5045 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 3067 1896 HIGHEST DAILY MEAN 29600 Jan 8 31200 Jan 20 127000 May 23 1901 LOWEST DAILY MEAN 850 Oct 20 850 Oct 20 815 Sep 2 1945 ANNUAL SEVEN-DAY MINIMUM 1080 Dec 22 1080 Dec 22 1050 Jul 2 1945 MAXIMUM PEAK FLOW 151000 May 23 1901 MAXIMUM PEAK STAGE 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 1.44 1.07 1.65 ANNUAL RUNOFF (INCHES) 19.55 14.53 22.48 10 PERCENT EXCEEDS 8780 4810 8700 50 PERCENT EXCEEDS 3460 3190 3600 90 PERCENT EXCEEDS 1150 1130 1370 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1947 TO SEPTEMBER 1948 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 3730 2760 4930 4870 2070 4720 27100 2810 3950 2410 1470 4200 2 3520 4250 4810 5240 5590 5420 15100 1550 3730 2270 1940 4230 3 3270 25700 5610 3060 5900 5940 12300 5700 4010 1170 8650 4050 4 1620 20900 5630 1230 6230 5710 5910 6500 3660 906 17600 1280 5 1140 15400 4800 6280 5830 6000 8680 6460 1860 954 24600 1010 6 3030 13700 2180 6520 8390 1530 7710 6420 1170 922 15000 1340 7 4270 9100 1240 6060 9480 13000 6390 5800 4300 1110 8730 3040 8 3840 7190 4340 5290 5190 8270 7240 2230 5500 1190 1080 3680 9 5480 1720 5150 5040 10000 8710 6840 1090 3880 1040 3690 2890 10 11000 7990 5610 2520 6720 7910 4880 5880 3870 1130 4860 2950 11 11600 12800 4790 1440 8810 7320 6030 5220 4480 1000 5080 3180 12 4010 9500 3910 5380 18800 7500 6620 3490 2010 2520 4090 4130 13 3940 6740 2550 5090 29200 2070 6350 3040 1160 2620 4460 4020 14 3620 7100 1240 3280 24500 2280 6410 3820 3690 2770 1360 3920 15 4600 11200 4900 4990 11800 7380 6130 2140 4490 3340 954 3750 16 4090 10300 3700 4890 13400 6360 5570 1140 4240 2420 4060 3400 17 5650 8510 3980 3510 11800 9110 2920 5220 3700 1750 3460 2670 18 1620 7730 4880 1040 7580 6490 3280 5800 3870 1030 2940 1090 19 1030 7560 4470 4650 8420 6400 5430 5090 1350 2940 3600 1250 20 4190 7280 1830 7040 6990 4340 5400 3950 1050 3810 3220 3380 21 3630 7880 1400 6560 3720 2190 5480 4070 3900 3860 1220 3790 22 5150 3870 5430 6250 3030 6660 7210 1420 5290 3620 954 3620 23 6030 1650 5110 6120 9940 7360 6140 1030 4490 3460 3940 3610 24 7250 7790 1300 2660 8320 7460 3290 3490 5000 2170 4860 2970 25 6100 8170 1280 1590 6510 5890 1020 4300 2430 959 3820 1310 26 3540 6680 1110 5700 6120 6240 4880 3050 1220 4630 3270 1250 27 5350 4230 1110 7320 5440 8500 5780 2800 968 4520 2810 3710 28 7950 7100 1130 4310 1360 11100 6010 2790 3830 4350 1410 4390 29 11300 2570 4120 4330 1110 11200 6510 1310 4100 4330 1050 3520 30 7030 1360 4910 5680 --- 9950 5740 1440 2680 1880 5220 3430 31 6790 --- 4570 7030 --- 16400 --- 2760 --- 1230 4780 --- TOTAL 155370 248730 112020 144970 252250 219410 208350 111810 99878 72311 154178 91060 MEAN 5012 8291 3614 4676 8698 7078 6945 3607 3329 2333 4973 3035 MAX 11600 25700 5630 7320 29200 16400 27100 6500 5500 4630 24600 4390 MIN 1030 1360 1110 1040 1110 1530 1020 1030 968 906 954 1010 CFSM 1.64 2.72 1.18 1.53 2.85 2.32 2.28 1.18 1.09 0.76 1.63 1.00 IN. 1.90 3.03 1.37 1.77 3.08 2.68 2.54 1.36 1.22 0.88 1.88 1.11 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1948, BY WATER YEAR (WY) MEAN 3842 3499 4490 5411 7249 7656 6168 4888 4317 4154 4592 4036 MAX 10680 8291 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1948 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 1205 1663 1702 2238 3078 2185 2683 2307 2093 1558 1708 1646 (WY) 1896 1896 1944 1897 1898 1896 1896 1896 1896 1945 1896 1897 SUMMARY STATISTICS FOR 1947 CALENDAR YEAR FOR 1948 WATER YEAR WATER YEARS 1896 - 1948 ANNUAL TOTAL 1456546 1870337 ANNUAL MEAN 3991 5110 5050 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 3067 1896 HIGHEST DAILY MEAN 31200 Jan 20 29200 Feb 13 127000 May 23 1901 LOWEST DAILY MEAN 986 Jul 6 906 Jul 4 815 Sep 2 1945 ANNUAL SEVEN-DAY MINIMUM 1120 Jun 30 1040 Jul 4 1040 Jul 4 1948 MAXIMUM PEAK FLOW 151000 May 23 1901 MAXIMUM PEAK STAGE 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 1.31 1.68 1.66 ANNUAL RUNOFF (INCHES) 17.77 22.81 22.50 10 PERCENT EXCEEDS 6850 8690 8700 50 PERCENT EXCEEDS 3580 4300 3650 90 PERCENT EXCEEDS 1170 1240 1370 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1948 TO SEPTEMBER 1949 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 4490 3700 18400 7780 4270 7610 5700 6010 4610 5520 3880 16000 2 1350 3680 10200 6340 5170 6580 4370 9340 2850 1880 5400 12500 3 1100 5530 11000 9240 4720 4170 2750 14400 1660 1370 4840 11400 4 4210 3590 10200 9400 4650 3610 7710 9660 1180 1350 6020 3980 5 5840 1220 12000 11800 1690 1880 9660 7340 1110 2050 6740 7520 6 3390 1130 8950 15600 1310 1380 8900 4410 4350 2120 5750 9690 7 4280 1030 10200 13600 5530 5480 7190 5830 5370 2230 3630 10200 8 4330 2540 9280 6580 5570 6580 6420 4540 4220 1940 6300 5500 9 1160 3690 9550 1390 5380 5820 4680 6170 3680 2350 6100 5070 10 1110 2210 5840 8450 4660 5450 2730 9090 3190 1440 5210 4820 11 3500 1620 2530 10100 3700 4620 5910 10600 1290 3530 4140 2860 12 3940 2400 1240 9860 2950 1630 8520 9850 1180 4760 3980 6720 13 3660 1140 5620 7560 1370 1160 9080 8240 4680 4410 1200 7250 14 3520 1100 7410 5730 5010 5140 9790 4320 5350 6050 1080 6100 15 3780 2850 6860 2920 4840 7020 10600 2720 4120 7530 5010 6120 16 1460 3970 7430 2770 6430 6070 4530 8920 2510 15900 6050 5810 17 1050 3400 6720 9100 6210 4220 3940 10200 5730 10500 5630 3520 18 4350 2770 3530 8290 6480 3620 8100 9280 7400 11800 4910 1300 19 4310 3060 2000 6580 5810 1430 8900 8330 4540 14000 4280 6040 20 4020 1170 5230 5830 3500 1130 8930 6070 3760 10700 2740 6400 21 4720 1070 6570 5620 11300 5930 7450 2540 4580 9570 6760 6160 22 4180 3600 6540 2550 10100 5130 7050 1370 4320 11100 7460 4890 23 1310 5960 2890 1590 9470 4190 5010 4430 4270 4300 9270 5480 24 1020 7300 3070 5500 9920 4600 1870 5190 4320 3380 9290 1660 25 4140 4830 1830 5690 6910 4650 5540 4970 3960 7810 6740 1080 26 4320 4210 1630 4790 4050 4970 6570 4340 3510 7970 5960 3920 27 4140 10300 2590 4160 1760 3020 5960 2170 5070 6300 4010 6750 28 3700 25000 4410 3550 8740 8570 3910 1710 5800 4470 15300 5650 29 3220 40200 5750 1380 --- 8240 3930 1160 5150 3460 21300 5560 30 1260 32100 12000 1280 --- 7640 3320 4210 4010 1400 31700 5470 31 1190 --- 13300 4700 --- 7500 --- 5360 --- 1020 22400 --- TOTAL 98050 186370 214770 199730 151500 149040 189020 192770 117770 172210 233080 185420 MEAN 3163 6212 6928 6443 5411 4808 6301 6218 3926 5555 7519 6181 MAX 5840 40200 18400 15600 11300 8570 10600 14400 7400 15900 31700 16000 MIN 1020 1030 1240 1280 1310 1130 1870 1160 1110 1020 1080 1080 CFSM 1.04 2.04 2.27 2.11 1.77 1.58 2.07 2.04 1.29 1.82 2.47 2.03 IN. 1.20 2.27 2.62 2.44 1.85 1.82 2.31 2.35 1.44 2.10 2.84 2.26 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1949, BY WATER YEAR (WY) MEAN 3793 3693 4664 5485 7119 7452 6176 4977 4291 4247 4787 4179 MAX 10680 8291 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1948 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 1205 1663 1702 2238 3078 2185 2683 2307 2093 1558 1708 1646 (WY) 1896 1896 1944 1897 1898 1896 1896 1896 1896 1945 1896 1897 SUMMARY STATISTICS FOR 1948 CALENDAR YEAR FOR 1949 WATER YEAR WATER YEARS 1896 - 1949 ANNUAL TOTAL 1853407 2089730 ANNUAL MEAN 5064 5725 5099 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 3067 1896 HIGHEST DAILY MEAN 40200 Nov 29 40200 Nov 29 127000 May 23 1901 LOWEST DAILY MEAN 906 Jul 4 1020 Oct 24 815 Sep 2 1945 ANNUAL SEVEN-DAY MINIMUM 1040 Jul 4 1850 Jul 2 1040 Jul 4 1948 MAXIMUM PEAK FLOW 151000 May 23 1901 MAXIMUM PEAK STAGE 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 1.66 1.88 1.67 ANNUAL RUNOFF (INCHES) 22.61 25.49 22.71 10 PERCENT EXCEEDS 8850 9990 8900 50 PERCENT EXCEEDS 4060 4840 3710 90 PERCENT EXCEEDS 1170 1380 1370 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1949 TO SEPTEMBER 1950 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 2100 18800 5190 1400 6150 6300 4610 4820 3530 1700 4190 4010 2 1050 21200 5250 3540 6430 6770 2480 4960 3330 1080 3820 1360 3 6220 14400 2230 5080 5500 5880 5560 4030 1330 1110 4490 1130 4 6120 14400 1130 5510 2200 3350 6960 4080 1190 1070 3580 2720 5 6460 12000 5950 6150 1200 1350 9080 3800 3350 1070 1560 4170 6 5850 2350 6150 4800 5030 3710 7360 1280 3470 1080 1070 4160 7 6770 8560 6430 1760 5420 3940 7160 1310 3600 1020 4260 3910 8 7670 12100 5630 1130 4760 3390 2780 4000 3380 1130 4520 3760 9 5320 12500 5000 5840 5890 3750 1480 4470 3700 938 4570 1290 10 8460 10400 1520 5940 5710 3620 3430 4260 1350 2530 3820 1190 11 6430 8330 1710 5620 2590 1480 5750 4360 1110 3410 4650 2390 12 5700 6880 4890 6980 1710 1160 7030 3680 3970 3260 1610 2090 13 6670 3350 4190 4450 5360 3980 4820 1380 4140 3320 1330 1460 14 5900 9880 4550 1440 6130 4460 4530 1670 4510 2530 4420 1320 15 1480 8720 4190 1150 5540 4700 1590 2860 3900 1050 4590 1230 16 1100 6330 4000 5610 5660 4130 1630 5120 3830 1070 4120 1090 17 6160 6140 1530 5380 5660 3910 5430 5520 1430 2810 3800 1140 18 5950 5800 1280 4400 2160 1700 6110 4340 1030 3260 4420 2060 19 5600 1770 4210 3630 1400 1850 5750 3650 4930 3020 1610 2040 20 4770 1280 4720 3790 6300 4350 5150 1200 4900 3130 1110 2270 21 5050 5020 4820 1630 6450 4070 4930 1230 4600 3390 3720 3110 22 1440 5420 4150 1180 7190 4790 1260 4610 4750 1430 3750 2580 23 1290 5760 1530 4180 6640 6640 1480 4660 3980 1260 3430 2370 24 5700 2810 1200 5200 6950 4180 5950 4640 1350 3900 3560 1160 25 5750 3900 1150 4890 2270 1330 5510 4620 1470 4230 3660 2910 26 5500 1470 1300 5250 1880 1070 5250 3940 5440 4160 1300 3740 27 4690 1220 3750 5080 6000 5060 5310 1250 5430 4570 1050 3670 28 6250 5690 4200 1680 6330 6280 4470 1370 4360 3110 3640 2920 29 1400 5770 4250 1110 --- 5410 1280 4620 6040 1860 3260 3070 30 1310 5810 4020 4790 --- 5450 1290 3890 4050 1130 3060 1680 31 9500 --- 1510 5120 --- 5020 --- 3780 --- 3520 4300 --- TOTAL 153660 228060 111630 123710 134510 123080 135420 109400 103450 72148 102270 72000 MEAN 4957 7602 3601 3991 4804 3970 4514 3529 3448 2327 3299 2400 MAX 9500 21200 6430 6980 7190 6770 9080 5520 6040 4570 4650 4170 MIN 1050 1220 1130 1110 1200 1070 1260 1200 1030 938 1050 1090 CFSM 1.63 2.49 1.18 1.31 1.58 1.30 1.48 1.16 1.13 0.76 1.08 0.79 IN. 1.87 2.78 1.36 1.51 1.64 1.50 1.65 1.33 1.26 0.88 1.25 0.88 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1950, BY WATER YEAR (WY) MEAN 3871 3954 4593 5385 6966 7220 6073 4887 4238 4127 4694 4068 MAX 10680 8291 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1948 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 1205 1663 1702 2238 3078 2185 2683 2307 2093 1558 1708 1646 (WY) 1896 1896 1944 1897 1898 1896 1896 1896 1896 1945 1896 1897 SUMMARY STATISTICS FOR 1949 CALENDAR YEAR FOR 1950 WATER YEAR WATER YEARS 1896 - 1950 ANNUAL TOTAL 2083890 1469338 ANNUAL MEAN 5709 4026 5027 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 3067 1896 HIGHEST DAILY MEAN 31700 Aug 30 21200 Nov 2 127000 May 23 1901 LOWEST DAILY MEAN 1020 Jul 31 938 Jul 9 815 Sep 2 1945 ANNUAL SEVEN-DAY MINIMUM 1850 Jul 2 1060 Jul 3 1040 Jul 4 1948 MAXIMUM PEAK FLOW 151000 May 23 1901 MAXIMUM PEAK STAGE 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 1.87 1.32 1.65 ANNUAL RUNOFF (INCHES) 25.42 17.92 22.39 10 PERCENT EXCEEDS 9810 6310 8700 50 PERCENT EXCEEDS 5320 4000 3740 90 PERCENT EXCEEDS 1440 1230 1370 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1950 TO SEPTEMBER 1951 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 1130 4300 4640 3610 5400 5310 1280 5780 4740 1000 1020 1100 2 3430 4050 2350 5900 5440 5710 3640 5080 1240 1020 970 1020 3 4350 3950 1130 5810 3360 2250 3430 4770 1160 1020 890 1050 4 3630 1800 4710 5440 1260 1350 1920 4180 4820 954 906 4420 5 3760 1100 5040 5310 5990 4990 2340 2000 5190 1030 875 3460 6 2910 4490 5870 2060 6550 5380 5360 1230 4300 1080 845 2180 7 1590 3380 4630 1250 5710 3440 2640 5750 3930 1020 1080 1000 8 1180 4790 3120 5590 5070 3480 7980 5920 2620 1070 2580 1050 9 3680 3380 1640 5640 4410 3510 5160 6100 1130 2940 2510 1030 10 3530 3470 1150 6020 2030 1870 6410 5850 1000 3240 1270 2530 11 3950 1670 3880 6280 1250 1180 7340 5500 2990 2240 986 2070 12 4070 1450 4310 5930 4830 3870 6020 1490 2650 2010 1030 2330 13 4190 4200 5350 3030 6190 2990 6140 1110 2170 1080 1390 1930 14 2190 4460 5280 1350 5030 3220 1880 5070 1550 1070 1450 1300 15 1170 4510 4520 5420 5520 3600 1180 5380 1390 1130 2220 1080 16 3500 4270 1500 6270 7150 4140 4510 5650 1100 1050 1450 1180 17 4430 4050 1300 6040 2170 1270 4980 4930 1180 1100 1650 1490 18 4660 2300 5770 5350 1100 1110 5020 4690 1370 1170 922 1660 19 4140 1630 7320 4980 5100 3940 4130 1270 1400 1040 1000 1890 20 2860 5180 7170 1710 5320 4830 4090 1080 1830 970 2550 1670 21 2150 5050 5650 1330 5670 4570 1490 5070 1590 1100 3780 1250 22 1170 5310 2690 5500 5080 5490 1160 5100 1500 1000 3020 1100 23 3340 1780 1550 6210 4750 4490 5840 5500 1390 985 2080 1180 24 4060 4160 1180 5270 1190 1700 4570 4590 1160 1030 1280 1730 25 3890 2910 1110 5300 1100 1310 5580 3330 6460 1170 890 1390 26 4470 1480 1160 4870 5260 3180 4660 1160 5570 1020 995 1400 27 3750 5540 4060 2050 5350 4340 4340 1100 4640 1030 3060 1530 28 1610 6050 5400 1190 5670 4150 1700 4600 4920 1030 3280 970 29 1180 6140 4790 5290 --- 4230 1210 5120 3740 1030 3270 1000 30 3590 5870 2180 6200 --- 3760 4580 5010 1060 1030 2860 1120 31 3870 --- 1250 6820 --- 1320 --- 5700 --- 986 1440 --- TOTAL 97430 112720 111700 143020 122950 105980 120580 129110 79790 38645 53549 48110 MEAN 3143 3757 3603 4614 4391 3419 4019 4165 2660 1247 1727 1604 MAX 4660 6140 7320 6820 7150 5710 7980 6100 6460 3240 3780 4420 MIN 1130 1100 1110 1190 1100 1110 1160 1080 1000 954 845 970 CFSM 1.03 1.23 1.18 1.51 1.44 1.12 1.32 1.37 0.87 0.41 0.57 0.53 IN. 1.19 1.37 1.36 1.74 1.50 1.29 1.47 1.57 0.97 0.47 0.65 0.59 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1951, BY WATER YEAR (WY) MEAN 3825 3941 4531 5337 6806 6983 5952 4844 4145 3958 4520 3923 MAX 10680 8291 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1948 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 1205 1663 1702 2238 3078 2185 2683 2307 2093 1247 1708 1604 (WY) 1896 1896 1944 1897 1898 1896 1896 1896 1896 1951 1896 1951 SUMMARY STATISTICS FOR 1950 CALENDAR YEAR FOR 1951 WATER YEAR WATER YEARS 1896 - 1951 ANNUAL TOTAL 1297838 1163584 ANNUAL MEAN 3556 3188 4912 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 3067 1896 HIGHEST DAILY MEAN 9080 Apr 5 7980 Apr 8 127000 May 23 1901 LOWEST DAILY MEAN 938 Jul 9 845 Aug 6 815 Sep 2 1945 ANNUAL SEVEN-DAY MINIMUM 1060 Jul 3 927 Jul 31 927 Jul 31 1951 MAXIMUM PEAK FLOW 151000 May 23 1901 MAXIMUM PEAK STAGE 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 1.17 1.05 1.61 ANNUAL RUNOFF (INCHES) 15.83 14.19 21.88 10 PERCENT EXCEEDS 5750 5680 8420 50 PERCENT EXCEEDS 3760 3120 3710 90 PERCENT EXCEEDS 1180 1050 1350 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1951 TO SEPTEMBER 1952 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 1300 1090 1130 1040 3310 1180 10200 7430 1150 1080 3580 9020 2 1090 1080 1160 3720 1110 1070 8630 6330 4970 1040 1010 3150 3 1030 1080 2560 4110 7740 7670 5580 1540 4500 1000 1070 5490 4 1200 1290 2480 4150 16000 46600 4570 1190 5000 1000 1870 5050 5 1380 3380 1720 1180 18000 30200 4680 5910 5130 907 2190 5090 6 1100 2430 1940 1150 11300 11000 2100 6100 4120 1020 1890 1180 7 1160 2060 2000 3780 7300 9800 4380 6140 1240 2580 1910 1150 8 2050 1930 1020 3020 5020 6770 5440 4280 1100 3760 1760 5740 9 1520 1310 1070 2740 2110 1600 4650 3420 4640 4260 1030 5640 10 1480 1020 2210 4960 2620 7870 4120 1230 4470 3760 922 6020 11 1400 1030 2210 7260 4860 20800 4380 1030 4600 3800 4030 6060 12 1050 2650 2050 5170 6300 31200 1630 3710 2840 1230 3410 5690 13 1120 2230 1560 2360 5470 19300 1300 3940 1950 1110 3310 1270 14 1080 2470 1860 4220 5180 14300 4470 4220 1210 3700 3730 1350 15 2560 1750 1210 4580 6060 10200 8710 4260 1100 3400 3620 5200 16 3020 1710 1180 3950 2600 7400 7610 3740 4540 3900 1070 6570 17 2180 1150 2480 2660 2330 9060 4320 1260 4280 5300 860 4920 18 2250 986 2220 1760 5480 10200 5010 1160 4940 4090 4290 5000 19 1240 2320 2960 1020 7040 11400 1430 3960 4350 1330 4260 4040 20 1130 2590 2460 1210 7540 8280 1150 4660 4270 1000 3800 1100 21 1130 3390 9580 4620 3170 8900 5260 4510 1220 4390 3830 1160 22 1980 1100 19700 5150 3640 5320 5830 3610 1290 4790 3500 3060 23 1930 1140 6860 4230 1100 7060 4510 3530 4210 5650 1110 4380 24 2000 986 3900 3530 1150 34200 5030 1340 4460 3870 926 4420 25 2030 1150 4050 2180 4490 33900 6190 1750 4700 3480 3640 4370 26 1340 1870 1620 1050 5410 16000 6970 3490 4580 1260 3510 3990 27 1020 2440 2060 1110 2580 13600 2590 3650 3730 1050 3240 1420 28 970 3110 2310 4530 2550 8900 8270 4020 1140 5100 1880 1120 29 1970 2380 4110 6600 1840 6400 8900 4220 1030 5000 5150 3370 30 1860 1870 1170 5230 --- 6340 8520 2730 1000 4060 2250 5150 31 2420 --- 2720 4740 --- 9760 --- 1270 --- 3340 7890 --- TOTAL 48990 54992 95560 107010 153300 416280 156430 109630 97760 91257 86538 121170 MEAN 1580 1833 3083 3452 5286 13430 5214 3536 3259 2944 2792 4039 MAX 3020 3390 19700 7260 18000 46600 10200 7430 5130 5650 7890 9020 MIN 970 986 1020 1020 1100 1070 1150 1030 1000 907 860 1100 CFSM 0.52 0.60 1.01 1.13 1.73 4.40 1.71 1.16 1.07 0.97 0.92 1.32 IN. 0.60 0.67 1.17 1.31 1.87 5.08 1.91 1.34 1.19 1.11 1.06 1.48 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1952, BY WATER YEAR (WY) MEAN 3693 3817 4446 5226 6714 7362 5911 4772 4096 3901 4424 3929 MAX 10680 8291 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1948 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 1205 1663 1702 2238 3078 2185 2683 2307 2093 1247 1708 1604 (WY) 1896 1896 1944 1897 1898 1896 1896 1896 1896 1951 1896 1951 SUMMARY STATISTICS FOR 1951 CALENDAR YEAR FOR 1952 WATER YEAR WATER YEARS 1896 - 1952 ANNUAL TOTAL 1041276 1538917 ANNUAL MEAN 2853 4205 4870 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 3067 1896 HIGHEST DAILY MEAN 19700 Dec 22 46600 Mar 4 127000 May 23 1901 LOWEST DAILY MEAN 845 Aug 6 860 Aug 17 815 Sep 2 1945 ANNUAL SEVEN-DAY MINIMUM 927 Jul 31 1010 Jun 30 927 Jul 31 1951 MAXIMUM PEAK FLOW 151000 May 23 1901 MAXIMUM PEAK STAGE 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 0.935 1.38 1.60 ANNUAL RUNOFF (INCHES) 12.70 18.77 21.70 10 PERCENT EXCEEDS 5610 7630 8400 50 PERCENT EXCEEDS 2060 3380 3700 90 PERCENT EXCEEDS 1030 1090 1300 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1952 TO SEPTEMBER 1953 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 4720 1070 1720 1080 1230 1340 6250 1700 3270 1030 988 4110 2 4690 1230 2180 1050 4330 5330 6370 2170 2410 1090 970 2920 3 5150 1900 1820 1100 5880 8340 5140 986 2060 1000 4260 2840 4 1410 2140 2790 1050 5100 6250 1180 2670 2080 938 2230 1900 5 1070 1960 2000 1380 5990 6220 1100 3640 1640 1000 2220 954 6 4820 2400 1200 1840 4340 5880 5090 6490 1170 1520 1830 1020 7 5170 1810 1200 2260 1430 2760 6610 4410 1000 1840 1650 970 8 5720 1510 2600 3700 1100 1130 5440 3340 1530 1860 1020 1970 9 4620 1020 2200 2580 3840 5580 5980 1100 2220 2880 1050 1880 10 2730 2370 2400 1150 3710 7800 5200 1000 2790 1490 3040 3140 11 1230 1930 1600 1230 3680 8070 2220 4460 6680 964 1820 2680 12 1150 2130 1500 2620 3260 7550 1970 5640 6680 899 1830 938 13 2120 1960 1100 4070 2980 3750 2310 5170 930 3010 2720 986 14 3240 1670 1300 3740 1540 3300 3910 4290 970 2460 2190 2520 15 3370 1130 2600 5690 1680 4130 4120 3430 3000 4070 1000 2680 16 2840 1100 2400 4160 1280 7980 4020 998 2540 3490 1090 2990 17 2000 1460 2000 1420 2560 8350 2590 1050 2870 3190 1100 1970 18 1230 2240 1800 1070 7190 9400 1140 4090 3080 1040 2860 1300 19 1070 2130 2200 3350 9570 7810 1810 3340 2860 1020 2090 1040 20 2540 1590 1000 5140 9130 5560 4640 2570 970 3010 2100 970 21 2480 1340 1200 4810 12700 2200 4320 2690 970 3890 1240 1750 22 2540 1000 1700 4850 16700 1160 2970 2680 3100 2520 922 1410 23 1520 1110 1100 4570 21200 6530 3080 1220 4370 3680 970 1410 24 1480 1700 1200 1670 11700 25900 2730 1070 4200 2380 2370 1310 25 1680 1760 900 1150 9260 16500 1000 4220 3930 948 3280 1340 26 1330 1280 1100 6250 8540 14400 1000 3960 1810 1020 2580 1020 27 1840 1170 1200 6520 4760 10800 3600 4230 986 3310 2960 1200 28 1790 1740 1100 5950 2600 8770 4070 2030 909 3630 2590 1160 29 1960 1130 2200 5830 --- 8480 3190 1850 1080 3860 994 1210 30 2350 1080 1770 4690 --- 11200 3190 1030 1360 4710 1070 1510 31 1900 --- 1620 2400 --- 7350 --- 1050 --- 3920 3910 --- TOTAL 81760 48060 52700 98370 167280 229820 106240 88574 73465 71669 60944 53098 MEAN 2637 1602 1700 3173 5974 7414 3541 2857 2449 2312 1966 1770 MAX 5720 2400 2790 6520 21200 25900 6610 6490 6680 4710 4260 4110 MIN 1070 1000 900 1050 1100 1130 1000 986 909 899 922 938 CFSM 0.86 0.53 0.56 1.04 1.96 2.43 1.16 0.94 0.80 0.76 0.64 0.58 IN. 1.00 0.59 0.64 1.20 2.04 2.80 1.30 1.08 0.90 0.87 0.74 0.65 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1953, BY WATER YEAR (WY) MEAN 3635 3694 4294 5112 6673 7365 5786 4671 4009 3818 4294 3816 MAX 10680 8291 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1948 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 1205 1602 1700 2238 3078 2185 2683 2307 2093 1247 1708 1604 (WY) 1896 1953 1953 1897 1898 1896 1896 1896 1896 1951 1896 1951 SUMMARY STATISTICS FOR 1952 CALENDAR YEAR FOR 1953 WATER YEAR WATER YEARS 1896 - 1953 ANNUAL TOTAL 1521895 1131980 ANNUAL MEAN 4158 3101 4772 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 3067 1896 HIGHEST DAILY MEAN 46600 Mar 4 25900 Mar 24 127000 May 23 1901 LOWEST DAILY MEAN 860 Aug 17 899 Jul 12 815 Sep 2 1945 ANNUAL SEVEN-DAY MINIMUM 1010 Jun 30 1060 Jun 28 927 Jul 31 1951 MAXIMUM PEAK FLOW 151000 May 23 1901 MAXIMUM PEAK STAGE 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 1.36 1.02 1.56 ANNUAL RUNOFF (INCHES) 18.56 13.81 21.26 10 PERCENT EXCEEDS 7460 6080 8300 50 PERCENT EXCEEDS 3380 2220 3650 90 PERCENT EXCEEDS 1100 1020 1260 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1953 TO SEPTEMBER 1954 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 1910 1050 1910 1070 6030 7680 1860 1160 4680 2250 1010 920 2 1100 2430 2860 1400 5390 8790 3930 992 4250 1420 2480 1020 3 992 2540 2230 1250 5740 7870 4890 5240 3990 978 3600 1590 4 948 1680 1200 2310 5700 8790 4320 6040 2980 1010 2910 920 5 1700 1130 1270 2030 3930 8610 8430 5170 978 992 3140 982 6 1500 1330 1080 1700 1010 8250 8970 4550 1130 1140 1240 963 7 1440 1010 2270 1900 972 4370 8790 2880 4640 1030 934 1450 8 1440 1020 3890 1280 5290 8080 8080 1870 4080 992 978 1380 9 1100 978 3380 1180 5660 5260 6390 2280 3830 1070 2620 1020 10 920 1160 4120 1050 3900 4860 2390 4640 3500 1050 1780 920 11 978 992 2180 1540 4340 6490 1340 4920 3100 1040 2040 992 12 1470 1010 1620 1590 2860 6720 6150 3430 1750 1010 1640 985 13 1520 992 1300 1760 1210 2130 7020 2230 1250 978 905 879 14 1720 963 1300 1640 1080 3760 5940 2290 4210 1130 948 905 15 2080 1010 1390 1380 1820 5720 4460 2730 3770 948 1010 920 16 1820 1240 5940 2060 1910 7910 2240 2950 3610 1040 1810 920 17 978 1390 7910 1050 2210 8790 2300 5930 2390 992 2900 905 18 948 1300 7780 5260 3120 8080 1530 6340 2950 937 1050 920 19 1840 1040 1150 8610 2630 8080 5250 4400 1390 1040 920 963 20 1880 1120 1080 6260 1060 4860 4110 4950 1040 1720 920 981 21 1840 1050 4670 6570 4810 1200 5020 6160 3840 1190 905 934 22 2010 1050 7910 17100 8820 6120 4140 2790 3590 1590 963 948 23 1910 1340 7960 43900 10800 8150 2000 3560 4060 1640 920 1020 24 963 1330 1190 30400 10800 6510 1020 6170 3510 986 920 920 25 948 1060 1050 13400 8970 6630 1020 5410 2510 948 920 948 26 2090 992 1110 7400 9330 6500 4660 4040 1900 2720 920 929 27 1700 1320 1230 6480 6750 7910 4020 4250 978 2560 1100 964 28 2710 1260 2980 8250 3490 1720 3920 4310 3320 2500 948 905 29 2150 1020 3930 8140 --- 5260 3760 1900 2540 2710 978 920 30 1080 1450 2210 5910 --- 8270 3840 1420 2130 2250 1000 920 31 1040 --- 3380 2190 --- 3540 --- 4620 --- 1030 865 --- TOTAL 46725 37257 93480 196060 129632 196910 131790 119622 87896 42891 45274 29943 MEAN 1507 1242 3015 6325 4630 6352 4393 3859 2930 1384 1460 998 MAX 2710 2540 7960 43900 10800 8790 8970 6340 4680 2720 3600 1590 MIN 920 963 1050 1050 972 1200 1020 992 978 937 865 879 CFSM 0.49 0.41 0.99 2.07 1.52 2.08 1.44 1.27 0.96 0.45 0.48 0.33 IN. 0.57 0.45 1.14 2.39 1.58 2.40 1.61 1.46 1.07 0.52 0.55 0.37 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1954, BY WATER YEAR (WY) MEAN 3523 3565 4226 5176 6567 7311 5716 4630 3955 3696 4152 3675 MAX 10680 8291 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1948 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 1205 1242 1700 2238 3078 2185 2683 2307 2093 1247 1460 998 (WY) 1896 1954 1953 1897 1898 1896 1896 1896 1896 1951 1954 1954 SUMMARY STATISTICS FOR 1953 CALENDAR YEAR FOR 1954 WATER YEAR WATER YEARS 1896 - 1954 ANNUAL TOTAL 1126922 1157480 ANNUAL MEAN 3087 3171 4688 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 3067 1896 HIGHEST DAILY MEAN 25900 Mar 24 43900 Jan 23 127000 May 23 1901 LOWEST DAILY MEAN 899 Jul 12 865 Aug 31 815 Sep 2 1945 ANNUAL SEVEN-DAY MINIMUM 1020 Nov 9 916 Sep 13 916 Sep 13 1954 MAXIMUM PEAK FLOW 151000 May 23 1901 MAXIMUM PEAK STAGE 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 1.01 1.04 1.54 ANNUAL RUNOFF (INCHES) 13.74 14.12 20.88 10 PERCENT EXCEEDS 6300 6860 8130 50 PERCENT EXCEEDS 2170 1900 3600 90 PERCENT EXCEEDS 1000 957 1200 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1954 TO SEPTEMBER 1955 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 963 630 1780 1440 2270 2050 3910 644 2100 1700 2660 1780 2 937 565 1790 1090 1610 1770 956 3740 2010 572 3300 2220 3 967 664 2340 2340 1570 2340 678 2790 2010 616 3560 567 4 962 624 1990 2850 1940 1570 2060 3250 1030 1290 3640 535 5 892 1080 680 2760 1730 1020 2420 2980 599 1030 3320 964 6 916 722 2710 1700 1350 815 3600 2080 2350 1130 1130 2020 7 950 866 3390 3350 794 2050 927 602 1270 1000 710 2680 8 1110 837 1830 1070 2730 2960 592 602 512 624 2550 2090 9 916 692 2050 936 7530 2290 628 2900 1340 593 2850 1430 10 978 692 2430 3240 8610 1990 734 3140 1090 624 2910 906 11 942 616 1480 1130 8080 2030 2040 2400 1190 1760 3780 754 12 868 606 1990 2510 5590 940 4390 2620 880 4770 2300 2970 13 652 797 2950 3110 5770 913 3500 1230 1830 4970 982 2050 14 512 626 2090 3290 9690 2110 4220 1020 2320 5420 630 1860 15 608 688 2180 2150 7220 3020 11500 698 2320 3730 758 1930 16 554 794 2310 1240 2750 3920 9690 1740 2240 1910 648 1350 17 629 703 2090 2110 2420 4160 3520 1570 2060 583 3630 968 18 576 708 742 1480 2850 2420 6710 1340 654 2510 3370 649 19 513 743 856 992 795 2020 8610 1840 611 1760 4430 1780 20 540 585 2600 692 638 1940 9330 2020 1730 1820 1290 1640 21 490 604 2700 1060 2710 4070 8970 848 2220 1790 585 1450 22 538 1300 1970 728 2310 4620 6640 752 2170 2010 2080 1460 23 557 1380 1540 1010 2070 3930 1260 4930 2910 1970 6320 1550 24 582 1250 666 1440 1520 4400 732 6980 928 630 3710 842 25 564 1110 638 2150 3130 3890 3650 5390 682 2820 1480 617 26 568 1210 1350 1710 982 1390 4720 5600 578 4420 3950 1530 27 546 878 2190 1610 652 1040 4810 2980 1730 3590 1060 1690 28 554 1150 3160 1840 1720 3840 5040 1620 1590 3440 579 1340 29 578 1110 1850 2820 --- 3570 2100 1150 2150 2630 3010 1610 30 582 1500 1770 1280 --- 3450 1280 2470 2080 616 2420 1210 31 822 --- 1000 2290 --- 4920 --- 1730 --- 610 1920 --- TOTAL 22366 25730 59112 57418 91031 81448 119217 73656 47184 62938 75562 44442 MEAN 721 858 1907 1852 3251 2627 3974 2376 1573 2030 2437 1481 MAX 1110 1500 3390 3350 9690 4920 11500 6980 2910 5420 6320 2970 MIN 490 565 638 692 638 815 592 602 512 572 579 535 CFSM 0.24 0.28 0.63 0.61 1.07 0.86 1.30 0.78 0.52 0.67 0.80 0.49 IN. 0.27 0.31 0.72 0.70 1.11 0.99 1.45 0.90 0.58 0.77 0.92 0.54 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1955, BY WATER YEAR (WY) MEAN 3383 3430 4110 5010 6402 7077 5633 4523 3842 3617 4071 3570 MAX 10680 8291 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1948 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 721 858 1700 1852 3078 2185 2683 2307 1573 1247 1460 998 (WY) 1955 1955 1953 1955 1898 1896 1896 1896 1955 1951 1954 1954 SUMMARY STATISTICS FOR 1954 CALENDAR YEAR FOR 1955 WATER YEAR WATER YEARS 1896 - 1955 ANNUAL TOTAL 1087226 760104 ANNUAL MEAN 2979 2082 4558 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 2082 1955 HIGHEST DAILY MEAN 43900 Jan 23 11500 Apr 15 127000 May 23 1901 LOWEST DAILY MEAN 490 Oct 21 490 Oct 21 490 Oct 21 1954 ANNUAL SEVEN-DAY MINIMUM 541 Oct 19 541 Oct 19 541 Oct 19 1954 MAXIMUM PEAK FLOW 151000 May 23 1901 MAXIMUM PEAK STAGE 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 0.977 0.683 1.49 ANNUAL RUNOFF (INCHES) 13.26 9.27 20.30 10 PERCENT EXCEEDS 6530 3920 7980 50 PERCENT EXCEEDS 1780 1710 3480 90 PERCENT EXCEEDS 734 616 1180 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1955 TO SEPTEMBER 1956 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 676 552 2600 689 2190 4080 816 4960 1120 610 1050 596 2 1380 1350 1300 766 1510 3340 2620 2570 558 590 1900 596 3 4760 638 950 1310 1170 2780 2970 6540 610 533 752 622 4 3710 974 700 1550 756 858 2690 8970 980 1550 565 932 5 3520 1200 1800 1560 764 3470 2420 6370 1470 658 656 1070 6 2420 600 600 1500 1090 2910 4460 4190 996 546 1540 802 7 1250 1100 1030 1480 5870 4520 1230 6610 1150 587 1050 528 8 614 650 1870 1080 6830 3960 848 6860 798 612 918 557 9 548 1100 1340 1910 8790 4760 3920 5280 626 918 1410 822 10 3150 1400 1140 1930 8790 738 3510 5880 643 554 1210 2490 11 2400 650 1080 1720 8790 684 2800 2850 2200 1270 794 586 12 4380 900 1740 1520 3580 1880 5400 1380 2080 1500 723 1410 13 3920 600 746 994 4050 1910 5360 679 1670 569 1830 1580 14 3230 850 1750 708 4440 2140 2160 4890 1650 589 1110 826 15 1460 1400 1100 852 5480 1260 1410 2810 800 586 936 781 16 844 2200 1460 1730 4580 2870 9370 2230 776 1580 1510 682 17 2150 1200 842 1720 4870 2970 9590 2460 617 2770 774 2430 18 1970 1900 820 1470 997 4440 11100 1560 2680 2740 642 2040 19 2530 700 1010 1640 1350 8460 10800 698 1260 2830 828 1630 20 2350 750 598 1170 3370 9630 10800 725 935 575 2120 1100 21 1280 2400 846 720 3440 9040 6940 2130 1250 1160 1110 1010 22 846 2400 702 908 8310 9380 2600 2490 1000 792 1790 793 23 672 2400 644 1290 9110 5880 6930 2760 1010 2880 1550 617 24 930 700 711 1470 6170 827 10400 1620 654 2270 1010 1130 25 1810 1000 744 2190 3090 812 9110 1160 1800 1140 541 1220 26 1260 1100 730 2130 1890 2980 5040 543 1920 1610 592 995 27 1240 600 756 1690 5930 2160 4480 707 1640 1870 2200 7690 28 849 2200 610 734 3530 2780 1090 2590 1770 921 2730 10900 29 760 2200 642 713 3290 3970 632 1960 1260 648 2580 1370 30 752 1900 668 2610 --- 2750 3770 1840 549 1730 1900 1070 31 1120 --- 775 2100 --- 978 --- 2600 --- 1220 1690 --- TOTAL 58781 37614 32304 43854 124027 109217 145266 98912 36472 38408 40011 48875 MEAN 1896 1254 1042 1415 4277 3523 4842 3191 1216 1239 1291 1629 MAX 4760 2400 2600 2610 9110 9630 11100 8970 2680 2880 2730 10900 MIN 548 552 598 689 756 684 632 543 549 533 541 528 CFSM 0.62 0.41 0.34 0.46 1.40 1.16 1.59 1.05 0.40 0.41 0.42 0.53 IN. 0.72 0.46 0.39 0.53 1.51 1.33 1.77 1.21 0.44 0.47 0.49 0.60 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1956, BY WATER YEAR (WY) MEAN 3312 3326 3964 4839 6298 6908 5598 4462 3723 3509 3944 3482 MAX 10680 8291 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1948 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 721 858 1042 1415 3078 2185 2683 2307 1216 1239 1291 998 (WY) 1955 1955 1956 1956 1898 1896 1896 1896 1956 1956 1956 1954 SUMMARY STATISTICS FOR 1955 CALENDAR YEAR FOR 1956 WATER YEAR WATER YEARS 1896 - 1956 ANNUAL TOTAL 781595 813741 ANNUAL MEAN 2141 2223 4446 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 2082 1955 HIGHEST DAILY MEAN 11500 Apr 15 11100 Apr 18 127000 May 23 1901 LOWEST DAILY MEAN 512 Jun 8 528 Sep 7 490 Oct 21 1954 ANNUAL SEVEN-DAY MINIMUM 691 Dec 23 691 Dec 23 541 Oct 19 1954 MAXIMUM PEAK FLOW 151000 May 23 1901 MAXIMUM PEAK STAGE 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 0.702 0.729 1.46 ANNUAL RUNOFF (INCHES) 9.53 9.92 19.81 10 PERCENT EXCEEDS 4000 4980 7870 50 PERCENT EXCEEDS 1730 1410 3380 90 PERCENT EXCEEDS 644 630 1130 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1956 TO SEPTEMBER 1957 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 2580 3820 657 1620 9580 10400 4860 5340 1130 4580 3090 602 2 3640 3990 961 3120 15300 9330 6680 4280 734 3390 1120 606 3 3540 2560 3110 4560 16500 8430 5900 2680 4890 3690 1060 1590 4 4110 892 2960 4800 9320 8970 7160 572 5510 2090 991 1810 5 3000 3570 2710 1080 10800 10000 13800 1230 7650 2730 2490 2190 6 581 3710 2630 926 10800 10400 14200 3240 13400 1530 1830 912 7 754 3750 1980 4270 10800 10000 29200 2820 11500 822 1130 628 8 2000 5150 706 4330 10800 10000 15200 1020 7410 3770 2290 708 9 2150 2580 690 3010 7460 6530 14200 1940 11500 3380 1920 2390 10 2250 955 2930 3190 721 784 12600 1970 10000 2350 1220 3940 11 2300 698 2290 3100 5740 6180 10000 3520 8970 3180 668 4330 12 2520 4190 1690 1590 8790 4770 9330 2220 8970 2240 2850 4320 13 628 4590 1460 920 7850 5480 9150 4660 11500 1080 2070 1870 14 786 4450 1120 4340 8250 4480 8100 6330 10000 1220 1650 1910 15 2840 2810 622 4600 6270 2490 9330 6000 5600 3200 1870 726 16 1800 2330 702 3350 2080 953 9150 2560 4730 2790 1560 3890 17 2340 676 2400 3380 2170 896 9330 2500 6430 2040 535 4870 18 2400 622 1830 2250 5760 4570 9320 2180 5460 1490 724 6650 19 2430 2750 3220 851 4770 4790 7730 1780 4400 2360 2350 8700 20 806 3160 2680 1180 5610 4550 1290 2770 7260 1090 2300 6380 21 1140 3070 2890 3760 5360 4540 1040 3050 4650 617 2920 926 22 1960 706 1460 2760 3720 3290 3160 4310 1340 4260 2650 608 23 2980 1550 948 1920 1710 1210 3010 4620 1990 2630 1320 5430 24 3050 838 774 2010 798 812 4330 4310 5850 2140 657 5770 25 3290 665 890 1780 3280 5510 4510 898 8640 2120 664 5760 26 3460 4560 5490 610 4780 6430 4670 1220 7020 1360 2410 5000 27 2370 2360 6000 782 5260 9150 761 4150 10400 782 2770 3660 28 816 3330 5220 3270 6220 8970 667 4470 10800 616 2450 1130 29 5160 3360 1260 3390 --- 3920 4550 4700 6220 2680 2080 1110 30 4180 2190 961 5450 --- 662 5490 3340 4250 3050 1460 6580 31 3660 --- 3500 5610 --- 826 --- 2580 --- 3150 602 --- TOTAL 75521 79882 66741 87809 190499 169323 238718 97260 208204 72427 53701 94996 MEAN 2436 2663 2153 2833 6804 5462 7957 3137 6940 2336 1732 3167 MAX 5160 5150 6000 5610 16500 10400 29200 6330 13400 4580 3090 8700 MIN 581 622 622 610 721 662 667 572 734 616 535 602 CFSM 0.80 0.87 0.71 0.93 2.23 1.79 2.61 1.03 2.28 0.77 0.57 1.04 IN. 0.92 0.97 0.81 1.07 2.32 2.07 2.91 1.19 2.54 0.88 0.65 1.16 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1957, BY WATER YEAR (WY) MEAN 3272 3296 3882 4747 6321 6842 5700 4405 3862 3458 3848 3468 MAX 10680 8291 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1948 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 721 858 1042 1415 3078 2185 2683 2307 1216 1239 1291 998 (WY) 1955 1955 1956 1956 1898 1896 1896 1896 1956 1956 1956 1954 SUMMARY STATISTICS FOR 1956 CALENDAR YEAR FOR 1957 WATER YEAR WATER YEARS 1896 - 1957 ANNUAL TOTAL 907186 1435081 ANNUAL MEAN 2479 3932 4423 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 2082 1955 HIGHEST DAILY MEAN 11100 Apr 18 29200 Apr 7 127000 May 23 1901 LOWEST DAILY MEAN 528 Sep 7 535 Aug 17 490 Oct 21 1954 ANNUAL SEVEN-DAY MINIMUM 719 Jun 30 1190 Aug 31 541 Oct 19 1954 MAXIMUM PEAK FLOW 151000 May 23 1901 MAXIMUM PEAK STAGE 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 0.813 1.29 1.45 ANNUAL RUNOFF (INCHES) 11.06 17.50 19.70 10 PERCENT EXCEEDS 5300 9040 7910 50 PERCENT EXCEEDS 1780 3010 3370 90 PERCENT EXCEEDS 655 782 1110 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1957 TO SEPTEMBER 1958 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 8070 2700 5740 8680 9680 7740 10000 13400 1210 955 3450 3940 2 7820 996 8120 5030 5750 7710 10800 13000 6440 2070 778 3330 3 7760 1070 8790 3470 8130 8970 8140 14200 6560 2180 603 2240 4 5930 3630 9150 3350 10400 9330 8890 11900 6340 931 2460 2770 5 808 2900 7410 4080 9150 9690 5880 9330 6260 944 4000 2030 6 1560 2790 5170 5780 5580 9690 8820 9330 5380 720 4770 616 7 5860 3480 3240 7640 5460 8970 7710 9330 3120 5850 4400 628 8 4660 2830 1800 6110 3110 7390 9080 9330 610 5930 2030 3900 9 3840 951 6080 5530 4210 912 10000 11100 6210 3150 816 1510 10 3970 759 10000 5830 7870 4700 11100 8610 5060 4790 631 1330 11 3920 3820 10400 3850 8470 6290 7050 8430 4300 3530 2520 1300 12 1960 3820 9690 3610 7380 6480 9200 10800 3760 757 2510 2230 13 991 1820 9690 6480 5670 5910 9150 9330 4820 600 3270 636 14 2710 2990 4300 8430 5060 6200 9690 9150 658 5540 3680 665 15 2940 4300 2540 7630 2440 1500 10000 9690 684 5210 4390 2170 16 3330 1620 4680 8030 3660 1240 6030 9330 5420 5140 1250 2310 17 3800 742 4300 8790 5630 6050 6810 6310 6100 5460 614 3900 18 3340 1050 4660 7150 4700 6810 8610 4620 6000 4370 6700 2320 19 717 5710 4290 1720 4980 6100 8970 8570 4200 1220 1150 763 20 702 22400 4980 5750 4750 5510 8670 8420 1870 752 2640 918 21 4860 10000 2870 6540 4490 3680 9860 8330 1150 4230 2490 676 22 5190 10000 2500 6460 2600 2720 8500 7210 2230 5820 2700 2930 23 4400 16800 4490 6000 2280 623 9690 6800 4110 5760 756 2490 24 2460 9280 4750 3170 3460 5230 10400 3570 3820 3810 638 2420 25 2220 17600 5430 1000 2480 4800 9690 2660 2720 2230 2480 3420 26 2830 23400 6290 2310 2260 4260 6390 6740 4750 3420 5630 1040 27 1520 15300 6170 7750 4780 5220 8270 8300 3400 1740 5840 1800 28 4900 10400 7660 9690 7910 4960 20800 7070 823 6170 5630 1050 29 4900 7860 3710 11500 --- 3140 34600 6250 592 6210 4840 1870 30 4850 8670 6090 11500 --- 3080 19400 4910 1890 5870 646 1550 31 3390 --- 8970 11500 --- 6570 --- 3840 --- 4590 681 --- TOTAL 116208 199688 183960 194360 152340 171475 312200 259860 110487 109949 84993 58752 MEAN 3749 6656 5934 6270 5441 5531 10410 8383 3683 3547 2742 1958 MAX 8070 23400 10400 11500 10400 9690 34600 14200 6560 6210 6700 3940 MIN 702 742 1800 1000 2260 623 5880 2660 592 600 603 616 CFSM 1.23 2.18 1.95 2.06 1.78 1.81 3.41 2.75 1.21 1.16 0.90 0.64 IN. 1.42 2.44 2.24 2.37 1.86 2.09 3.81 3.17 1.35 1.34 1.04 0.72 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1958, BY WATER YEAR (WY) MEAN 3293 3442 3971 4814 6283 6785 5896 4570 3855 3461 3802 3405 MAX 10680 8291 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1948 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 721 858 1042 1415 3078 2185 2683 2307 1216 1239 1291 998 (WY) 1955 1955 1956 1956 1898 1896 1896 1896 1956 1956 1956 1954 SUMMARY STATISTICS FOR 1957 CALENDAR YEAR FOR 1958 WATER YEAR WATER YEARS 1896 - 1958 ANNUAL TOTAL 1712793 1954272 ANNUAL MEAN 4693 5354 4463 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 2082 1955 HIGHEST DAILY MEAN 29200 Apr 7 34600 Apr 29 127000 May 23 1901 LOWEST DAILY MEAN 535 Aug 17 592 Jun 29 490 Oct 21 1954 ANNUAL SEVEN-DAY MINIMUM 1190 Aug 31 1350 Jun 28 541 Oct 19 1954 MAXIMUM PEAK FLOW 151000 May 23 1901 MAXIMUM PEAK STAGE 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 1.54 1.76 1.46 ANNUAL RUNOFF (INCHES) 20.89 23.84 19.88 10 PERCENT EXCEEDS 9810 9690 8140 50 PERCENT EXCEEDS 3800 4790 3400 90 PERCENT EXCEEDS 906 977 1110 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1958 TO SEPTEMBER 1959 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 2730 1190 2670 9150 686 704 5140 5270 6550 1430 648 4220 2 3370 886 2120 9240 3240 4000 4930 3200 6350 760 808 7530 3 3060 1750 2220 8740 4460 4000 2850 658 9170 530 4700 9370 4 1390 2290 3220 7560 4320 4000 1560 5030 8420 552 6280 6520 5 598 1930 1820 6970 894 3000 2430 4140 8690 576 8970 992 6 2980 2340 664 7780 1310 2780 5140 3620 4470 538 8790 1250 7 3720 2160 866 9060 3580 5680 5590 2830 2160 538 6560 4380 8 2500 1010 3030 7170 1400 5480 4380 1480 5220 759 1670 8130 9 3320 674 2000 5580 5220 8520 5080 1330 5570 1190 1080 10800 10 1610 3120 2490 3520 4930 6020 3010 620 3450 574 5160 11500 11 1570 2130 2620 1050 4570 5900 1330 1140 2800 598 6360 9690 12 760 2570 2700 4690 3980 7240 1720 1930 4050 628 6580 6440 13 1970 1950 1680 6190 2040 5350 4700 2750 2530 580 5580 3430 14 3290 2030 890 2290 1700 4910 7120 1980 594 4640 3950 7190 15 3060 696 2030 3880 2370 924 9900 3220 2500 4480 1570 7220 16 1900 625 2470 4590 5590 4910 9700 1450 2860 4540 580 4800 17 2170 2840 2040 1270 6870 6180 10100 574 3200 2480 2080 4670 18 1450 2140 3600 1010 6290 6870 6350 3450 4690 2350 1950 4880 19 847 2090 2480 4480 5920 4150 3790 4600 4890 760 1460 1020 20 2860 1830 1010 3390 5170 2740 6470 4600 1590 4820 1390 616 21 3180 1860 748 2790 3070 696 6920 5660 546 1140 1800 3480 22 2170 1110 1190 5040 1580 795 10100 4200 4200 642 940 2070 23 2200 705 1920 4760 4180 4750 10600 2090 3580 6930 692 5450 24 1940 1780 902 2470 5690 3880 8720 630 2220 7490 3660 3270 25 1960 1700 640 1730 3440 3530 8190 3970 3070 8860 2250 2360 26 814 788 640 4680 3370 3530 5790 3830 2940 1600 3490 3490 27 2190 695 720 5040 2570 3270 7260 5410 1440 6400 3080 642 28 2160 2020 876 5200 626 800 9680 4910 610 3390 2410 4420 29 2290 1160 8920 5080 --- 926 9160 3970 1560 3290 5300 3600 30 2110 988 20100 4120 --- 5390 7610 634 1470 3800 1450 8590 31 2400 --- 13400 2310 --- 4990 --- 1010 --- 1360 2020 --- TOTAL 68569 49057 92676 150830 99066 125915 185320 90186 111390 78225 103258 152020 MEAN 2212 1635 2990 4865 3538 4062 6177 2909 3713 2523 3331 5067 MAX 3720 3120 20100 9240 6870 8520 10600 5660 9170 8860 8970 11500 MIN 598 625 640 1010 626 696 1330 574 546 530 580 616 CFSM 0.73 0.54 0.98 1.60 1.16 1.33 2.03 0.95 1.22 0.83 1.09 1.66 IN. 0.84 0.60 1.13 1.84 1.21 1.54 2.26 1.10 1.36 0.95 1.26 1.85 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1959, BY WATER YEAR (WY) MEAN 3248 3367 3930 4816 6169 6672 5907 4504 3849 3424 3783 3472 MAX 10680 8291 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1948 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 721 858 1042 1415 3078 2185 2683 2307 1216 1239 1291 998 (WY) 1955 1955 1956 1956 1898 1896 1896 1896 1956 1956 1956 1954 SUMMARY STATISTICS FOR 1958 CALENDAR YEAR FOR 1959 WATER YEAR WATER YEARS 1896 - 1959 ANNUAL TOTAL 1664718 1306512 ANNUAL MEAN 4561 3579 4427 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 2082 1955 HIGHEST DAILY MEAN 34600 Apr 29 20100 Dec 30 127000 May 23 1901 LOWEST DAILY MEAN 592 Jun 29 530 Jul 3 490 Oct 21 1954 ANNUAL SEVEN-DAY MINIMUM 966 Dec 21 608 Jul 2 541 Oct 19 1954 MAXIMUM PEAK FLOW 151000 May 23 1901 MAXIMUM PEAK STAGE 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 1.50 1.17 1.45 ANNUAL RUNOFF (INCHES) 20.30 15.94 19.72 10 PERCENT EXCEEDS 9330 7230 8100 50 PERCENT EXCEEDS 3470 3000 3380 90 PERCENT EXCEEDS 804 714 1100 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1959 TO SEPTEMBER 1960 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 24300 1620 4620 2460 20400 10400 16900 7090 2970 3070 5270 5410 2 18100 4990 6500 3570 9690 10800 18500 8720 3860 1400 5460 4920 3 11900 6720 6500 1790 8610 10000 12800 5510 2980 524 6530 2670 4 4370 6270 4780 5300 8610 10800 16900 3740 5930 540 6010 626 5 6710 6690 3210 8460 16800 10800 31300 5270 1910 580 2570 1860 6 8970 4350 876 9330 31600 10100 24500 4750 6010 536 1360 4030 7 8970 4560 4940 4280 26800 11900 14600 4930 4820 5490 660 5130 8 8970 1290 6090 712 9900 10600 14600 3970 5760 4840 5080 8110 9 8970 5320 6510 6200 10000 9000 11500 4310 5280 1540 5210 6790 10 9150 6020 5690 8290 9690 9070 8070 9830 2950 1950 5280 3640 11 7740 6570 4890 9140 14200 9220 10800 10400 2490 6660 4390 3150 12 8790 6970 1920 10000 16500 7400 10800 8110 1250 4340 4440 5430 13 10400 6450 722 6920 15500 4570 10800 8490 4600 4160 3400 4040 14 10800 1100 6160 7060 8520 8970 10800 6790 3220 4270 2140 3930 15 11300 1090 8020 5380 12300 6950 11100 2300 3430 2960 5570 3920 16 10800 6260 7080 5430 11900 4980 8520 6560 4420 2140 7230 4280 17 8970 7780 6850 2910 8790 1340 6590 6830 3430 518 6800 1690 18 8790 4980 3680 7090 13400 5430 10000 4820 1620 4080 7070 715 19 9690 4160 4910 6010 24600 10400 9150 4590 569 2970 6200 5940 20 10000 5270 5250 4510 16900 10000 8080 4860 4130 1590 5870 2970 21 10400 3260 9690 5450 13800 11500 5710 3560 4040 5330 906 2810 22 10400 663 9690 6380 10600 11500 5380 675 5020 3180 5460 3070 23 10200 5770 8030 3460 7720 11500 3530 5140 4920 663 6850 2590 24 7080 5170 5960 1130 10000 10800 3110 5770 4890 698 3760 1290 25 4040 6580 2700 5930 9330 10400 5940 4010 2310 4400 6100 972 26 8720 5700 3160 4230 8970 4640 6420 4320 2580 3340 7460 3950 27 10400 7530 2920 4740 9690 6010 5760 3010 3740 3580 6710 3940 28 10800 5740 6380 4990 8900 9740 5890 3820 3080 3120 2810 4070 29 8350 1810 6040 5540 10000 10800 6020 2820 3240 3890 6940 3970 30 6220 6690 4190 2470 --- 4860 6290 5500 2800 1370 4520 3550 31 6850 --- 5140 5810 --- 19000 --- 4920 --- 1360 2680 --- TOTAL 301150 147373 163098 164972 383720 283480 320360 165415 108249 85089 150736 109463 MEAN 9715 4912 5261 5322 13230 9145 10680 5336 3608 2745 4862 3649 MAX 24300 7780 9690 10000 31600 19000 31300 10400 6010 6660 7460 8110 MIN 4040 663 722 712 7720 1340 3110 675 569 518 660 626 CFSM 3.19 1.61 1.72 1.74 4.34 3.00 3.50 1.75 1.18 0.90 1.59 1.20 IN. 3.67 1.80 1.99 2.01 4.68 3.46 3.91 2.02 1.32 1.04 1.84 1.34 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1960, BY WATER YEAR (WY) MEAN 3506 3429 3984 4836 6460 6771 6091 4536 3840 3398 3825 3479 MAX 10680 8291 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1948 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 721 858 1042 1415 3078 2185 2683 2307 1216 1239 1291 998 (WY) 1955 1955 1956 1956 1898 1896 1896 1896 1956 1956 1956 1954 SUMMARY STATISTICS FOR 1959 CALENDAR YEAR FOR 1960 WATER YEAR WATER YEARS 1896 - 1960 ANNUAL TOTAL 1707831 2383105 ANNUAL MEAN 4679 6511 4510 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 2082 1955 HIGHEST DAILY MEAN 24300 Oct 1 31600 Feb 6 127000 May 23 1901 LOWEST DAILY MEAN 530 Jul 3 518 Jul 17 490 Oct 21 1954 ANNUAL SEVEN-DAY MINIMUM 608 Jul 2 1350 Jun 30 541 Oct 19 1954 MAXIMUM PEAK FLOW 151000 May 23 1901 MAXIMUM PEAK STAGE 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 1.53 2.13 1.48 ANNUAL RUNOFF (INCHES) 20.83 29.07 20.09 10 PERCENT EXCEEDS 8970 10800 8420 50 PERCENT EXCEEDS 4540 5560 3460 90 PERCENT EXCEEDS 887 1840 1110 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1960 TO SEPTEMBER 1961 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 1690 5180 2200 919 3370 8970 4500 6860 3190 4460 4810 6420 2 576 4930 1410 1710 2830 8970 6070 5930 2980 2670 4160 6830 3 4860 4130 710 3310 3040 8970 6820 4870 861 5060 4840 2310 4 3140 4520 995 3500 1020 8970 9690 4970 939 2030 5370 2440 5 4890 743 3320 4120 992 6160 7340 3510 5020 3400 5620 6050 6 3300 662 1950 3440 2740 7680 7620 1830 3250 702 3190 5030 7 6180 5290 2820 1350 3110 10400 6730 2050 2850 1360 5820 3760 8 6240 2940 1650 892 966 4840 4020 5710 1860 1160 5750 4240 9 3630 3300 2600 2790 3050 8120 3220 3060 4660 873 5680 2810 10 7020 4580 1000 2310 6580 9040 6170 4240 2620 5360 5210 914 11 6600 4120 784 2360 3380 8890 9330 1760 795 6630 6770 3760 12 6380 947 3980 2750 1310 6270 7770 3200 5140 6260 4800 3380 13 6460 702 3530 2220 5140 7320 4120 9870 4830 5420 2050 4660 14 5360 4280 4540 1840 5480 7360 7910 4960 4520 3520 4760 4610 15 2600 3570 3530 1910 5620 5840 10400 6950 4350 1740 5060 3480 16 683 3360 3610 2900 3350 5000 10400 7390 2390 1590 4730 1340 17 5040 5460 820 4460 3360 6610 8550 5750 7390 6420 3860 859 18 4180 4360 1030 5900 906 1910 8570 5320 3650 3720 4090 4600 19 2920 1020 2700 6740 904 1710 9150 6040 6560 3770 952 3040 20 4770 702 4220 6300 2050 6680 10400 3200 1470 5990 778 2370 21 2750 3950 5450 2760 2060 4500 10800 795 5330 2900 4180 3830 22 805 2880 5200 1870 5370 1040 10400 5510 8970 2700 3430 3480 23 698 4360 756 5050 11100 2140 9060 6040 8610 4020 5010 1260 24 5550 682 730 6180 11500 8770 8120 5560 7380 6470 4970 929 25 5220 6120 740 5750 17300 8020 10800 5620 5440 4990 5290 3810 26 3600 2240 700 1390 18100 5400 9690 6190 7800 4500 3890 3480 27 4280 680 3350 6590 14600 7440 7080 2850 5900 3650 1920 1500 28 3500 3730 2970 1570 9330 11100 6170 841 5190 5110 5180 1020 29 2280 2910 2660 902 --- 10000 6210 6050 7450 2900 4650 1190 30 646 4680 3210 5030 --- 6810 1930 4150 7270 2330 4710 958 31 3650 --- 2150 5890 --- 1220 --- 3340 --- 3910 5460 --- TOTAL 119498 97028 75315 104703 148558 206150 229040 144416 138665 115615 136990 94360 MEAN 3855 3234 2430 3378 5306 6650 7635 4659 4622 3730 4419 3145 MAX 7020 6120 5450 6740 18100 11100 10800 9870 8970 6630 6770 6830 MIN 576 662 700 892 904 1040 1930 795 795 702 778 859 CFSM 1.26 1.06 0.80 1.11 1.74 2.18 2.50 1.53 1.52 1.22 1.45 1.03 IN. 1.46 1.18 0.92 1.28 1.81 2.51 2.79 1.76 1.69 1.41 1.67 1.15 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1961, BY WATER YEAR (WY) MEAN 3520 3421 3924 4780 6415 6766 6148 4541 3869 3410 3847 3466 MAX 10680 8291 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1948 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 721 858 1042 1415 3078 2185 2683 2307 1216 1239 1291 998 (WY) 1955 1955 1956 1956 1898 1896 1896 1896 1956 1956 1956 1954 SUMMARY STATISTICS FOR 1960 CALENDAR YEAR FOR 1961 WATER YEAR WATER YEARS 1896 - 1961 ANNUAL TOTAL 2063325 1610338 ANNUAL MEAN 5638 4412 4506 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 2082 1955 HIGHEST DAILY MEAN 31600 Feb 6 18100 Feb 26 127000 May 23 1901 LOWEST DAILY MEAN 518 Jul 17 576 Oct 2 490 Oct 21 1954 ANNUAL SEVEN-DAY MINIMUM 1350 Jun 30 1700 Dec 23 541 Oct 19 1954 MAXIMUM PEAK FLOW 151000 May 23 1901 MAXIMUM PEAK STAGE 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 1.85 1.45 1.48 ANNUAL RUNOFF (INCHES) 25.17 19.64 20.08 10 PERCENT EXCEEDS 10800 7840 8400 50 PERCENT EXCEEDS 4660 4150 3480 90 PERCENT EXCEEDS 1010 956 1100 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1961 TO SEPTEMBER 1962 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 899 3670 2410 6110 10400 9150 5140 3940 3730 859 1620 845 2 2120 2690 900 7920 11900 10400 6440 4140 3620 1650 2250 682 3 2070 2740 759 5280 10000 10400 10800 3700 1440 1930 2330 867 4 1990 1140 4600 4690 3760 10000 10800 4030 5870 1030 2310 1290 5 2270 736 3530 6810 4200 10000 11900 3890 5290 5360 1370 2610 6 1310 3410 3250 3540 5190 10800 10800 788 4450 5440 1540 1130 7 1040 2870 2980 16400 5210 11500 8890 4820 5550 3670 1030 995 8 974 2370 3230 6640 5480 10700 2490 4160 6180 820 930 854 9 2200 2350 3610 7580 6400 7130 9800 3980 2540 5170 787 872 10 3160 1380 1250 8850 3170 2160 11500 5370 668 2520 1020 3170 11 2850 1010 4980 9160 3210 4660 13900 1810 6100 1080 828 1760 12 2990 1140 9500 10000 5530 1370 19300 1900 6630 1480 654 910 13 2280 3930 11100 9660 4170 942 13000 2230 8080 1240 999 842 14 949 3830 8790 8580 5360 6270 10400 4750 11500 816 980 2240 15 1330 3270 10000 7880 4880 10400 10000 4840 11500 1400 718 1790 16 2740 3860 9530 6120 5090 11500 7970 4610 8690 1290 1970 1380 17 1850 3440 8580 7800 1610 9240 10400 4860 3740 884 1430 1170 18 1190 1200 10600 9880 1070 9640 11100 3500 6020 672 1000 1120 19 1530 1100 10000 3750 5810 11900 10800 2080 6610 1880 689 1070 20 1730 3970 10400 6010 5530 10000 11100 824 6120 2010 1800 1040 21 1520 3830 10400 3930 4900 6630 11500 5720 5220 764 1510 1070 22 778 3270 10000 5380 3340 8700 7220 4470 5710 887 2000 1020 23 1780 3950 8650 3890 1030 9690 11500 2760 1220 726 644 1070 24 1980 2970 7500 6850 2470 4400 7380 3640 632 1300 970 1230 25 1290 2200 8190 5110 8020 2860 5940 2990 4660 758 789 1120 26 1660 1140 7210 6210 10300 7120 6540 805 3270 1170 734 1330 27 2490 4180 10800 4450 10500 8410 8760 785 2560 1470 1080 1210 28 842 5180 8740 3560 7950 6930 2980 4700 5390 934 1070 1070 29 814 4770 4870 1280 --- 7820 812 5070 4500 1010 1060 1140 30 2060 4480 5060 7200 --- 6840 8610 4870 916 730 810 1000 31 1250 --- 924 8970 --- 3180 --- 4570 --- 1710 1020 --- TOTAL 53936 86076 202343 209490 156480 240742 277772 110602 148406 52660 37942 37897 MEAN 1740 2869 6527 6758 5589 7766 9259 3568 4947 1699 1224 1263 MAX 3160 5180 11100 16400 11900 11900 19300 5720 11500 5440 2330 3170 MIN 778 736 759 1280 1030 942 812 785 632 672 644 682 CFSM 0.57 0.94 2.14 2.22 1.83 2.55 3.04 1.17 1.62 0.56 0.40 0.41 IN. 0.66 1.05 2.47 2.56 1.91 2.94 3.39 1.35 1.81 0.64 0.46 0.46 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1962, BY WATER YEAR (WY) MEAN 3454 3401 4020 4853 6385 6803 6259 4506 3907 3349 3753 3388 MAX 10680 8291 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1948 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 721 858 1042 1415 3078 2185 2683 2307 1216 1239 1224 998 (WY) 1955 1955 1956 1956 1898 1896 1896 1896 1956 1956 1962 1954 SUMMARY STATISTICS FOR 1961 CALENDAR YEAR FOR 1962 WATER YEAR WATER YEARS 1896 - 1962 ANNUAL TOTAL 1660852 1614346 ANNUAL MEAN 4550 4423 4503 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 2082 1955 HIGHEST DAILY MEAN 18100 Feb 26 19300 Apr 12 127000 May 23 1901 LOWEST DAILY MEAN 702 Jul 6 632 Jun 24 490 Oct 21 1954 ANNUAL SEVEN-DAY MINIMUM 1390 Sep 27 855 Aug 9 541 Oct 19 1954 MAXIMUM PEAK FLOW 151000 May 23 1901 MAXIMUM PEAK STAGE 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 1.49 1.45 1.48 ANNUAL RUNOFF (INCHES) 20.26 19.69 20.06 10 PERCENT EXCEEDS 8970 10000 8540 50 PERCENT EXCEEDS 4020 3540 3480 90 PERCENT EXCEEDS 1120 886 1100 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1962 TO SEPTEMBER 1963 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 1100 854 1210 3400 2070 919 6170 2100 2330 1730 3070 1890 2 1190 850 770 2440 1100 4130 6510 2060 4190 4740 3270 1570 3 1180 1020 1430 1810 978 2080 5850 2130 5120 3260 860 2450 4 1150 806 1850 1650 824 4240 3870 1250 4790 3300 966 3010 5 1320 1240 1250 1150 2830 4300 3050 780 5370 798 3620 2100 6 1780 1060 1930 1190 3730 6600 890 4250 5880 748 3220 2130 7 1460 964 2000 2190 2790 12300 1790 2360 2860 798 3140 700 8 1370 946 2210 2400 2720 5890 6000 2430 918 1700 1510 892 9 1310 1070 2430 2010 1090 5980 6640 1250 992 1720 2480 2110 10 1550 842 1910 864 844 7290 5290 1760 3530 2950 1750 2290 11 2600 816 2810 798 1870 10600 5430 918 2820 4380 803 2850 12 1240 1740 2100 1110 916 10300 4190 672 2510 1760 1400 3290 13 1100 3050 1970 848 2710 5280 816 2170 3030 753 2430 2340 14 1010 3640 892 3200 3040 8840 1280 1750 3110 828 1990 734 15 2150 3180 2530 2200 2590 5850 4980 1120 874 2570 1920 1390 16 1150 3520 900 1860 876 3910 3880 1140 904 1790 1820 2060 17 2240 1790 920 1290 1240 5920 2860 1250 3300 3270 1750 1560 18 1580 806 867 1070 2250 10500 1400 1530 1820 2840 1510 2430 19 1500 3050 1620 1860 1380 10200 1580 853 2370 1150 1680 3070 20 973 3650 1340 1730 1680 8910 977 4900 3800 806 1630 2050 21 1000 3110 2180 3780 3460 10800 864 5840 4000 792 1720 1020 22 1080 2530 880 5050 2760 11500 2430 5730 1080 1160 1900 754 23 1150 3520 874 7620 1130 9480 1980 3500 1520 2770 2360 1780 24 1770 1580 814 8970 869 5500 1810 2630 4270 2840 2750 2070 25 1160 1110 950 8610 2770 6220 2210 844 2440 3380 1760 3690 26 1090 3390 909 3760 1880 5100 1590 824 1520 2980 1450 3400 27 1030 3780 1300 889 4010 6050 822 5960 2560 1960 1860 2610 28 1040 3390 2110 4900 2430 7590 954 9000 3790 1200 1790 1100 29 1280 2320 3850 2480 --- 6810 3630 6490 1870 2500 2170 1170 30 1080 2010 936 1100 --- 1450 2560 9730 1060 2610 1280 741 31 1110 --- 2650 896 --- 1090 --- 8590 --- 4210 674 --- TOTAL 41743 61634 50392 83125 56837 205629 92303 95811 84628 68293 60533 59251 MEAN 1347 2054 1626 2681 2030 6633 3077 3091 2821 2203 1953 1975 MAX 2600 3780 3850 8970 4010 12300 6640 9730 5880 4740 3620 3690 MIN 973 806 770 798 824 919 816 672 874 748 674 700 CFSM 0.44 0.67 0.53 0.88 0.67 2.17 1.01 1.01 0.92 0.72 0.64 0.65 IN. 0.51 0.75 0.61 1.01 0.69 2.51 1.13 1.17 1.03 0.83 0.74 0.72 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1963, BY WATER YEAR (WY) MEAN 3379 3353 3935 4776 6231 6797 6150 4457 3870 3309 3691 3339 MAX 10680 8291 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1948 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 721 858 1042 1415 2030 2185 2683 2307 1216 1239 1224 998 (WY) 1955 1955 1956 1956 1963 1896 1896 1896 1956 1956 1962 1954 SUMMARY STATISTICS FOR 1962 CALENDAR YEAR FOR 1963 WATER YEAR WATER YEARS 1896 - 1963 ANNUAL TOTAL 1425760 960179 ANNUAL MEAN 3906 2631 4437 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 2082 1955 HIGHEST DAILY MEAN 19300 Apr 12 12300 Mar 7 127000 May 23 1901 LOWEST DAILY MEAN 632 Jun 24 672 May 12 490 Oct 21 1954 ANNUAL SEVEN-DAY MINIMUM 855 Aug 9 971 Nov 1 541 Oct 19 1954 MAXIMUM PEAK FLOW 151000 May 23 1901 MAXIMUM PEAK STAGE 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 1.28 0.863 1.45 ANNUAL RUNOFF (INCHES) 17.39 11.71 19.76 10 PERCENT EXCEEDS 9930 5590 8430 50 PERCENT EXCEEDS 2490 1970 3410 90 PERCENT EXCEEDS 864 868 1080 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1963 TO SEPTEMBER 1964 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 4920 1680 2190 3440 1570 845 6130 7000 614 606 3760 10500 2 3820 1560 4310 4080 928 4070 4740 3380 2740 624 606 9280 3 4790 996 5210 4500 4690 6370 4090 752 5080 1400 5830 7870 4 4980 2310 4460 4620 5350 6760 2620 6470 3810 699 8020 7430 5 3060 876 5040 1080 5070 7900 951 8700 3330 616 9300 867 6 964 992 4330 4730 4460 7450 4030 5670 1450 628 9310 693 7 4960 3190 1970 4890 4090 1650 4080 4440 764 2420 7720 3950 8 4470 1640 890 5470 3210 1290 18700 3310 4440 2220 2290 7700 9 3890 1190 4300 2600 2870 5460 10400 714 6340 585 549 7410 10 3080 844 2410 1720 4810 7040 6800 610 6500 2610 4470 5770 11 1890 2470 3710 5540 5500 7450 2350 4340 6840 615 7400 7030 12 818 4510 5240 2090 5600 5090 4810 3730 3290 578 8960 2550 13 767 4770 1160 5850 5360 2760 8190 2980 1730 4070 9140 693 14 3090 4530 2970 8770 3560 988 7840 3180 689 3620 8160 2130 15 2130 4820 946 8490 1910 1660 8700 1210 5190 2530 912 6530 16 812 4020 4770 8000 1160 846 9200 672 5860 3200 806 5510 17 2070 988 4670 6160 4200 870 10000 609 1580 2770 3330 4040 18 1700 4280 5900 1140 1940 2940 8430 3090 866 713 10400 2340 19 1060 3940 5300 858 1080 6730 579 3120 1420 747 8960 932 20 785 4980 4690 3890 6960 7490 7840 3840 2130 1880 10500 587 21 1870 2340 2750 5540 7850 7870 10600 2400 693 6020 8220 1890 22 1640 1560 1660 5700 7920 1050 8680 2260 3800 8140 1290 3360 23 1920 790 3990 5500 8480 6410 9910 1800 3950 10200 623 3050 24 1810 821 2130 6080 8240 6280 10100 672 2770 11700 4390 1730 25 1250 3740 1410 1480 8750 4420 4300 4870 2270 4400 4850 1280 26 801 4640 4070 918 8650 1350 1660 2660 3160 603 3160 652 27 849 4870 4600 3500 8350 4770 8640 3130 609 10000 3790 646 28 1600 1540 3780 8240 6430 5990 11200 4000 547 13100 2950 4650 29 1750 3060 918 8610 1610 1050 11400 1340 773 11300 914 3630 30 2740 1940 4010 8970 --- 4570 11400 582 729 9490 788 5740 31 2030 --- 4710 8970 --- 6080 --- 726 --- 6620 7500 --- TOTAL 72316 79887 108494 151426 140598 135499 218370 92257 83964 124704 158898 120440 MEAN 2333 2663 3500 4885 4848 4371 7279 2976 2799 4023 5126 4015 MAX 4980 4980 5900 8970 8750 7900 18700 8700 6840 13100 10500 10500 MIN 767 790 890 858 928 845 579 582 547 578 549 587 CFSM 0.76 0.87 1.15 1.60 1.59 1.43 2.39 0.98 0.92 1.32 1.68 1.32 IN. 0.88 0.97 1.32 1.85 1.71 1.65 2.66 1.13 1.02 1.52 1.94 1.47 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1964, BY WATER YEAR (WY) MEAN 3342 3329 3920 4779 6182 6713 6187 4408 3834 3333 3739 3361 MAX 10680 8291 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1948 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 721 858 1042 1415 2030 2185 2683 2307 1216 1239 1224 998 (WY) 1955 1955 1956 1956 1963 1896 1896 1896 1956 1956 1962 1954 SUMMARY STATISTICS FOR 1963 CALENDAR YEAR FOR 1964 WATER YEAR WATER YEARS 1896 - 1964 ANNUAL TOTAL 1067107 1486853 ANNUAL MEAN 2924 4062 4424 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 2082 1955 HIGHEST DAILY MEAN 12300 Mar 7 18700 Apr 8 127000 May 23 1901 LOWEST DAILY MEAN 672 May 12 547 Jun 28 490 Oct 21 1954 ANNUAL SEVEN-DAY MINIMUM 1290 May 11 755 Jun 27 541 Oct 19 1954 MAXIMUM PEAK FLOW 151000 May 23 1901 MAXIMUM PEAK STAGE 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 0.959 1.33 1.45 ANNUAL RUNOFF (INCHES) 13.02 18.13 19.71 10 PERCENT EXCEEDS 5770 8480 8430 50 PERCENT EXCEEDS 2310 3740 3410 90 PERCENT EXCEEDS 867 771 1070 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1964 TO SEPTEMBER 1965 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 6260 5100 10600 12000 4740 6500 11900 728 3810 5100 685 3770 2 6550 8640 11300 12500 5180 6200 8080 663 822 3030 6390 4910 3 3240 9680 10900 11700 3020 754 7280 5700 1990 1030 7190 5360 4 1920 11000 8320 12900 4360 9520 1970 4980 676 638 6830 803 5 3320 11000 2240 12700 2970 10600 8960 3490 566 676 6320 582 6 7900 11200 1260 9600 2240 6570 9080 4610 590 4340 3840 562 7 10200 11100 8520 11600 920 6270 6240 3830 4060 7360 814 4220 8 5080 6460 10100 11200 4700 7000 9680 676 1450 8200 590 4610 9 11400 8880 10900 6760 6960 5040 11300 650 2240 7560 6190 6420 10 11700 10700 9600 767 9640 4760 6020 4980 2350 3280 6730 7510 11 11300 11200 7080 8760 10100 3540 728 4950 2350 6350 6540 4300 12 9480 11100 2350 11100 11100 4550 9320 4200 676 10100 5250 756 13 10400 7200 767 11000 5200 3230 8840 1810 715 9560 4000 5950 14 7520 1790 5530 11300 6530 728 8640 3830 3590 11000 1200 5720 15 10900 715 7000 10900 8400 3160 5670 2180 4110 10400 576 4720 16 8760 5200 5950 5630 11600 2520 7880 663 7560 8280 5600 4820 17 27100 5010 6350 1910 11000 1330 3460 5170 9320 5770 5470 3780 18 17400 5300 6840 9640 10600 5530 1870 4760 7560 578 5800 3190 19 17600 5430 5170 11000 7680 5700 3940 4850 1440 6570 4410 1170 20 6570 5200 2140 9200 1010 9120 5810 6160 578 6510 4240 6210 21 10100 2610 7080 6880 741 10800 6760 6020 7880 7690 5430 5510 22 12200 950 7560 6270 8200 5980 4520 3280 8240 5760 2170 3470 23 12300 4310 7080 1930 8440 4140 2410 728 6380 3680 6200 3960 24 12100 4290 808 822 5100 2770 2700 6650 3750 2240 8680 2010 25 11200 3590 767 8620 3540 1370 702 5430 1490 608 8220 582 26 12600 1040 1300 10800 8520 3510 4310 6460 965 3970 5970 676 27 12700 5740 1090 9680 5880 9480 8520 5230 995 5280 7500 653 28 12000 8560 780 9840 836 8680 8560 5140 5950 7480 3790 2970 29 13000 3310 5530 5170 --- 9040 6530 1850 5840 6430 632 2760 30 12200 7520 10900 3960 --- 11900 5230 702 7960 7200 5530 2760 31 12500 --- 11600 2580 --- 12000 --- 2180 --- 4320 6060 --- TOTAL 327500 193825 187412 258719 169207 182292 186910 112550 105903 170990 148847 104714 MEAN 10560 6461 6046 8346 6043 5880 6230 3631 3530 5516 4802 3490 MAX 27100 11200 11600 12900 11600 12000 11900 6650 9320 11000 8680 7510 MIN 1920 715 767 767 741 728 702 650 566 578 576 562 CFSM 3.46 2.12 1.98 2.74 1.98 1.93 2.04 1.19 1.16 1.81 1.57 1.14 IN. 3.99 2.36 2.29 3.16 2.06 2.22 2.28 1.37 1.29 2.09 1.82 1.28 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1965, BY WATER YEAR (WY) MEAN 3583 3433 3991 4898 6177 6686 6189 4383 3824 3404 3773 3366 MAX 10680 8291 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1948 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 721 858 1042 1415 2030 2185 2683 2307 1216 1239 1224 998 (WY) 1955 1955 1956 1956 1963 1896 1896 1896 1956 1956 1962 1954 SUMMARY STATISTICS FOR 1964 CALENDAR YEAR FOR 1965 WATER YEAR WATER YEARS 1896 - 1965 ANNUAL TOTAL 1934893 2148869 ANNUAL MEAN 5287 5887 4472 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 2082 1955 HIGHEST DAILY MEAN 27100 Oct 17 27100 Oct 17 127000 May 23 1901 LOWEST DAILY MEAN 547 Jun 28 562 Sep 6 490 Oct 21 1954 ANNUAL SEVEN-DAY MINIMUM 755 Jun 27 1450 Jun 2 541 Oct 19 1954 MAXIMUM PEAK FLOW 151000 May 23 1901 MAXIMUM PEAK STAGE 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 1.73 1.93 1.47 ANNUAL RUNOFF (INCHES) 23.60 26.21 19.92 10 PERCENT EXCEEDS 10600 11100 8610 50 PERCENT EXCEEDS 4760 5630 3470 90 PERCENT EXCEEDS 766 775 1070 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1965 TO SEPTEMBER 1966 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 3350 4010 3990 649 3090 4620 2700 660 4830 3910 1430 3640 2 1690 4420 3150 660 3950 7980 1750 2640 3670 696 1360 4790 3 672 4480 1950 1130 3400 9940 1090 2700 3570 696 1300 1030 4 3910 4970 1140 3930 4720 3400 943 649 616 1810 1210 1140 5 6950 4130 1170 4330 2400 7880 4700 660 594 1990 1100 684 6 6730 1490 2340 3730 732 4880 2840 649 1900 1530 649 1590 7 6900 708 3490 3050 1970 7040 2060 708 4730 1410 732 1200 8 6520 3850 3980 5390 820 8190 2210 660 3540 1460 1420 1460 9 1580 4290 3460 1130 1680 11400 672 5460 1580 583 1150 1100 10 672 4170 2110 4590 1540 12600 732 5130 1790 616 1880 708 11 6150 3060 3250 4870 1500 13100 708 1270 660 5610 1930 649 12 6710 4850 744 5230 976 10800 672 1310 605 7730 1920 2230 13 5430 780 1500 5140 4400 5550 1740 1780 3240 5760 720 2140 14 4470 672 3890 2940 8500 9860 5190 1420 2360 7540 583 2970 15 3340 4540 4220 3860 7360 8640 2650 684 1710 6270 2960 4720 16 3010 3270 4590 756 9990 7040 1400 696 2740 756 4360 3920 17 732 3240 2390 1840 7690 8690 1130 1400 1650 638 3760 3080 18 5780 5270 2410 5280 6200 8000 3660 2310 660 4190 4100 756 19 4650 2630 938 5050 12200 3460 1180 2910 616 5630 2530 1770 20 6050 918 4300 3950 11700 732 1460 1140 2090 5540 815 2860 21 4490 708 2630 3700 8360 5370 1250 732 2200 1890 572 5400 22 4050 744 2890 1990 4590 5660 720 627 4360 2400 4040 5840 23 2720 5110 1840 696 6480 5960 649 1550 3930 732 5380 5470 24 744 4210 638 5130 1840 5150 720 1460 3480 616 4770 4140 25 4540 1950 649 5790 6220 4960 638 2500 4440 4180 4660 660 26 4480 4270 819 6340 8860 4480 814 2990 684 3290 1510 3270 27 4250 2270 2000 3820 7340 909 1300 4800 4230 3920 660 4170 28 3640 649 3300 2770 4190 5020 5060 3440 4330 4990 594 4970 29 3490 4160 3750 1990 --- 6590 3200 3060 4180 2490 1500 5110 30 627 5310 1770 2740 --- 6990 1670 5590 4060 708 1500 3270 31 660 --- 696 4490 --- 5270 --- 5400 --- 627 1590 --- TOTAL 118987 95129 75994 106961 142698 210161 55508 66985 79045 90208 62685 84737 MEAN 3838 3171 2451 3450 5096 6779 1850 2161 2635 2910 2022 2825 MAX 6950 5310 4590 6340 12200 13100 5190 5590 4830 7730 5380 5840 MIN 627 649 638 649 732 732 638 627 594 583 572 649 CFSM 1.26 1.04 0.80 1.13 1.67 2.22 0.61 0.71 0.86 0.95 0.66 0.93 IN. 1.45 1.16 0.93 1.30 1.74 2.56 0.68 0.82 0.96 1.10 0.76 1.03 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1966, BY WATER YEAR (WY) MEAN 3591 3425 3941 4852 6143 6689 6053 4313 3787 3388 3718 3349 MAX 10680 8291 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1948 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 721 858 1042 1415 2030 2185 1850 2161 1216 1239 1224 998 (WY) 1955 1955 1956 1956 1963 1896 1966 1966 1956 1956 1962 1954 SUMMARY STATISTICS FOR 1965 CALENDAR YEAR FOR 1966 WATER YEAR WATER YEARS 1896 - 1966 ANNUAL TOTAL 1730242 1189098 ANNUAL MEAN 4740 3258 4433 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 2082 1955 HIGHEST DAILY MEAN 12900 Jan 4 13100 Mar 11 127000 May 23 1901 LOWEST DAILY MEAN 562 Sep 6 572 Aug 21 490 Oct 21 1954 ANNUAL SEVEN-DAY MINIMUM 1450 Jun 2 870 Apr 21 541 Oct 19 1954 MAXIMUM PEAK FLOW 151000 May 23 1901 MAXIMUM PEAK STAGE 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 1.55 1.07 1.45 ANNUAL RUNOFF (INCHES) 21.10 14.50 19.75 10 PERCENT EXCEEDS 9380 6210 8570 50 PERCENT EXCEEDS 4360 2960 3460 90 PERCENT EXCEEDS 723 672 1060 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1966 TO SEPTEMBER 1967 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 756 3860 8960 605 3970 4980 744 638 638 638 5300 10300 2 638 4080 7470 1930 4230 5980 672 649 696 583 5300 864 3 3360 4550 5550 3510 4670 3640 720 660 660 616 4850 696 4 3890 4110 2240 5940 1070 720 720 684 768 744 3750 2500 5 4140 2200 6630 6250 696 720 995 638 1470 583 627 4310 6 3380 1620 5710 3110 2160 906 1400 660 3360 572 684 5360 7 1010 5620 5750 1540 3970 1580 892 720 2750 1830 4000 5200 8 672 5420 6490 672 5980 3700 672 684 878 8210 5580 4920 9 780 4850 6390 3620 7260 2410 696 920 1580 1950 5010 5390 10 1090 5680 660 4760 4030 1060 2790 1510 616 4890 2630 2730 11 649 3230 594 5810 1970 756 1200 3970 660 4980 1490 7120 12 672 1530 6150 7540 1260 744 935 2910 4430 4490 732 11800 13 1260 684 7300 5460 3940 892 3110 808 4230 2770 684 11700 14 2840 5140 7230 616 3750 1180 756 684 2120 4340 2460 7050 15 1640 5650 7680 616 2590 2960 672 3080 638 1690 3670 5390 16 808 6150 7370 4700 1380 3920 672 1640 732 616 3510 1030 17 3540 6420 2750 4580 4230 3890 6180 980 638 4460 1910 616 18 3460 6770 572 3920 1040 2370 2430 1950 638 4140 2390 6420 19 1440 6460 6320 4520 1030 1450 1350 2680 1930 1560 672 7120 20 4260 808 6080 4290 3130 6530 1530 616 756 2030 756 7370 21 2960 6560 5550 1490 6280 965 720 660 850 3130 1530 6390 22 1330 5260 5880 594 7330 1600 672 2310 720 616 2430 5010 23 696 6180 3080 1070 8560 1730 638 2960 878 732 12000 1040 24 4340 5680 1710 660 7510 836 906 1620 995 5070 9600 808 25 3640 6420 1530 1580 4700 708 822 684 708 4310 10700 2080 26 2480 5260 550 2100 1260 732 1470 2240 732 4430 7790 3410 27 6530 732 5550 1810 6460 935 1850 864 3130 4400 5650 3410 28 4140 5490 5780 1770 5330 4080 980 660 2570 4670 4820 5650 29 965 6460 6670 638 --- 4370 672 3920 2660 756 7820 2050 30 756 7330 6880 3670 --- 1170 660 684 1990 744 8100 1710 31 3730 --- 4200 5780 --- 672 --- 605 --- 4110 9520 --- TOTAL 71852 140204 155276 95151 109786 68186 38526 44288 45421 84660 135965 139444 MEAN 2318 4673 5009 3069 3921 2200 1284 1429 1514 2731 4386 4648 MAX 6530 7330 8960 7540 8560 6530 6180 3970 4430 8210 12000 11800 MIN 638 684 550 594 696 672 638 605 616 572 627 616 CFSM 0.76 1.53 1.64 1.01 1.29 0.72 0.42 0.47 0.50 0.90 1.44 1.52 IN. 0.88 1.71 1.89 1.16 1.34 0.83 0.47 0.54 0.55 1.03 1.66 1.70 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1967, BY WATER YEAR (WY) MEAN 3552 3464 3974 4796 6074 6548 5908 4226 3718 3368 3739 3388 MAX 10680 8291 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1948 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 721 858 1042 1415 2030 2185 1284 1429 1216 1239 1224 998 (WY) 1955 1955 1956 1956 1963 1896 1967 1967 1956 1956 1962 1954 SUMMARY STATISTICS FOR 1966 CALENDAR YEAR FOR 1967 WATER YEAR WATER YEARS 1896 - 1967 ANNUAL TOTAL 1266320 1128759 ANNUAL MEAN 3469 3092 4391 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 2082 1955 HIGHEST DAILY MEAN 13100 Mar 11 12000 Aug 23 127000 May 23 1901 LOWEST DAILY MEAN 550 Dec 26 550 Dec 26 490 Oct 21 1954 ANNUAL SEVEN-DAY MINIMUM 870 Apr 21 656 Apr 30 541 Oct 19 1954 MAXIMUM PEAK FLOW 151000 May 23 1901 MAXIMUM PEAK STAGE 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 1.14 1.01 1.44 ANNUAL RUNOFF (INCHES) 15.44 13.77 19.56 10 PERCENT EXCEEDS 6650 6460 8480 50 PERCENT EXCEEDS 3080 2410 3430 90 PERCENT EXCEEDS 672 660 1030 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1967 TO SEPTEMBER 1968 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 605 6080 4110 10100 9250 5090 2980 2110 761 3300 5450 754 2 3640 5850 2680 8450 5510 1200 5400 3010 719 4030 3560 679 3 5940 3430 965 12900 6090 817 6090 2140 4730 4210 805 2930 4 5980 1010 4340 12300 2230 3200 4110 814 6150 2250 686 5560 5 5910 708 3260 8630 6410 1320 779 785 3160 3720 5930 5720 6 5520 6080 3750 8730 7910 2040 2830 2450 5010 4960 7550 3130 7 2160 6080 2570 4340 8160 3960 784 2710 3190 1770 8270 1020 8 672 6630 1250 7510 7080 2050 4480 1280 695 3160 8760 628 9 3860 6420 850 10900 8360 708 3210 3640 863 3570 7700 1830 10 5620 4700 965 5980 2970 758 4590 3440 7080 4010 4040 1170 11 5490 2350 4700 8000 1110 814 2940 773 936 5380 898 1740 12 4950 744 6180 6980 7780 1420 976 892 4150 3620 1260 2780 13 5200 5490 8630 2240 8200 5200 721 6460 5120 2900 3950 1760 14 906 6180 7020 3230 8110 7210 720 4670 6350 937 5550 714 15 672 6010 6460 5780 7890 6200 689 6090 7690 4960 5180 707 16 4060 6280 3640 11000 5190 3800 1550 7230 1930 4730 3370 2100 17 4430 4850 864 10200 780 831 5050 6500 4270 5730 2770 3140 18 5520 1710 4730 11800 758 7410 6120 1880 4810 4720 871 2690 19 4310 684 7120 7840 6880 7110 2590 684 4230 3860 5830 4050 20 2860 5170 8770 4380 6000 5010 2630 626 4630 3780 6110 2620 21 1830 6280 5520 1040 6400 3140 745 5530 922 509 7450 906 22 794 5140 1330 4900 4020 2460 3050 5140 708 5670 7590 1050 23 1890 1910 1040 5330 4800 2850 3280 4220 1100 5700 5980 3870 24 5850 4290 1870 7390 1900 746 3560 4480 4600 6730 3370 5500 25 6910 794 756 8010 807 6400 3080 947 3840 7590 833 6580 26 6950 708 4610 12800 3780 6160 1720 716 5010 6390 6130 5420 27 5360 6250 6010 7830 4250 6300 851 1650 4890 3900 886 2950 28 2290 7230 7260 1600 5380 5940 993 1180 801 874 818 824 29 864 6630 6910 7240 6260 5530 3540 772 893 4390 801 820 30 5260 6390 10300 6480 --- 946 3150 726 1170 975 1690 2030 31 5460 --- 12200 7270 --- 774 --- 778 --- 2970 798 --- TOTAL 121763 132078 140660 231180 154265 107394 83208 84323 100408 121295 124886 75672 MEAN 3928 4403 4537 7457 5319 3464 2774 2720 3347 3913 4029 2522 MAX 6950 7230 12200 12900 9250 7410 6120 7230 7690 7590 8760 6580 MIN 605 684 756 1040 758 708 689 626 695 509 686 628 CFSM 1.29 1.44 1.49 2.45 1.74 1.14 0.91 0.89 1.10 1.28 1.32 0.83 IN. 1.49 1.61 1.72 2.82 1.88 1.31 1.01 1.03 1.22 1.48 1.52 0.92 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1968, BY WATER YEAR (WY) MEAN 3563 3492 3991 4876 6050 6455 5816 4181 3707 3384 3747 3363 MAX 10680 8291 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1948 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 721 858 1042 1415 2030 2185 1284 1429 1216 1239 1224 998 (WY) 1955 1955 1956 1956 1963 1896 1967 1967 1956 1956 1962 1954 SUMMARY STATISTICS FOR 1967 CALENDAR YEAR FOR 1968 WATER YEAR WATER YEARS 1896 - 1968 ANNUAL TOTAL 1155928 1477132 ANNUAL MEAN 3167 4036 4381 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 2082 1955 HIGHEST DAILY MEAN 12200 Dec 31 12900 Jan 3 127000 May 23 1901 LOWEST DAILY MEAN 572 Jul 6 509 Jul 21 490 Oct 21 1954 ANNUAL SEVEN-DAY MINIMUM 656 Apr 30 918 Aug 27 541 Oct 19 1954 MAXIMUM PEAK FLOW 151000 May 23 1901 MAXIMUM PEAK STAGE 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 1.04 1.32 1.44 ANNUAL RUNOFF (INCHES) 14.10 18.02 19.51 10 PERCENT EXCEEDS 6440 7420 8400 50 PERCENT EXCEEDS 2430 3960 3450 90 PERCENT EXCEEDS 672 780 1020 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1968 TO SEPTEMBER 1969 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 3900 3050 1530 3460 920 2960 4580 7390 2050 3930 1020 766 2 3100 1060 2550 4840 985 1340 5780 4380 4700 3490 778 3070 3 4360 1230 4180 2690 10200 7530 4880 2370 1050 4990 829 1860 4 2570 4510 3980 3930 9140 8110 5160 803 2840 2270 790 4840 5 1440 4320 5770 2080 11700 8330 1390 5920 2010 2200 5020 1340 6 778 4270 2050 7020 8340 6810 1120 7440 2230 1330 5880 2760 7 3140 4330 3160 6990 5010 3520 4750 7240 4270 6260 5390 1180 8 3740 3270 2360 6070 1290 1590 6340 3750 2070 7920 6950 6380 9 4980 1300 5110 2080 1420 1110 7030 3410 3820 1690 6110 6380 10 3360 855 7010 4200 4170 6930 3760 842 1830 5750 1060 5050 11 2030 7520 7380 2610 4380 5870 3190 803 7120 5490 6100 1790 12 2390 7240 4500 1040 4200 5590 1190 5630 8370 3880 3360 1660 13 829 7690 1710 5990 4930 3070 1110 3730 7920 2600 829 754 14 3420 7970 2100 6090 3900 1850 7290 5740 5280 6050 3060 766 15 3870 3880 2460 6690 1580 1400 7380 3010 6580 6790 907 3550 16 4230 1970 5660 3800 894 1920 1760 855 7620 5940 3230 6710 17 6310 803 4910 3230 2710 3770 1200 829 4440 7000 907 8180 18 5400 2070 2690 778 5140 5030 4580 920 5550 5000 7050 7710 19 1790 3960 959 816 5630 2990 6890 2760 5190 2570 7140 6240 20 829 4810 2230 5100 1640 5110 5510 6790 3890 1290 5980 3440 21 1530 6020 1850 1530 6690 6100 3690 7490 5010 5710 6390 959 22 2340 3010 1560 5760 1450 3480 7810 6660 933 5130 6040 5170 23 2230 2950 1060 4730 985 3160 9660 4790 7170 5370 920 3130 24 1950 1130 1230 3320 7070 6490 10700 2280 7360 4450 742 3660 25 1850 2360 1090 1710 7150 6650 10900 985 8710 4820 855 6270 26 1450 3820 972 1180 6620 7580 4880 6630 11900 742 4030 3370 27 766 2730 816 5730 6250 8000 1710 6520 11700 868 1130 2370 28 2030 1860 2810 5500 3290 6000 8760 6170 7540 1620 868 959 29 4140 881 894 5950 --- 3780 8850 7920 1260 1250 730 3350 30 6380 1940 3490 1180 --- 1200 7010 3820 4340 5410 855 4530 31 2950 --- 3910 790 --- 7400 --- 4250 --- 2830 766 --- TOTAL 90082 102809 91981 116884 127684 144670 158860 132127 154753 124640 95716 108194 MEAN 2906 3427 2967 3770 4560 4667 5295 4262 5158 4021 3088 3606 MAX 6380 7970 7380 7020 11700 8330 10900 7920 11900 7920 7140 8180 MIN 766 803 816 778 894 1110 1110 803 933 742 730 754 CFSM 0.95 1.12 0.97 1.24 1.50 1.53 1.74 1.40 1.69 1.32 1.01 1.18 IN. 1.10 1.25 1.12 1.43 1.56 1.76 1.94 1.61 1.89 1.52 1.17 1.32 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1969, BY WATER YEAR (WY) MEAN 3544 3490 3961 4844 6007 6402 5801 4184 3749 3402 3728 3370 MAX 10680 8291 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1948 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 721 858 1042 1415 2030 2185 1284 1429 1216 1239 1224 998 (WY) 1955 1955 1956 1956 1963 1896 1967 1967 1956 1956 1962 1954 SUMMARY STATISTICS FOR 1968 CALENDAR YEAR FOR 1969 WATER YEAR WATER YEARS 1896 - 1969 ANNUAL TOTAL 1367503 1448400 ANNUAL MEAN 3736 3968 4368 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 2082 1955 HIGHEST DAILY MEAN 12900 Jan 3 11900 Jun 26 127000 May 23 1901 LOWEST DAILY MEAN 509 Jul 21 730 Aug 29 490 Oct 21 1954 ANNUAL SEVEN-DAY MINIMUM 918 Aug 27 1170 Aug 27 541 Oct 19 1954 MAXIMUM PEAK FLOW 151000 May 23 1901 MAXIMUM PEAK STAGE 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 1.23 1.30 1.43 ANNUAL RUNOFF (INCHES) 16.68 17.67 19.46 10 PERCENT EXCEEDS 7400 7320 8300 50 PERCENT EXCEEDS 3290 3760 3460 90 PERCENT EXCEEDS 802 920 1020 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1969 TO SEPTEMBER 1970 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 6770 1110 3180 5710 985 1150 9480 7160 1320 8590 4290 12200 2 7510 778 3060 7540 1040 4310 3860 829 4610 7580 790 8520 3 8000 5520 2260 2590 2730 3310 8560 842 2410 3280 6420 8380 4 3830 7230 5850 1730 8380 4260 1080 3700 3110 4370 6490 6630 5 1230 7020 4030 8030 8140 907 842 4820 2790 1020 6530 855 6 3670 6390 2980 6740 5490 972 5880 3780 933 1220 2240 790 7 4760 3280 3180 8560 1110 816 4290 3280 855 1120 5200 742 8 6150 1230 7160 10800 829 868 4000 5420 2500 2980 766 6560 9 6010 855 6080 12500 3920 868 2160 868 1300 3810 730 5810 10 3860 5360 6980 13600 6910 2160 2770 754 3860 855 3160 8140 11 894 5260 3490 4670 3830 1060 842 6670 3620 816 12600 5810 12 842 4140 8450 6700 4920 3810 1060 7790 3210 754 12300 1260 13 5910 6950 4920 6950 3360 2790 6420 8660 985 5170 8660 778 14 6670 4850 3210 5910 816 803 3970 9400 881 5010 10700 7510 15 5260 6600 4760 5230 907 1350 1180 6390 778 6460 12200 7020 16 4370 1850 4400 4310 7190 8520 1360 842 1330 6910 11300 8210 17 2310 5330 3920 920 3260 8590 920 842 5420 1050 9680 7260 18 1660 7400 7160 1160 9040 8920 766 6110 8520 790 8520 8380 19 894 7680 3280 3890 7190 6250 766 5200 7260 754 5810 6150 20 1290 5750 2070 7400 3360 1410 1040 7370 1120 5520 7890 829 21 1180 6150 1040 8170 2200 1790 907 8310 754 2540 8140 9200 22 5910 3640 1470 9640 1250 1150 4490 8770 6150 842 1180 13800 23 6910 946 3280 8380 1290 3330 5010 4790 4110 3640 1790 14200 24 4460 5620 946 5880 4640 12800 1740 868 3730 5490 6010 9440 25 2180 3110 1690 1730 4000 11700 766 5620 2090 816 5300 10600 26 790 3730 3360 1580 6350 3110 920 4890 670 706 2570 5750 27 5810 2220 6740 2960 4700 1740 6950 2630 682 7370 6180 803 28 7750 2680 4700 1330 4140 803 7440 2120 742 8420 3560 1330 29 8520 1110 4920 842 --- 829 7820 766 1480 7930 1290 1500 30 6880 829 3920 1510 --- 790 8140 742 4230 7400 855 790 31 6110 --- 4000 1970 --- 6490 --- 766 --- 8520 9200 --- TOTAL 138390 124618 126486 168932 111977 107656 105429 130999 81450 121733 182351 179247 MEAN 4464 4154 4080 5449 3999 3473 3514 4226 2715 3927 5882 5975 MAX 8520 7680 8450 13600 9040 12800 9480 9400 8520 8590 12600 14200 MIN 790 778 946 842 816 790 766 742 670 706 730 742 CFSM 1.46 1.36 1.34 1.79 1.31 1.14 1.15 1.39 0.89 1.29 1.93 1.96 IN. 1.69 1.52 1.54 2.06 1.37 1.31 1.29 1.60 0.99 1.48 2.22 2.19 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1970, BY WATER YEAR (WY) MEAN 3570 3509 3965 4861 5950 6319 5738 4185 3720 3417 3788 3442 MAX 10680 8291 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1948 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 721 858 1042 1415 2030 2185 1284 1429 1216 1239 1224 998 (WY) 1955 1955 1956 1956 1963 1896 1967 1967 1956 1956 1962 1954 SUMMARY STATISTICS FOR 1969 CALENDAR YEAR FOR 1970 WATER YEAR WATER YEARS 1896 - 1970 ANNUAL TOTAL 1553022 1579268 ANNUAL MEAN 4255 4327 4367 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 2082 1955 HIGHEST DAILY MEAN 11900 Jun 26 14200 Sep 23 127000 May 23 1901 LOWEST DAILY MEAN 730 Aug 29 670 Jun 26 490 Oct 21 1954 ANNUAL SEVEN-DAY MINIMUM 1170 Aug 27 991 Apr 15 541 Oct 19 1954 MAXIMUM PEAK FLOW 151000 May 23 1901 MAXIMUM PEAK STAGE 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 1.40 1.42 1.43 ANNUAL RUNOFF (INCHES) 18.94 19.26 19.45 10 PERCENT EXCEEDS 7390 8480 8320 50 PERCENT EXCEEDS 4200 3890 3460 90 PERCENT EXCEEDS 928 829 1020 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1970 TO SEPTEMBER 1971 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 1090 778 3090 4660 4950 7070 4100 813 6070 8370 2670 910 2 670 985 1220 3630 8080 6440 6330 797 6570 9440 3850 2220 3 754 718 1820 1860 2560 1920 809 770 7210 6910 1340 3840 4 778 2410 1580 4240 1620 8570 813 1140 7950 3290 3840 713 5 2140 2850 1810 1700 6920 6850 3780 5010 6850 4460 2410 678 6 2180 3590 816 5100 5330 2760 6080 3120 2160 6190 2530 1090 7 1200 1360 5270 7870 5560 7300 6800 2690 10700 4260 729 5000 8 1130 897 2070 9930 9620 10300 6270 1700 7860 6950 967 3050 9 754 2770 2600 6970 9510 9420 2710 1040 5830 6290 2590 3590 10 855 1590 1960 2960 7410 11000 1970 3970 5950 10100 5110 866 11 778 1670 1040 5230 7170 6960 873 2750 4140 12000 4860 3600 12 3900 1190 792 3510 9610 2310 806 4380 4920 7110 1190 976 13 4190 879 758 5540 7480 783 3190 5420 892 4140 1020 1380 14 2840 802 3890 4360 6450 1060 4780 3730 8000 1930 739 1740 15 790 819 4330 3520 7470 2990 4200 8690 7590 1870 736 6710 16 730 2570 1130 4200 3660 4350 5430 15600 6400 1550 688 2970 17 778 5360 2310 836 3720 5260 1090 7530 936 7590 762 4920 18 718 4920 1150 6090 3450 4930 828 7970 2450 6680 685 918 19 1160 3810 748 6300 2960 6120 5440 10500 4240 4590 795 864 20 985 2210 851 6000 1500 3480 7240 11000 1060 2810 5380 7080 21 790 782 2640 4900 797 1240 1650 11000 7790 1060 6090 5840 22 694 887 761 6030 3530 5070 5820 8590 7980 4880 922 7470 23 694 6760 4100 3750 4890 3800 7430 5740 2880 967 4530 7990 24 754 5900 946 2600 4300 5830 2580 6750 7330 810 720 7950 25 730 6360 1170 2980 5960 6480 808 7460 9950 2090 1830 3180 26 1420 1930 4190 2720 7790 5070 1540 6070 12300 908 982 1110 27 1810 818 1570 6020 1570 5190 3120 6790 2330 983 1340 7390 28 920 772 3660 7630 890 2240 4290 2280 8210 5650 1880 6580 29 718 786 4430 3800 --- 2400 2640 2310 9620 5480 689 7470 30 1340 1710 5490 1570 --- 5900 2840 924 9540 5790 1650 5870 31 920 --- 5440 1720 --- 6170 --- 6120 --- 2720 3020 --- TOTAL 39210 68883 73632 138226 144757 159263 106257 162654 185708 147868 66544 113965 MEAN 1265 2296 2375 4459 5170 5138 3542 5247 6190 4770 2147 3799 MAX 4190 6760 5490 9930 9620 11000 7430 15600 12300 12000 6090 7990 MIN 670 718 748 836 797 783 806 770 892 810 685 678 CFSM 0.41 0.75 0.78 1.46 1.70 1.68 1.16 1.72 2.03 1.56 0.70 1.25 IN. 0.48 0.84 0.90 1.69 1.77 1.94 1.30 1.98 2.27 1.80 0.81 1.39 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1971, BY WATER YEAR (WY) MEAN 3506 3476 3920 4850 5928 6286 5679 4214 3787 3454 3744 3452 MAX 10680 8291 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1948 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 721 858 1042 1415 2030 2185 1284 1429 1216 1239 1224 998 (WY) 1955 1955 1956 1956 1963 1896 1967 1967 1956 1956 1962 1954 SUMMARY STATISTICS FOR 1970 CALENDAR YEAR FOR 1971 WATER YEAR WATER YEARS 1896 - 1971 ANNUAL TOTAL 1371499 1406967 ANNUAL MEAN 3758 3855 4353 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 2082 1955 HIGHEST DAILY MEAN 14200 Sep 23 15600 May 16 127000 May 23 1901 LOWEST DAILY MEAN 670 Jun 26 670 Oct 2 490 Oct 21 1954 ANNUAL SEVEN-DAY MINIMUM 828 Oct 18 775 Aug 13 541 Oct 19 1954 MAXIMUM PEAK FLOW 151000 May 23 1901 MAXIMUM PEAK STAGE 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 1.23 1.26 1.43 ANNUAL RUNOFF (INCHES) 16.73 17.16 19.39 10 PERCENT EXCEEDS 8400 7610 8300 50 PERCENT EXCEEDS 2730 3180 3460 90 PERCENT EXCEEDS 778 794 1000 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1971 TO SEPTEMBER 1972 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 5790 8320 6620 5360 7300 6840 2840 1730 4080 3510 4000 1970 2 2040 10700 7540 2490 4650 6460 855 1760 3490 1360 5550 1850 3 934 11600 7410 6740 1960 6150 2200 2890 829 3510 6600 1060 4 7370 9390 7450 6840 1710 5680 7750 4000 946 2030 6320 816 5 7490 8790 5570 5940 6490 1290 4850 1970 6150 2610 2960 766 6 7150 7570 5130 7410 6590 6600 1130 742 5040 4260 1920 2430 7 2200 5450 2320 5620 11100 7260 2590 778 4460 2660 7190 1410 8 5190 7170 10800 4960 12500 4030 4610 5550 3210 1920 5980 790 9 2100 8640 11700 965 9090 6390 1040 6880 5140 2660 3030 1880 10 1180 9080 10400 5720 7890 6040 5230 8350 4140 3060 881 855 11 1380 7960 8790 1060 6590 4110 3060 7120 1090 4980 855 2980 12 1530 2790 4380 3060 8000 894 4890 4290 3130 4640 3490 1380 13 3510 3750 8980 9110 2450 3780 1440 1970 5360 6250 855 6250 14 9570 1620 8500 7160 4580 2200 3010 6670 6560 4670 5330 5360 15 5680 3680 8400 4310 5270 4170 2660 11400 7470 3330 3330 3080 16 4700 5780 7540 10500 5900 4230 868 8450 5390 1260 1350 5420 17 6720 6280 7590 11100 6970 5170 5880 10800 1640 560 3920 2660 18 8670 5700 3960 10900 6130 3110 4580 11300 933 3780 4200 8070 19 10300 6870 2160 10800 7070 1020 4950 11300 4950 3890 5810 7580 20 10700 2800 7420 8460 4110 3750 6110 9360 7510 4580 1710 1050 21 9290 1610 10100 6900 7330 3940 2290 7960 13500 7190 3280 3230 22 8580 6720 11300 2960 7190 3890 3700 11400 16000 8240 2030 4850 23 6280 7660 8880 1490 8840 6250 829 9480 16900 8170 2860 2290 24 7060 7440 943 5000 9040 4290 4340 10800 10700 7330 4890 790 25 7960 4120 832 6000 6700 6420 2220 11000 10200 4760 1790 5710 26 7920 3150 817 7400 2890 1290 2680 7050 12100 4370 2980 7820 27 11300 1840 3920 7800 998 5580 2500 2660 11800 2980 3460 8490 28 11300 1800 3550 4900 5710 5390 2260 829 10900 1790 5680 6110 29 9710 6400 4050 5880 6150 5940 1130 4520 12000 3260 4730 1420 30 2870 6860 4310 1480 --- 3730 933 7440 9520 3010 3280 1200 31 1270 --- 2120 5670 --- 6770 --- 6040 --- 4430 3700 --- TOTAL 187744 181540 193482 183985 181198 142664 93425 196489 205138 121050 113961 99567 MEAN 6056 6051 6241 5935 6248 4602 3114 6338 6838 3905 3676 3319 MAX 11300 11600 11700 11100 12500 7260 7750 11400 16900 8240 7190 8490 MIN 934 1610 817 965 998 894 829 742 829 560 855 766 CFSM 1.99 1.98 2.05 1.95 2.05 1.51 1.02 2.08 2.24 1.28 1.21 1.09 IN. 2.29 2.21 2.36 2.24 2.21 1.74 1.14 2.40 2.50 1.48 1.39 1.21 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1972, BY WATER YEAR (WY) MEAN 3575 3545 3983 4879 5937 6240 5611 4270 3867 3465 3742 3448 MAX 10680 8291 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1948 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 721 858 1042 1415 2030 2185 1284 1429 1216 1239 1224 998 (WY) 1955 1955 1956 1956 1963 1896 1967 1967 1956 1956 1962 1954 SUMMARY STATISTICS FOR 1971 CALENDAR YEAR FOR 1972 WATER YEAR WATER YEARS 1896 - 1972 ANNUAL TOTAL 1788008 1900243 ANNUAL MEAN 4899 5192 4376 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 2082 1955 HIGHEST DAILY MEAN 15600 May 16 16900 Jun 23 127000 May 23 1901 LOWEST DAILY MEAN 678 Sep 5 560 Jul 17 490 Oct 21 1954 ANNUAL SEVEN-DAY MINIMUM 775 Aug 13 1280 Sep 4 541 Oct 19 1954 MAXIMUM PEAK FLOW 151000 May 23 1901 MAXIMUM PEAK STAGE 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 1.61 1.70 1.43 ANNUAL RUNOFF (INCHES) 21.81 23.18 19.49 10 PERCENT EXCEEDS 8920 9490 8340 50 PERCENT EXCEEDS 4880 4920 3500 90 PERCENT EXCEEDS 935 1240 1010 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1972 TO SEPTEMBER 1973 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 998 4920 6700 2300 9040 4200 19400 11600 11100 5720 5670 5700 2 1590 1880 11000 5000 9280 5330 17700 11200 10600 7960 3220 1370 3 1530 1970 9240 6500 13400 5230 15600 9820 7810 8430 5240 2030 4 5650 1580 9080 6500 11100 1380 13400 9540 10900 8630 3120 8000 5 2630 920 6490 6500 6530 9280 6600 9220 10600 6830 1020 7880 6 3160 4950 10800 3000 5750 7330 9240 5050 8500 3910 6070 8560 7 985 5780 6460 800 10500 9280 10300 8520 8480 5770 5510 6930 8 842 5010 3510 2500 11200 10200 14200 7860 8660 2410 6550 6490 9 2460 3330 4790 4500 10600 9880 9200 9500 7480 6830 6080 1230 10 2770 1860 6080 5000 11100 9360 11100 9040 5860 7240 5930 4220 11 4170 2070 9520 5000 9760 10800 11000 6890 5740 6940 4670 6750 12 2500 1480 9120 5000 9840 8920 9080 4710 8570 6250 880 5770 13 1880 7330 3540 4000 11000 7540 10200 857 6280 3850 6390 3620 14 1990 4730 3360 800 9680 11000 9440 6270 6200 6140 4790 8520 15 803 5070 1190 4500 7160 10500 3360 4870 10100 1810 5190 5190 16 3430 6880 1610 5500 11200 11600 9120 6030 4020 3880 5400 4340 17 1970 3810 829 5500 10400 13400 10400 6220 2130 775 4660 6220 18 2240 3460 2570 5360 2220 24200 9960 3220 7000 4660 2130 3890 19 4030 2370 5330 2610 7750 18800 11400 817 4210 5010 1050 1330 20 4760 5880 3730 2390 6910 13000 11600 1260 4200 7140 4650 6170 21 1810 5980 3080 800 6810 14000 2220 6660 4330 6120 5360 1130 22 790 5520 4110 2000 5650 10900 933 6860 3920 1980 5070 2680 23 4580 2460 4140 2840 4640 11300 998 10100 3270 4380 2910 4960 24 6980 4460 7190 4430 3510 10100 7770 8550 1920 3380 2350 9330 25 3670 4430 6040 4440 1050 9160 7400 5310 9090 4030 3500 3610 26 4490 1730 6880 4440 3030 11000 8570 2880 9990 6360 795 2110 27 3310 4820 6320 2800 6910 11200 8450 887 7040 6390 8350 4420 28 2050 5260 6840 800 4460 12000 11000 8140 7410 4640 8470 6140 29 790 6530 5070 3000 --- 12000 5690 15800 5150 863 8470 4300 30 3780 8240 2200 4500 --- 11100 12000 21800 3690 5800 7610 871 31 3310 --- 868 7500 --- 11800 --- 13900 --- 6000 4190 --- TOTAL 85948 124710 167687 120810 220480 325790 287331 233381 204250 160128 145295 143761 MEAN 2773 4157 5409 3897 7874 10510 9578 7528 6808 5165 4687 4792 MAX 6980 8240 11000 7500 13400 24200 19400 21800 11100 8630 8470 9330 MIN 790 920 829 800 1050 1380 933 817 1920 775 795 871 CFSM 0.91 1.36 1.77 1.28 2.58 3.45 3.14 2.47 2.23 1.69 1.54 1.57 IN. 1.05 1.52 2.05 1.47 2.69 3.97 3.50 2.85 2.49 1.95 1.77 1.75 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1973, BY WATER YEAR (WY) MEAN 3554 3561 4021 4854 5988 6353 5713 4353 3943 3509 3766 3483 MAX 10680 8291 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1948 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 721 858 1042 1415 2030 2185 1284 1429 1216 1239 1224 998 (WY) 1955 1955 1956 1956 1963 1896 1967 1967 1956 1956 1962 1954 SUMMARY STATISTICS FOR 1972 CALENDAR YEAR FOR 1973 WATER YEAR WATER YEARS 1896 - 1973 ANNUAL TOTAL 1715822 2219571 ANNUAL MEAN 4688 6081 4421 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 2082 1955 HIGHEST DAILY MEAN 16900 Jun 23 24200 Mar 18 127000 May 23 1901 LOWEST DAILY MEAN 560 Jul 17 775 Jul 17 490 Oct 21 1954 ANNUAL SEVEN-DAY MINIMUM 1280 Sep 4 2120 Oct 12 541 Oct 19 1954 MAXIMUM PEAK FLOW 151000 May 23 1901 MAXIMUM PEAK STAGE 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 1.54 1.99 1.45 ANNUAL RUNOFF (INCHES) 20.93 27.07 19.69 10 PERCENT EXCEEDS 8470 11000 8510 50 PERCENT EXCEEDS 4320 5650 3540 90 PERCENT EXCEEDS 1080 1590 1010 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1973 TO SEPTEMBER 1974 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 2370 3210 2030 3780 9100 8630 9650 9420 4020 6100 2670 849 2 4200 1940 805 4340 7340 4470 9900 5860 1110 5690 3850 990 3 5980 1080 3870 7750 6370 1220 9290 6490 5550 6910 1340 3600 4 5360 672 4610 7860 6970 5700 11600 2540 7100 3290 3840 936 5 3870 3260 4060 8000 6970 8270 13900 1630 5240 4460 2410 3580 6 805 2640 4830 9600 8080 6090 18000 6870 6090 6190 2730 7180 7 707 5650 3650 8600 7340 6260 10900 6040 3040 4260 2420 3320 8 6770 1580 4030 8540 6340 5270 11000 7560 1690 6950 5370 5180 9 5200 2070 779 8380 3170 3550 11900 10300 3590 6290 7430 7040 10 2100 4430 6080 9090 7670 951 10900 6840 6660 10100 6170 6680 11 1270 1350 5270 8630 8600 7100 11100 5410 4820 12000 5470 6850 12 1300 4120 3840 5820 8200 6460 11100 5490 860 7110 6560 7140 13 707 2350 4640 6980 9110 7380 9210 6990 4330 4140 8040 7980 14 742 1960 5780 7310 10200 7440 9720 8170 3380 1930 6640 6010 15 3040 1040 6290 6120 11700 4940 8780 8310 959 1870 7860 1110 16 1680 1940 5430 5900 8140 3120 11400 8280 810 1550 6650 5030 17 1130 1760 5680 5320 3700 5150 9990 8790 817 7590 5760 5970 18 2440 767 4920 7070 8370 5580 10100 11100 3490 6680 6140 3150 19 2440 1580 5430 3050 9050 3170 9440 4490 4420 4590 3780 6720 20 1690 4290 3570 1900 6920 5480 10200 6240 4240 2810 6870 5610 21 767 7730 3520 5450 8100 6260 1050 6640 3790 1060 5120 886 22 830 2440 2960 3750 7840 5860 6900 7270 6080 4880 6570 2690 23 1160 2610 767 7400 6390 4860 6650 6500 3710 967 5530 2710 24 1830 2730 1470 8930 6250 1110 7830 8910 3030 810 5120 1960 25 1040 894 742 7970 10900 6360 10200 6400 871 2090 2250 1360 26 3730 4890 3490 5640 10400 6900 9980 975 1040 908 7380 5540 27 684 1730 6710 5290 10600 6920 3510 2210 2560 983 7160 3240 28 719 4770 5570 7030 9150 5960 817 4690 7310 5650 5930 5690 29 3810 4920 6720 7280 --- 7750 5630 7810 2850 5480 7090 3560 30 2260 3410 2780 7570 --- 6860 8050 7100 4760 5790 5980 8270 31 4000 --- 5180 8210 --- 7350 --- 7380 --- 2720 1110 --- TOTAL 74631 83813 125503 208560 222970 172421 278697 202705 108217 141848 161240 130831 MEAN 2407 2794 4048 6728 7963 5562 9290 6539 3607 4576 5201 4361 MAX 6770 7730 6720 9600 11700 8630 18000 11100 7310 12000 8040 8270 MIN 684 672 742 1900 3170 951 817 975 810 810 1110 849 CFSM 0.79 0.92 1.33 2.21 2.61 1.82 3.05 2.14 1.18 1.50 1.71 1.43 IN. 0.91 1.02 1.53 2.54 2.72 2.10 3.40 2.47 1.32 1.73 1.97 1.60 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1974, BY WATER YEAR (WY) MEAN 3524 3542 4021 4902 6038 6332 5802 4408 3934 3536 3802 3505 MAX 10680 8291 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1948 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 721 858 1042 1415 2030 2185 1284 1429 1216 1239 1224 998 (WY) 1955 1955 1956 1956 1963 1896 1967 1967 1956 1956 1962 1954 SUMMARY STATISTICS FOR 1973 CALENDAR YEAR FOR 1974 WATER YEAR WATER YEARS 1896 - 1974 ANNUAL TOTAL 2125173 1911436 ANNUAL MEAN 5822 5237 4441 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 2082 1955 HIGHEST DAILY MEAN 24200 Mar 18 18000 Apr 6 127000 May 23 1901 LOWEST DAILY MEAN 672 Nov 4 672 Nov 4 490 Oct 21 1954 ANNUAL SEVEN-DAY MINIMUM 1390 Oct 19 1390 Oct 19 541 Oct 19 1954 MAXIMUM PEAK FLOW 151000 May 23 1901 MAXIMUM PEAK STAGE 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 1.91 1.72 1.46 ANNUAL RUNOFF (INCHES) 25.92 23.31 19.79 10 PERCENT EXCEEDS 11000 9070 8520 50 PERCENT EXCEEDS 5270 5450 3590 90 PERCENT EXCEEDS 1130 1070 1010 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1974 TO SEPTEMBER 1975 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 6420 3730 3310 2890 5360 5550 16700 8790 20200 7420 6560 1290 2 5810 2090 4520 7650 4370 5940 14800 4710 19200 4410 8160 6490 3 4170 855 6110 4670 8030 7050 14800 4740 14900 4470 5450 8160 4 3210 6390 10300 1330 6180 6420 12100 12800 13700 5450 4440 7380 5 4890 2840 6700 2840 4640 5550 9430 2030 11800 2150 5200 7240 6 2120 2310 6010 6980 2770 7190 8970 6150 10100 880 1800 1850 7 5940 3430 5100 3640 8800 5980 9050 8130 7630 4800 2910 2330 8 7120 4820 4080 4230 7090 3640 10800 10100 6460 5170 4200 6700 9 4980 1880 6460 1200 6250 933 11300 9010 10800 4030 2050 2370 10 5520 894 6460 5490 11200 8560 12100 6760 11000 3600 880 2630 11 4890 6630 2980 3310 10600 9600 10200 2190 11600 6110 4830 1760 12 868 1380 3890 6350 9280 7330 6180 6350 11000 3760 5300 4890 13 1440 4730 3130 12100 6110 6320 4740 8930 12400 1690 4860 1830 14 4200 5200 1250 4730 6490 29200 7660 9390 9730 3260 6600 933 15 4200 4000 2010 6040 3210 52100 7800 8130 8380 12600 6490 803 16 6950 3460 6040 9000 946 31000 6600 9050 11300 4090 6760 3080 17 5810 4290 6560 9080 6950 20700 6180 6490 11300 1830 1740 2110 18 1160 6150 5170 6250 6600 25800 2590 9930 10000 7450 5140 5580 19 868 6180 5880 5880 1080 24400 2170 7480 10100 7950 2480 6080 20 3920 6040 1740 9640 5520 18500 2660 10000 10000 4830 4120 2370 21 5710 4290 1480 9000 6530 13800 6800 11400 9660 9050 6460 946 22 4580 907 985 9680 5780 6320 6760 11700 985 7700 4890 8860 23 6910 907 842 10900 3430 7100 6830 10200 5810 2630 6700 3390 24 5880 894 3330 5940 5750 10700 3460 5810 7240 3700 1450 1020 25 7510 3280 3010 1830 7020 18100 3980 7310 7450 5140 6350 5720 26 2050 4950 3590 959 6560 14900 880 9540 6250 4620 2890 5910 27 1500 2500 4790 5330 8030 14600 2680 10600 5680 7910 2750 4920 28 1660 842 2730 10000 5780 14500 6800 9890 3310 9010 3730 2010 29 4400 946 1060 11000 --- 13500 2130 10900 4350 8930 1230 5680 30 5170 4520 4200 11200 --- 14900 6600 16900 816 6830 2540 7950 31 2240 --- 4340 10200 --- 14900 --- 23700 --- 6010 2800 --- TOTAL 132096 101335 128057 199339 170356 425083 223750 279110 283151 167480 131760 122282 MEAN 4261 3378 4131 6430 6084 13710 7458 9004 9438 5403 4250 4076 MAX 7510 6630 10300 12100 11200 52100 16700 23700 20200 12600 8160 8860 MIN 868 842 842 959 946 933 880 2030 816 880 880 803 CFSM 1.40 1.11 1.35 2.11 1.99 4.50 2.45 2.95 3.09 1.77 1.39 1.34 IN. 1.61 1.24 1.56 2.43 2.08 5.18 2.73 3.40 3.45 2.04 1.61 1.49 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1975, BY WATER YEAR (WY) MEAN 3543 3538 4024 4940 6039 6517 5843 4520 4069 3581 3813 3518 MAX 10680 8291 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1948 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 721 858 1042 1415 2030 2185 1284 1429 1216 1239 1224 998 (WY) 1955 1955 1956 1956 1963 1896 1967 1967 1956 1956 1962 1954 SUMMARY STATISTICS FOR 1974 CALENDAR YEAR FOR 1975 WATER YEAR WATER YEARS 1896 - 1975 ANNUAL TOTAL 1988977 2363799 ANNUAL MEAN 5449 6476 4492 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 2082 1955 HIGHEST DAILY MEAN 18000 Apr 6 52100 Mar 15 127000 May 23 1901 LOWEST DAILY MEAN 810 Jun 16 803 Sep 15 490 Oct 21 1954 ANNUAL SEVEN-DAY MINIMUM 1670 Jul 21 2040 Nov 22 541 Oct 19 1954 MAXIMUM PEAK FLOW 151000 May 23 1901 MAXIMUM PEAK STAGE 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 1.79 2.12 1.47 ANNUAL RUNOFF (INCHES) 24.26 28.83 20.01 10 PERCENT EXCEEDS 9090 11300 8610 50 PERCENT EXCEEDS 5690 5810 3620 90 PERCENT EXCEEDS 1200 1600 1020 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1975 TO SEPTEMBER 1976 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 6370 5170 5900 3210 5810 3060 1070 781 3230 7450 820 1000 2 5530 2620 5500 7850 6780 4220 4470 742 4610 5440 1020 1600 3 5110 4900 5500 6440 9330 2530 3280 703 6780 918 960 1200 4 4140 5350 5900 6750 9220 2230 834 1420 8350 1160 1040 666 5 2840 5140 5470 9110 8500 3950 5530 2040 9030 975 2360 582 6 5680 5290 4640 9110 4340 876 2000 848 3540 3810 3900 642 7 6650 5140 3300 8460 5940 834 794 820 6750 6270 755 1610 8 5900 2820 6540 6540 5470 5350 1920 2080 7130 4720 666 990 9 5260 2560 5560 7420 6440 6920 1420 755 4140 5810 3450 4960 10 5620 6100 6650 6270 6710 3140 1320 1340 3500 4120 1080 1790 11 4640 4670 7700 3860 6650 3690 2000 2730 1080 5680 2690 918 12 1370 5810 3520 4290 6440 6000 4270 2580 4220 8990 3620 862 13 4240 5870 2970 5560 5500 2230 1660 3450 1000 4290 3710 946 14 6370 6370 848 4610 5590 890 781 4070 5050 4840 678 834 15 6100 5620 4020 5840 3520 3620 1640 904 4670 5530 678 1070 16 6610 6310 5870 5900 6200 1220 3980 5710 5230 1000 630 904 17 8240 8540 6510 5530 5740 2020 1810 8420 5260 2000 654 4960 18 5680 9560 8140 5710 5050 3260 848 7880 5560 848 1160 2730 19 4170 10100 6710 6440 6140 4170 2140 5080 4960 946 2300 1540 20 7310 9030 3470 5380 4050 781 4930 3500 3380 1130 4750 5840 21 5440 8950 2310 5710 4900 3380 3640 1850 6410 3830 703 1280 22 5470 5410 5350 6610 5530 3690 5020 1420 7920 3900 666 2450 23 7160 5110 4190 6780 6170 3330 4290 834 11100 3810 4130 1000 24 3710 6340 4020 4270 4930 1700 807 2620 11500 4000 4750 1870 25 3380 5810 3620 2600 6170 1290 794 848 9830 932 3200 1920 26 2950 5470 904 5620 6030 1020 742 2560 6240 904 2900 1110 27 5840 2730 5590 5900 5900 2800 755 2380 7490 4240 2400 2930 28 5350 3930 3860 6340 4700 862 1750 4340 8390 3090 720 1790 29 5970 3400 5530 8320 3900 862 904 3450 6610 4720 1000 3620 30 6100 1880 5650 9790 --- 3860 848 5020 6750 5650 2100 3400 31 3300 --- 5200 7880 --- 4270 --- 5840 --- 1070 1100 --- TOTAL 162500 166000 150942 194100 171650 88055 66247 87015 179710 112073 60590 57014 MEAN 5242 5533 4869 6261 5919 2840 2208 2807 5990 3615 1955 1900 MAX 8240 10100 8140 9790 9330 6920 5530 8420 11500 8990 4750 5840 MIN 1370 1880 848 2600 3520 781 742 703 1000 848 630 582 CFSM 1.72 1.81 1.60 2.05 1.94 0.93 0.72 0.92 1.96 1.19 0.64 0.62 IN. 1.98 2.02 1.84 2.37 2.09 1.07 0.81 1.06 2.19 1.37 0.74 0.70 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1976, BY WATER YEAR (WY) MEAN 3584 3586 4045 4972 6036 6427 5756 4479 4114 3582 3769 3480 MAX 10680 8291 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1948 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 721 858 1042 1415 2030 2185 1284 1429 1216 1239 1224 998 (WY) 1955 1955 1956 1956 1963 1896 1967 1967 1956 1956 1962 1954 SUMMARY STATISTICS FOR 1975 CALENDAR YEAR FOR 1976 WATER YEAR WATER YEARS 1896 - 1976 ANNUAL TOTAL 2481753 1495896 ANNUAL MEAN 6799 4087 4482 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 2082 1955 HIGHEST DAILY MEAN 52100 Mar 15 11500 Jun 24 127000 May 23 1901 LOWEST DAILY MEAN 803 Sep 15 582 Sep 5 490 Oct 21 1954 ANNUAL SEVEN-DAY MINIMUM 2170 Sep 9 926 Apr 27 541 Oct 19 1954 MAXIMUM PEAK FLOW 151000 May 23 1901 MAXIMUM PEAK STAGE 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 2.23 1.34 1.47 ANNUAL RUNOFF (INCHES) 30.27 18.25 19.97 10 PERCENT EXCEEDS 11300 6780 8570 50 PERCENT EXCEEDS 5940 4140 3630 90 PERCENT EXCEEDS 2160 862 1010 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1976 TO SEPTEMBER 1977 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 2180 6030 10600 2080 3250 2080 8000 1300 3580 2000 3390 3110 2 967 9830 10800 5230 2510 2720 3400 2800 4790 618 904 3800 3 839 7960 10200 6070 849 1690 6500 3200 5200 667 1290 1010 4 812 9220 7420 8920 962 4940 7500 2400 4790 654 3020 863 5 789 8950 5500 6370 795 965 10000 2800 890 2980 1510 704 6 1980 4320 7920 6610 808 1280 9500 4000 5440 2640 1200 3780 7 6690 2710 6680 9140 1960 3790 6500 2400 4520 1650 1200 1440 8 9110 8060 6370 7060 1290 4360 11000 900 3110 3280 3390 3250 9 36800 10900 7810 6610 717 3860 9500 2600 4230 3160 3580 5880 10 31400 7520 9940 2490 717 5260 6500 2800 890 1290 4000 768 11 20400 7130 9410 1610 1090 3170 3800 5630 890 2960 4570 1230 12 4220 6030 5810 9890 742 5550 7000 4520 692 3540 5540 3320 13 5620 3900 3000 12000 742 1280 10000 1090 4870 5350 835 755 14 10700 3040 10600 9670 1830 855 13000 1540 1490 3820 704 3140 15 10900 5590 6000 5790 1410 3800 10000 876 3820 6650 2260 1110 16 8920 3210 4560 9560 1790 7410 8000 1850 4100 3920 3680 904 17 10600 6030 6370 11800 2370 5710 3600 1960 3000 2220 3950 782 18 11900 2400 9220 9600 3540 4160 5000 5660 4310 7310 689 5350 19 11100 4840 8760 10400 782 844 5000 4680 1830 4550 1170 5510 20 4750 2890 10300 10200 742 2740 5800 947 5480 4630 2040 4710 21 7670 690 11300 10500 782 5850 4800 1630 4990 6680 863 3900 22 7880 2730 11000 5350 876 1230 4400 717 2290 5020 1340 1630 23 9370 3160 9330 1700 755 955 3600 3160 2910 835 1980 1180 24 7240 2970 6340 6610 1830 7540 4400 1770 607 679 1120 3750 25 9140 1100 3950 6610 904 8130 6000 4930 5230 3820 768 947 26 7960 1630 742 6240 734 4910 2600 3050 822 4680 835 1790 27 9680 1200 5840 6370 829 3570 3800 4250 3970 717 2750 3750 28 10000 794 7810 5880 2770 4880 4000 822 4310 1140 755 2620 29 5020 4050 6140 4790 --- 5960 4600 768 3320 947 4050 1360 30 5840 5940 8950 2160 --- 16400 1800 1310 4230 1720 4960 1280 31 4270 --- 4560 1680 --- 19100 --- 2660 --- 1460 1920 --- TOTAL 274747 144824 233232 208990 38376 144989 189600 79020 100601 91587 70263 73623 MEAN 8863 4827 7524 6742 1371 4677 6320 2549 3353 2954 2267 2454 MAX 36800 10900 11300 12000 3540 19100 13000 5660 5480 7310 5540 5880 MIN 789 690 742 1610 717 844 1800 717 607 618 689 704 CFSM 2.91 1.58 2.47 2.21 0.45 1.53 2.07 0.84 1.10 0.97 0.74 0.80 IN. 3.35 1.77 2.84 2.55 0.47 1.77 2.31 0.96 1.23 1.12 0.86 0.90 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1977, BY WATER YEAR (WY) MEAN 3710 3616 4128 5014 5926 6385 5769 4434 4097 3567 3734 3456 MAX 10680 8291 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1948 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 721 858 1042 1415 1371 2185 1284 1429 1216 1239 1224 998 (WY) 1955 1955 1956 1956 1977 1896 1967 1967 1956 1956 1962 1954 SUMMARY STATISTICS FOR 1976 CALENDAR YEAR FOR 1977 WATER YEAR WATER YEARS 1896 - 1977 ANNUAL TOTAL 1669257 1649852 ANNUAL MEAN 4561 4520 4483 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 2082 1955 HIGHEST DAILY MEAN 36800 Oct 9 36800 Oct 9 127000 May 23 1901 LOWEST DAILY MEAN 582 Sep 5 607 Jun 24 490 Oct 21 1954 ANNUAL SEVEN-DAY MINIMUM 926 Apr 27 946 Feb 20 541 Oct 19 1954 MAXIMUM PEAK FLOW 151000 May 23 1901 MAXIMUM PEAK STAGE 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 1.50 1.48 1.47 ANNUAL RUNOFF (INCHES) 20.36 20.12 19.97 10 PERCENT EXCEEDS 9000 9520 8590 50 PERCENT EXCEEDS 4140 3800 3630 90 PERCENT EXCEEDS 848 833 1000 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1977 TO SEPTEMBER 1978 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 758 5670 10400 4740 11500 5620 5440 5230 3870 1080 947 3850 2 987 6030 10800 2260 11500 5210 3000 6080 3490 808 1380 1060 3 1440 5850 10700 4990 11600 5890 6610 7100 2890 1540 4390 977 4 4270 5260 8770 4980 9530 5350 5600 7490 863 3800 5320 782 5 2720 5550 11600 4730 7850 886 7270 9290 2020 1140 1020 4680 6 1330 11700 9530 4610 11000 4570 6010 7060 5730 1120 1440 5080 7 2600 35300 11900 4370 11500 3640 5480 6240 3540 1650 5660 5320 8 1250 36200 11900 3130 10200 7400 2800 6480 3250 4180 8580 3440 9 768 24200 8610 10200 10800 7030 755 4360 2200 4000 5760 5260 10 2740 12900 8340 9260 10600 1250 7450 6270 4360 6010 5790 919 11 2650 12000 2420 10500 9290 889 7100 8610 4900 4120 5630 4000 12 3000 11600 5580 10700 6970 4950 6000 9410 9100 1740 5730 3970 13 5520 10700 2720 6940 8130 9660 4000 8720 6010 1650 4990 3700 14 2180 11300 4950 4680 9930 7890 4500 6850 2310 5350 5820 730 15 1110 11300 5300 5140 7940 7850 2500 10300 1310 4330 6680 822 16 738 11400 2790 10800 9070 8370 1500 10300 5540 1050 6710 4120 17 1300 11300 2650 9560 8990 7330 3000 8650 3140 849 7600 3110 18 2500 11500 1840 9940 6140 6990 2200 6710 1080 5510 6580 7600 19 2440 11400 4620 8640 1120 3430 1700 6960 6540 4020 5320 5950 20 2520 11700 5850 2050 7360 5710 4440 3750 6440 5200 5730 2020 21 3400 11400 6180 1150 6720 5490 3090 4330 6680 2480 5480 3230 22 978 11500 6800 5750 6650 4870 5260 6370 7240 3850 4740 3110 23 710 11500 6700 10500 6810 4810 2020 6920 6510 1050 3850 1090 24 3080 8660 4050 11500 5640 6570 2890 3000 4020 3750 3160 642 25 4030 8720 1830 4510 4690 2830 4680 5790 3540 1140 6610 3580 26 1180 10500 2060 22100 2960 7480 7920 5380 5480 4180 2220 4000 27 728 11600 5440 6840 6280 9570 7670 2330 6210 2620 1080 808 28 743 11700 4580 9000 5490 8720 5600 933 5730 3650 5410 5630 29 5030 11900 4570 8590 --- 7200 3090 4070 4990 3300 4660 2550 30 2710 11800 5130 10500 --- 5880 1540 4930 4020 1680 3870 1230 31 5360 --- 906 10800 --- 6370 --- 5600 --- 3610 4900 --- TOTAL 70770 372140 189516 233460 226260 179705 131115 195513 133003 90457 147057 93260 MEAN 2283 12400 6113 7531 8081 5797 4370 6307 4433 2918 4744 3109 MAX 5520 36200 11900 22100 11600 9660 7920 10300 9100 6010 8580 7600 MIN 710 5260 906 1150 1120 886 755 933 863 808 947 642 CFSM 0.75 4.07 2.00 2.47 2.65 1.90 1.43 2.07 1.45 0.96 1.56 1.02 IN. 0.86 4.54 2.31 2.85 2.76 2.19 1.60 2.38 1.62 1.10 1.79 1.14 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1978, BY WATER YEAR (WY) MEAN 3677 3820 4174 5073 5976 6372 5737 4477 4104 3553 3757 3448 MAX 10680 12400 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1978 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 721 858 1042 1415 1371 2185 1284 1429 1216 1239 1224 998 (WY) 1955 1955 1956 1956 1977 1896 1967 1967 1956 1956 1962 1954 SUMMARY STATISTICS FOR 1977 CALENDAR YEAR FOR 1978 WATER YEAR WATER YEARS 1896 - 1978 ANNUAL TOTAL 1629475 2062256 ANNUAL MEAN 4464 5650 4510 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 2082 1955 HIGHEST DAILY MEAN 36200 Nov 8 36200 Nov 8 127000 May 23 1901 LOWEST DAILY MEAN 607 Jun 24 642 Sep 24 490 Oct 21 1954 ANNUAL SEVEN-DAY MINIMUM 946 Feb 20 1590 Jul 1 541 Oct 19 1954 MAXIMUM PEAK FLOW 151000 May 23 1901 MAXIMUM PEAK STAGE 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 1.46 1.85 1.48 ANNUAL RUNOFF (INCHES) 19.87 25.15 20.09 10 PERCENT EXCEEDS 10400 10700 8640 50 PERCENT EXCEEDS 3540 5260 3650 90 PERCENT EXCEEDS 826 1140 1010 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1978 TO SEPTEMBER 1979 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 701 1170 3780 1480 9560 4680 3730 9670 6600 779 6780 3090 2 4620 1000 3430 3530 9560 5870 8880 9970 7230 832 8760 4990 3 5110 1340 1230 7790 3160 6740 9590 9180 5440 1230 6230 5780 4 4540 727 4250 8390 779 6530 11100 7480 5750 2770 4090 6950 5 1200 832 4600 5290 5440 11700 6910 8610 6330 4240 1060 4850 6 752 1230 4220 5690 5380 25300 8060 5870 5900 916 6840 4850 7 1520 1230 6120 3570 5530 17400 7770 10000 6200 931 6950 7270 8 832 945 8840 5620 4270 11600 9410 10200 5780 1660 7800 6530 9 3230 1440 8370 4120 4960 11400 10700 10500 5200 6100 7230 1750 10 1180 1650 2850 5350 3300 8690 10700 9780 4020 7090 3500 4320 11 1440 945 5890 5720 2370 10700 10700 10100 5810 7090 1000 4220 12 766 740 7920 5900 4240 10400 10900 6160 4790 7990 1000 7020 13 1310 2040 7730 5690 832 10500 10000 6100 3800 7410 1020 6780 14 945 3680 8160 5650 4140 10400 3330 6640 3500 5440 2330 7300 15 779 1230 8930 6200 3210 10500 7270 7730 4140 4790 3800 1460 16 752 5200 6490 5970 3160 9670 10800 7770 2000 6950 1060 1150 17 1200 4040 2840 6030 5080 4070 11000 7270 931 6600 1920 3590 18 1890 3230 4330 5720 4680 2020 10700 6430 4960 5970 2350 4040 19 931 1230 3190 6030 5020 7090 10700 2730 8760 4400 2460 5260 20 792 1630 2710 5840 5380 7230 6530 727 8840 6130 7340 6160 21 2410 1060 2290 2220 5590 6530 10700 5870 8880 4480 5170 4850 22 740 2210 2340 5230 1850 7730 5750 6160 9030 1290 1060 7770 23 6670 723 1280 7700 4070 9070 7730 7230 5380 6810 2700 6810 24 6530 2040 3760 9220 17300 4570 8540 6470 5170 5470 974 10000 25 2100 2120 1430 9670 26100 7880 6880 7730 8950 6810 3780 11600 26 5380 1290 1280 9260 16900 14300 4960 5900 7340 8140 2100 11800 27 2860 5570 5360 9480 10200 12600 1650 3090 6640 8540 4400 11800 28 766 1160 4970 9560 8540 11400 4650 4790 5750 8800 3870 12000 29 779 5100 4620 9480 --- 11500 9290 6160 6100 2590 5720 8990 30 1360 3020 3900 8990 --- 10500 8760 6500 1390 7550 5350 5260 31 931 --- 1660 8910 --- 7440 --- 6260 --- 7160 4740 --- TOTAL 65016 59822 138770 199300 180601 296010 247690 219077 170611 156958 123384 188240 MEAN 2097 1994 4476 6429 6450 9549 8256 7067 5687 5063 3980 6275 MAX 6670 5570 8930 9670 26100 25300 11100 10500 9030 8800 8760 12000 MIN 701 723 1230 1480 779 2020 1650 727 931 779 974 1150 CFSM 0.69 0.65 1.47 2.11 2.11 3.13 2.71 2.32 1.86 1.66 1.30 2.06 IN. 0.79 0.73 1.69 2.43 2.20 3.61 3.02 2.67 2.08 1.91 1.50 2.30 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1979, BY WATER YEAR (WY) MEAN 3641 3779 4181 5104 5986 6444 5793 4534 4139 3586 3762 3511 MAX 10680 12400 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1978 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 721 858 1042 1415 1371 2185 1284 1429 1216 1239 1224 998 (WY) 1955 1955 1956 1956 1977 1896 1967 1967 1956 1956 1962 1954 SUMMARY STATISTICS FOR 1978 CALENDAR YEAR FOR 1979 WATER YEAR WATER YEARS 1896 - 1979 ANNUAL TOTAL 1693438 2045479 ANNUAL MEAN 4640 5604 4535 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 2082 1955 HIGHEST DAILY MEAN 22100 Jan 26 26100 Feb 25 127000 May 23 1901 LOWEST DAILY MEAN 642 Sep 24 701 Oct 1 490 Oct 21 1954 ANNUAL SEVEN-DAY MINIMUM 1020 Oct 10 1020 Oct 10 541 Oct 19 1954 MAXIMUM PEAK FLOW 151000 May 23 1901 MAXIMUM PEAK STAGE 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 1.52 1.84 1.49 ANNUAL RUNOFF (INCHES) 20.65 24.95 20.20 10 PERCENT EXCEEDS 8720 10000 8700 50 PERCENT EXCEEDS 4510 5440 3690 90 PERCENT EXCEEDS 1040 1110 1010 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1979 TO SEPTEMBER 1980 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 9660 5230 8070 5030 9550 6310 3230 11100 1790 7580 3450 1490 2 10400 5980 8750 7070 8870 4760 7370 5980 5730 6810 902 4960 3 11400 7360 8420 7110 3050 2770 8530 4990 6920 6610 779 2390 4 11400 4360 9240 8860 6240 4020 8570 805 5920 1790 5320 714 5 12800 7840 5730 8540 6440 4480 8570 5480 2160 3470 5690 3020 6 8420 7640 5230 3630 6850 2160 8680 3730 2440 4960 5110 714 7 9130 6480 5810 7050 4880 1790 8680 3520 2800 6710 5950 652 8 11400 6110 5340 7830 5850 1360 10600 2700 628 7090 3370 2060 9 11500 5180 2620 2750 1980 779 8950 5510 1080 7090 2930 4090 10 11600 6050 6090 5520 2570 701 8680 2180 2680 4790 1110 1230 11 11500 3950 6200 7810 3640 3950 10100 701 752 6920 3780 888 12 11500 5480 5730 4660 5980 6640 8570 5690 616 3660 4710 1280 13 8330 5370 4940 6830 4880 6270 8640 4910 1750 5540 2730 593 14 6730 9600 6020 8600 6270 4290 10400 6050 558 4540 1680 616 15 9180 9690 5640 8580 3970 3020 14200 4270 1230 4240 2930 1510 16 6860 9540 5350 9380 1740 1490 16400 689 4350 6310 931 628 17 7640 8470 7170 8040 2460 3710 15500 3000 805 5260 581 652 18 6930 5310 6340 9480 3540 4240 12600 5690 2260 4480 1660 640 19 6670 6720 6490 5420 2860 4320 11300 10400 2610 3870 1660 640 20 4600 6390 8100 8230 2730 5080 10900 10200 4480 1770 4990 902 21 4460 5680 6760 10800 1750 4380 8310 9400 689 3990 2160 1030 22 5810 5150 5560 10700 3660 7620 10500 8460 740 1680 1370 5200 23 5350 4970 2230 9860 1830 6340 11300 10400 7120 1290 689 4270 24 4430 4050 4550 9180 714 8760 11400 9880 6990 1510 689 3160 25 4630 3680 2510 9920 676 5200 11400 9140 5730 1660 1560 3160 26 4570 5920 5760 5950 5350 5600 10300 9060 5080 2000 3570 1810 27 3240 8810 5880 2910 4480 7260 9370 10300 7300 701 1630 689 28 700 8780 5960 8680 1580 8420 9960 9220 10100 3180 2640 727 29 5270 10000 5970 8830 3020 14000 9060 5820 9180 3570 3260 714 30 5890 9700 4750 8640 --- 5630 10500 6920 8570 5630 701 3520 31 5420 --- 5230 10900 --- 3640 --- 2100 --- 5260 701 --- TOTAL 237420 199490 182440 236790 117410 148990 302570 188295 113058 133961 79233 53949 MEAN 7659 6650 5885 7638 4049 4806 10090 6074 3769 4321 2556 1798 MAX 12800 10000 9240 10900 9550 14000 16400 11100 10100 7580 5950 5200 MIN 700 3680 2230 2750 676 701 3230 689 558 701 581 593 CFSM 2.51 2.18 1.93 2.50 1.33 1.58 3.31 1.99 1.24 1.42 0.84 0.59 IN. 2.90 2.43 2.23 2.89 1.43 1.82 3.69 2.30 1.38 1.63 0.97 0.66 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1980, BY WATER YEAR (WY) MEAN 3730 3842 4219 5160 5942 6408 5887 4568 4131 3602 3736 3474 MAX 10680 12400 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1978 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 721 858 1042 1415 1371 2185 1284 1429 1216 1239 1224 998 (WY) 1955 1955 1956 1956 1977 1896 1967 1967 1956 1956 1962 1954 SUMMARY STATISTICS FOR 1979 CALENDAR YEAR FOR 1980 WATER YEAR WATER YEARS 1896 - 1980 ANNUAL TOTAL 2401221 1993606 ANNUAL MEAN 6579 5447 4556 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 2082 1955 HIGHEST DAILY MEAN 26100 Feb 25 16400 Apr 16 127000 May 23 1901 LOWEST DAILY MEAN 700 Oct 28 558 Jun 14 490 Oct 21 1954 ANNUAL SEVEN-DAY MINIMUM 1670 Jul 1 754 Sep 13 541 Oct 19 1954 MAXIMUM PEAK FLOW 151000 May 23 1901 MAXIMUM PEAK STAGE 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 2.16 1.79 1.49 ANNUAL RUNOFF (INCHES) 29.29 24.32 20.29 10 PERCENT EXCEEDS 10500 9930 8760 50 PERCENT EXCEEDS 6130 5330 3720 90 PERCENT EXCEEDS 2490 902 1010 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1980 TO SEPTEMBER 1981 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 979 771 2440 698 1830 396 3790 640 1710 802 1550 1980 2 3130 680 2490 1580 6670 2210 1880 686 8210 700 697 2460 3 2300 1460 4590 3820 4830 2990 2740 656 9380 715 1570 2030 4 1290 2060 5790 4980 2710 4820 533 746 7590 655 5080 1940 5 697 3520 3830 9630 3530 4390 515 664 6790 2680 5960 737 6 1510 3140 1290 6640 3260 4340 3120 1460 4850 4770 4730 729 7 3940 3310 726 3890 1930 2880 2500 1850 3060 4210 4250 1290 8 1960 733 3660 2840 505 418 2000 2670 4590 2630 2530 522 9 4550 682 2760 4190 2860 3680 3070 1080 4550 4670 862 4340 10 4510 3870 4860 3330 4290 1600 1580 836 5730 5660 1910 1200 11 1250 4050 4390 3920 1330 1530 1200 632 4910 3480 3790 2540 12 657 3210 2030 5190 721 1760 614 1800 3310 1080 1110 639 13 640 2840 1190 4840 3220 1400 2010 1150 3940 6760 3490 831 14 5310 3120 700 2970 2440 1340 2670 1320 1370 4470 3110 4420 15 2590 1010 2740 2070 1280 478 2870 993 5010 2670 1510 2710 16 3400 737 1950 3130 4640 2910 796 698 5620 3670 724 1500 17 3500 5870 2440 4140 1650 2260 1920 684 7270 5680 1080 1400 18 812 6110 2100 1870 1670 1660 704 1390 1940 1890 769 766 19 743 4760 1780 3040 5690 4010 655 1110 2020 730 659 487 20 1420 4640 1000 4450 5650 2360 671 3480 2990 5300 837 528 21 1320 2970 1500 5180 2810 1690 722 1980 1090 2000 788 821 22 734 2730 2030 1960 955 884 1280 827 6400 3140 506 2700 23 3740 1080 820 1220 3310 2230 995 772 5680 2390 672 644 24 5280 3270 790 1720 3880 1040 2140 742 4480 2550 1860 1040 25 730 2110 785 587 4470 971 656 1310 4470 4020 854 1720 26 657 2710 4560 604 2920 848 631 1050 1710 925 1540 631 27 2260 1470 6680 565 1960 519 1610 799 902 4290 907 528 28 3860 2230 947 662 422 515 1490 1680 722 4880 880 530 29 3810 3730 3250 1430 --- 471 700 1690 584 4930 588 594 30 5320 1390 1290 3920 --- 489 678 1370 742 864 556 457 31 2250 --- 1610 4760 --- 3480 --- 3010 --- 605 2950 --- TOTAL 75149 80263 77018 99826 81433 60569 46740 39775 121620 93816 58319 42714 MEAN 2424 2675 2484 3220 2908 1954 1558 1283 4054 3026 1881 1424 MAX 5320 6110 6680 9630 6670 4820 3790 3480 9380 6760 5960 4420 MIN 640 680 700 565 422 396 515 632 584 605 506 457 CFSM 0.79 0.88 0.81 1.06 0.95 0.64 0.51 0.42 1.33 0.99 0.62 0.47 IN. 0.92 0.98 0.94 1.22 0.99 0.74 0.57 0.49 1.48 1.14 0.71 0.52 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1981, BY WATER YEAR (WY) MEAN 3702 3817 4181 5118 5877 6311 5795 4498 4130 3590 3696 3430 MAX 10680 12400 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1978 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 721 858 1042 1415 1371 1954 1284 1283 1216 1239 1224 998 (WY) 1955 1955 1956 1956 1977 1981 1967 1981 1956 1956 1962 1954 SUMMARY STATISTICS FOR 1980 CALENDAR YEAR FOR 1981 WATER YEAR WATER YEARS 1896 - 1981 ANNUAL TOTAL 1606686 877242 ANNUAL MEAN 4390 2403 4509 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 2082 1955 HIGHEST DAILY MEAN 16400 Apr 16 9630 Jan 5 127000 May 23 1901 LOWEST DAILY MEAN 558 Jun 14 396 Mar 1 396 Mar 1 1981 ANNUAL SEVEN-DAY MINIMUM 754 Sep 13 681 Apr 29 541 Oct 19 1954 MAXIMUM PEAK FLOW 151000 May 23 1901 MAXIMUM PEAK STAGE 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 1.44 0.788 1.48 ANNUAL RUNOFF (INCHES) 19.60 10.70 20.09 10 PERCENT EXCEEDS 9180 4840 8700 50 PERCENT EXCEEDS 3660 1930 3670 90 PERCENT EXCEEDS 732 656 996 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1981 TO SEPTEMBER 1982 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 581 604 2390 6570 1310 7980 701 4480 6640 5880 2570 570 2 689 974 1740 4020 7190 8680 3400 2640 6680 4290 1370 3230 3 1230 593 2330 6210 6570 6240 727 5920 8530 3780 6080 6110 4 512 1170 2550 16900 3000 9920 1230 4910 8640 779 4990 581 5 2260 604 701 8800 3330 6410 3260 5630 3350 4460 4290 570 6 2290 689 1000 5140 7440 5480 3750 7190 640 3590 4620 604 7 664 628 2950 3780 5950 8200 3520 4460 5760 2750 4570 740 8 3470 664 1770 3520 9700 8990 1610 701 7050 1660 1580 628 9 888 1850 4240 3470 7260 8310 2180 652 10400 1830 5920 581 10 2200 1060 4140 5080 8610 7720 701 2080 7470 689 3180 523 11 689 916 1360 9550 9220 5410 676 1610 7260 535 1870 727 12 1240 916 2200 10300 8380 5410 652 2730 4120 3000 1830 523 13 2180 974 1470 8530 6140 1290 2800 4740 4790 2770 988 792 14 3180 616 2520 10300 714 1150 2410 1520 10200 2520 604 931 15 3610 689 3970 10100 6180 7020 714 616 7230 2770 593 4910 16 3330 3730 874 9290 8800 10700 652 664 6510 3850 4290 2040 17 1540 2890 2290 9060 5110 9590 1020 2910 5880 2200 3520 727 18 616 3590 2180 9730 5820 6410 3900 2350 3610 689 1560 546 19 1660 2910 628 6440 6180 5440 1120 779 2440 1980 1230 570 20 1810 664 1030 6570 5290 2850 4140 1580 1080 1940 2000 2180 21 1140 628 1580 6950 616 1120 1340 1490 3110 2590 988 1240 22 860 640 628 3090 7300 3780 1900 4570 2750 2390 616 1720 23 846 2140 616 5140 10600 5480 1590 4270 5980 1320 3710 1660 24 1460 676 1580 4570 10900 5570 846 2930 5540 3160 5760 1420 25 664 846 792 7440 11700 4140 689 6850 1290 2610 5440 535 26 1230 628 819 8720 10200 3000 2240 8230 3090 3500 2840 593 27 4680 640 628 8050 6950 3660 2980 4790 3900 3090 874 1280 28 3640 593 4620 7940 1580 1110 6370 3950 5510 2200 593 1280 29 3300 593 5690 7510 --- 2930 3570 4710 6270 3020 652 1290 30 4600 1440 3000 5440 --- 3590 4350 3950 6570 2390 468 1260 31 916 --- 2770 689 --- 860 --- 4910 --- 701 479 --- TOTAL 57975 35555 65056 218899 182040 168440 65038 108812 162290 78933 80075 40361 MEAN 1870 1185 2099 7061 6501 5434 2168 3510 5410 2546 2583 1345 MAX 4680 3730 5690 16900 11700 10700 6370 8230 10400 5880 6080 6110 MIN 512 593 616 689 616 860 652 616 640 535 468 523 CFSM 0.61 0.39 0.69 2.32 2.13 1.78 0.71 1.15 1.77 0.83 0.85 0.44 IN. 0.71 0.43 0.79 2.67 2.22 2.05 0.79 1.33 1.98 0.96 0.98 0.49 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1982, BY WATER YEAR (WY) MEAN 3663 3761 4137 5159 5890 6292 5719 4477 4156 3568 3673 3387 MAX 10680 12400 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1978 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 721 858 1042 1415 1371 1954 1284 1283 1216 1239 1224 998 (WY) 1955 1955 1956 1956 1977 1981 1967 1981 1956 1956 1962 1954 SUMMARY STATISTICS FOR 1981 CALENDAR YEAR FOR 1982 WATER YEAR WATER YEARS 1896 - 1982 ANNUAL TOTAL 803398 1263474 ANNUAL MEAN 2201 3462 4487 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 2082 1955 HIGHEST DAILY MEAN 9630 Jan 5 16900 Jan 4 127000 May 23 1901 LOWEST DAILY MEAN 396 Mar 1 468 Aug 30 396 Mar 1 1981 ANNUAL SEVEN-DAY MINIMUM 573 Sep 26 604 Sep 4 541 Oct 19 1954 MAXIMUM PEAK FLOW 151000 May 23 1901 MAXIMUM PEAK STAGE 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 0.722 1.13 1.47 ANNUAL RUNOFF (INCHES) 9.80 15.41 19.99 10 PERCENT EXCEEDS 4670 7590 8680 50 PERCENT EXCEEDS 1660 2770 3650 90 PERCENT EXCEEDS 616 628 986 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1982 TO SEPTEMBER 1983 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 1110 2050 4770 3030 8050 9990 8550 7670 4860 4330 1150 707 2 614 636 3920 1760 5300 10600 8610 10500 6690 4380 2540 641 3 576 1450 4360 5510 6800 11000 12500 9870 5870 4410 965 773 4 1090 4570 619 7150 5690 11900 12200 8140 652 5020 2930 1030 5 2720 4350 1380 11600 4170 6240 10400 9320 4840 1800 4040 1770 6 1340 800 6510 10900 8170 5950 10200 8680 4540 1110 2720 4970 7 3100 675 7360 6730 6460 4440 9620 5400 5190 3530 2170 2980 8 696 1410 11700 646 5670 6840 11600 5220 5510 6330 4610 3180 9 616 2910 11200 633 7950 11800 13200 9490 5900 6050 2280 2210 10 601 824 6220 7320 11100 11800 19300 9650 6590 3480 1570 2250 11 580 650 4510 7810 8560 12000 21400 4990 5760 5300 912 1370 12 588 641 1360 6650 9260 9220 19800 5850 6910 5670 864 2670 13 627 578 3950 5610 10500 5030 12800 3690 6390 5600 926 787 14 3050 636 9100 5810 5560 10400 11300 1420 1190 5370 830 893 15 1870 2920 8960 757 831 11800 12500 884 2670 4710 701 3720 16 942 3000 5810 619 2690 7680 13900 7890 2120 3680 535 3010 17 720 2140 8190 2730 5460 4290 11300 4410 4230 3520 1610 1540 18 4400 1690 11100 5330 5570 4200 11900 6060 4690 1760 3310 821 19 5430 1900 9930 7410 7190 5900 12000 4910 4820 4090 4810 4580 20 5440 1580 10700 7420 6470 1970 10500 7050 2900 682 2840 1400 21 1300 592 11600 4810 6230 6110 8260 9830 4500 1830 705 603 22 916 528 10200 849 7090 1500 8410 9200 2980 2910 4100 1710 23 573 4450 6060 3750 5860 6330 7470 9450 6760 2170 3650 813 24 1820 3540 1500 8660 5950 9570 11400 7010 1970 1500 2210 3260 25 7660 641 1820 9490 7200 10600 11100 7400 4350 3340 1210 575 26 7500 585 2310 10900 6210 5180 12100 9820 5330 725 699 657 27 4050 591 3660 11700 8270 12400 7900 7420 7830 661 766 3410 28 1090 1470 5150 8690 11600 14300 11100 2880 6160 1130 1580 5260 29 621 4490 5450 2750 --- 11500 10500 2000 913 1910 1120 954 30 2050 5090 7070 2380 --- 10500 10300 1180 1990 2160 1730 660 31 1810 --- 7430 8110 --- 8680 --- 4540 --- 658 1170 --- TOTAL 65500 57387 193899 177514 189861 259720 352120 201824 135105 99816 61253 59204 MEAN 2113 1913 6255 5726 6781 8378 11740 6510 4504 3220 1976 1973 MAX 7660 5090 11700 11700 11600 14300 21400 10500 7830 6330 4810 5260 MIN 573 528 619 619 831 1500 7470 884 652 658 535 575 CFSM 0.69 0.63 2.05 1.88 2.22 2.75 3.85 2.13 1.48 1.06 0.65 0.65 IN. 0.80 0.70 2.36 2.17 2.32 3.17 4.29 2.46 1.65 1.22 0.75 0.72 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1983, BY WATER YEAR (WY) MEAN 3630 3723 4181 5171 5908 6336 5842 4519 4163 3561 3638 3358 MAX 10680 12400 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1978 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 721 858 1042 1415 1371 1954 1284 1283 1216 1239 1224 998 (WY) 1955 1955 1956 1956 1977 1981 1967 1981 1956 1956 1962 1954 SUMMARY STATISTICS FOR 1982 CALENDAR YEAR FOR 1983 WATER YEAR WATER YEARS 1896 - 1983 ANNUAL TOTAL 1421674 1853203 ANNUAL MEAN 3895 5077 4499 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 2082 1955 HIGHEST DAILY MEAN 16900 Jan 4 21400 Apr 11 127000 May 23 1901 LOWEST DAILY MEAN 468 Aug 30 528 Nov 22 396 Mar 1 1981 ANNUAL SEVEN-DAY MINIMUM 604 Sep 4 905 Aug 10 541 Oct 19 1954 MAXIMUM PEAK FLOW 151000 May 23 1901 MAXIMUM PEAK STAGE 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 1.28 1.66 1.48 ANNUAL RUNOFF (INCHES) 17.34 22.60 20.04 10 PERCENT EXCEEDS 8530 10900 8720 50 PERCENT EXCEEDS 3160 4510 3660 90 PERCENT EXCEEDS 633 700 978 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1983 TO SEPTEMBER 1984 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 814 1180 6130 7630 5290 8420 8380 9240 9410 3880 7520 2380 2 874 960 3320 5530 8670 8380 9090 11200 6700 682 6370 4110 3 3180 1730 779 6120 7080 6470 8880 3080 3330 684 2360 1660 4 2680 2890 2730 4170 4980 5650 5780 6660 4950 3530 3310 778 5 6570 2380 5760 4340 7210 6530 5610 10100 5310 6020 5170 1540 6 5820 1230 10400 7950 7630 9000 8030 8650 9260 4800 8430 767 7 1430 2650 7150 11500 7530 12400 9660 6240 10200 3650 8600 1200 8 923 2830 5800 9580 7510 7890 8500 7950 11200 4840 8490 2530 9 963 3030 6560 8660 8570 8690 8720 3780 8180 3930 5030 1900 10 899 2800 6430 7000 8270 7140 16900 8040 7170 3960 3130 5290 11 951 2660 5050 3380 6670 6820 16500 9480 7220 3800 3810 3570 12 1980 3550 18700 4460 6770 8090 13000 9320 4790 4110 750 6150 13 3200 1620 13300 7090 6230 5830 11100 6290 6640 4110 3020 4480 14 1060 4110 8400 5710 9260 7680 9060 9870 4010 4220 8130 5440 15 2240 4690 9590 5580 13300 8850 9030 9940 5420 918 8480 2750 16 1090 3840 8980 6850 11100 8560 8330 7700 1470 4300 4190 1650 17 2690 6200 7320 8480 8500 6320 8400 6990 3300 892 4260 1980 18 943 6450 6670 6670 7580 7430 7620 6650 4670 1720 3750 1400 19 1400 5330 9770 1430 5480 8160 8380 5140 6210 5700 3690 577 20 989 4130 11100 977 7700 8770 7560 5940 5400 8800 6110 578 21 1000 2310 10400 3360 9120 6840 7740 6990 3580 6330 4920 625 22 890 2810 6160 8430 8270 10300 8610 5580 4050 2700 6500 1260 23 983 4140 5890 10000 4380 8660 7690 5460 1220 6170 6670 713 24 4590 790 7050 6570 2480 4130 8180 3460 3420 5410 3190 2690 25 4930 3930 9980 6190 5660 8870 7320 6200 4830 5060 4290 1260 26 2710 5640 10400 9480 6890 10000 7600 4710 3790 4040 3260 1280 27 3920 716 11500 9260 10100 8160 7700 4130 3780 2560 2140 1630 28 3100 5800 7640 8220 9290 3580 8820 3850 4590 4810 1410 1920 29 937 8860 10200 8090 8420 6700 4980 12000 4320 4260 1280 1450 30 1340 9040 11100 8000 --- 5220 8010 11700 4980 5960 3720 602 31 1390 --- 11700 9640 --- 7110 --- 8430 --- 7020 5870 --- TOTAL 66486 108296 255959 210347 219940 236650 265180 224770 163400 128866 147850 64160 MEAN 2145 3610 8257 6785 7584 7634 8839 7251 5447 4157 4769 2139 MAX 6570 9040 18700 11500 13300 12400 16900 12000 11200 8800 8600 6150 MIN 814 716 779 977 2480 3580 4980 3080 1220 682 750 577 CFSM 0.70 1.18 2.71 2.22 2.49 2.50 2.90 2.38 1.79 1.36 1.56 0.70 IN. 0.81 1.32 3.12 2.57 2.68 2.89 3.23 2.74 1.99 1.57 1.80 0.78 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1984, BY WATER YEAR (WY) MEAN 3600 3720 4264 5204 5944 6362 5902 4573 4189 3573 3661 3333 MAX 10680 12400 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1978 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 721 858 1042 1415 1371 1954 1284 1283 1216 1239 1224 998 (WY) 1955 1955 1956 1956 1977 1981 1967 1981 1956 1956 1962 1954 SUMMARY STATISTICS FOR 1983 CALENDAR YEAR FOR 1984 WATER YEAR WATER YEARS 1896 - 1984 ANNUAL TOTAL 1967158 2091904 ANNUAL MEAN 5389 5716 4524 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 2082 1955 HIGHEST DAILY MEAN 21400 Apr 11 18700 Dec 12 127000 May 23 1901 LOWEST DAILY MEAN 535 Aug 16 577 Sep 19 396 Mar 1 1981 ANNUAL SEVEN-DAY MINIMUM 905 Aug 10 1020 Sep 17 541 Oct 19 1954 MAXIMUM PEAK FLOW 151000 May 23 1901 MAXIMUM PEAK STAGE 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 1.77 1.87 1.48 ANNUAL RUNOFF (INCHES) 23.99 25.51 20.15 10 PERCENT EXCEEDS 11000 9510 8760 50 PERCENT EXCEEDS 4910 5740 3700 90 PERCENT EXCEEDS 897 1260 982 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1984 TO SEPTEMBER 1985 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 593 650 1880 2200 4500 5620 1150 1960 803 529 2790 5140 2 2110 4820 722 4500 11700 5550 1050 4460 883 596 4240 5650 3 2850 712 2610 6810 1750 5600 893 3400 3910 603 1690 5350 4 1310 602 2900 4490 5690 5590 924 1760 5170 514 666 4320 5 618 560 4370 5790 4350 7740 623 977 3710 1240 863 6610 6 605 2550 5670 4120 2760 2980 664 4120 2240 503 2030 7540 7 695 3590 5920 6920 3030 2280 601 1960 1480 637 1170 4450 8 1070 1920 6370 8580 6750 2760 630 723 3560 2590 1030 2290 9 1390 963 1800 8430 5620 620 965 645 710 702 3160 4910 10 1370 635 3330 8530 5570 645 1180 1800 5930 1280 1600 3850 11 711 650 5230 8480 5620 2480 1410 1140 5550 1190 642 813 12 1170 3870 1550 8550 4690 4120 1350 784 3290 607 3370 804 13 1010 4820 606 8180 3410 3360 610 3840 642 563 4660 729 14 1190 2380 628 5710 7420 2540 618 5010 1080 671 4830 483 15 1840 3060 589 4650 7520 3550 562 3100 645 1360 820 850 16 700 1170 655 2300 5690 596 1020 3280 602 689 1240 907 17 2580 2820 3880 2250 4010 2010 730 4560 948 527 970 716 18 5020 1500 1670 1750 7210 3600 1240 2660 1400 553 8770 3030 19 3510 971 2380 1030 8440 4030 3380 3170 623 755 7450 1680 20 675 3190 544 1300 3260 3790 652 589 533 1420 6320 2210 21 1400 3180 4080 4550 6530 3250 622 2340 545 612 9390 1380 22 687 832 2330 4390 9130 5200 4260 3730 1400 1940 5390 763 23 4370 573 5300 2860 8490 1070 690 578 539 602 5500 496 24 6000 722 3240 856 7340 585 578 574 657 687 7160 1520 25 5390 3430 2270 1280 8500 5460 2110 1020 2290 1310 5150 1450 26 4000 4000 3830 3440 7020 2320 2290 648 838 1660 5230 770 27 606 3830 4740 1440 5650 1640 1680 573 685 588 4610 635 28 1260 3740 5540 2780 5710 2680 699 596 505 2890 6980 1080 29 2990 3180 5600 781 --- 2780 1650 4720 516 4100 8680 1210 30 4570 4130 2230 3470 --- 3060 1490 674 731 7130 7120 1060 31 1840 --- 3110 2210 --- 1970 --- 525 --- 4340 7400 --- TOTAL 64130 69050 95574 132627 167360 99476 36321 65916 52415 43388 130921 72696 MEAN 2069 2302 3083 4278 5977 3209 1211 2126 1747 1400 4223 2423 MAX 6000 4820 6370 8580 11700 7740 4260 5010 5930 7130 9390 7540 MIN 593 560 544 781 1750 585 562 525 505 503 642 483 CFSM 0.68 0.75 1.01 1.40 1.96 1.05 0.40 0.70 0.57 0.46 1.38 0.79 IN. 0.78 0.84 1.17 1.62 2.04 1.21 0.44 0.80 0.64 0.53 1.60 0.89 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1985, BY WATER YEAR (WY) MEAN 3570 3692 4240 5185 5944 6299 5810 4525 4141 3530 3672 3316 MAX 10680 12400 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1978 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 721 858 1042 1415 1371 1954 1211 1283 1216 1239 1224 998 (WY) 1955 1955 1956 1956 1977 1981 1985 1981 1956 1956 1962 1954 SUMMARY STATISTICS FOR 1984 CALENDAR YEAR FOR 1985 WATER YEAR WATER YEARS 1896 - 1985 ANNUAL TOTAL 1889917 1029874 ANNUAL MEAN 5164 2822 4490 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 2082 1955 HIGHEST DAILY MEAN 16900 Apr 10 11700 Feb 2 127000 May 23 1901 LOWEST DAILY MEAN 544 Dec 20 483 Sep 14 396 Mar 1 1981 ANNUAL SEVEN-DAY MINIMUM 923 Oct 5 571 Jun 28 541 Oct 19 1954 MAXIMUM PEAK FLOW 151000 May 23 1901 MAXIMUM PEAK STAGE 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 1.69 0.925 1.47 ANNUAL RUNOFF (INCHES) 23.05 12.56 20.00 10 PERCENT EXCEEDS 9010 5920 8700 50 PERCENT EXCEEDS 4980 2200 3670 90 PERCENT EXCEEDS 950 606 965 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1985 TO SEPTEMBER 1986 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 548 3000 1640 2400 994 1260 1420 648 689 1650 684 796 2 1820 5640 5710 2290 1390 689 1440 699 2020 661 577 757 3 1770 7160 7090 2840 3870 659 771 631 615 757 782 813 4 3010 8560 7780 2840 5800 1940 341 868 605 687 643 2700 5 828 8530 7530 4510 5690 3290 286 615 640 600 729 1840 6 723 8450 8310 8500 1350 692 1620 651 2110 598 1610 3050 7 5690 8550 8290 5270 5190 727 3220 639 1230 2160 1320 757 8 1150 8570 8370 7190 1330 1030 3040 689 485 1880 3020 653 9 533 8620 8420 3530 3060 667 992 640 4350 763 720 617 10 2020 8570 8450 6550 6510 2180 1110 630 742 761 685 2590 11 4510 6630 8480 6820 4830 599 979 649 2090 711 1310 763 12 988 8710 8580 4250 3860 784 1380 702 3060 776 1320 571 13 468 6560 6470 5780 3660 4580 618 683 590 808 3570 681 14 1690 5750 1160 1990 4180 932 4810 1020 620 1710 2570 664 15 4540 5580 720 2560 3810 770 3770 1400 620 735 2710 642 16 3120 6200 6020 3090 2570 1510 1090 3760 520 664 1820 664 17 1810 2360 3350 4830 2480 4660 1250 837 485 1140 2190 570 18 1660 6750 3740 4150 5990 5770 747 684 485 1130 1000 593 19 544 3130 4520 2220 5300 6070 673 656 1560 739 928 928 20 554 8020 5280 5430 4250 5030 621 995 1800 782 1920 549 21 645 7370 3820 5910 4690 6090 2260 739 600 739 829 679 22 3480 15900 3980 6080 5180 4860 664 594 670 1110 1780 681 23 3780 7520 2420 4330 3020 803 656 656 2850 727 1100 723 24 4000 4290 822 4460 4370 2650 1310 624 4110 711 668 2660 25 2580 6350 1070 1530 5660 3900 350 1180 3740 680 3360 2750 26 908 7480 5800 1950 2670 5030 227 646 1890 729 4060 3310 27 1590 4810 3120 6130 3750 5190 1700 1880 3400 722 4770 863 28 1630 5290 2750 5770 3270 1700 762 1200 615 806 1390 667 29 1160 6910 3350 1400 --- 702 1150 1070 605 1700 793 1820 30 3350 3710 4980 2770 --- 1160 723 770 620 645 776 1710 31 2800 --- 689 3900 --- 1640 --- 743 --- 647 849 --- TOTAL 63899 204970 152711 131270 108724 77564 39980 28198 44416 28928 50483 37061 MEAN 2061 6832 4926 4235 3883 2502 1333 910 1481 933 1628 1235 MAX 5690 15900 8580 8500 6510 6090 4810 3760 4350 2160 4770 3310 MIN 468 2360 689 1400 994 599 227 594 485 598 577 549 CFSM 0.68 2.24 1.62 1.39 1.27 0.82 0.44 0.30 0.49 0.31 0.53 0.41 IN. 0.78 2.50 1.86 1.60 1.33 0.95 0.49 0.34 0.54 0.35 0.62 0.45 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1986, BY WATER YEAR (WY) MEAN 3540 3754 4254 5167 5904 6225 5724 4456 4090 3480 3633 3276 MAX 10680 12400 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1978 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 721 858 1042 1415 1371 1954 1211 910 1216 933 1224 998 (WY) 1955 1955 1956 1956 1977 1981 1985 1986 1956 1986 1962 1954 SUMMARY STATISTICS FOR 1985 CALENDAR YEAR FOR 1986 WATER YEAR WATER YEARS 1896 - 1986 ANNUAL TOTAL 1222700 968204 ANNUAL MEAN 3350 2653 4454 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 2082 1955 HIGHEST DAILY MEAN 15900 Nov 22 15900 Nov 22 127000 May 23 1901 LOWEST DAILY MEAN 468 Oct 13 227 Apr 26 227 Apr 26 1986 ANNUAL SEVEN-DAY MINIMUM 571 Jun 28 626 Sep 12 541 Oct 19 1954 MAXIMUM PEAK FLOW 151000 May 23 1901 MAXIMUM PEAK STAGE 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 1.10 0.870 1.46 ANNUAL RUNOFF (INCHES) 14.91 11.81 19.84 10 PERCENT EXCEEDS 7520 6160 8670 50 PERCENT EXCEEDS 2680 1660 3640 90 PERCENT EXCEEDS 611 628 942 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1986 TO SEPTEMBER 1987 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 1710 1500 5220 4800 8410 28900 5740 9880 2850 4100 1700 840 2 1600 1100 1250 2250 7600 23100 5610 9490 3880 4800 2100 1200 3 2100 3100 2920 3880 8440 13700 848 7410 3440 5600 3200 960 4 1100 2900 3530 3450 8260 4840 5750 5950 6430 829 4600 788 5 720 3400 4860 6340 7950 5070 8340 7020 1190 2760 4800 906 6 780 2500 3100 8550 8430 6380 6250 8930 576 7130 2600 842 7 940 1600 2970 8610 5600 8250 6500 8150 2370 5020 2600 881 8 700 1500 3770 8600 657 8430 8610 8970 3160 3240 1900 2760 9 740 1000 6050 8540 5670 8400 8620 1430 1450 5530 1100 6710 10 1000 1400 5880 6600 7360 8780 8200 682 819 5760 1200 2020 11 880 2000 4980 7070 6740 10300 1780 3060 825 5250 1300 3290 12 800 3600 4750 8660 6540 10400 622 4530 2430 3580 1600 989 13 800 4050 4690 7870 7980 10500 7010 4630 978 4650 1800 805 14 1200 3830 4700 8380 8080 10700 10600 4890 1060 637 900 1500 15 1000 4330 4940 2190 7730 8610 10300 4000 954 1790 750 5040 16 860 4070 4070 591 8130 9960 3420 4140 609 2790 1000 8390 17 900 4560 5950 597 8740 10600 7370 1040 1240 1850 2200 8380 18 740 2660 7450 833 8330 8800 7560 5010 642 1970 4400 6180 19 800 1980 6470 1100 5980 8810 5170 6540 1100 904 2000 742 20 760 3660 4950 3290 660 5690 4670 8210 2760 2100 1100 2900 21 800 4210 2700 7530 658 2600 7970 3220 3350 5010 1000 1620 22 840 1210 4800 3370 1200 3900 6620 4960 2860 3830 980 779 23 800 991 2800 720 4710 6970 8420 4950 5040 3980 960 754 24 780 1590 1830 3440 3930 10500 8370 2710 7230 3770 930 856 25 760 1470 1100 6410 9590 9070 10300 4790 979 2000 940 1020 26 1300 759 2320 4420 10400 6440 9720 4440 2180 1100 980 766 27 1900 646 6540 7590 8790 6340 8520 1980 2920 2800 1500 537 28 3400 1110 8230 6250 13000 6590 8130 4610 3810 3000 2600 1840 29 2500 1560 9800 5040 --- 947 8340 5840 3210 3900 1200 584 30 4500 2490 10100 5180 --- 6040 8990 5590 3370 1700 1000 1610 31 3500 --- 8980 6590 --- 5160 --- 1080 --- 1200 900 --- TOTAL 41210 70776 151700 158741 189565 274777 208350 158132 73712 102580 55840 66489 MEAN 1329 2359 4894 5121 6770 8864 6945 5101 2457 3309 1801 2216 MAX 4500 4560 10100 8660 13000 28900 10600 9880 7230 7130 4800 8390 MIN 700 646 1100 591 657 947 622 682 576 637 750 537 CFSM 0.44 0.77 1.60 1.68 2.22 2.91 2.28 1.67 0.81 1.08 0.59 0.73 IN. 0.50 0.86 1.85 1.94 2.31 3.35 2.54 1.93 0.90 1.25 0.68 0.81 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1987, BY WATER YEAR (WY) MEAN 3497 3727 4266 5166 5921 6275 5747 4468 4059 3477 3598 3256 MAX 10680 12400 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1978 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 721 858 1042 1415 1371 1954 1211 910 1216 933 1224 998 (WY) 1955 1955 1956 1956 1977 1981 1985 1986 1956 1986 1962 1954 SUMMARY STATISTICS FOR 1986 CALENDAR YEAR FOR 1987 WATER YEAR WATER YEARS 1896 - 1987 ANNUAL TOTAL 810310 1551872 ANNUAL MEAN 2220 4252 4450 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 2082 1955 HIGHEST DAILY MEAN 10100 Dec 30 28900 Mar 1 127000 May 23 1901 LOWEST DAILY MEAN 227 Apr 26 537 Sep 27 227 Apr 26 1986 ANNUAL SEVEN-DAY MINIMUM 626 Sep 12 789 Oct 18 541 Oct 19 1954 MAXIMUM PEAK FLOW 151000 May 23 1901 MAXIMUM PEAK STAGE 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 0.728 1.39 1.46 ANNUAL RUNOFF (INCHES) 9.88 18.93 19.82 10 PERCENT EXCEEDS 5000 8600 8660 50 PERCENT EXCEEDS 1390 3450 3640 90 PERCENT EXCEEDS 641 813 936 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1987 TO SEPTEMBER 1988 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 1380 627 9760 1520 1740 774 1540 669 558 953 1210 585 2 1090 663 8940 3780 3680 700 1730 605 606 927 709 618 3 597 915 2570 3220 9930 956 616 969 585 932 696 774 4 1070 1420 3050 4970 8930 1930 1240 1110 600 953 798 605 5 644 1510 677 2970 8630 1850 1540 2270 767 962 735 631 6 604 4850 627 7220 3720 641 834 2710 854 864 625 2730 7 2390 925 2400 6140 1070 759 2170 625 860 888 792 842 8 1630 672 2590 7510 3440 711 653 593 754 871 2210 875 9 1270 1650 1070 1250 3760 651 1320 577 723 901 2150 1050 10 928 1090 686 1100 2700 2250 1210 863 712 829 587 2990 11 572 3420 1550 5860 4340 3080 1270 1280 579 889 690 1160 12 2860 3370 1610 8590 4520 688 2010 681 640 775 842 4760 13 3510 1520 697 8700 3240 683 5530 624 618 659 561 1300 14 2040 930 4360 8540 1830 3270 1330 1460 753 2360 615 640 15 853 998 1870 3660 668 5060 698 1350 699 3610 2750 700 16 612 810 8180 1470 4000 1850 2310 2640 854 823 877 800 17 619 707 8970 706 4670 2030 618 1110 872 533 2480 1400 18 614 631 10500 6590 5080 3000 701 715 1320 594 2850 700 19 595 3430 4680 3480 1920 697 2050 1220 898 1520 955 660 20 662 2930 651 5510 2920 880 747 765 1930 1040 527 640 21 666 1190 3000 7550 1670 1840 1610 663 3930 2310 564 620 22 562 641 5690 8650 2080 1480 1800 649 4130 677 683 720 23 857 1180 2510 8610 5010 1510 619 2620 1220 888 605 1500 24 631 2270 2830 8640 4150 801 646 651 872 820 610 780 25 545 587 2370 8670 5670 708 4540 641 939 1510 614 640 26 600 1210 3270 8740 4790 645 2670 673 1100 673 1310 760 27 1360 1170 5320 8770 900 937 1790 806 906 764 636 950 28 3910 743 9430 9110 630 2500 717 935 1410 1690 674 1200 29 1960 4550 7640 5770 5520 3140 881 588 971 2510 673 860 30 954 9330 7100 759 --- 672 607 754 988 711 749 720 31 601 --- 7100 657 --- 628 --- 1030 --- 1090 544 --- TOTAL 37186 55939 131698 168712 111208 47321 45997 32846 32648 35526 31321 33210 MEAN 1200 1865 4248 5442 3835 1526 1533 1060 1088 1146 1010 1107 MAX 3910 9330 10500 9110 9930 5060 5530 2710 4130 3610 2850 4760 MIN 545 587 627 657 630 628 607 577 558 533 527 585 CFSM 0.39 0.61 1.39 1.78 1.26 0.50 0.50 0.35 0.36 0.38 0.33 0.36 IN. 0.45 0.68 1.61 2.06 1.36 0.58 0.56 0.40 0.40 0.43 0.38 0.41 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1988, BY WATER YEAR (WY) MEAN 3454 3692 4266 5171 5880 6186 5669 4405 4004 3434 3550 3216 MAX 10680 12400 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1978 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 721 858 1042 1415 1371 1526 1211 910 1088 933 1010 998 (WY) 1955 1955 1956 1956 1977 1988 1985 1986 1988 1986 1988 1954 SUMMARY STATISTICS FOR 1987 CALENDAR YEAR FOR 1988 WATER YEAR WATER YEARS 1896 - 1988 ANNUAL TOTAL 1513009 763612 ANNUAL MEAN 4145 2086 4405 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 2082 1955 HIGHEST DAILY MEAN 28900 Mar 1 10500 Dec 18 127000 May 23 1901 LOWEST DAILY MEAN 537 Sep 27 527 Aug 20 227 Apr 26 1986 ANNUAL SEVEN-DAY MINIMUM 619 Oct 16 619 Oct 16 541 Oct 19 1954 MAXIMUM PEAK FLOW 151000 May 23 1901 MAXIMUM PEAK STAGE 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 1.36 0.684 1.44 ANNUAL RUNOFF (INCHES) 18.45 9.31 19.62 10 PERCENT EXCEEDS 8610 5150 8640 50 PERCENT EXCEEDS 3220 1040 3600 90 PERCENT EXCEEDS 680 618 912 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1988 TO SEPTEMBER 1989 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 605 2090 3080 4130 1750 5650 6610 6000 2280 902 1080 1310 2 700 1300 2490 3500 4290 7270 4940 5360 838 966 2750 977 3 1700 1280 1700 3240 2230 8150 5190 2850 919 1260 7630 2250 4 1300 665 1240 4320 771 1120 4100 7110 824 4280 7790 3300 5 2900 637 2680 3890 805 7320 3750 6880 1660 8730 5520 6040 6 700 738 2340 2330 734 6490 9110 5610 689 7570 1540 6910 7 625 842 2380 857 2100 6230 9590 5900 699 7560 4600 2690 8 700 656 2380 1530 1160 7120 5840 8860 1230 7530 2440 4310 9 690 611 726 3740 2830 7940 4030 8600 720 1960 966 1050 10 1000 644 1780 1520 2690 9660 5370 3980 3510 7460 1490 1020 11 1400 622 671 833 1820 9410 7380 6110 1860 8300 1020 2030 12 2100 642 6530 2300 2190 7670 4270 7690 2950 7400 970 1880 13 800 630 3910 4960 781 10200 2440 4750 2110 9780 905 4870 14 1700 2670 2400 5620 751 10400 1410 2260 3520 6470 878 1260 15 1300 2400 2610 3880 753 4690 1350 6510 1960 8310 931 3160 16 800 603 2230 3130 758 7830 1520 8160 3590 3950 2100 1050 17 800 715 739 2760 4170 6140 4390 5390 4310 3540 2470 952 18 880 819 670 1220 4450 2050 3080 6780 1820 2800 1020 4820 19 1350 666 926 848 2940 1940 979 1500 4060 4120 839 9790 20 1400 627 737 1840 4260 4440 4510 843 5620 7480 927 4720 21 1050 635 689 4470 4460 3480 6210 2080 4600 4610 3170 8280 22 1270 677 769 2550 960 3140 2360 5210 6480 4490 4920 10400 23 1030 697 691 898 1510 6330 1080 7260 6740 4700 6200 3570 24 1390 2020 820 780 2830 12800 1170 3500 8210 7140 9310 5140 25 1310 666 811 964 2960 4650 821 5250 4540 6480 3770 6260 26 810 665 1530 975 2620 4070 671 3590 6360 5630 1550 8320 27 1000 720 1240 1530 5090 7070 2310 3620 6450 4940 1640 7960 28 900 1400 1340 778 7490 8900 940 1360 4510 2300 3450 8640 29 780 3410 1780 790 --- 7010 874 1200 1340 1400 1850 7030 30 730 3950 1340 1440 --- 7250 1050 2450 2210 1420 2610 9690 31 1400 --- 1350 2720 --- 7350 --- 3320 --- 1050 2420 --- TOTAL 35120 34697 54579 74343 70153 203770 107345 149983 96609 154528 88756 139679 MEAN 1133 1157 1761 2398 2505 6573 3578 4838 3220 4985 2863 4656 MAX 2900 3950 6530 5620 7490 12800 9590 8860 8210 9780 9310 10400 MIN 605 603 670 778 734 1120 671 843 689 902 839 952 CFSM 0.37 0.38 0.58 0.79 0.82 2.16 1.17 1.59 1.06 1.63 0.94 1.53 IN. 0.43 0.42 0.67 0.91 0.86 2.49 1.31 1.83 1.18 1.88 1.08 1.70 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1989, BY WATER YEAR (WY) MEAN 3411 3645 4219 5120 5818 6193 5631 4413 3990 3462 3538 3242 MAX 10680 12400 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1978 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 721 858 1042 1415 1371 1526 1211 910 1088 933 1010 998 (WY) 1955 1955 1956 1956 1977 1988 1985 1986 1988 1986 1988 1954 SUMMARY STATISTICS FOR 1988 CALENDAR YEAR FOR 1989 WATER YEAR WATER YEARS 1896 - 1989 ANNUAL TOTAL 663185 1209562 ANNUAL MEAN 1812 3314 4385 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 2082 1955 HIGHEST DAILY MEAN 9930 Feb 3 12800 Mar 24 127000 May 23 1901 LOWEST DAILY MEAN 527 Aug 20 603 Nov 16 227 Apr 26 1986 ANNUAL SEVEN-DAY MINIMUM 640 Aug 27 664 Nov 7 541 Oct 19 1954 MAXIMUM PEAK FLOW 151000 May 23 1901 MAXIMUM PEAK STAGE 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 0.594 1.09 1.44 ANNUAL RUNOFF (INCHES) 8.09 14.75 19.53 10 PERCENT EXCEEDS 4140 7470 8610 50 PERCENT EXCEEDS 952 2380 3590 90 PERCENT EXCEEDS 625 738 905 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1989 TO SEPTEMBER 1990 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 29400 6180 6000 5630 7690 9210 8820 9100 9930 903 1810 2150 2 50100 6960 5450 7620 8950 9330 10100 8390 3670 1270 1760 1400 3 31100 6280 4370 7280 5710 8580 9530 7020 3680 697 1580 1750 4 18800 3260 6620 5270 6540 4070 8540 4200 3790 1320 3460 1950 5 11500 1400 4320 7320 7020 10500 9180 3100 5400 945 1110 3620 6 8330 1470 3560 7510 8920 10500 10600 2760 2100 844 1670 4140 7 5920 4410 2600 7100 9080 10600 8930 2530 4280 1120 1950 4610 8 6170 3980 4610 5910 8440 10700 8610 2980 5590 1080 2530 4310 9 7480 3930 2750 4880 8440 10800 10600 1570 4100 1840 2490 1700 10 8710 3910 2290 6440 3960 10800 9980 4340 2590 821 678 3670 11 8310 1040 6160 7230 1880 7130 9070 6750 5040 744 794 5700 12 8790 2770 5130 7730 6800 8820 7180 2680 5680 596 1480 3830 13 7910 3170 5380 7740 7850 8130 4860 5510 7010 1260 2090 4100 14 5720 4650 4160 7010 7920 7980 2080 4770 4530 2470 2290 1560 15 5600 1910 6860 6160 7670 7780 4390 4860 4660 1020 3010 1160 16 7570 5960 6830 7790 7570 9780 6900 5410 1110 2850 5070 1200 17 8430 7110 8610 8150 14300 8520 7050 3780 2500 3320 3330 1150 18 8740 6070 8080 7970 11000 10500 5350 1990 5810 2350 1860 1090 19 8640 4230 7390 8960 13200 10600 5190 2610 4860 1720 1870 868 20 6260 5190 6750 8570 11000 10800 2100 968 1250 2480 3640 3510 21 5460 6310 8150 4620 11000 10900 3070 3610 1330 1160 1170 988 22 1440 7710 9480 7610 11000 10900 2040 1980 1470 2240 1540 1080 23 7670 7610 8120 7330 11100 10900 3450 867 642 3030 1800 718 24 6320 6590 5910 8250 11000 9460 2870 3240 873 2400 821 2030 25 9250 7690 6300 6450 11000 8680 4710 2470 921 1930 1130 2350 26 7130 3520 4250 8490 10100 10500 5140 3640 743 3570 3250 1130 27 7810 8210 6590 7270 10500 10900 2650 2560 1300 1420 5650 1680 28 6790 6280 4680 5840 11000 10900 1440 3800 1650 2570 5420 1000 29 2260 5800 5760 7890 --- 10900 3570 7820 1920 2260 5630 975 30 5390 6640 1850 8760 --- 11000 7570 1230 1140 3200 2410 979 31 6860 --- 4570 8310 --- 10200 --- 8100 --- 3320 1260 --- TOTAL 319860 150240 173580 223090 250640 300370 185570 124635 99569 56750 74553 66398 MEAN 10320 5008 5599 7196 8951 9689 6186 4020 3319 1831 2405 2213 MAX 50100 8210 9480 8960 14300 11000 10600 9100 9930 3570 5650 5700 MIN 1440 1040 1850 4620 1880 4070 1440 867 642 596 678 718 CFSM 3.38 1.64 1.84 2.36 2.93 3.18 2.03 1.32 1.09 0.60 0.79 0.73 IN. 3.90 1.83 2.12 2.72 3.06 3.66 2.26 1.52 1.21 0.69 0.91 0.81 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1990, BY WATER YEAR (WY) MEAN 3537 3669 4244 5157 5875 6256 5641 4406 3978 3433 3517 3224 MAX 10680 12400 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1978 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 721 858 1042 1415 1371 1526 1211 910 1088 933 1010 998 (WY) 1955 1955 1956 1956 1977 1988 1985 1986 1988 1986 1988 1954 SUMMARY STATISTICS FOR 1989 CALENDAR YEAR FOR 1990 WATER YEAR WATER YEARS 1896 - 1990 ANNUAL TOTAL 1728846 2025255 ANNUAL MEAN 4737 5549 4406 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 2082 1955 HIGHEST DAILY MEAN 50100 Oct 2 50100 Oct 2 127000 May 23 1901 LOWEST DAILY MEAN 671 Apr 26 596 Jul 12 227 Apr 26 1986 ANNUAL SEVEN-DAY MINIMUM 959 Jan 23 1010 Jul 6 541 Oct 19 1954 MAXIMUM PEAK FLOW 151000 May 23 1901 MAXIMUM PEAK STAGE 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 1.55 1.82 1.44 ANNUAL RUNOFF (INCHES) 21.09 24.70 19.63 10 PERCENT EXCEEDS 8240 10100 8640 50 PERCENT EXCEEDS 4310 5190 3600 90 PERCENT EXCEEDS 968 1170 907 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1990 TO SEPTEMBER 1991 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 1350 5200 2530 5020 10100 2490 9330 9330 4610 2710 6600 4510 2 2370 4800 2440 5560 7950 3270 10200 9720 3110 2850 5580 1830 3 5190 4500 3030 7190 6420 4440 8520 8380 6500 733 2070 819 4 4870 4200 4140 8180 8640 10800 6660 8480 3280 2290 3910 1560 5 2790 4000 3530 10300 10100 5540 6740 8160 5230 1330 1840 1310 6 2190 5500 4050 8360 10100 5280 6940 6860 5280 3060 3370 3410 7 2250 7000 3020 7960 7590 4300 5990 7560 3950 3500 3590 2470 8 4990 4000 4940 7360 8110 5660 7520 8400 2500 2760 3100 2050 9 5450 2500 2790 6640 7850 7980 6180 7400 921 3510 3340 2760 10 4120 1700 1870 10000 2190 6380 2350 8090 1940 4470 4100 975 11 2450 1600 4120 8620 8510 4460 6470 7750 2690 2600 4110 1860 12 1080 5200 4550 7410 7260 3260 8540 5630 852 1750 2310 2270 13 9710 4860 4880 5250 7240 5990 8540 6760 606 1440 5680 2180 14 14000 5060 3080 7090 8610 4910 6240 6160 2350 1600 5450 1620 15 9000 5030 1530 8800 7230 5780 8630 6660 1940 2460 2890 1590 16 6000 2240 739 7200 4910 7080 7630 3830 2890 1820 4860 3310 17 5000 1000 1970 8050 1400 3840 8600 3880 3010 1550 7410 3620 18 8000 900 4710 8710 3950 2030 7830 1240 3190 889 7990 1580 19 7000 1500 2830 6060 5380 5630 8700 2700 5430 1250 6450 1900 20 6500 1810 4430 4180 6450 5730 6190 7410 5610 1420 5410 1080 21 6000 1660 3930 8120 7100 5670 9240 7630 6260 1020 2670 1030 22 8000 1000 1050 10400 6860 7130 10200 7470 5110 955 1070 856 23 24000 800 793 10500 5270 3010 10400 8140 4400 1860 2640 938 24 11000 900 1750 10500 2580 4540 10800 8040 6170 2540 4340 3620 25 8000 1300 3180 10100 6080 4700 10300 5430 5560 4420 2520 1370 26 7000 1810 3810 8750 4880 5680 9540 1660 4740 3990 1690 1910 27 6600 2380 5530 4540 3960 5100 8390 2540 5650 2180 1490 1030 28 6400 2640 6360 8410 2660 3430 7650 4760 5850 855 776 1070 29 6000 1660 5370 9620 --- 4570 8100 6180 4770 2370 1940 1130 30 5600 2350 1690 10000 --- 9240 7890 6260 4310 2540 3220 2060 31 5400 --- 3860 9210 --- 10300 --- 7110 --- 5900 3520 --- TOTAL 198310 89100 102502 248090 179380 168220 240310 199620 118709 72622 115936 57718 MEAN 6397 2970 3307 8003 6406 5426 8010 6439 3957 2343 3740 1924 MAX 24000 7000 6360 10500 10100 10800 10800 9720 6500 5900 7990 4510 MIN 1080 800 739 4180 1400 2030 2350 1240 606 733 776 819 CFSM 2.10 0.97 1.08 2.62 2.10 1.78 2.63 2.11 1.30 0.77 1.23 0.63 IN. 2.42 1.09 1.25 3.03 2.19 2.05 2.93 2.43 1.45 0.89 1.41 0.70 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1991, BY WATER YEAR (WY) MEAN 3588 3657 4228 5208 5884 6242 5682 4441 3978 3414 3521 3201 MAX 10680 12400 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1978 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 721 858 1042 1415 1371 1526 1211 910 1088 933 1010 998 (WY) 1955 1955 1956 1956 1977 1988 1985 1986 1988 1986 1988 1954 SUMMARY STATISTICS FOR 1990 CALENDAR YEAR FOR 1991 WATER YEAR WATER YEARS 1896 - 1991 ANNUAL TOTAL 1790517 ANNUAL MEAN 4906 4415 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 2082 1955 HIGHEST DAILY MEAN 24000 Oct 23 127000 May 23 1901 LOWEST DAILY MEAN 606 Jun 13 227 Apr 26 1986 ANNUAL SEVEN-DAY MINIMUM 1220 Nov 18 541 Oct 19 1954 MAXIMUM PEAK FLOW 151000 May 23 1901 MAXIMUM PEAK STAGE 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 1.61 1.45 ANNUAL RUNOFF (INCHES) 21.84 19.67 10 PERCENT EXCEEDS 8620 8640 50 PERCENT EXCEEDS 4710 3610 90 PERCENT EXCEEDS 1410 916 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1991 TO SEPTEMBER 1992 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 1090 1710 825 2850 6390 7110 4560 8040 4010 4090 737 899 2 3770 2310 2880 3840 6300 8450 5850 3550 6300 7600 830 907 3 5700 895 1950 4030 3450 7890 3660 1430 8950 6400 872 890 4 5310 1470 5680 4200 2840 9270 2160 3000 5760 4840 880 1040 5 1980 864 4900 6720 4770 6220 1030 6580 8310 4020 976 1030 6 716 1930 6290 8210 3290 4130 1760 5160 7920 2360 747 2250 7 838 1100 7220 7620 2740 3180 894 6150 5850 6320 725 2480 8 658 745 2770 4340 1900 2750 821 8960 7260 3250 1020 2800 9 1360 1800 4490 6150 2160 6650 1230 6540 8670 3680 710 4380 10 764 969 4730 7570 3340 6330 3360 4380 9830 3200 2850 4020 11 774 1330 4580 8650 3330 7300 929 4670 8760 3620 1280 6060 12 624 1700 4750 4010 1670 7560 672 4990 8970 1800 997 2050 13 887 1700 2370 3860 4320 7660 736 5720 10200 977 1690 972 14 1070 756 942 4240 5290 6590 1270 6090 10200 2600 2820 792 15 666 807 2140 6760 4150 3180 1210 6330 10200 1070 867 772 16 811 778 898 7270 3090 7370 1380 5440 16500 848 1710 1910 17 887 712 2320 7410 4110 4220 809 4520 10900 744 2260 4480 18 3630 2140 1210 3170 4310 5730 1010 3330 10900 972 3370 2020 19 857 1500 3170 2910 4070 4370 1030 5420 10500 691 3040 1570 20 666 1100 4640 6070 2560 4560 1800 4070 10500 888 3830 1360 21 672 1390 2510 3700 2520 3790 1800 5030 10700 742 3040 2770 22 629 1350 2610 4550 1780 2280 3270 4420 10700 2430 1780 4620 23 684 2090 866 4780 1990 3610 4800 3820 10600 757 1280 5560 24 750 1020 1420 3540 5960 4070 9880 929 10100 776 5890 1280 25 637 4610 1000 3860 6900 4330 8040 791 10500 2700 7910 1140 26 686 5300 962 3550 1670 3870 6500 3410 5870 2510 6760 1040 27 1150 5140 3060 5760 2770 6480 6620 4820 947 3370 4930 2960 28 1030 742 4020 6630 7180 5240 7350 3890 1120 3080 3400 4100 29 1460 762 3730 6390 8480 2540 9470 5540 1820 3650 990 3540 30 836 702 2870 6840 --- 3770 8120 1100 5100 3740 830 5580 31 986 --- 3810 6250 --- 2430 --- 1710 --- 3280 922 --- TOTAL 42578 49422 95613 165730 113330 162930 102021 139830 247947 87005 69943 75272 MEAN 1373 1647 3084 5346 3908 5256 3401 4511 8265 2807 2256 2509 MAX 5700 5300 7220 8650 8480 9270 9880 8960 16500 7600 7910 6060 MIN 624 702 825 2850 1670 2280 672 791 947 691 710 772 CFSM 0.45 0.54 1.01 1.75 1.28 1.72 1.11 1.48 2.71 0.92 0.74 0.82 IN. 0.52 0.60 1.17 2.02 1.38 1.99 1.24 1.71 3.02 1.06 0.85 0.92 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1992, BY WATER YEAR (WY) MEAN 3549 3622 4208 5211 5849 6224 5643 4443 4052 3404 3500 3189 MAX 10680 12400 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1978 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 721 858 1042 1415 1371 1526 1211 910 1088 933 1010 998 (WY) 1955 1955 1956 1956 1977 1988 1985 1986 1988 1986 1988 1954 SUMMARY STATISTICS FOR 1991 CALENDAR YEAR FOR 1992 WATER YEAR WATER YEARS 1896 - 1992 ANNUAL TOTAL 1351621 ANNUAL MEAN 3693 4402 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 2082 1955 HIGHEST DAILY MEAN 16500 Jun 16 127000 May 23 1901 LOWEST DAILY MEAN 624 Oct 12 227 Apr 26 1986 ANNUAL SEVEN-DAY MINIMUM 675 Oct 20 541 Oct 19 1954 MAXIMUM PEAK FLOW 27100 Jun 16 151000 May 23 1901 MAXIMUM PEAK STAGE 10.64 Jun 16 24.15 May 23 1901 INSTANTANEOUS LOW FLOW 194 Oct 15 ANNUAL RUNOFF (CFSM) 1.21 1.44 ANNUAL RUNOFF (INCHES) 16.49 19.61 10 PERCENT EXCEEDS 7580 8620 50 PERCENT EXCEEDS 3220 3600 90 PERCENT EXCEEDS 810 907 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1992 TO SEPTEMBER 1993 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 4090 2070 10900 6750 9510 9450 18200 3890 5300 2010 1630 1620 2 2360 2950 9530 3940 9750 8590 17000 1860 3730 1100 956 1780 3 2180 4350 9210 6370 9760 6430 14800 5110 4140 686 1960 944 4 4130 6960 9730 5260 9760 5060 14800 6620 7480 629 1100 922 5 2130 8080 10700 6860 9600 7260 14500 6900 2050 604 900 876 6 5960 7120 8800 6950 9320 11400 5410 7330 1360 1300 650 872 7 9660 8580 8330 6970 7580 11200 9330 8940 1480 2310 804 695 8 9070 5670 8470 7240 7260 8350 11900 7890 2840 1650 1200 1060 9 4540 6710 8410 13000 9280 9210 12700 8260 5480 1570 3770 1710 10 10400 5380 8720 7800 5510 9420 7970 9810 5720 881 1550 1760 11 10400 5240 9090 10800 6010 5350 6820 7370 4300 764 1150 1380 12 10400 6020 8670 16700 7010 9230 9470 7500 1810 655 1000 906 13 10600 3490 9280 10700 6300 6910 9470 7820 1680 687 1220 1170 14 10300 5270 9980 10800 8800 9220 8380 9140 1310 1290 1230 1480 15 8800 4100 9370 10200 8850 2970 8600 7750 1100 3800 1520 1870 16 7690 4200 8790 9530 8450 7160 8600 3310 1910 1330 1430 3600 17 5600 5360 7150 9490 7120 8450 8240 6270 4290 880 6550 1610 18 3320 6270 7190 9530 10300 8450 7340 9620 3010 1100 7070 2800 19 5850 6140 7090 9510 9830 9700 7280 5310 2230 2520 3740 1270 20 5720 6330 6680 9500 9310 7560 8700 3070 1610 1570 1680 675 21 4270 6750 7300 15500 7810 7600 10800 3500 1930 2150 984 1470 22 3170 5450 7300 17100 4290 10000 9060 3430 1700 2270 1260 3110 23 2000 8240 7300 11400 8310 12000 10700 2390 1450 1530 1440 1360 24 1330 8780 7300 11400 8820 23000 8070 1580 1490 824 2380 1250 25 1840 8550 6480 11000 8240 24900 6580 4650 1560 971 3750 1250 26 3330 7680 3020 11300 8680 27600 10800 4490 1310 920 3800 875 27 2860 11400 6590 10700 8570 34500 9550 6950 1370 1470 2710 1240 28 1820 11700 7290 8860 8570 21300 7740 3740 1300 4560 3460 808 29 2810 11700 7160 9150 --- 17900 9800 3730 1190 5730 3800 723 30 2960 11600 7160 9210 --- 17800 7230 3230 918 6710 4240 773 31 1890 --- 7130 9480 --- 20100 --- 2990 --- 1110 2840 --- TOTAL 161480 202140 250120 303000 232600 378070 299840 174450 77048 55581 71774 41859 MEAN 5209 6738 8068 9774 8307 12200 9995 5627 2568 1793 2315 1395 MAX 10600 11700 10900 17100 10300 34500 18200 9810 7480 6710 7070 3600 MIN 1330 2070 3020 3940 4290 2970 5410 1580 918 604 650 675 CFSM 1.71 2.21 2.65 3.20 2.72 4.00 3.28 1.85 0.84 0.59 0.76 0.46 IN. 1.97 2.47 3.05 3.70 2.84 4.61 3.66 2.13 0.94 0.68 0.88 0.51 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1993, BY WATER YEAR (WY) MEAN 3578 3675 4274 5289 5891 6327 5717 4463 4026 3376 3479 3159 MAX 10680 12400 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1978 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 721 858 1042 1415 1371 1526 1211 910 1088 933 1010 998 (WY) 1955 1955 1956 1956 1977 1988 1985 1986 1988 1986 1988 1954 SUMMARY STATISTICS FOR 1992 CALENDAR YEAR FOR 1993 WATER YEAR WATER YEARS 1896 - 1993 ANNUAL TOTAL 2247962 ANNUAL MEAN 6159 4433 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 2082 1955 HIGHEST DAILY MEAN 34500 Mar 27 127000 May 23 1901 LOWEST DAILY MEAN 604 Jul 5 227 Apr 26 1986 ANNUAL SEVEN-DAY MINIMUM 988 Sep 24 541 Oct 19 1954 MAXIMUM PEAK FLOW 41800 Mar 24 151000 May 23 1901 MAXIMUM PEAK STAGE 13.58 Mar 24 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 2.02 1.45 ANNUAL RUNOFF (INCHES) 27.42 19.75 10 PERCENT EXCEEDS 10700 8690 50 PERCENT EXCEEDS 6300 3620 90 PERCENT EXCEEDS 1160 913 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1993 TO SEPTEMBER 1994 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 1010 1440 1550 1160 7560 7250 7870 1220 1270 7000 3450 9400 2 691 2390 839 1200 8320 3870 9370 1100 1210 3010 3870 4310 3 798 1010 1640 3230 9760 3170 4850 2250 874 7460 2910 7270 4 783 955 3360 5460 6440 5430 6520 2490 942 6640 4540 4900 5 2660 1100 5110 6520 5280 8080 9030 1280 836 6590 4940 3940 6 1130 1320 4950 4840 3220 6890 9080 1160 1520 4610 1930 6090 7 880 1400 4790 5030 5310 8520 7980 1560 2460 1030 1510 5850 8 616 953 5850 2510 6340 9080 8140 1240 2730 810 1100 4990 9 829 1820 2290 3080 7260 7740 5580 3110 1470 1350 1930 3850 10 1180 856 5420 6470 8180 7530 3650 3800 2760 1230 2640 4850 11 860 881 6790 5510 7060 7090 7970 838 1010 1240 2070 1330 12 568 852 3260 3680 3630 6180 8330 2050 1120 930 2540 3040 13 728 990 4300 6050 5410 5590 7350 1240 3370 1150 1220 1160 14 646 804 2530 8780 6790 6940 6580 1780 4500 943 509 4730 15 733 893 2460 8800 6840 6590 7050 2130 6070 845 2930 1780 16 954 621 1650 7110 7390 5980 5820 2410 2220 1580 3440 2990 17 1180 720 2010 6770 6970 8440 3780 1260 2110 1040 8170 1430 18 978 791 1350 6680 7120 6950 4380 1040 1670 2330 14800 890 19 586 590 2100 10400 5310 5520 6340 1220 888 765 33700 1430 20 921 726 6000 7680 3830 4790 6110 690 1460 2350 22600 1150 21 1170 969 6940 7830 6300 6880 5560 873 1410 2270 20200 1430 22 726 1010 8040 3560 7800 5670 3610 1290 1920 2910 15400 782 23 810 723 5620 3320 10100 4100 3580 1480 2440 3900 12000 908 24 1160 881 5900 3870 5150 6950 3180 1940 1220 2650 10700 1180 25 747 707 2500 5790 5480 5410 3370 1360 826 2390 8240 3080 26 692 601 1200 4540 5100 5510 7770 1360 1020 2500 11200 3320 27 661 1650 1550 10500 6550 6320 5510 1170 2470 2950 6420 5390 28 705 1810 3400 4640 7120 9720 3910 867 3350 5190 5340 3980 29 721 5390 4570 7490 --- 7250 5040 754 2480 3800 7790 2660 30 731 3200 5030 3820 --- 7060 2180 1140 5930 3760 8250 2330 31 835 --- 1960 6770 --- 8720 --- 1080 --- 2030 10400 --- TOTAL 27689 38053 114959 173090 181620 205220 179490 47182 63556 87253 236739 100440 MEAN 893 1268 3708 5584 6486 6620 5983 1522 2119 2815 7637 3348 MAX 2660 5390 8040 10500 10100 9720 9370 3800 6070 7460 33700 9400 MIN 568 590 839 1160 3220 3170 2180 690 826 765 509 782 CFSM 0.29 0.42 1.22 1.83 2.13 2.17 1.96 0.50 0.69 0.92 2.50 1.10 IN. 0.34 0.46 1.40 2.11 2.22 2.50 2.19 0.58 0.78 1.06 2.89 1.23 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1994, BY WATER YEAR (WY) MEAN 3532 3635 4265 5294 5901 6332 5721 4414 3995 3367 3549 3162 MAX 10680 12400 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1978 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 721 858 1042 1415 1371 1526 1211 910 1088 933 1010 998 (WY) 1955 1955 1956 1956 1977 1988 1985 1986 1988 1986 1988 1954 SUMMARY STATISTICS FOR 1993 CALENDAR YEAR FOR 1994 WATER YEAR WATER YEARS 1896 - 1994 ANNUAL TOTAL 1455291 ANNUAL MEAN 3987 4425 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 2082 1955 HIGHEST DAILY MEAN 33700 Aug 19 127000 May 23 1901 LOWEST DAILY MEAN 509 Aug 14 227 Apr 26 1986 ANNUAL SEVEN-DAY MINIMUM 727 Oct 25 541 Oct 19 1954 MAXIMUM PEAK FLOW 34100 Aug 19 151000 May 23 1901 MAXIMUM PEAK STAGE 12.03 Aug 19 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 1.31 1.45 ANNUAL RUNOFF (INCHES) 17.75 19.71 10 PERCENT EXCEEDS 7850 8680 50 PERCENT EXCEEDS 3170 3620 90 PERCENT EXCEEDS 837 907 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1994 TO SEPTEMBER 1995 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 3390 3830 6170 4150 8230 6240 1730 1530 1680 6990 3130 5000 2 2240 2800 6010 3820 8370 8000 1560 2090 4350 6080 3230 3000 3 1180 2430 3520 6400 9160 9130 4040 2420 5340 5880 3500 1000 4 1440 2870 2790 5910 10900 10400 1320 1950 3220 2900 2070 800 5 1570 1700 5190 6600 11500 8130 1280 1340 6630 3980 1620 900 6 1650 2340 5330 7430 9820 9720 1150 1460 4680 6790 1110 3000 7 1370 4750 7630 4540 7610 6330 2220 995 6760 3480 1000 3500 8 945 2940 7580 3800 6420 4590 1200 2640 4780 2330 1400 4500 9 1500 4760 6980 6770 8600 6380 2490 1770 7340 3200 2500 4000 10 4600 4280 4300 6250 9660 8660 2130 3590 5660 4170 3000 2600 11 3740 1760 3440 7980 4370 8650 2060 4900 2640 5830 3100 4000 12 3430 880 6700 9360 8390 8240 2080 3170 4290 6300 1000 3100 13 3170 1600 5750 6930 8190 7130 1530 1340 6130 5970 1100 4500 14 3440 1600 3500 4180 7180 4120 1770 2610 5350 6350 2500 3000 15 3400 2230 4330 10500 8370 4360 1470 4730 6180 5360 5200 2700 16 1040 1530 4930 13000 9900 4140 1710 1610 5780 2400 5600 2400 17 4440 1860 3470 12900 18000 3600 1260 4230 4530 3360 6000 3400 18 4270 1930 3090 12900 12700 4210 2250 4320 3020 1740 2500 2500 19 5720 2610 3960 13300 10900 4640 3630 2230 3690 2040 1100 3000 20 6040 1600 4470 14100 9800 4650 2720 2000 2440 1520 1000 3700 21 3870 3100 6230 12500 9480 3580 2010 913 3760 1620 1100 4000 22 1320 3280 2880 10800 9540 5620 903 1650 7370 1350 1500 5000 23 3020 1530 2350 11700 10700 7390 949 1980 9460 873 2100 6000 24 2550 3650 2520 11000 10800 4710 2540 3240 7960 1460 1100 3500 25 2990 4800 3210 12100 10800 3630 2480 1210 3630 2460 1700 2500 26 2450 5350 3820 11400 7620 3200 1610 1990 5840 966 4000 1800 27 2830 4220 4600 13300 7880 4830 3010 1110 7440 2670 9000 2500 28 1930 6190 3980 8110 8480 4140 1490 981 6340 2690 17000 3100 29 1740 5600 3630 7000 --- 1800 1780 878 6140 1300 12000 2500 30 1950 4570 2890 9370 --- 2350 816 1520 7380 1070 6000 2000 31 3440 --- 4350 11800 --- 2650 --- 1390 --- 2960 7200 --- TOTAL 86665 92590 139600 279900 263370 175220 57188 67787 159810 106089 114360 93500 MEAN 2796 3086 4503 9029 9406 5652 1906 2187 5327 3422 3689 3117 MAX 6040 6190 7630 14100 18000 10400 4040 4900 9460 6990 17000 6000 MIN 945 880 2350 3800 4370 1800 816 878 1680 873 1000 800 CFSM 0.92 1.01 1.48 2.96 3.08 1.85 0.63 0.72 1.75 1.12 1.21 1.02 IN. 1.06 1.13 1.70 3.41 3.21 2.14 0.70 0.83 1.95 1.29 1.39 1.14 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1995, BY WATER YEAR (WY) MEAN 3520 3625 4268 5357 5959 6321 5658 4377 4016 3368 3551 3161 MAX 10680 12400 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1978 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 721 858 1042 1415 1371 1526 1211 910 1088 933 1010 998 (WY) 1955 1955 1956 1956 1977 1988 1985 1986 1988 1986 1988 1954 SUMMARY STATISTICS FOR 1994 CALENDAR YEAR FOR 1995 WATER YEAR WATER YEARS 1896 - 1995 ANNUAL TOTAL 1636079 ANNUAL MEAN 4482 4426 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 2082 1955 HIGHEST DAILY MEAN 18000 Feb 17 127000 May 23 1901 LOWEST DAILY MEAN 800 Sep 4 227 Apr 26 1986 ANNUAL SEVEN-DAY MINIMUM 1300 May 25 541 Oct 19 1954 MAXIMUM PEAK FLOW 22300 Feb 17 151000 May 23 1901 MAXIMUM PEAK STAGE 9.62 Feb 17 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 1.47 1.45 ANNUAL RUNOFF (INCHES) 19.95 19.72 10 PERCENT EXCEEDS 9140 8680 50 PERCENT EXCEEDS 3600 3620 90 PERCENT EXCEEDS 1350 916 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1995 TO SEPTEMBER 1996 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 1300 4800 6000 3500 10800 7940 5840 5680 963 2410 1880 1590 2 3500 7400 5200 5000 9510 6150 5050 5410 897 1560 1220 1690 3 4400 10000 4600 4000 17100 3910 5640 3010 938 816 1830 4910 4 8000 4700 4000 3800 13900 6720 6050 3560 1040 960 2230 8790 5 11000 6000 2000 2800 13800 8650 4990 1440 1990 717 1050 7910 6 7000 5000 1190 3800 13700 7740 3390 4700 2500 923 2070 1010 7 10000 5600 4500 6500 13000 2300 3260 3040 1720 1880 2310 1300 8 11000 9900 5800 4100 10300 8080 3470 1310 1210 2940 1620 768 9 10000 6000 4000 5200 10400 7670 2020 1750 2120 2600 2390 2730 10 9500 8000 4300 4400 9960 7950 5390 3810 5250 1550 1560 3690 11 9200 9500 3900 5800 8500 8790 3380 1200 2580 2530 1690 2060 12 9000 11000 3400 5200 9330 8640 3220 1030 1620 1510 4350 1780 13 8500 6000 2500 4700 11300 7960 1950 1270 4840 1060 7100 1990 14 9000 10000 1800 4500 12500 7270 2120 2310 4920 1830 5720 1360 15 9100 8000 2700 5400 11500 7480 1970 1590 2270 2280 6990 1800 16 7700 6000 3700 5900 11500 6540 2810 1930 2390 4390 6900 1460 17 7700 9000 4500 6000 6540 4900 5020 2620 3940 2090 3410 3760 18 7100 5000 3400 7000 1470 5640 4380 2140 2680 3740 3090 1530 19 6900 6400 4400 4700 6610 4850 4210 1340 2040 1970 6070 1840 20 4500 4500 4000 9000 9380 9560 2270 1430 4290 1260 5930 1460 21 3200 2500 3800 10000 8900 10800 2930 2120 5210 864 6070 2520 22 2100 2000 4300 10000 8380 9320 3180 1640 3390 887 8380 1350 23 3500 3000 3600 9600 7780 2860 2460 2130 1770 2690 3810 1570 24 5000 3200 2600 8300 4380 3250 1770 1700 5250 2160 2600 851 25 6400 5400 1500 10500 2300 3600 2360 747 5230 701 2480 1730 26 6600 3500 2000 10100 5680 3990 2770 897 3280 1010 2940 1890 27 5800 3600 4500 10700 6640 4040 1670 1590 1480 1750 6270 1820 28 9200 4000 3000 10500 8210 8630 3630 1890 1630 1040 7790 1480 29 6400 6000 3800 11000 9140 9010 4360 2400 850 1730 6910 1450 30 8000 7400 3700 11500 --- 5110 6120 2220 1180 2090 9100 2120 31 9500 --- 3300 10400 --- 4420 --- 2900 --- 1580 3480 --- TOTAL 220100 183400 111990 213900 272510 203770 107680 70804 79468 55518 129240 70209 MEAN 7100 6113 3613 6900 9397 6573 3589 2284 2649 1791 4169 2340 MAX 11000 11000 6000 11500 17100 10800 6120 5680 5250 4390 9100 8790 MIN 1300 2000 1190 2800 1470 2300 1670 747 850 701 1050 768 CFSM 2.33 2.00 1.18 2.26 3.08 2.16 1.18 0.75 0.87 0.59 1.37 0.77 IN. 2.68 2.24 1.37 2.61 3.32 2.49 1.31 0.86 0.97 0.68 1.58 0.86 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1996, BY WATER YEAR (WY) MEAN 3578 3666 4258 5382 6016 6325 5625 4343 3994 3342 3561 3148 MAX 10680 12400 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1978 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 721 858 1042 1415 1371 1526 1211 910 1088 933 1010 998 (WY) 1955 1955 1956 1956 1977 1988 1985 1986 1988 1986 1988 1954 SUMMARY STATISTICS FOR 1995 CALENDAR YEAR FOR 1996 WATER YEAR WATER YEARS 1896 - 1996 ANNUAL TOTAL 1718589 ANNUAL MEAN 4696 4430 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 2082 1955 HIGHEST DAILY MEAN 17100 Feb 3 127000 May 23 1901 LOWEST DAILY MEAN 701 Jul 25 227 Apr 26 1986 ANNUAL SEVEN-DAY MINIMUM 1210 Jun 29 541 Oct 19 1954 MAXIMUM PEAK FLOW 26000 Feb 3 151000 May 23 1901 MAXIMUM PEAK STAGE 10.42 Feb 3 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 1.54 1.45 ANNUAL RUNOFF (INCHES) 20.96 19.74 10 PERCENT EXCEEDS 9500 8690 50 PERCENT EXCEEDS 3900 3620 90 PERCENT EXCEEDS 1440 920 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 4190 1350 5230 4190 4000 7720 7090 10100 1060 2560 3860 624 2 2120 1530 6440 5240 3110 6470 6710 10100 1320 5660 2400 684 3 2970 1750 6460 3990 3820 7560 6850 8250 1720 4390 1300 1360 4 1560 1690 6520 1770 4360 7590 7450 7420 2220 3550 1070 959 5 1520 2160 6590 3120 2730 7500 7450 7430 1910 1780 1070 1850 6 3090 1610 6560 3510 4980 7720 4630 7440 2010 1720 1550 743 7 3640 1080 6480 5090 5850 7620 4160 7460 1490 3610 1860 1020 8 4580 1080 6470 6490 6630 7510 7040 7470 1610 3770 2260 1140 9 2380 2570 6510 6960 2190 7470 7340 7450 1240 2380 617 853 10 4610 2690 6500 5220 5420 7410 7220 7440 3180 1410 783 894 11 3990 4360 6580 7030 6300 7350 7250 7360 2720 2210 2020 722 12 1900 2410 6540 6340 5800 7280 7310 6590 3960 4010 3590 1630 13 1770 4410 6670 6410 5940 7000 6060 6230 3880 2510 4270 1020 14 2180 3780 6960 6570 4360 5730 5710 7020 5680 3440 4220 834 15 1630 4160 6880 3490 2240 5700 5210 5110 5710 4790 2360 766 16 2480 3380 6700 6150 4990 5670 5460 7390 6930 3400 1370 836 17 4560 2390 6630 5590 7440 5910 6630 5050 6190 2700 1410 1470 18 3980 1710 6640 5840 7410 6540 4990 3730 6450 4330 1240 1390 19 1780 1470 6630 5970 6740 6910 2490 5510 4580 1630 1700 1040 20 1460 1760 6820 6080 6090 7410 2270 4750 5520 1200 1090 1000 21 2720 3410 6740 6100 5190 7390 4280 2700 2690 2090 996 848 22 1260 2130 6730 6270 3120 7320 3190 2560 4640 3480 796 597 23 731 2600 6710 4870 3390 7270 5720 2070 4990 3400 932 1190 24 872 2460 6750 6500 4560 7230 6510 2490 5200 3330 722 2400 25 1580 3820 6780 3740 6380 7560 6430 2580 4270 1510 757 1910 26 1790 4100 6430 5530 6510 7280 6420 1110 2850 5740 1100 2670 27 1830 6110 6630 3240 6460 5840 4750 1440 4880 2010 2600 1550 28 1160 3130 4690 5170 7060 6760 4260 2230 2710 4890 2510 1360 29 1860 2970 2030 5310 --- 6640 12500 1520 2560 6400 820 828 30 1100 3610 4660 6210 --- 4420 12700 1950 5350 3680 802 1190 31 938 --- 6430 6270 --- 5840 --- 2220 --- 5750 594 --- TOTAL 72231 81680 195390 164260 143070 213620 186080 162170 109520 103330 52669 35378 MEAN 2330 2723 6303 5299 5110 6891 6203 5231 3651 3333 1699 1179 MAX 4610 6110 6960 7030 7440 7720 12700 10100 6930 6400 4270 2670 MIN 731 1080 2030 1770 2190 4420 2270 1110 1060 1200 594 597 CFSM 0.76 0.89 2.07 1.74 1.68 2.26 2.03 1.72 1.20 1.09 0.56 0.39 IN. 0.88 1.00 2.38 2.00 1.74 2.61 2.27 1.98 1.34 1.26 0.64 0.43 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1997, BY WATER YEAR (WY) MEAN 3558 3651 4291 5381 6002 6334 5634 4358 3989 3342 3531 3116 MAX 10680 12400 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1978 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 721 858 1042 1415 1371 1526 1211 910 1088 933 1010 998 (WY) 1955 1955 1956 1956 1977 1988 1985 1986 1988 1986 1988 1954 SUMMARY STATISTICS FOR 1996 CALENDAR YEAR FOR 1997 WATER YEAR WATER YEARS 1896 - 1997 ANNUAL TOTAL 1519398 ANNUAL MEAN 4163 4426 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 2082 1955 HIGHEST DAILY MEAN 12700 Apr 30 127000 May 23 1901 LOWEST DAILY MEAN 594 Aug 31 227 Apr 26 1986 ANNUAL SEVEN-DAY MINIMUM 835 Aug 29 541 Oct 19 1954 MAXIMUM PEAK FLOW 23800 Apr 29 151000 May 23 1901 MAXIMUM PEAK STAGE 9.95 Apr 29 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 1.36 1.45 ANNUAL RUNOFF (INCHES) 18.53 19.72 10 PERCENT EXCEEDS 7270 8660 50 PERCENT EXCEEDS 4100 3620 90 PERCENT EXCEEDS 1100 920 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 1930 1120 2620 3140 13800 5700 8260 6210 3850 e2200 1540 1350 2 2190 1390 3890 3020 13800 9430 5670 6240 2310 1700 790 744 3 2200 1750 2690 920 10100 9120 4040 7100 4560 1600 1000 934 4 981 3530 1930 1370 9150 8400 4500 9150 3680 563 3150 1000 5 1200 3940 3210 3210 8570 7810 3090 8740 3430 1020 2690 670 6 1850 3780 3130 2460 14100 5810 3640 6230 2750 1930 3390 764 7 1040 3130 1860 4220 14100 6140 2290 8450 1750 2190 1670 878 8 1020 1200 2430 4640 14000 8080 3790 8760 2140 1800 1920 2110 9 1010 1290 2360 4410 13900 7960 4500 7550 2080 2530 822 1860 10 1130 3610 2630 7320 13800 10400 3080 8450 1690 1920 2780 1240 11 997 4240 2420 8600 13700 11800 3930 9130 5940 900 4540 1320 12 657 3790 2560 7670 13200 13600 3580 8190 4680 586 3720 811 13 1570 3400 2250 8880 13200 10900 6490 7770 3280 1110 3410 641 14 2020 1850 2350 5930 13100 10400 7210 8240 879 1220 1790 3570 15 1250 2190 2600 6410 10800 10400 7980 4610 5480 1840 1580 2860 16 1770 1740 2020 4880 9310 10400 5310 3960 5390 900 2640 1850 17 922 4450 3160 4250 4720 10300 4350 3330 4880 1290 6620 1670 18 566 3740 3760 9880 7380 9610 4770 5470 5270 895 4040 1230 19 766 2240 2110 11100 9360 4890 8530 7890 2030 629 4320 1220 20 1120 2460 965 10600 11900 7150 11800 3920 1240 3080 2730 785 21 1170 1260 753 10800 12100 9720 11800 3390 778 4970 2470 1190 22 724 3610 4180 11600 12200 9920 15400 3140 3820 3180 1860 1070 23 811 1590 1650 7200 11000 8920 12100 1890 3010 1210 2340 966 24 894 5720 4770 8760 9820 8030 10300 1660 2790 1160 3170 872 25 1870 5360 875 10200 9520 8650 10100 671 5460 950 5300 1080 26 3250 2340 4330 11100 9150 3600 10300 1570 3500 671 3200 573 27 3470 1840 7050 7330 9900 5770 10100 2360 1230 1470 2230 1020 28 5480 674 6520 4940 9190 3630 9880 2630 3100 2450 1440 e900 29 1620 798 7020 10700 --- 6340 10100 3390 3970 4030 2450 e1250 30 1940 1890 6590 11400 --- 7940 9750 1930 e4450 4760 1470 901 31 3880 --- 6640 13600 --- 8660 --- 1700 --- 2590 2530 --- TOTAL 51298 79922 101323 220540 314870 259480 216640 163721 99417 57344 83602 37329 MEAN 1655 2664 3268 7114 11250 8370 7221 5281 3314 1850 2697 1244 MAX 5480 5720 7050 13600 14100 13600 15400 9150 5940 4970 6620 3570 MIN 566 674 753 920 4720 3600 2290 671 778 563 790 573 CFSM 0.54 0.87 1.07 2.33 3.69 2.74 2.37 1.73 1.09 0.61 0.88 0.41 IN. 0.63 0.97 1.24 2.69 3.84 3.16 2.64 2.00 1.21 0.70 1.02 0.46 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1998, BY WATER YEAR (WY) MEAN 3528 3635 4275 5408 6084 6367 5659 4372 3978 3319 3518 3087 MAX 10680 12400 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1978 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 721 858 1042 1415 1371 1526 1211 910 1088 933 1010 998 (WY) 1955 1955 1956 1956 1977 1988 1985 1986 1988 1986 1988 1954 SUMMARY STATISTICS FOR 1997 CALENDAR YEAR FOR 1998 WATER YEAR WATER YEARS 1896 - 1998 ANNUAL TOTAL 1685486 ANNUAL MEAN 4618 4429 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 2082 1955 HIGHEST DAILY MEAN 15400 Apr 22 127000 May 23 1901 LOWEST DAILY MEAN 563 Jul 4 227 Apr 26 1986 ANNUAL SEVEN-DAY MINIMUM 864 Oct 18 541 Oct 19 1954 MAXIMUM PEAK FLOW 16400 Mar 12 151000 May 23 1901 MAXIMUM PEAK STAGE 8.24 Mar 12 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 1.51 1.45 ANNUAL RUNOFF (INCHES) 20.56 19.73 10 PERCENT EXCEEDS 10300 8690 50 PERCENT EXCEEDS 3390 3620 90 PERCENT EXCEEDS 944 920 e Estimated 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 976 534 1260 1710 7280 4150 1270 3550 2170 740 1570 1140 2 663 876 2740 1440 3670 2760 1000 2640 1230 1600 2000 1230 3 586 1260 1100 1220 6070 2670 1840 2360 948 1270 1280 1020 4 749 869 1120 2620 8160 4250 1310 3140 1310 598 1630 957 5 600 933 985 7160 5050 4160 2770 1140 902 634 2450 1150 6 1100 939 746 4430 5030 1800 1270 1560 880 2110 1110 1190 7 1700 714 1100 3750 3460 1100 940 1960 2470 1210 1080 879 8 1490 802 1060 4210 6410 3430 1030 957 1960 4290 1130 1220 9 1290 987 703 1390 6470 2660 3040 1310 1170 1060 1040 1190 10 1120 939 1170 1120 7340 3680 2030 1520 1250 1500 1450 921 11 774 746 1500 3280 9000 2150 1380 2130 1170 1030 1020 893 12 610 1940 784 3020 5250 1700 882 2270 1200 924 1280 783 13 943 1190 756 5970 1670 665 2200 1310 1590 1060 1040 1140 14 897 774 1300 6360 3170 891 541 970 2450 1600 1280 1040 15 987 821 2180 6660 2980 1360 1090 1010 959 1860 943 1100 16 883 1710 1670 5150 1680 2850 1060 1130 940 1840 1520 660 17 888 1090 2470 3760 2410 2060 633 2250 636 1580 1110 825 18 564 1970 2350 4430 2620 1160 762 1290 1240 1600 1110 829 19 1320 1150 1010 4510 3450 1130 1610 1360 757 1000 1130 800 20 1170 1210 698 5360 2400 1370 1940 2670 774 2200 1110 964 21 1110 937 931 5050 3110 1460 1440 2510 750 1000 985 883 22 1180 1060 796 5180 5950 2600 1250 840 944 5300 1060 1010 23 1100 2090 1070 3010 4890 1610 537 1300 1250 4820 960 912 24 1150 1010 1790 1730 4050 2600 1050 1830 1180 1420 1320 646 25 796 1530 1980 3670 4800 1610 1490 1790 1270 1250 772 901 26 803 804 1250 8180 6460 2110 1270 1530 1620 4930 1020 923 27 557 1140 3130 6910 2730 1330 1800 1580 1070 2380 1180 929 28 660 1190 1740 6730 1930 1120 635 1910 1860 4080 855 1020 29 989 770 2270 8560 --- 1370 1070 781 1980 4880 757 1030 30 1040 1350 2410 5620 --- 1030 943 1070 843 2670 1380 1030 31 738 --- 3730 3710 --- 2290 --- 1330 --- 1280 1590 --- TOTAL 29433 33335 47799 135900 127490 65126 40083 52998 38773 63716 38162 29215 MEAN 949 1111 1542 4384 4553 2101 1336 1710 1292 2055 1231 974 MAX 1700 2090 3730 8560 9000 4250 3040 3550 2470 5300 2450 1230 MIN 557 534 698 1120 1670 665 537 781 636 598 757 646 CFSM 0.31 0.36 0.51 1.44 1.49 0.69 0.44 0.56 0.42 0.67 0.40 0.32 IN. 0.36 0.41 0.58 1.66 1.55 0.79 0.49 0.65 0.47 0.78 0.47 0.36 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 1999, BY WATER YEAR (WY) MEAN 3488 3596 4232 5392 6061 6300 5593 4331 3937 3299 3483 3055 MAX 10680 12400 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1978 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 721 858 1042 1415 1371 1526 1211 910 1088 933 1010 974 (WY) 1955 1955 1956 1956 1977 1988 1985 1986 1988 1986 1988 1999 SUMMARY STATISTICS FOR 1998 CALENDAR YEAR FOR 1999 WATER YEAR WATER YEARS 1896 - 1999 ANNUAL TOTAL 702030 ANNUAL MEAN 1923 4390 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 1923 1999 HIGHEST DAILY MEAN 9000 Feb 11 127000 May 23 1901 LOWEST DAILY MEAN 534 Nov 1 227 Apr 26 1986 ANNUAL SEVEN-DAY MINIMUM 760 Oct 26 541 Oct 19 1954 MAXIMUM PEAK FLOW 13500 Feb 11 151000 May 23 1901 MAXIMUM PEAK STAGE 7.51 Feb 11 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 0.631 1.44 ANNUAL RUNOFF (INCHES) 8.56 19.56 10 PERCENT EXCEEDS 4230 8650 50 PERCENT EXCEEDS 1270 3590 90 PERCENT EXCEEDS 778 919 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 942 1140 1850 1080 2450 2010 2290 4070 2510 976 975 e1160 2 930 1300 2200 968 5070 2860 3080 3960 1690 906 1200 e1450 3 706 1290 1980 1490 2020 1890 4650 2770 1140 1050 910 e1810 4 1180 1550 1200 1120 1470 1120 4950 2320 1070 1450 984 e2380 5 986 1470 1080 1310 2220 1120 3850 1540 1020 882 1200 e1470 6 943 1210 1140 1850 1920 2860 5380 1450 976 951 896 1090 7 654 970 1250 1400 1530 1170 4140 1170 1040 962 1340 1010 8 1290 1340 2310 1100 849 1300 1980 5290 1450 1050 1060 1110 9 795 1140 1800 999 1080 2320 3070 3490 1180 1040 1210 1100 10 1060 1100 1100 3350 1750 2340 4270 2420 835 1210 1150 1010 11 850 1270 959 2940 1320 1140 3760 2010 970 1200 1010 1590 12 416 1210 1250 1460 2950 1660 1130 2910 1020 1070 1010 1070 13 1260 1300 1010 824 1900 2590 4950 1830 841 788 1030 1050 14 1520 999 2100 1330 1630 1830 2530 1000 1110 1140 987 957 15 2310 1010 2030 2280 5330 1630 2680 2650 1120 1110 962 1090 16 2840 1340 1850 961 5310 2220 4560 2440 960 836 1090 1010 17 2340 1600 1900 1570 5520 3510 5400 2420 882 934 1080 830 18 1190 1330 840 4240 4790 3650 6380 1970 890 1050 1350 876 19 1350 1730 872 2680 2240 2980 6840 1750 1030 1250 1140 1490 20 1430 1240 1010 1360 2130 917 2640 1240 913 1160 871 1110 21 1480 1170 1760 2990 2510 6030 2810 1780 1080 985 994 947 22 1490 995 1960 2090 e1820 6750 3520 2230 971 960 1040 1090 23 1180 976 1080 1140 e1720 7710 1840 1730 1280 906 e980 1030 24 1080 873 1130 1420 e4370 6710 4010 2240 1030 1180 e1060 725 25 1280 1020 1120 1110 e3360 5480 4800 1830 825 821 e850 3510 26 1200 959 1020 5030 e1590 7240 3550 3740 1040 1240 1300 2840 27 1340 1020 1340 2270 e1300 6230 2950 1800 1060 1040 1100 939 28 1390 786 1510 3800 e2890 6640 4740 1010 1030 1200 709 1120 29 1420 1340 1350 907 4920 6560 1070 792 1310 877 e625 1450 30 954 2030 1530 878 --- 5410 1480 2850 1050 865 e775 986 31 1070 --- 1280 4820 --- 5810 --- 1940 --- 817 e1070 --- TOTAL 38876 36708 44811 60767 77959 111687 109300 70642 33323 31906 31958 39300 MEAN 1254 1224 1446 1960 2688 3603 3643 2279 1111 1029 1031 1310 MAX 2840 2030 2310 5030 5520 7710 6840 5290 2510 1450 1350 3510 MIN 416 786 840 824 849 917 1070 792 825 788 625 725 CFSM 0.41 0.40 0.47 0.64 0.88 1.18 1.19 0.75 0.36 0.34 0.34 0.43 IN. 0.47 0.45 0.55 0.74 0.95 1.36 1.33 0.86 0.41 0.39 0.39 0.48 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 2000, BY WATER YEAR (WY) MEAN 3453 3559 4189 5339 6007 6258 5563 4300 3894 3265 3446 3028 MAX 10680 12400 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1978 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 721 858 1042 1415 1371 1526 1211 910 1088 933 1010 974 (WY) 1955 1955 1956 1956 1977 1988 1985 1986 1988 1986 1988 1999 SUMMARY STATISTICS FOR 1999 CALENDAR YEAR FOR 2000 WATER YEAR WATER YEARS 1896 - 2000 ANNUAL TOTAL 687237 ANNUAL MEAN 1878 4351 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 1878 2000 HIGHEST DAILY MEAN 7710 Mar 23 127000 May 23 1901 LOWEST DAILY MEAN 416 Oct 12 227 Apr 26 1986 ANNUAL SEVEN-DAY MINIMUM 858 Oct 6 541 Oct 19 1954 MAXIMUM PEAK FLOW 12800 Sep 25 151000 May 23 1901 MAXIMUM PEAK STAGE 7.35 Sep 25 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 0.616 1.43 ANNUAL RUNOFF (INCHES) 8.38 19.38 10 PERCENT EXCEEDS 3980 8620 50 PERCENT EXCEEDS 1280 3530 90 PERCENT EXCEEDS 907 918 e Estimated 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 2000 TO SEPTEMBER 2001 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 1230 767 769 921 3080 1060 7530 1650 1380 1500 896 825 2 1340 711 779 1110 1180 1270 7950 791 1140 909 852 840 3 1120 710 784 879 1040 1310 3890 2330 1050 1270 973 762 4 1060 762 1100 844 1260 1330 2460 1430 1120 918 1090 609 5 1100 730 780 1040 1230 1250 2770 1480 1200 1110 980 431 6 1030 684 936 912 1040 1660 1890 1320 1080 1070 898 867 7 1110 727 782 821 1060 1440 2620 1350 1280 1240 1230 898 8 866 787 795 859 1520 1390 1960 1840 1120 614 1340 521 9 1450 760 885 775 1510 1340 2720 1790 1230 1250 1540 864 10 1200 852 870 928 1190 1410 2720 2110 1490 1200 1150 1010 11 1000 783 1080 938 1750 1180 2480 1780 1010 843 853 647 12 1070 944 701 981 1610 1170 2750 1740 1360 824 1090 794 13 1300 1060 1020 904 1250 1300 2100 1420 921 1010 1050 979 14 1140 904 1020 823 1450 1250 2000 1520 963 979 936 755 15 1060 928 980 908 1350 1290 2150 727 889 1040 821 625 16 1170 880 913 823 1210 1090 3500 1450 1160 980 915 784 17 811 750 909 842 1640 1650 2830 1160 1190 918 1090 819 18 1420 815 931 918 1540 1210 2270 1040 1200 963 879 849 19 1130 803 915 1080 1470 1380 2550 1200 1020 1230 796 709 20 1130 818 1940 1050 1480 3850 1600 1540 1250 783 741 926 21 1060 805 1130 978 1250 4090 1620 1850 1110 1220 697 775 22 1040 832 1510 1850 2410 4190 1580 1240 1230 639 929 862 23 1080 850 1290 1640 1240 3730 3840 1240 1200 1360 1190 752 24 1100 862 903 1360 1300 3330 2250 1110 1240 836 551 615 25 1110 910 855 2630 1750 2850 1510 1180 1150 1220 937 263 26 926 925 772 2410 1480 3230 1560 1330 1180 843 798 618 27 747 841 943 3000 1440 2900 1430 743 1000 874 1010 679 28 841 959 1140 2600 862 1500 1490 1430 1310 1060 924 530 29 734 1020 1200 2280 --- 5580 1320 1410 1140 921 1300 908 30 898 910 817 2480 --- 2410 1770 1340 883 1020 1070 788 31 714 --- 885 2320 --- 7390 --- 1140 --- 1060 1120 --- TOTAL 32987 25089 30334 41904 40592 70030 79110 43681 34496 31704 30646 22304 MEAN 1064 836 979 1352 1450 2259 2637 1409 1150 1023 989 743 MAX 1450 1060 1940 3000 3080 7390 7950 2330 1490 1500 1540 1010 MIN 714 684 701 775 862 1060 1320 727 883 614 551 263 CFSM 0.35 0.27 0.32 0.44 0.48 0.74 0.86 0.46 0.38 0.34 0.32 0.24 IN. 0.40 0.31 0.37 0.51 0.50 0.85 0.96 0.53 0.42 0.39 0.37 0.27 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 2001, BY WATER YEAR (WY) MEAN 3417 3518 4140 5279 5939 6198 5519 4257 3853 3232 3409 2994 MAX 10680 12400 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1978 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 721 836 979 1352 1371 1526 1211 910 1088 933 989 743 (WY) 1955 2001 2001 2001 1977 1988 1985 1986 1988 1986 2001 2001 SUMMARY STATISTICS FOR 2000 CALENDAR YEAR FOR 2001 WATER YEAR WATER YEARS 1896 - 2001 ANNUAL TOTAL 482877 ANNUAL MEAN 1323 4305 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 1323 2001 HIGHEST DAILY MEAN 7950 Apr 2 127000 May 23 1901 LOWEST DAILY MEAN 263 Sep 25 227 Apr 26 1986 ANNUAL SEVEN-DAY MINIMUM 617 Sep 22 541 Oct 19 1954 MAXIMUM PEAK FLOW 11200 Mar 29 151000 May 23 1901 MAXIMUM PEAK STAGE 6.73 Mar 29 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 0.434 1.41 ANNUAL RUNOFF (INCHES) 5.89 19.18 10 PERCENT EXCEEDS 2260 8600 50 PERCENT EXCEEDS 1090 3470 90 PERCENT EXCEEDS 774 906 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 2001 TO SEPTEMBER 2002 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 740 641 591 567 887 762 1170 981 992 1080 1230 568 2 475 670 622 554 713 841 1390 976 956 989 1110 705 3 887 625 649 602 780 633 1500 1020 1070 1010 1100 1010 4 600 765 662 579 960 818 1480 1060 1190 1160 1080 1010 5 799 599 612 597 2330 1090 1520 1020 1120 1040 1200 999 6 721 559 609 562 917 816 1130 1020 1060 1080 1130 1000 7 792 723 564 e132 609 920 989 950 1110 1060 996 1000 8 560 594 528 900 684 788 1040 854 1120 1230 1070 982 9 744 743 545 667 851 772 1100 933 1030 1420 1220 897 10 977 740 608 672 661 786 953 1090 1110 1270 931 928 11 606 565 388 546 690 848 1050 999 968 1350 1000 829 12 788 870 627 607 878 789 901 1070 959 1340 1070 811 13 848 541 700 588 1230 785 1150 1030 1260 1360 1080 817 14 695 698 580 636 1370 544 830 1050 944 766 1150 894 15 558 741 537 517 1230 906 2040 1050 886 1120 1130 675 16 647 672 555 664 904 1140 2880 1170 957 1340 1210 555 17 708 640 577 549 787 1920 2180 1120 881 1270 1210 924 18 863 877 562 590 776 1230 1890 1110 927 1330 1190 542 19 725 907 544 587 788 1190 1520 1110 948 1320 1190 915 20 727 660 537 288 654 1770 869 1120 945 1340 1200 867 21 560 708 554 326 590 2450 1080 1250 871 1250 1190 856 22 681 594 620 676 744 1870 916 1060 921 1300 1180 899 23 597 1300 564 519 824 2360 832 989 1080 1400 1180 833 24 804 727 571 330 733 1220 818 1110 917 1310 1150 781 25 630 703 640 3370 766 815 911 1080 918 1500 1200 771 26 664 677 580 1620 770 1470 863 1190 1060 2080 1060 789 27 657 622 641 1200 729 873 854 1210 959 1100 1040 501 28 527 635 574 647 945 987 914 1120 901 1100 1050 657 29 575 e691 581 1010 --- 1310 779 1150 935 1200 884 629 30 794 654 582 962 --- 1130 935 1010 966 1240 1010 793 31 631 --- 555 908 --- 861 --- 1290 --- 1160 970 --- TOTAL 21580 21141 18059 22972 24800 34694 36484 33192 29961 38515 34411 24437 MEAN 696 705 583 741 886 1119 1216 1071 999 1242 1110 815 MAX 977 1300 700 3370 2330 2450 2880 1290 1260 2080 1230 1010 MIN 475 541 388 132 590 544 779 854 871 766 884 501 CFSM 0.23 0.23 0.19 0.24 0.29 0.37 0.40 0.35 0.33 0.41 0.36 0.27 IN. 0.26 0.26 0.22 0.28 0.30 0.42 0.44 0.40 0.37 0.47 0.42 0.30 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 2002, BY WATER YEAR (WY) MEAN 3377 3476 4087 5211 5864 6122 5456 4210 3811 3202 3376 2962 MAX 10680 12400 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1978 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 696 705 583 741 886 1119 1211 910 999 933 989 743 (WY) 2002 2002 2002 2002 2002 2002 1985 1986 2002 1986 2001 2001 SUMMARY STATISTICS FOR 2001 CALENDAR YEAR FOR 2002 WATER YEAR WATER YEARS 1896 - 2002 ANNUAL TOTAL 455247 340246 ANNUAL MEAN 1247 932 4255 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 932 2002 HIGHEST DAILY MEAN 7950 Apr 2 3370 Jan 25 127000 May 23 1901 LOWEST DAILY MEAN 263 Sep 25 132 Jan 7 132 Jan 7 2002 ANNUAL SEVEN-DAY MINIMUM 551 Dec 5 474 Jan 18 474 Jan 18 2002 MAXIMUM PEAK FLOW 9880 Jul 26 151000 May 23 1901 MAXIMUM PEAK STAGE 6.58 Jul 26 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 0.409 0.306 1.40 ANNUAL RUNOFF (INCHES) 5.55 4.15 18.96 10 PERCENT EXCEEDS 2260 1270 8580 50 PERCENT EXCEEDS 1010 900 3400 90 PERCENT EXCEEDS 596 570 881 e Estimated 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 756 640 1370 1780 606 8970 7990 8110 5500 5820 3840 1390 2 809 651 1640 5900 1070 8100 8090 8600 6480 5250 4440 2130 3 817 656 1540 6870 1330 7130 9500 6390 7860 4540 3680 6410 4 757 658 2150 5260 2260 5320 12700 7240 10300 6960 5610 4540 5 728 630 1300 4800 2250 5930 3950 6230 13200 4580 7550 4980 6 731 382 1580 6570 2670 3230 4210 7350 12400 3910 6060 1150 7 735 409 3530 5780 1280 3390 5470 4120 7860 7780 5440 1860 8 717 654 2310 4010 1310 8530 8180 12400 9520 9060 7950 2790 9 740 651 2700 4230 1540 8780 4700 8300 14800 9430 5660 3510 10 726 615 2710 2130 1810 8630 32000 9110 14000 7730 7590 4060 11 695 581 2630 1390 2500 8370 28500 9540 13700 5630 6980 3940 12 e416 569 4780 1830 5330 8040 22600 7920 11700 5050 8710 4190 13 659 e2080 4570 1830 2390 7680 20300 7980 11900 4910 10600 4990 14 e266 6990 2700 1790 4060 5570 17700 3430 10200 7470 10400 3940 15 661 4970 9280 2780 1860 4000 14300 8470 10700 9580 9890 2970 16 473 565 4700 1870 837 4560 13400 8040 10100 10200 11600 2780 17 368 841 6220 2280 2080 7870 13600 6330 9820 9290 11100 3000 18 543 1350 6760 2430 2490 4830 10800 6110 10900 8540 9190 3260 19 678 1040 5740 821 1470 8090 18400 5400 11600 7510 10000 2340 20 677 2150 5080 1720 3810 13000 21900 4200 11000 5990 9770 2400 21 667 1780 5350 2020 3210 35700 16400 4820 10500 6780 10200 2100 22 673 1830 4710 1030 1200 22900 15200 20100 8690 8050 10300 1870 23 605 1420 6410 1730 2690 13800 14900 33700 8910 4650 7650 2980 24 685 1850 1730 2200 8180 13700 14900 17000 9130 2970 5670 3160 25 716 3010 5370 842 5790 13700 5150 13200 8000 3820 4480 6710 26 659 1930 6570 760 5980 10500 7210 16300 4690 6420 5870 2990 27 655 2980 11100 2510 8450 9480 9400 14900 4290 4810 6550 2100 28 771 1970 7580 1380 6840 10200 8990 14300 2640 3740 6360 2320 29 744 1850 8360 1410 --- 8870 8750 12300 3430 3940 4410 2280 30 550 860 9640 1580 --- e8350 7940 9520 7800 3680 2730 2680 31 e525 --- 7090 1990 --- 8880 --- 13600 --- 5040 2130 --- TOTAL 20202 46562 147200 83523 85293 296100 387130 315010 281620 193130 222410 95820 MEAN 652 1552 4748 2694 3046 9552 12900 10160 9387 6230 7175 3194 MAX 817 6990 11100 6870 8450 35700 32000 33700 14800 10200 11600 6710 MIN 266 382 1300 760 606 3230 3950 3430 2640 2970 2130 1150 CFSM 0.21 0.51 1.56 0.88 1.00 3.13 4.23 3.33 3.08 2.04 2.35 1.05 IN. 0.25 0.57 1.80 1.02 1.04 3.61 4.72 3.84 3.43 2.36 2.71 1.17 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 2003, BY WATER YEAR (WY) MEAN 3337 3448 4097 5174 5823 6172 5564 4296 3892 3246 3431 2965 MAX 10680 12400 14270 10630 14950 19510 15970 15360 10120 10340 22230 9768 (WY) 1899 1978 1902 1946 1899 1899 1901 1901 1901 1896 1901 1945 MIN 652 705 583 741 886 1119 1211 910 999 933 989 743 (WY) 2003 2002 2002 2002 2002 2002 1985 1986 2002 1986 2001 2001 SUMMARY STATISTICS FOR 2002 CALENDAR YEAR FOR 2003 WATER YEAR WATER YEARS 1896 - 2003 ANNUAL TOTAL 493430 2174000 ANNUAL MEAN 1352 5956 4280 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 932 2002 HIGHEST DAILY MEAN 11100 Dec 27 35700 Mar 21 127000 May 23 1901 LOWEST DAILY MEAN 132 Jan 7 266 Oct 14 132 Jan 7 2002 ANNUAL SEVEN-DAY MINIMUM 474 Jan 18 484 Oct 12 474 Jan 18 2002 MAXIMUM PEAK FLOW 50300 Apr 10 151000 May 23 1901 MAXIMUM PEAK STAGE 15.17 Apr 10 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 0.443 1.95 1.40 ANNUAL RUNOFF (INCHES) 6.02 26.52 19.07 10 PERCENT EXCEEDS 2110 12100 8610 50 PERCENT EXCEEDS 989 4830 3410 90 PERCENT EXCEEDS 606 730 880 e Estimated 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02146000 CATAWBA RIVER NEAR ROCKHILL, SC SOURCE AGENCY USGS STATE 45 COUNTY 091 LATITUDE 345905 LONGITUDE 0805827 NAD27 DRAINAGE AREA 3050.00* CONTRIBUTING DRAINAGE AREA DATUM 485.82 NGVD29 Date Processed: 2005-04-11 11:45 By mishealy APPROVED DD #7, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 1650 2130 4070 3900 2150 2360 1560 2990 2270 4620 1430 1130 2 3690 2140 4670 3400 1160 2290 2080 1610 2160 2740 1310 4080 3 2400 1230 5720 3780 1450 2090 2040 3180 2360 2030 3240 3020 4 840 1130 5130 3740 4610 2640 2100 2290 1610 2140 4970 2130 5 946 1670 6740 3290 3080 2460 1440 2030 1420 2240 1340 3510 6 2260 2460 4240 4290 3370 2330 2610 1510 1740 2480 1250 2530 7 3380 2460 3510 6610 3710 2070 824 1740 1320 5400 1630 3710 8 2420 2440 2730 5180 6230 3070 1570 1820 1720 6180 1380 10000 9 2780 2430 1240 5570 3890 2640 1670 1500 1400 5090 4730 17300 10 3220 2450 2140 3780 4020 2050 1250 2290 1540 1750 4750 47200 11 1130 2470 3390 3410 3680 2530 895 2560 1430 1080 1980 29200 12 1360 2450 3720 3930 5300 1550 1540 2530 1420 2390 1290 27200 13 3250 2380 3740 3540 3950 3210 2710 2550 1340 3080 3000 24600 14 3370 2450 3800 4090 2020 2780 4660 1400 1230 3070 1770 21700 15 2710 2480 3700 1640 711 1970 2960 2150 1790 1630 1480 19900 16 2540 2460 3590 4350 1030 2690 2470 1000 1330 2730 2010 18500 17 3540 2440 2480 4310 1290 3030 2600 646 1890 1730 2090 11000 18 1670 2670 1600 3040 1900 3440 1850 1510 1240 1620 1970 6280 19 1260 3540 4080 4530 2240 1430 3230 2000 1350 2190 4560 1860 20 3370 2790 7460 5020 3450 2000 2900 2690 1440 3020 2680 8250 21 2870 3400 5660 4220 1450 1790 2010 1950 1290 2830 2740 5500 22 3490 7030 5960 3500 1320 2110 2140 1700 1810 1430 1230 6900 23 2690 7430 6430 3100 1580 1890 2010 1560 2660 3040 2840 7520 24 3810 6830 3970 2260 1640 2230 2990 1850 6860 1830 309 6230 25 1770 6850 5640 1540 3910 1920 1780 1430 7370 1670 996 10300 26 3250 5260 5380 4960 4510 2800 2380 1770 6610 1680 4940 9060 27 2980 4400 4220 4870 4140 1280 1470 1120 5450 1820 5570 3060 28 5430 4220 3130 3240 5160 1250 2660 1080 2070 2080 1710 2650 29 3770 5150 7340 4390 2880 1920 3390 1110 4050 1080 983 4260 30 1460 3850 5710 7060 --- 1870 2640 1090 5300 4850 1410 10900 31 412 --- 5760 4880 --- 1920 --- 1460 --- 1850 1430 --- TOTAL 79718 101090 136950 125420 85831 69610 66429 56116 75470 81370 73018 329480 MEAN 2572 3370 4418 4046 2960 2245 2214 1810 2516 2625 2355 10980 MAX 5430 7430 7460 7060 6230 3440 4660 3180 7370 6180 5570 47200 MIN 412 1130 1240 1540 711 1250 824 646 1230 1080 309 1130 CFSM 0.84 1.10 1.45 1.33 0.97 0.74 0.73 0.59 0.82 0.86 0.77 3.60 IN. 0.97 1.23 1.67 1.53 1.05 0.85 0.81 0.68 0.92 0.99 0.89 4.02 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 2004, BY WATER YEAR (WY) MEAN 3325 3447 4102 5158 5781 6115 5516 4261 3872 3237 3415 3080 MAX 10680 12400 14270 10630 14950 19510 15970 15360 10120 10340 22230 10980 (WY) 1899 1978 1902 1946 1899 1899 1901 1901 1901 1896 1901 2004 MIN 652 705 583 741 886 1119 1211 910 999 933 989 743 (WY) 2003 2002 2002 2002 2002 2002 1985 1986 2002 1986 2001 2001 SUMMARY STATISTICS FOR 2003 CALENDAR YEAR FOR 2004 WATER YEAR WATER YEARS 1896 - 2004 ANNUAL TOTAL 2277794 1280502 ANNUAL MEAN 6241 3499 4269 HIGHEST ANNUAL MEAN 9635 1901 LOWEST ANNUAL MEAN 932 2002 HIGHEST DAILY MEAN 35700 Mar 21 47200 Sep 10 127000 May 23 1901 LOWEST DAILY MEAN 412 Oct 31 309 Aug 24 132 Jan 7 2002 ANNUAL SEVEN-DAY MINIMUM 1340 Jan 28 1290 May 25 474 Jan 18 2002 MAXIMUM PEAK FLOW 54400 Sep 10 151000 May 23 1901 MAXIMUM PEAK STAGE 15.90 Sep 10 24.15 May 23 1901 ANNUAL RUNOFF (CFSM) 2.05 1.15 1.40 ANNUAL RUNOFF (INCHES) 27.78 15.62 19.02 10 PERCENT EXCEEDS 12100 5710 8600 50 PERCENT EXCEEDS 4990 2540 3400 90 PERCENT EXCEEDS 1780 1320 886