1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02174250 COW CASTLE CREEK NEAR BOWMAN, SC SOURCE AGENCY USGS STATE 45 COUNTY 075 LATITUDE 332243 LONGITUDE 0804200 NAD27 DRAINAGE AREA 23.40* CONTRIBUTING DRAINAGE AREA DATUM 125.00 NGVD29 Date Processed: 2005-04-11 11:58 By mishealy APPROVED DD #1, , 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 2.0 3.0 2.0 16 37 119 43 20 6.5 16 59 12 2 1.5 2.5 2.0 14 24 138 38 17 3.8 39 73 10 3 1.5 2.5 2.0 12 21 318 34 15 3.6 80 43 9.0 4 1.5 2.0 2.0 11 20 430 30 13 3.6 38 29 8.5 5 1.5 2.0 2.0 12 23 171 32 12 3.2 31 21 8.0 6 1.5 2.0 2.0 12 25 101 62 10 3.0 50 18 7.5 7 1.5 2.0 2.0 12 27 80 54 9.0 2.9 69 15 7.0 8 1.5 2.0 2.0 12 56 65 44 9.0 2.7 60 15 7.0 9 1.5 2.0 2.0 33 58 56 37 8.0 2.9 48 21 6.5 10 2.0 2.5 2.0 30 40 50 32 8.0 4.5 31 17 6.0 11 1.5 6.5 2.0 23 32 46 28 8.0 3.5 22 14 6.0 12 1.5 4.5 2.0 19 29 42 24 8.0 2.9 22 12 5.5 13 1.5 2.5 2.0 17 28 39 21 9.5 2.9 33 10 5.5 14 1.5 2.5 2.0 17 24 38 19 11 2.8 23 8.4 5.0 15 2.0 2.0 2.0 55 21 38 18 14 2.8 30 8.4 5.0 16 1.5 2.0 19 70 19 40 17 20 4.9 33 15 5.0 17 1.5 2.0 30 65 18 34 15 15 8.8 22 266 5.0 18 1.5 2.0 17 45 17 28 14 12 22 17 410 4.5 19 1.5 2.0 12 35 16 28 13 10 28 14 168 18 20 2.0 2.0 9.7 35 16 26 13 9.0 14 12 75 15 21 3.0 2.0 8.7 30 15 23 14 9.0 11 14 53 10 22 2.5 2.0 8.0 30 17 22 12 8.0 12 19 41 6.0 23 2.0 2.0 7.4 30 44 28 20 8.0 17 15 44 5.0 24 2.5 2.0 7.0 50 30 25 62 8.0 14 13 40 3.5 25 3.0 2.0 6.6 120 24 27 41 8.0 9.0 12 31 3.1 26 2.5 2.0 6.7 144 24 202 30 8.0 7.2 12 36 3.0 27 2.0 2.0 5.3 82 134 142 23 7.5 18 16 30 2.9 28 2.0 2.0 6.2 52 100 87 30 7.5 24 13 23 2.8 29 2.0 2.0 7.4 49 --- 69 30 9.0 13 12 19 2.8 30 2.5 2.0 10 49 --- 62 23 12 10 14 15 2.6 31 4.5 --- 14 49 --- 51 --- 8.5 --- 41 13 --- TOTAL 60.5 70.5 205.0 1230 939 2625 873 331.0 264.5 871 1642.8 197.7 MEAN 1.95 2.35 6.61 39.7 33.5 84.7 29.1 10.7 8.82 28.1 53.0 6.59 MAX 4.5 6.5 30 144 134 430 62 20 28 80 410 18 MIN 1.5 2.0 2.0 11 15 22 12 7.5 2.7 12 8.4 2.6 CFSM 0.08 0.10 0.28 1.70 1.43 3.62 1.24 0.46 0.38 1.20 2.26 0.28 IN. 0.10 0.11 0.33 1.96 1.49 4.17 1.39 0.53 0.42 1.38 2.61 0.31 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02174250 COW CASTLE CREEK NEAR BOWMAN, SC SOURCE AGENCY USGS STATE 45 COUNTY 075 LATITUDE 332243 LONGITUDE 0804200 NAD27 DRAINAGE AREA 23.40* CONTRIBUTING DRAINAGE AREA DATUM 125.00 NGVD29 Date Processed: 2005-04-11 11:58 By mishealy APPROVED DD #1, , 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 2.8 12 28 14 65 29 43 4.0 19 23 8.0 4.7 2 2.7 12 22 14 97 26 34 4.3 14 16 7.0 4.2 3 2.6 11 43 14 123 25 27 13 11 14 6.0 3.6 4 2.4 10 78 13 156 22 23 22 9.2 14 6.0 3.4 5 2.4 9.4 54 13 93 20 20 15 7.8 13 5.0 4.0 6 2.4 8.8 44 13 71 19 18 11 7.8 19 5.0 3.4 7 2.2 8.4 40 12 67 18 17 9.4 8.6 15 6.0 3.0 8 2.2 7.6 35 12 60 18 16 12 6.7 12 9.0 2.8 9 2.8 7.6 31 12 51 17 14 16 5.8 8.8 20 2.7 10 6.3 7.4 29 16 45 16 13 12 6.2 9.8 45 2.6 11 5.3 7.0 28 32 41 15 13 9.6 6.8 8.4 25 2.5 12 3.9 6.8 27 52 52 15 13 8.2 5.3 7.2 15 2.3 13 3.4 6.7 26 47 92 14 12 7.4 5.0 6.3 8.0 2.3 14 3.5 6.3 23 102 68 14 11 15 4.6 5.5 6.0 2.2 15 3.6 6.2 22 71 56 13 9.8 14 4.2 5.6 5.0 2.1 16 6.5 6.0 21 53 49 14 8.6 12 3.9 4.9 5.8 2.2 17 5.5 5.8 20 44 47 29 7.6 10 3.6 4.6 9.4 2.0 18 4.6 6.0 18 38 45 23 6.8 8.8 3.4 4.5 5.5 2.1 19 4.3 6.2 17 35 50 19 6.5 8.8 5.2 4.2 4.6 2.1 20 5.0 6.5 21 32 43 17 6.2 8.6 15 62 4.0 1.9 21 8.8 7.2 26 32 38 16 5.8 8.2 35 57 3.7 1.9 22 16 8.0 23 34 35 24 5.8 8.6 25 25 3.4 1.9 23 17 8.4 20 48 32 21 5.6 8.2 16 17 3.1 1.8 24 16 12 19 43 31 18 5.3 7.6 13 20 3.5 1.8 25 22 15 18 37 29 17 5.0 6.8 11 28 3.4 1.8 26 19 13 18 31 29 16 4.7 6.7 11 40 3.4 1.7 27 16 12 17 28 32 15 4.6 7.0 9.0 50 3.2 1.6 28 15 12 16 26 35 17 4.3 7.2 11 30 7.2 1.6 29 14 43 16 43 32 23 4.2 8.8 21 19 13 2.3 30 13 40 15 86 --- 23 4.3 19 45 12 6.3 1.8 31 13 --- 15 82 --- 42 --- 26 --- 10 4.9 --- TOTAL 244.2 328.3 830 1129 1664 615 369.1 335.2 350.1 565.8 260.4 74.3 MEAN 7.88 10.9 26.8 36.4 57.4 19.8 12.3 10.8 11.7 18.3 8.40 2.48 MAX 22 43 78 102 156 42 43 26 45 62 45 4.7 MIN 2.2 5.8 15 12 29 13 4.2 4.0 3.4 4.2 3.1 1.6 CFSM 0.34 0.47 1.14 1.56 2.45 0.85 0.53 0.46 0.50 0.78 0.36 0.11 IN. 0.39 0.52 1.32 1.79 2.65 0.98 0.59 0.53 0.56 0.90 0.41 0.12 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02174250 COW CASTLE CREEK NEAR BOWMAN, SC SOURCE AGENCY USGS STATE 45 COUNTY 075 LATITUDE 332243 LONGITUDE 0804200 NAD27 DRAINAGE AREA 23.40* CONTRIBUTING DRAINAGE AREA DATUM 125.00 NGVD29 Date Processed: 2005-04-11 11:58 By mishealy APPROVED DD #1, , 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 1.9 1.8 11 27 54 45 157 7.2 2.1 20 6.5 4.2 2 1.7 1.8 9.8 41 282 60 136 7.0 2.0 17 5.6 3.9 3 1.6 1.8 8.8 51 415 80 85 6.8 1.9 15 9.6 3.8 4 1.6 1.8 8.0 43 176 130 82 6.5 1.8 15 12 3.7 5 1.5 1.7 7.4 38 99 120 71 6.0 1.8 20 12 3.8 6 1.5 1.7 40 47 76 100 55 5.8 1.7 25 9.4 3.6 7 1.5 1.8 53 50 65 90 91 5.8 1.8 30 9.4 3.4 8 1.4 2.1 33 101 57 80 415 6.5 2.1 25 8.0 3.2 9 1.3 1.9 26 114 79 70 210 14 3.2 20 6.7 3.1 10 1.3 1.9 22 80 103 60 105 8.8 8.6 20 6.0 4.3 11 1.3 1.9 20 67 116 60 72 6.5 15 17 5.5 3.9 12 1.4 1.8 18 61 120 70 58 6.5 93 15 4.9 3.5 13 1.3 1.9 17 52 120 80 47 6.0 625 13 4.3 3.2 14 1.4 2.2 16 45 160 70 40 6.7 244 11 4.0 3.8 15 1.3 2.2 17 41 625 60 34 5.6 160 10 3.9 3.6 16 1.3 2.2 23 36 565 50 29 5.0 120 10 10 3.2 17 1.3 2.6 19 33 220 45 25 4.7 100 9.0 18 3.1 18 1.2 2.4 17 31 123 40 23 4.2 90 8.6 34 3.0 19 1.3 2.3 16 34 97 35 20 4.0 75 5.8 40 3.0 20 1.4 2.3 15 37 80 30 18 3.9 65 7.0 24 2.9 21 1.4 2.7 18 32 70 28 17 3.7 55 7.2 17 2.9 22 1.4 2.3 41 49 63 25 16 3.5 50 6.7 14 3.0 23 1.3 2.2 60 56 55 23 14 3.1 45 24 12 2.9 24 1.5 2.2 47 45 50 21 13 3.0 45 17 10 2.8 25 1.8 4.9 47 38 45 35 13 3.6 40 14 8.8 2.8 26 1.6 13 47 35 45 53 13 3.1 45 11 8.0 2.8 27 1.6 8.6 38 71 45 42 16 2.8 40 8.6 7.0 2.7 28 3.8 6.3 32 83 45 34 13 2.6 35 7.6 6.2 2.7 29 3.1 5.6 28 120 --- 34 11 2.4 30 6.7 5.5 2.7 30 2.1 11 25 79 --- 42 10 2.4 30 5.6 4.9 2.6 31 1.9 --- 25 62 --- 91 --- 2.2 --- 6.2 4.6 --- TOTAL 50.0 98.9 805.0 1699 4050 1803 1909 159.9 2029.0 428.0 331.8 98.1 MEAN 1.61 3.30 26.0 54.8 145 58.2 63.6 5.16 67.6 13.8 10.7 3.27 MAX 3.8 13 60 120 625 130 415 14 625 30 40 4.3 MIN 1.2 1.7 7.4 27 45 21 10 2.2 1.7 5.6 3.9 2.6 CFSM 0.07 0.14 1.11 2.34 6.18 2.49 2.72 0.22 2.89 0.59 0.46 0.14 IN. 0.08 0.16 1.28 2.70 6.44 2.87 3.03 0.25 3.23 0.68 0.53 0.16 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02174250 COW CASTLE CREEK NEAR BOWMAN, SC SOURCE AGENCY USGS STATE 45 COUNTY 075 LATITUDE 332243 LONGITUDE 0804200 NAD27 DRAINAGE AREA 23.40* CONTRIBUTING DRAINAGE AREA DATUM 125.00 NGVD29 Date Processed: 2005-04-11 11:58 By mishealy APPROVED DD #1, , 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 2.6 2.2 2.0 13 46 30 27 4.3 7.6 3.6 1.8 1.9 2 4.2 2.1 2.0 11 38 28 23 4.0 7.6 3.6 1.9 1.9 3 4.9 2.1 2.0 10 34 26 21 3.8 7.0 3.7 2.1 6.5 4 3.2 2.0 1.9 10 37 24 19 3.7 6.3 3.8 2.7 9.0 5 2.8 2.0 1.9 9.8 30 22 27 5.2 5.5 3.8 9.2 3.9 6 2.7 1.9 1.9 9.6 26 20 27 5.2 5.3 4.9 13 3.9 7 2.6 1.9 1.9 9.0 88 20 21 4.2 5.0 5.6 12 3.9 8 2.6 2.1 2.7 8.4 190 19 21 3.5 5.2 4.5 10 3.4 9 2.5 2.2 3.2 8.2 144 18 40 3.2 4.5 4.3 15 2.8 10 2.5 2.1 2.6 8.0 82 17 32 3.0 4.0 3.4 15 2.5 11 2.5 2.1 2.2 10 64 16 25 2.8 3.9 2.9 11 2.2 12 2.4 2.2 2.2 12 53 17 21 4.6 3.6 2.7 8.0 2.0 13 2.4 2.2 2.2 10 46 17 19 3.9 3.4 2.7 6.5 1.9 14 2.4 2.3 2.9 11 41 16 20 3.0 5.0 2.6 6.5 1.8 15 2.3 2.2 2.9 23 101 15 21 2.9 15 2.3 6.3 1.8 16 2.3 2.2 5.3 20 164 36 18 2.9 7.8 2.3 5.5 1.8 17 2.3 2.1 8.4 18 212 38 16 2.9 5.5 2.6 5.2 18 18 2.3 2.4 6.5 16 107 29 14 2.9 4.3 2.6 4.7 70 19 2.3 2.2 5.3 14 95 26 13 8.0 4.0 2.5 4.0 70 20 2.2 1.9 6.5 13 99 26 11 16 3.8 2.6 3.7 30 21 2.2 1.9 9.2 17 72 34 10 18 3.8 2.6 3.5 15 22 2.2 2.1 7.8 18 68 37 9.2 13 5.2 2.6 3.2 11 23 2.2 2.3 6.8 16 60 30 8.6 11 3.8 2.2 3.1 9.0 24 2.2 2.9 6.3 15 50 26 7.4 9.0 3.8 2.0 2.9 6.3 25 2.1 2.6 6.0 14 44 35 6.5 8.0 3.6 2.1 2.6 6.0 26 2.1 2.3 5.6 13 38 44 6.2 9.8 3.5 1.9 2.5 5.5 27 2.1 2.2 5.8 13 35 38 5.6 34 4.6 2.3 2.3 5.0 28 2.1 2.2 5.5 12 32 35 5.2 18 4.3 2.2 2.1 4.6 29 2.1 2.2 5.3 19 --- 39 4.7 14 3.8 2.0 2.0 4.2 30 2.1 2.0 6.2 103 --- 43 4.5 11 3.7 2.1 1.9 3.8 31 2.1 --- 12 64 --- 33 --- 9.0 --- 1.9 1.9 --- TOTAL 77.5 65.1 143.0 548.0 2096 854 503.9 244.8 154.4 90.9 172.1 309.6 MEAN 2.50 2.17 4.61 17.7 74.9 27.5 16.8 7.90 5.15 2.93 5.55 10.3 MAX 4.9 2.9 12 103 212 44 40 34 15 5.6 15 70 MIN 2.1 1.9 1.9 8.0 26 15 4.5 2.8 3.4 1.9 1.8 1.8 CFSM 0.11 0.09 0.20 0.76 3.20 1.18 0.72 0.34 0.22 0.13 0.24 0.44 IN. 0.12 0.10 0.23 0.87 3.33 1.36 0.80 0.39 0.25 0.14 0.27 0.49 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02174250 COW CASTLE CREEK NEAR BOWMAN, SC SOURCE AGENCY USGS STATE 45 COUNTY 075 LATITUDE 332243 LONGITUDE 0804200 NAD27 DRAINAGE AREA 23.40* CONTRIBUTING DRAINAGE AREA DATUM 125.00 NGVD29 Date Processed: 2005-04-11 11:58 By mishealy APPROVED DD #1, , 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 3.4 1.7 5.0 19 37 47 27 16 17 4.5 22 7.6 2 3.0 1.7 4.5 17 34 42 30 34 17 4.0 18 6.5 3 2.8 1.7 3.9 16 40 36 120 27 37 4.0 15 5.7 4 2.9 1.7 3.7 16 110 32 88 40 23 3.5 12 4.7 5 2.8 1.8 3.7 16 124 30 59 28 17 3.5 11 4.2 6 2.6 1.9 3.6 16 87 28 45 21 14 3.3 9.2 3.8 7 2.9 2.0 4.6 15 67 28 35 42 12 3.2 9.2 3.5 8 2.2 2.1 9.8 17 53 38 30 88 11 3.2 9.6 3.5 9 2.2 2.1 8.8 28 45 31 27 60 9.8 3.2 8.6 3.5 10 2.1 2.1 7.4 27 39 29 27 58 9.6 3.0 8.6 3.2 11 1.9 2.0 6.8 30 35 29 30 54 9.2 3.5 12 3.0 12 1.9 2.0 6.5 29 52 30 31 40 12 3.8 10 2.9 13 1.8 2.0 6.3 153 58 29 26 32 11 9.2 8.6 3.2 14 1.8 1.9 6.2 176 45 27 51 25 9.4 12 7.4 3.0 15 1.8 1.9 7.4 81 37 24 148 48 10 66 6.5 2.8 16 1.9 1.9 17 60 36 35 89 62 13 51 5.8 2.8 17 2.0 1.9 15 49 75 64 61 82 11 115 5.3 2.8 18 1.9 4.0 13 41 108 66 46 72 8.8 159 4.7 5.7 19 1.9 5.3 11 37 236 161 36 89 12 108 4.5 8.4 20 1.8 3.5 17 51 242 111 31 57 10 57 7.8 124 21 1.7 3.5 43 59 126 74 26 39 10 38 7.2 49 22 1.6 3.1 30 47 90 58 22 29 8.8 27 5.2 37 23 1.6 2.9 23 47 77 48 20 23 8.0 20 4.5 42 24 1.6 2.8 20 87 104 55 17 19 7.6 20 4.0 31 25 1.6 2.9 19 131 114 99 16 16 6.5 73 3.7 23 26 1.6 2.9 18 165 76 65 14 15 6.0 45 3.5 18 27 1.6 2.9 16 95 61 49 12 14 6.0 28 5.2 15 28 1.5 2.9 18 69 52 41 11 13 5.5 20 29 13 29 1.5 2.9 20 57 --- 35 9.9 24 5.2 17 15 11 30 1.6 3.4 23 49 --- 32 9.4 27 5.0 36 11 10 31 1.6 --- 21 42 --- 29 --- 20 --- 37 8.6 --- TOTAL 63.1 75.4 412.2 1742 2260 1502 1194.3 1214 342.4 980.9 292.7 453.8 MEAN 2.04 2.51 13.3 56.2 80.7 48.5 39.8 39.2 11.4 31.6 9.44 15.1 MAX 3.4 5.3 43 176 242 161 148 89 37 159 29 124 MIN 1.5 1.7 3.6 15 34 24 9.4 13 5.0 3.0 3.5 2.8 CFSM 0.09 0.11 0.57 2.40 3.45 2.07 1.70 1.67 0.49 1.35 0.40 0.65 IN. 0.10 0.12 0.66 2.77 3.59 2.39 1.90 1.93 0.54 1.56 0.47 0.72 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02174250 COW CASTLE CREEK NEAR BOWMAN, SC SOURCE AGENCY USGS STATE 45 COUNTY 075 LATITUDE 332243 LONGITUDE 0804200 NAD27 DRAINAGE AREA 23.40* CONTRIBUTING DRAINAGE AREA DATUM 125.00 NGVD29 Date Processed: 2005-04-11 11:58 By mishealy APPROVED DD #1, , 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 9.0 2.6 4.7 34 48 11 10 11 20 129 3.3 2.1 2 8.2 2.6 5.0 27 76 11 9.3 8.2 18 83 3.6 2.0 3 7.2 2.5 4.6 23 58 10 8.6 6.5 18 54 11 2.2 4 6.7 2.6 4.3 20 46 9.7 8.1 5.0 18 42 5.7 2.5 5 6.2 2.6 4.2 18 40 9.3 7.4 4.4 16 63 4.4 2.3 6 5.8 2.5 4.2 16 36 9.1 7.0 4.0 13 143 3.8 2.1 7 5.5 3.0 4.3 19 32 8.6 6.9 3.9 11 255 3.4 2.0 8 5.5 4.4 4.7 84 29 8.4 6.5 3.9 9.9 141 4.7 2.0 9 9.7 3.8 5.7 69 25 12 6.2 4.0 8.6 71 4.2 2.0 10 8.2 3.7 9.0 46 23 11 5.7 3.6 7.9 47 3.4 2.0 11 7.0 3.7 7.5 38 21 10 5.4 3.9 7.2 36 3.2 1.8 12 6.2 4.2 7.0 34 20 9.7 5.0 4.3 6.9 29 2.9 1.7 13 5.4 12 6.7 30 19 16 4.7 3.8 6.0 22 2.7 1.7 14 4.9 8.2 6.5 27 18 16 4.4 4.4 5.4 17 2.6 6.0 15 4.4 6.9 6.5 24 16 15 4.3 48 9.7 14 2.5 20 16 4.3 6.3 7.0 22 16 66 4.2 94 12 12 3.2 8.1 17 4.6 5.8 11 21 16 83 4.0 47 44 10 5.2 5.7 18 5.5 5.5 23 19 15 51 3.7 33 64 9.3 3.2 4.7 19 4.9 5.2 18 17 18 39 3.4 23 39 8.8 2.7 4.0 20 4.4 5.0 15 17 16 32 3.3 17 37 8.1 2.7 3.8 21 4.2 4.9 14 16 14 28 3.3 14 35 7.2 3.1 4.0 22 3.9 4.7 12 15 17 23 3.3 12 26 6.5 3.0 3.7 23 3.7 4.6 11 14 18 20 3.2 12 44 5.8 2.7 3.3 24 3.4 4.4 10 14 16 18 3.0 50 214 5.7 2.5 3.0 25 3.3 4.4 10 13 15 17 2.9 50 94 5.4 2.6 2.9 26 3.2 4.3 23 13 14 16 2.9 37 50 5.2 2.5 2.9 27 3.1 4.4 27 86 13 14 2.6 29 51 4.9 2.4 2.9 28 3.0 4.4 20 175 12 14 2.6 37 240 4.2 2.3 2.7 29 2.8 4.3 17 93 11 12 2.7 56 145 3.9 2.3 3.7 30 2.8 4.3 17 65 --- 12 4.6 39 181 3.6 2.3 5.5 31 2.7 --- 25 50 --- 11 --- 27 --- 3.4 2.2 --- TOTAL 159.7 137.8 344.9 1159 718 622.8 149.2 695.9 1451.6 1250.0 106.3 113.3 MEAN 5.15 4.59 11.1 37.4 24.8 20.1 4.97 22.4 48.4 40.3 3.43 3.78 MAX 9.7 12 27 175 76 83 10 94 240 255 11 20 MIN 2.7 2.5 4.2 13 11 8.4 2.6 3.6 5.4 3.4 2.2 1.7 CFSM 0.22 0.20 0.48 1.60 1.06 0.86 0.21 0.96 2.07 1.72 0.15 0.16 IN. 0.25 0.22 0.55 1.84 1.14 0.99 0.24 1.11 2.31 1.99 0.17 0.18 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02174250 COW CASTLE CREEK NEAR BOWMAN, SC SOURCE AGENCY USGS STATE 45 COUNTY 075 LATITUDE 332243 LONGITUDE 0804200 NAD27 DRAINAGE AREA 23.40* CONTRIBUTING DRAINAGE AREA DATUM 125.00 NGVD29 Date Processed: 2005-04-11 11:58 By mishealy APPROVED DD #1, , 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 3.9 5.0 15 28 20 33 30 4.4 7.7 1.1 0.91 4.3 2 3.4 4.9 14 24 18 27 27 4.2 5.0 1.1 1.5 3.4 3 3.1 4.7 12 40 18 23 24 3.9 3.7 1.1 2.2 3.7 4 2.9 4.6 12 92 18 46 21 3.8 3.2 0.98 6.2 5.8 5 2.7 4.3 11 66 17 88 23 3.6 2.9 0.98 3.9 11 6 2.6 4.3 11 52 15 99 22 3.4 2.8 0.98 2.2 7.9 7 2.5 4.4 26 60 15 213 19 3.4 3.2 0.84 1.8 5.8 8 2.4 4.4 29 52 14 164 17 3.1 2.7 0.91 1.6 4.7 9 2.9 4.3 22 43 14 91 15 2.9 2.7 0.91 1.3 4.2 10 2.6 4.4 19 44 13 67 13 2.7 2.7 0.91 1.2 4.3 11 2.9 4.3 20 39 13 55 12 2.6 2.4 0.84 1.1 6.9 12 2.2 4.3 86 34 12 47 11 2.5 2.2 0.77 1.1 5.7 13 2.2 4.3 86 31 12 193 10 2.4 2.0 0.77 1.3 4.3 14 2.3 4.4 57 35 11 213 9.9 2.4 2.6 0.84 1.6 3.6 15 2.2 5.0 73 43 11 103 9.2 2.3 2.4 0.77 1.7 2.8 16 2.1 5.5 84 38 10 71 8.4 2.1 2.1 0.70 1.3 4.4 17 3.4 5.4 60 33 10 52 7.9 2.1 2.1 0.70 1.2 4.6 18 3.4 5.8 44 29 9.9 43 7.4 2.0 2.0 0.70 1.1 3.8 19 2.8 5.7 37 27 9.7 37 6.9 2.0 1.7 0.91 1.5 3.4 20 7.4 5.7 34 24 9.5 39 6.7 2.0 1.9 0.84 1.5 3.0 21 9.0 5.8 31 23 9.2 52 6.3 1.9 2.0 0.70 1.5 2.7 22 6.2 5.8 28 21 9.2 294 5.8 2.0 1.2 0.98 1.4 2.5 23 5.4 5.7 25 20 8.8 208 6.7 2.3 1.4 0.91 1.3 2.3 24 4.9 5.7 23 21 28 102 7.9 2.6 1.5 0.77 1.3 2.2 25 5.0 5.7 22 25 28 71 6.3 3.9 1.3 0.70 4.4 2.2 26 7.0 6.2 71 23 21 54 5.5 4.9 1.5 0.77 30 2.2 27 6.5 8.6 59 24 25 44 5.0 3.7 1.6 0.98 10 1.9 28 5.8 14 46 27 45 39 4.7 3.4 1.3 0.84 6.5 2.1 29 5.5 22 40 24 --- 34 4.4 3.1 1.4 1.1 4.9 1.9 30 5.4 17 34 22 --- 31 4.3 3.8 1.1 1.1 6.5 2.0 31 5.5 --- 31 21 --- 35 --- 22 --- 0.98 5.8 --- TOTAL 126.1 192.2 1162 1085 444.3 2668 357.3 111.4 72.3 27.48 109.81 119.6 MEAN 4.07 6.41 37.5 35.0 15.9 86.1 11.9 3.59 2.41 0.89 3.54 3.99 MAX 9.0 22 86 92 45 294 30 22 7.7 1.1 30 11 MIN 2.1 4.3 11 20 8.8 23 4.3 1.9 1.1 0.70 0.91 1.9 CFSM 0.17 0.27 1.60 1.50 0.68 3.68 0.51 0.15 0.10 0.04 0.15 0.17 IN. 0.20 0.31 1.85 1.72 0.71 4.24 0.57 0.18 0.11 0.04 0.17 0.19 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02174250 COW CASTLE CREEK NEAR BOWMAN, SC SOURCE AGENCY USGS STATE 45 COUNTY 075 LATITUDE 332243 LONGITUDE 0804200 NAD27 DRAINAGE AREA 23.40* CONTRIBUTING DRAINAGE AREA DATUM 125.00 NGVD29 Date Processed: 2005-04-11 11:58 By mishealy APPROVED DD #1, , 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 1.9 4.0 4.3 35 47 20 10 14 4.9 2.4 5.0 2.0 2 1.8 3.8 4.4 30 62 19 9.7 25 4.4 2.1 4.4 2.1 3 1.6 3.8 4.4 25 61 21 9.3 24 4.4 3.8 4.9 2.3 4 1.6 3.8 4.0 21 51 20 8.8 28 4.9 2.4 3.6 2.1 5 1.6 3.9 8.1 19 44 18 8.6 52 4.7 2.2 3.7 1.9 6 1.9 4.2 29 18 41 17 8.1 33 4.6 2.1 4.9 1.9 7 1.6 4.0 19 18 37 16 7.4 23 4.2 2.0 4.6 1.9 8 1.5 4.0 14 19 34 16 6.9 20 4.0 1.9 4.2 1.8 9 1.6 3.9 13 37 34 24 6.5 96 4.4 1.7 3.4 1.7 10 1.5 3.8 11 29 34 69 6.3 128 4.0 1.6 4.9 1.7 11 1.4 3.6 10 24 31 49 6.0 66 3.8 2.2 6.9 1.7 12 2.2 3.4 9.3 22 30 40 6.0 43 3.4 3.6 5.4 1.6 13 2.3 3.1 9.0 37 30 38 13 34 3.3 2.7 4.2 1.6 14 2.0 3.1 21 52 31 37 15 27 3.0 2.4 5.4 1.6 15 1.9 3.1 61 39 28 36 11 22 2.7 5.5 6.9 1.6 16 1.7 3.1 38 32 26 31 8.8 19 2.4 14 4.6 1.9 17 1.7 3.1 30 32 26 26 7.9 17 2.2 11 5.7 1.6 18 1.7 3.0 25 38 31 23 7.9 16 2.1 7.2 9.0 1.5 19 1.6 2.9 21 81 34 21 10 15 2.0 5.4 5.8 1.5 20 1.6 2.8 20 186 30 19 9.3 13 1.8 4.3 4.4 1.3 21 1.6 2.8 58 109 27 18 8.1 11 1.8 3.7 3.9 1.3 22 1.6 2.8 41 72 25 17 7.0 11 1.9 3.4 3.4 1.4 23 1.6 2.9 31 56 23 16 6.5 11 1.8 3.0 3.1 1.5 24 1.8 3.0 26 47 22 15 6.2 10 1.7 2.7 2.9 1.5 25 2.0 3.0 24 177 21 14 8.4 8.6 1.8 2.6 2.7 1.4 26 2.7 3.1 21 401 20 15 25 7.7 1.6 2.6 2.6 1.3 27 2.5 3.1 19 262 19 13 20 6.9 1.6 2.4 2.6 1.3 28 10 3.1 18 120 19 13 16 6.3 1.5 2.5 2.5 1.2 29 6.5 3.1 16 84 --- 12 13 6.5 1.6 2.5 2.2 1.2 30 4.9 3.7 19 64 --- 11 11 6.2 1.9 2.3 2.1 1.3 31 4.2 --- 40 55 --- 11 --- 5.7 --- 2.7 2.0 --- TOTAL 74.1 101.0 668.5 2241 918 715 297.7 805.9 88.4 110.9 131.9 48.7 MEAN 2.39 3.37 21.6 72.3 32.8 23.1 9.92 26.0 2.95 3.58 4.25 1.62 MAX 10 4.2 61 401 62 69 25 128 4.9 14 9.0 2.3 MIN 1.4 2.8 4.0 18 19 11 6.0 5.7 1.5 1.6 2.0 1.2 CFSM 0.10 0.14 0.92 3.09 1.40 0.99 0.42 1.11 0.13 0.15 0.18 0.07 IN. 0.12 0.16 1.06 3.56 1.46 1.14 0.47 1.28 0.14 0.18 0.21 0.08 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02174250 COW CASTLE CREEK NEAR BOWMAN, SC SOURCE AGENCY USGS STATE 45 COUNTY 075 LATITUDE 332243 LONGITUDE 0804200 NAD27 DRAINAGE AREA 23.40* CONTRIBUTING DRAINAGE AREA DATUM 125.00 NGVD29 Date Processed: 2005-04-11 11:58 By mishealy APPROVED DD #1, , 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 1.2 0.84 5.7 3.4 12 59 18 34 45 9.7 44 14 2 1.1 0.79 4.2 11 11 50 16 28 34 8.0 60 12 3 1.0 0.74 2.8 17 11 44 15 24 25 7.1 38 11 4 1.0 0.74 2.5 10 11 41 16 22 23 6.5 22 280 5 1.0 0.79 2.5 8.7 11 117 17 29 18 5.8 16 500 6 0.96 0.79 2.6 7.6 12 92 15 24 17 5.8 14 320 7 0.96 0.79 2.6 8.3 47 64 13 20 44 6.0 12 140 8 0.90 0.90 2.5 9.5 40 52 13 19 60 16 11 70 9 0.84 0.90 2.5 8.3 31 42 25 33 35 12 10 60 10 0.84 0.96 2.4 7.8 25 37 23 47 24 9.9 10 49 11 0.84 1.0 2.3 7.4 21 51 19 38 18 8.7 10 46 12 0.84 1.0 2.4 8.2 20 48 17 41 14 8.0 12 37 13 0.96 0.96 2.4 17 18 39 19 44 12 7.8 11 35 14 1.2 0.96 2.3 17 16 36 31 91 10 6.6 10 35 15 0.96 0.96 2.3 14 15 34 23 52 9.1 6.0 10 29 16 0.84 1.0 2.3 13 14 30 18 36 24 5.5 10 23 17 0.84 1.2 2.3 12 13 28 15 26 45 23 9.0 20 18 0.84 1.1 2.3 11 17 25 13 21 29 60 9.0 20 19 0.79 1.1 2.3 10 17 24 12 17 20 291 8.0 19 20 0.74 1.1 2.3 10 20 22 11 15 80 113 9.0 17 21 0.74 1.1 2.3 22 50 22 9.9 14 65 66 9.0 19 22 0.74 1.2 2.4 21 111 22 9.1 18 40 72 13 22 23 0.69 1.2 2.3 17 206 26 8.3 47 28 86 15 17 24 0.64 1.2 4.9 25 274 60 8.0 38 22 58 10 16 25 0.69 1.2 6.2 24 276 48 16 43 19 58 10 15 26 0.69 1.2 4.9 20 161 36 232 29 17 98 9.0 14 27 0.74 1.3 4.2 17 98 30 172 21 14 47 9.0 13 28 0.84 1.4 3.8 15 72 26 93 16 12 32 10 16 29 0.90 2.0 3.7 14 --- 23 60 25 10 25 19 34 30 0.84 3.9 3.5 13 --- 21 44 47 9.3 19 36 116 31 0.84 --- 3.4 13 --- 19 --- 44 --- 15 20 --- TOTAL 27.00 34.32 95.1 412.2 1630 1268 1001.3 1003 822.4 1192.4 495.0 2019 MEAN 0.87 1.14 3.07 13.3 58.2 40.9 33.4 32.4 27.4 38.5 16.0 67.3 MAX 1.2 3.9 6.2 25 276 117 232 91 80 291 60 500 MIN 0.64 0.74 2.3 3.4 11 19 8.0 14 9.1 5.5 8.0 11 CFSM 0.04 0.05 0.13 0.57 2.49 1.75 1.43 1.38 1.17 1.64 0.68 2.88 IN. 0.04 0.05 0.15 0.66 2.59 2.02 1.59 1.59 1.31 1.90 0.79 3.21 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02174250 COW CASTLE CREEK NEAR BOWMAN, SC SOURCE AGENCY USGS STATE 45 COUNTY 075 LATITUDE 332243 LONGITUDE 0804200 NAD27 DRAINAGE AREA 23.40* CONTRIBUTING DRAINAGE AREA DATUM 125.00 NGVD29 Date Processed: 2005-04-11 11:58 By mishealy APPROVED DD #1, , 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 36 5.5 20 35 76 21 114 8.2 7.8 2.8 2.0 1.8 2 38 6.0 18 32 56 21 81 7.8 7.1 2.5 2.0 1.7 3 40 24 16 28 46 21 81 7.4 6.5 2.8 1.9 1.6 4 34 13 16 26 39 21 102 7.3 5.7 12 1.8 1.6 5 33 10 16 24 34 23 78 6.9 5.2 51 1.7 1.7 6 28 9.3 22 21 39 28 58 6.5 4.7 18 1.7 1.5 7 21 8.7 34 20 45 25 48 6.0 4.6 10 2.3 1.5 8 16 8.2 28 19 44 43 50 6.2 4.3 8.0 3.7 1.5 9 14 7.8 23 20 62 83 74 6.3 3.9 6.3 2.3 1.4 10 13 7.6 21 19 183 62 53 5.8 3.9 5.8 4.0 1.4 11 12 92 19 28 144 49 40 5.5 3.5 5.2 3.5 1.4 12 10 155 18 31 94 79 35 5.3 3.4 4.6 5.0 1.5 13 9.5 84 17 31 70 413 32 5.2 3.3 4.0 6.2 1.4 14 8.5 59 17 94 58 399 35 4.7 3.2 3.7 3.1 1.4 15 8.2 44 20 94 50 191 33 4.6 3.1 3.4 2.6 1.3 16 7.8 36 68 66 59 112 28 4.4 2.8 3.2 2.4 1.2 17 7.4 31 54 52 58 86 25 4.9 2.8 3.0 6.8 1.4 18 7.3 28 40 51 46 137 22 5.3 4.7 3.0 3.4 1.5 19 6.9 25 34 50 40 106 21 25 4.0 3.0 2.9 1.5 20 6.6 22 30 41 37 115 19 38 3.7 3.0 2.6 1.5 21 6.3 20 26 36 34 199 18 29 3.4 2.5 2.4 1.8 22 6.0 19 24 33 33 135 16 23 3.3 2.5 3.9 2.3 23 6.5 18 23 53 33 87 14 31 3.2 2.5 3.5 1.7 24 6.8 17 22 46 31 74 13 39 3.7 2.5 3.0 1.8 25 6.0 17 30 37 29 85 11 28 4.4 2.5 2.5 2.3 26 5.7 44 26 38 26 66 11 20 5.2 2.5 2.3 1.9 27 5.3 36 22 89 25 57 9.9 15 4.2 2.5 2.3 1.8 28 5.2 30 20 80 23 102 9.3 13 3.7 2.0 2.3 2.3 29 5.2 26 18 63 22 232 9.1 11 3.3 2.0 2.2 8.2 30 4.9 22 26 56 --- 220 8.7 9.9 3.0 2.0 2.0 15 31 5.2 --- 42 72 --- 203 --- 8.7 --- 2.2 1.8 --- TOTAL 420.3 925.1 810 1385 1536 3495 1149.0 398.9 125.6 181.0 90.1 68.9 MEAN 13.6 30.8 26.1 44.7 53.0 113 38.3 12.9 4.19 5.84 2.91 2.30 MAX 40 155 68 94 183 413 114 39 7.8 51 6.8 15 MIN 4.9 5.5 16 19 22 21 8.7 4.4 2.8 2.0 1.7 1.2 CFSM 0.58 1.32 1.12 1.91 2.26 4.82 1.64 0.55 0.18 0.25 0.12 0.10 IN. 0.67 1.47 1.29 2.20 2.44 5.56 1.83 0.63 0.20 0.29 0.14 0.11 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02174250 COW CASTLE CREEK NEAR BOWMAN, SC SOURCE AGENCY USGS STATE 45 COUNTY 075 LATITUDE 332243 LONGITUDE 0804200 NAD27 DRAINAGE AREA 23.40* CONTRIBUTING DRAINAGE AREA DATUM 125.00 NGVD29 Date Processed: 2005-04-11 11:58 By mishealy APPROVED DD #1, , 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 16 3.0 2.1 3.2 3.3 7.6 3.5 2.9 2.2 3.1 8.2 4.4 2 14 2.7 2.1 3.2 4.0 8.0 3.0 2.9 2.4 106 50 4.2 3 10 2.5 2.0 3.3 4.0 7.3 3.0 2.3 8.2 54 95 3.9 4 8.0 2.5 2.0 3.2 3.8 6.9 3.0 2.5 6.8 20 47 3.8 5 6.6 2.7 1.9 3.2 3.8 16 3.0 2.5 49 13 25 3.5 6 5.8 2.4 1.9 3.2 3.8 15 2.5 2.4 13 13 19 3.5 7 5.2 2.3 1.8 3.1 3.8 12 2.5 3.0 15 9.7 14 3.3 8 4.7 2.3 1.8 3.2 3.8 10 2.5 3.2 41 7.8 12 3.9 9 4.2 2.2 1.8 3.4 3.7 8.0 2.5 2.9 18 6.9 10 4.6 10 3.9 2.1 1.8 3.8 3.5 7.0 2.5 2.9 11 6.2 9.1 3.5 11 3.7 2.0 1.8 3.5 8.7 6.0 2.0 2.9 8.2 5.5 12 3.1 12 3.5 2.0 1.8 3.4 17 5.5 2.0 2.5 11 21 12 3.0 13 3.3 2.0 1.8 3.4 11 5.0 3.0 2.5 10 12 11 2.7 14 3.2 2.0 1.8 3.4 9.9 4.5 5.0 2.4 7.6 8.3 9.7 2.5 15 3.2 2.4 1.8 3.4 8.7 4.5 6.0 2.3 6.0 6.6 8.0 2.5 16 3.1 2.4 1.8 3.4 8.2 5.0 4.0 2.2 4.7 6.3 7.1 2.4 17 3.0 2.5 2.1 3.4 7.6 7.0 3.0 2.2 4.0 12 7.1 2.4 18 3.0 2.5 2.0 3.9 8.2 10 2.5 2.2 3.8 7.8 6.9 2.2 19 3.1 2.5 2.0 3.8 17 9.0 3.5 2.1 3.8 6.5 7.6 2.1 20 3.1 2.4 2.0 3.7 18 7.0 3.0 2.2 6.6 5.8 7.6 2.0 21 2.9 2.3 2.0 3.7 15 5.5 2.5 2.4 3.9 5.5 6.9 2.0 22 2.7 2.2 2.0 3.8 13 5.0 2.5 2.2 3.3 4.9 6.5 1.8 23 2.7 2.2 2.1 3.7 12 4.5 2.5 2.0 3.0 4.4 6.2 1.8 24 2.9 2.2 3.0 3.5 11 4.0 2.5 1.9 2.9 4.2 7.3 1.7 25 3.2 2.2 3.2 3.4 9.9 3.5 2.0 1.8 2.9 4.6 7.3 1.6 26 2.8 2.2 2.9 3.4 8.9 4.0 2.0 1.8 2.7 5.3 6.2 1.5 27 2.7 2.5 2.8 3.4 8.3 6.0 2.0 2.2 2.5 7.4 5.7 1.5 28 2.8 2.4 2.7 3.4 7.8 5.0 2.0 2.3 2.3 5.8 5.3 1.3 29 2.7 2.3 3.0 3.3 --- 4.0 2.0 2.0 2.1 4.4 5.2 1.2 30 3.3 2.2 3.3 3.3 --- 3.5 3.0 1.8 2.0 3.9 4.9 1.1 31 3.7 --- 3.2 3.3 --- 3.5 --- 1.7 --- 8.0 4.7 --- TOTAL 143.0 70.1 68.3 106.3 237.7 209.8 85.0 73.1 259.9 389.9 444.5 79.0 MEAN 4.61 2.34 2.20 3.43 8.49 6.77 2.83 2.36 8.66 12.6 14.3 2.63 MAX 16 3.0 3.3 3.9 18 16 6.0 3.2 49 106 95 4.6 MIN 2.7 2.0 1.8 3.1 3.3 3.5 2.0 1.7 2.0 3.1 4.7 1.1 CFSM 0.20 0.10 0.09 0.15 0.36 0.29 0.12 0.10 0.37 0.54 0.61 0.11 IN. 0.23 0.11 0.11 0.17 0.38 0.33 0.14 0.12 0.41 0.62 0.71 0.13 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02174250 COW CASTLE CREEK NEAR BOWMAN, SC SOURCE AGENCY USGS STATE 45 COUNTY 075 LATITUDE 332243 LONGITUDE 0804200 NAD27 DRAINAGE AREA 23.40* CONTRIBUTING DRAINAGE AREA DATUM 125.00 NGVD29 Date Processed: 2005-04-11 11:58 By mishealy APPROVED DD #1, , 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 10 24 19 27 28 13 36 52 6.7 1.2 0.38 0.34 2 10 26 19 29 27 12 31 31 5.4 1.1 0.49 0.48 3 11 43 18 28 38 11 25 22 4.9 1.1 0.63 0.55 4 50 40 17 24 33 10 22 17 4.6 0.94 0.57 0.75 5 80 30 17 22 29 9.9 19 14 5.1 1.4 2.2 2.2 6 30 25 17 21 26 13 20 12 4.6 1.8 8.7 1.7 7 25 31 84 26 25 24 24 10 4.5 1.6 3.3 0.56 8 23 75 79 30 23 34 21 9.5 3.7 1.4 1.4 0.37 9 21 50 70 26 21 25 19 8.7 3.9 1.3 0.89 0.37 10 20 38 73 24 20 21 16 7.7 3.4 1.1 0.66 0.45 11 19 38 56 22 18 19 15 6.9 3.1 1.1 0.61 0.79 12 19 57 47 22 17 17 14 6.5 2.8 2.9 0.64 0.54 13 18 45 40 21 16 16 13 5.6 3.5 1.2 0.68 0.61 14 19 38 35 19 16 15 12 5.9 4.1 0.87 5.7 0.49 15 63 33 32 18 15 15 11 5.4 3.5 0.89 3.8 0.43 16 41 28 29 17 14 16 10 4.8 3.0 0.91 1.6 0.35 17 29 26 26 17 14 26 9.1 4.5 2.9 0.93 1.1 0.35 18 24 24 24 17 13 51 8.6 4.1 2.8 0.76 1.1 0.23 19 21 22 112 28 13 46 8.2 3.7 2.7 0.65 0.75 0.24 20 19 21 137 30 13 34 8.4 3.6 2.7 0.58 0.56 0.28 21 17 20 77 25 12 27 8.9 3.3 2.6 0.57 0.48 0.45 22 15 19 59 23 12 23 7.7 3.1 4.6 0.45 0.67 0.42 23 13 18 49 21 12 20 7.3 2.9 2.9 0.46 0.48 0.27 24 13 19 42 23 11 18 6.8 2.9 2.6 0.47 0.35 0.21 25 12 29 37 26 10 17 6.5 2.8 2.4 0.60 0.42 0.27 26 11 28 33 23 10 16 6.9 3.8 2.0 0.61 1.1 0.25 27 11 25 30 55 9.8 14 6.8 40 1.7 0.53 1.7 0.25 28 49 23 27 61 12 60 6.1 30 1.5 0.59 0.84 0.24 29 34 22 25 45 15 63 5.6 20 1.4 0.54 0.62 0.29 30 25 21 24 37 --- 48 89 11 1.2 0.41 0.42 0.56 31 22 --- 25 33 --- 39 --- 8.9 --- 0.33 0.36 --- TOTAL 774 938 1379 840 522.8 772.9 493.9 363.6 100.8 29.29 43.20 15.29 MEAN 25.0 31.3 44.5 27.1 18.0 24.9 16.5 11.7 3.36 0.94 1.39 0.51 MAX 80 75 137 61 38 63 89 52 6.7 2.9 8.7 2.2 MIN 10 18 17 17 9.8 9.9 5.6 2.8 1.2 0.33 0.35 0.21 CFSM 1.07 1.34 1.90 1.16 0.77 1.07 0.70 0.50 0.14 0.04 0.06 0.02 IN. 1.23 1.49 2.19 1.34 0.83 1.23 0.79 0.58 0.16 0.05 0.07 0.02 ******************************************************************************** ******************************* W A R N I N G ******************************** ******************************************************************************** ***** ***** ***** ONE OR MORE DATA VALUES WITHIN THE SPECIFIED PERIOD HAVE BEEN ***** ***** CHANGED SINCE THE STATISTICS WERE COMPUTED. PLEASE RECOMPUTE THE ***** ***** STATISTICS TO REMOVE THIS MESSAGE. ***** ***** ***** ******************************************************************************** ******************************* W A R N I N G ******************************** ******************************************************************************** STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1971 - 1996, BY WATER YEAR (WY) MEAN 5.96 8.43 18.6 36.5 50.0 46.1 23.3 15.4 16.8 16.4 11.0 9.99 MAX 25.0 31.3 44.5 72.3 145 113 63.6 39.2 67.6 40.3 52.2 67.3 (WY) 1996 1996 1996 1978 1973 1980 1973 1975 1973 1976 1971 1979 MIN 0.87 1.14 2.19 3.43 8.48 6.77 2.83 2.34 2.41 0.89 1.39 0.51 (WY) 1979 1979 1981 1981 1981 1981 1981 1981 1977 1977 1996 1996 SUMMARY STATISTICS FOR 1996 WATER YEAR WATER YEARS 1971 - 1996 ANNUAL TOTAL 6272.78 ANNUAL MEAN 17.1 21.4 HIGHEST ANNUAL MEAN 36.9 1973 LOWEST ANNUAL MEAN 5.92 1981 HIGHEST DAILY MEAN 137 Dec 20 625 Feb 15 1973 LOWEST DAILY MEAN 0.21 Sep 24 0.00 Aug 15 1971 ANNUAL SEVEN-DAY MINIMUM 0.25 Sep 23 0.25 Sep 23 1996 MAXIMUM PEAK FLOW 187 Dec 19 2340 Sep 4 1979 MAXIMUM PEAK STAGE 5.02 Dec 19 7.37 Sep 4 1979 ANNUAL RUNOFF (CFSM) 0.732 0.915 ANNUAL RUNOFF (INCHES) 9.97 12.44 10 PERCENT EXCEEDS 38 50 50 PERCENT EXCEEDS 13 9.0 90 PERCENT EXCEEDS 0.54 1.9 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02174250 COW CASTLE CREEK NEAR BOWMAN, SC SOURCE AGENCY USGS STATE 45 COUNTY 075 LATITUDE 332243 LONGITUDE 0804200 NAD27 DRAINAGE AREA 23.40* CONTRIBUTING DRAINAGE AREA DATUM 125.00 NGVD29 Date Processed: 2005-04-11 11:58 By mishealy APPROVED DD #1, , 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 0.79 0.74 2.6 3.0 10 22 10 17 1.7 18 5.9 1.2 2 0.68 0.97 4.7 2.8 8.6 20 8.1 13 2.0 15 3.7 0.84 3 0.57 0.99 4.1 2.8 7.7 18 6.7 16 2.6 12 3.1 0.77 4 0.37 1.2 2.8 2.6 7.2 16 6.2 31 1.8 9.2 2.9 0.70 5 0.30 1.3 2.3 2.6 6.8 15 5.8 19 1.5 9.0 2.7 0.58 6 0.29 1.3 4.5 2.6 6.2 14 5.6 14 11 8.2 2.3 0.45 7 0.39 1.3 4.0 2.6 5.9 13 5.5 11 14 7.3 2.0 0.42 8 15 3.7 3.2 4.0 6.6 12 4.6 9.4 7.1 8.9 1.7 0.39 9 8.9 9.3 2.8 7.6 7.2 12 4.4 8.4 5.4 11 1.5 0.36 10 4.3 4.1 2.6 9.5 6.2 11 4.2 7.3 4.5 8.6 1.7 0.40 11 2.7 2.9 2.5 6.3 6.1 11 4.1 6.7 4.3 7.0 1.7 0.94 12 2.0 2.5 2.3 5.0 5.8 9.6 8.0 6.5 3.8 5.9 1.4 2.1 13 1.6 2.0 2.3 4.6 6.7 9.2 8.7 6.4 3.5 5.1 1.4 1.4 14 1.4 1.7 1.9 4.3 27 31 5.8 5.4 3.9 4.7 1.2 1.0 15 1.3 1.8 2.0 4.2 90 31 5.0 4.8 4.3 4.2 1.1 0.73 16 1.2 1.7 2.1 11 52 20 4.7 4.5 3.7 4.1 1.3 0.70 17 1.1 1.4 2.0 11 36 17 4.5 4.3 4.4 8.7 3.8 0.77 18 0.89 1.6 2.2 6.7 28 15 4.3 3.7 10 5.6 2.2 0.55 19 0.72 2.5 7.0 5.7 24 15 4.1 3.2 7.9 5.5 1.3 0.49 20 0.64 2.0 8.3 5.3 21 17 3.9 2.9 5.6 4.4 1.1 0.47 21 0.62 1.6 5.5 4.9 19 15 3.7 2.7 4.6 3.7 1.1 0.42 22 0.60 1.7 4.7 4.5 68 14 3.7 2.4 3.6 3.3 0.99 0.45 23 0.66 1.7 4.3 4.3 52 12 5.7 2.1 3.2 3.1 0.91 0.47 24 0.54 1.8 3.8 4.5 36 10 5.6 2.1 2.8 3.8 0.84 4.5 25 0.44 2.0 3.7 5.3 30 9.6 4.2 2.3 2.4 4.2 0.79 25 26 0.45 2.2 3.5 5.3 26 10 3.7 2.5 2.3 3.4 0.61 18 27 0.45 1.8 3.4 4.7 24 9.9 8.8 2.1 4.3 2.8 0.61 15 28 0.60 2.0 3.4 4.6 21 8.9 36 2.2 79 2.5 0.52 17 29 0.66 2.3 3.2 4.4 --- 9.0 38 2.0 47 2.3 0.45 13 30 0.49 2.2 3.1 16 --- 8.1 23 1.8 24 2.7 0.74 9.8 31 0.87 --- 3.1 14 --- 7.3 --- 1.6 --- 3.9 0.81 --- TOTAL 51.52 64.30 107.9 176.7 645.0 442.6 246.6 218.3 276.2 198.1 52.37 118.90 MEAN 1.66 2.14 3.48 5.70 23.0 14.3 8.22 7.04 9.21 6.39 1.69 3.96 MAX 15 9.3 8.3 16 90 31 38 31 79 18 5.9 25 MIN 0.29 0.74 1.9 2.6 5.8 7.3 3.7 1.6 1.5 2.3 0.45 0.36 CFSM 0.07 0.09 0.15 0.24 0.98 0.61 0.35 0.30 0.39 0.27 0.07 0.17 IN. 0.08 0.10 0.17 0.28 1.03 0.70 0.39 0.35 0.44 0.31 0.08 0.19 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1971 - 1997, BY WATER YEAR (WY) MEAN 5.64 7.95 17.4 34.1 48.0 43.7 22.1 14.8 16.3 15.7 10.4 9.53 MAX 25.0 31.3 44.5 72.3 145 113 63.6 39.2 67.6 40.3 53.0 67.3 (WY) 1996 1996 1996 1978 1973 1980 1973 1975 1973 1976 1971 1979 MIN 0.87 1.14 2.20 3.43 8.49 6.77 2.83 2.36 2.41 0.89 1.39 0.51 (WY) 1979 1979 1981 1981 1981 1981 1981 1981 1977 1977 1996 1996 SUMMARY STATISTICS FOR 1996 CALENDAR YEAR FOR 1997 WATER YEAR WATER YEARS 1971 - 1997 ANNUAL TOTAL 2598.49 ANNUAL MEAN 7.12 20.3 HIGHEST ANNUAL MEAN 36.9 1973 LOWEST ANNUAL MEAN 5.94 1981 HIGHEST DAILY MEAN 90 Feb 15 625 Feb 15 1973 LOWEST DAILY MEAN 0.29 Oct 6 0.21 Sep 24 1996 ANNUAL SEVEN-DAY MINIMUM 0.47 Sep 4 0.25 Sep 23 1996 MAXIMUM PEAK FLOW 116 Feb 15 2340 Sep 4 1979 MAXIMUM PEAK STAGE 4.02 Feb 15 7.37 Sep 4 1979 ANNUAL RUNOFF (CFSM) 0.304 0.869 ANNUAL RUNOFF (INCHES) 4.13 11.80 10 PERCENT EXCEEDS 16 48 50 PERCENT EXCEEDS 4.1 8.2 90 PERCENT EXCEEDS 0.73 1.8 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02174250 COW CASTLE CREEK NEAR BOWMAN, SC SOURCE AGENCY USGS STATE 45 COUNTY 075 LATITUDE 332243 LONGITUDE 0804200 NAD27 DRAINAGE AREA 23.40* CONTRIBUTING DRAINAGE AREA DATUM 125.00 NGVD29 Date Processed: 2005-04-11 11:58 By mishealy APPROVED DD #1, , 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 7.9 16 47 61 73 76 23 34 10 1.2 1.2 1.1 2 6.1 18 41 54 62 59 22 24 9.9 1.1 0.91 0.97 3 5.2 16 28 50 123 49 73 22 10 1.1 0.85 24 4 4.5 13 25 46 496 42 235 41 7.1 1.1 0.77 47 5 4.1 11 22 42 491 39 123 37 8.6 1.0 0.70 14 6 3.7 11 20 96 222 37 80 27 8.8 1.0 0.68 8.4 7 3.2 9.9 19 131 121 56 60 23 6.7 0.97 0.60 6.5 8 2.8 9.5 18 172 93 133 52 339 6.3 0.79 0.59 5.6 9 2.6 8.9 48 134 78 334 153 362 6.2 0.75 2.0 5.1 10 2.5 8.4 78 87 64 264 104 149 7.5 0.69 3.8 4.5 11 2.6 7.8 73 68 57 112 69 162 14 4.2 1.9 4.1 12 2.6 7.8 86 57 53 81 51 93 8.3 3.4 12 4.1 13 2.4 27 72 53 47 65 42 64 6.6 1.9 16 3.8 14 2.5 44 59 51 43 55 49 49 6.0 1.7 6.1 3.3 15 2.1 32 57 53 39 48 68 39 5.4 1.6 4.1 2.9 16 2.3 24 47 85 70 42 52 31 5.2 3.6 3.7 3.0 17 2.9 20 40 71 321 38 42 27 5.3 4.6 2.7 2.9 18 3.3 18 34 57 329 53 114 26 4.9 2.9 2.6 3.0 19 8.8 17 31 112 132 308 88 21 3.8 2.4 3.0 4.2 20 7.8 16 29 113 95 305 62 18 3.4 2.0 2.4 4.3 21 5.1 15 27 77 75 138 46 15 3.0 1.8 1.8 2.9 22 5.0 19 79 63 80 93 38 13 2.5 1.6 2.0 2.7 23 9.3 18 130 221 208 72 34 11 2.4 1.4 1.4 2.4 24 7.1 16 177 268 139 58 30 10 2.1 1.1 1.3 2.0 25 5.3 15 343 134 93 49 26 9.4 1.9 0.94 1.2 1.9 26 10 15 213 89 73 42 22 8.4 1.7 0.96 1.0 1.8 27 33 14 188 208 81 37 19 7.7 1.6 1.4 0.91 1.8 28 19 13 212 446 88 34 17 8.4 1.4 1.8 0.81 1.8 29 14 13 125 237 --- 30 16 40 1.3 1.7 0.76 1.8 30 12 59 96 117 --- 27 16 15 1.4 1.2 0.71 2.0 31 10 --- 75 89 --- 25 --- 12 --- 1.0 1.1 --- TOTAL 209.7 532.3 2539 3542 3846 2801 1826 1737.9 163.3 52.90 79.59 173.87 MEAN 6.76 17.7 81.9 114 137 90.4 60.9 56.1 5.44 1.71 2.57 5.80 MAX 33 59 343 446 496 334 235 362 14 4.6 16 47 MIN 2.1 7.8 18 42 39 25 16 7.7 1.3 0.69 0.59 0.97 CFSM 0.29 0.76 3.50 4.88 5.87 3.86 2.60 2.40 0.23 0.07 0.11 0.25 IN. 0.33 0.85 4.04 5.63 6.11 4.45 2.90 2.76 0.26 0.08 0.13 0.28 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1971 - 1998, BY WATER YEAR (WY) MEAN 5.72 8.65 22.1 39.9 54.3 47.0 24.9 17.7 15.5 14.7 9.80 9.26 MAX 25.0 31.3 81.9 114 145 113 63.6 56.1 67.6 40.3 53.0 67.3 (WY) 1996 1996 1998 1998 1973 1980 1973 1998 1973 1976 1971 1979 MIN 0.87 1.14 2.20 3.43 8.49 6.77 2.83 2.36 2.41 0.89 1.39 0.51 (WY) 1979 1979 1981 1981 1981 1981 1981 1981 1977 1977 1996 1996 SUMMARY STATISTICS FOR 1997 CALENDAR YEAR FOR 1998 WATER YEAR WATER YEARS 1971 - 1998 ANNUAL TOTAL 17503.56 ANNUAL MEAN 48.0 22.3 HIGHEST ANNUAL MEAN 48.0 1998 LOWEST ANNUAL MEAN 5.94 1981 HIGHEST DAILY MEAN 496 Feb 4 625 Feb 15 1973 LOWEST DAILY MEAN 0.59 Aug 8 0.21 Sep 24 1996 ANNUAL SEVEN-DAY MINIMUM 0.73 Aug 2 0.25 Sep 23 1996 MAXIMUM PEAK FLOW 594 Feb 4 2340 Sep 4 1979 MAXIMUM PEAK STAGE 6.33 Feb 4 7.37 Sep 4 1979 ANNUAL RUNOFF (CFSM) 2.05 0.953 ANNUAL RUNOFF (INCHES) 27.83 12.95 10 PERCENT EXCEEDS 124 52 50 PERCENT EXCEEDS 18 8.6 90 PERCENT EXCEEDS 1.4 1.8 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02174250 COW CASTLE CREEK NEAR BOWMAN, SC SOURCE AGENCY USGS STATE 45 COUNTY 075 LATITUDE 332243 LONGITUDE 0804200 NAD27 DRAINAGE AREA 23.40* CONTRIBUTING DRAINAGE AREA DATUM 125.00 NGVD29 Date Processed: 2005-04-11 11:58 By mishealy APPROVED DD #1, , 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 1.9 0.86 2.3 4.4 29 8.6 11 149 3.2 2.8 0.78 0.79 2 1.6 0.81 2.2 4.3 83 8.2 12 99 2.9 2.4 0.69 0.67 3 1.6 0.87 2.2 17 50 8.5 10 56 3.3 2.2 0.58 0.58 4 1.6 1.1 2.2 12 38 7.8 8.8 38 3.1 2.1 0.52 0.49 5 1.7 1.2 2.2 8.2 31 7.4 8.0 29 2.6 1.8 0.47 0.42 6 1.6 1.2 2.2 6.9 26 7.3 7.3 26 2.4 1.6 0.52 0.36 7 1.8 1.0 2.1 6.3 23 7.0 7.1 24 2.3 1.8 0.52 0.33 8 2.9 1.1 1.8 5.8 20 6.7 6.6 20 2.2 4.4 0.42 0.91 9 3.0 1.3 1.8 5.5 18 7.8 6.4 16 2.1 2.5 0.39 0.93 10 2.3 1.4 2.0 5.1 16 8.4 5.9 13 2.0 1.9 0.43 0.75 11 1.9 1.4 1.9 4.8 15 7.8 5.4 12 2.0 2.4 0.37 0.60 12 1.7 1.3 2.0 4.7 14 7.2 4.9 11 1.9 9.6 0.32 0.80 13 1.7 1.3 2.3 4.8 13 7.0 4.3 11 1.8 5.7 0.31 0.76 14 2.7 1.8 2.2 4.3 12 11 4.1 10 1.8 4.7 1.2 0.88 15 2.0 2.2 2.5 9.3 e12 16 4.9 8.9 1.8 3.9 1.2 4.7 16 1.5 2.4 3.3 9.6 e12 11 6.6 8.1 2.1 3.4 0.81 13 17 1.7 2.5 2.5 8.0 e12 10 4.8 7.6 4.1 9.0 1.1 6.2 18 1.8 2.2 2.3 12 e12 9.2 4.3 7.0 3.5 4.9 0.79 3.8 19 1.4 2.1 2.3 12 e12 8.4 4.0 7.7 2.4 3.5 1.0 3.0 20 1.2 1.9 2.2 9.8 e11 7.8 3.9 7.5 2.1 3.2 43 3.0 21 1.0 2.0 1.9 8.7 e11 8.8 3.6 6.2 2.0 2.8 9.9 2.9 22 0.96 2.2 1.9 7.9 e11 9.3 3.5 5.9 1.9 2.3 4.8 2.3 23 1.9 2.3 1.9 11 e10 8.2 3.3 6.0 1.7 2.2 3.3 2.0 24 1.1 2.4 2.0 112 9.2 7.7 3.1 6.4 1.5 2.0 3.0 2.0 25 0.97 2.4 3.0 60 9.0 8.4 3.1 5.6 1.9 1.8 4.7 1.9 26 0.93 2.3 4.7 37 8.7 14 3.0 4.5 2.3 1.8 3.3 2.3 27 0.98 1.9 7.0 28 8.4 13 4.0 4.3 3.2 1.5 2.1 7.9 28 0.97 2.0 5.1 23 8.6 11 6.3 4.0 6.6 1.7 1.6 12 29 0.90 2.7 9.4 20 --- 9.8 5.1 3.7 4.5 1.2 1.4 10 30 0.88 2.4 7.1 17 --- 8.8 47 3.5 3.3 1.0 1.1 9.8 31 0.84 --- 4.9 16 --- 8.6 --- 3.4 --- 0.90 0.88 --- TOTAL 49.03 52.54 93.4 495.4 534.9 280.7 212.3 614.3 78.5 93.00 91.50 96.07 MEAN 1.58 1.75 3.01 16.0 19.1 9.05 7.08 19.8 2.62 3.00 2.95 3.20 MAX 3.0 2.7 9.4 112 83 16 47 149 6.6 9.6 43 13 MIN 0.84 0.81 1.8 4.3 8.4 6.7 3.0 3.4 1.5 0.90 0.31 0.33 CFSM 0.07 0.07 0.13 0.68 0.82 0.39 0.30 0.85 0.11 0.13 0.13 0.14 IN. 0.08 0.08 0.15 0.79 0.85 0.45 0.34 0.98 0.12 0.15 0.15 0.15 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1971 - 1999, BY WATER YEAR (WY) MEAN 5.44 8.19 20.8 38.3 52.0 44.5 23.7 17.9 14.6 13.9 9.34 8.86 MAX 25.0 31.3 81.9 114 145 113 63.6 56.1 67.6 40.3 53.0 67.3 (WY) 1996 1996 1998 1998 1973 1980 1973 1998 1973 1976 1971 1979 MIN 0.87 1.14 2.20 3.43 8.49 6.77 2.83 2.36 2.41 0.89 1.39 0.51 (WY) 1979 1979 1981 1981 1981 1981 1981 1981 1977 1977 1996 1996 SUMMARY STATISTICS FOR 1998 CALENDAR YEAR FOR 1999 WATER YEAR WATER YEARS 1971 - 1999 ANNUAL TOTAL 2691.64 ANNUAL MEAN 7.37 21.3 HIGHEST ANNUAL MEAN 48.0 1998 LOWEST ANNUAL MEAN 5.94 1981 HIGHEST DAILY MEAN 149 May 1 625 Feb 15 1973 LOWEST DAILY MEAN 0.31 Aug 13 0.21 Sep 24 1996 ANNUAL SEVEN-DAY MINIMUM 0.39 Aug 7 0.25 Sep 23 1996 MAXIMUM PEAK FLOW 179 May 1 2340 Sep 4 1979 MAXIMUM PEAK STAGE 4.84 May 1 7.37 Sep 4 1979 ANNUAL RUNOFF (CFSM) 0.315 0.910 ANNUAL RUNOFF (INCHES) 4.28 12.37 10 PERCENT EXCEEDS 13 50 50 PERCENT EXCEEDS 3.3 8.0 90 PERCENT EXCEEDS 0.92 1.7 e Estimated 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02174250 COW CASTLE CREEK NEAR BOWMAN, SC SOURCE AGENCY USGS STATE 45 COUNTY 075 LATITUDE 332243 LONGITUDE 0804200 NAD27 DRAINAGE AREA 23.40* CONTRIBUTING DRAINAGE AREA DATUM 125.00 NGVD29 Date Processed: 2005-04-11 11:58 By mishealy APPROVED DD #1, , 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 7.3 4.8 6.5 11 57 16 19 4.1 1.6 3.0 7.3 1.8 2 5.7 5.1 6.4 10 46 15 17 3.9 1.5 1.9 9.7 3.9 3 4.6 4.5 7.0 9.9 41 14 16 4.0 1.4 1.5 8.5 7.1 4 4.7 4.1 6.7 10 37 16 14 4.1 1.3 1.2 7.0 4.5 5 5.1 4.1 6.6 12 32 17 13 3.5 1.9 1.1 6.5 5.8 6 4.4 3.9 6.8 10 29 15 12 3.2 1.9 1.3 5.1 8.6 7 3.8 3.9 6.3 11 27 14 11 3.0 1.7 1.0 4.2 6.9 8 3.3 4.4 6.0 11 25 13 10 3.0 1.6 1.0 3.8 5.3 9 3.4 3.9 5.8 11 24 12 10 3.0 1.5 0.90 3.5 4.3 10 3.2 3.7 6.0 43 22 12 9.6 2.9 1.4 0.74 3.6 3.7 11 4.3 4.2 5.8 46 21 37 8.9 2.6 1.4 0.69 3.4 3.3 12 12 5.1 5.9 28 19 53 8.3 2.4 1.3 0.71 3.9 3.0 13 15 4.4 5.8 23 18 34 7.8 2.3 1.3 0.84 3.5 2.7 14 11 4.3 13 19 30 26 8.7 2.3 1.7 1.4 3.0 2.5 15 8.4 4.5 11 17 34 22 12 2.2 1.7 0.94 2.8 2.4 16 8.6 4.5 9.2 17 27 21 11 2.0 1.7 0.61 2.7 2.1 17 11 4.3 8.2 15 24 31 9.1 2.0 1.6 0.56 2.6 2.0 18 11 4.1 7.6 15 22 24 8.2 2.0 1.4 0.54 2.4 3.9 19 8.8 4.7 46 14 21 20 7.6 2.0 1.6 0.53 2.1 5.1 20 9.1 5.0 50 21 19 126 7.1 1.8 1.8 0.50 1.8 3.6 21 8.5 4.8 32 19 18 154 6.9 1.8 1.9 0.50 1.6 3.3 22 7.6 4.8 25 17 17 74 6.0 1.9 1.6 0.48 1.5 5.2 23 6.7 4.8 22 28 16 53 5.7 1.8 1.6 1.1 1.3 175 24 5.7 4.7 20 91 15 42 5.7 1.7 1.4 13 1.3 76 25 5.2 4.7 17 219 14 35 5.8 1.6 1.4 8.7 1.6 47 26 4.9 8.2 16 107 14 30 5.4 1.9 2.2 4.4 1.8 73 27 4.7 10 15 67 15 28 5.0 1.8 2.9 2.8 1.8 38 28 4.6 8.8 14 52 22 27 5.3 1.9 8.0 14 1.9 26 29 4.5 7.4 13 46 18 22 4.7 1.8 4.9 21 1.8 20 30 4.1 6.9 12 58 --- 21 4.5 1.8 4.0 9.8 1.9 17 31 4.4 --- 11 79 --- 23 --- 1.7 --- 7.9 2.0 --- TOTAL 205.6 152.6 423.6 1136.9 724 1047 275.3 76.0 61.2 104.64 105.9 563.0 MEAN 6.63 5.09 13.7 36.7 25.0 33.8 9.18 2.45 2.04 3.38 3.42 18.8 MAX 15 10 50 219 57 154 19 4.1 8.0 21 9.7 175 MIN 3.2 3.7 5.8 9.9 14 12 4.5 1.6 1.3 0.48 1.3 1.8 CFSM 0.28 0.22 0.58 1.57 1.07 1.44 0.39 0.10 0.09 0.14 0.15 0.80 IN. 0.33 0.24 0.67 1.81 1.15 1.66 0.44 0.12 0.10 0.17 0.17 0.90 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1971 - 2000, BY WATER YEAR (WY) MEAN 5.51 8.00 20.3 38.2 50.3 43.8 22.8 16.9 13.8 13.2 8.97 9.48 MAX 25.0 31.3 81.9 114 145 113 63.6 56.1 67.6 40.3 53.0 67.3 (WY) 1996 1996 1998 1998 1973 1980 1973 1998 1973 1976 1971 1979 MIN 0.87 1.14 2.20 3.43 8.49 6.77 2.83 2.36 2.04 0.89 1.39 0.51 (WY) 1979 1979 1981 1981 1981 1981 1981 1981 2000 1977 1996 1996 SUMMARY STATISTICS FOR 1999 CALENDAR YEAR FOR 2000 WATER YEAR WATER YEARS 1971 - 2000 ANNUAL TOTAL 4875.74 ANNUAL MEAN 13.3 20.8 HIGHEST ANNUAL MEAN 48.0 1998 LOWEST ANNUAL MEAN 5.94 1981 HIGHEST DAILY MEAN 219 Jan 25 625 Feb 15 1973 LOWEST DAILY MEAN 0.48 Jul 22 0.21 Sep 24 1996 ANNUAL SEVEN-DAY MINIMUM 0.53 Jul 16 0.25 Sep 23 1996 MAXIMUM PEAK FLOW 248 Jan 25 2340 Sep 4 1979 MAXIMUM PEAK STAGE 5.39 Jan 25 7.37 Sep 4 1979 ANNUAL RUNOFF (CFSM) 0.569 0.889 ANNUAL RUNOFF (INCHES) 7.75 12.08 10 PERCENT EXCEEDS 29 49 50 PERCENT EXCEEDS 5.8 7.8 90 PERCENT EXCEEDS 1.6 1.7 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02174250 COW CASTLE CREEK NEAR BOWMAN, SC SOURCE AGENCY USGS STATE 45 COUNTY 075 LATITUDE 332243 LONGITUDE 0804200 NAD27 DRAINAGE AREA 23.40* CONTRIBUTING DRAINAGE AREA DATUM 125.00 NGVD29 Date Processed: 2005-04-11 11:58 By mishealy APPROVED DD #1, , 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 14 3.4 8.7 11 9.8 14 40 5.9 4.3 11 12 2.9 2 13 3.3 8.4 10 9.5 13 31 5.4 3.9 11 10 2.6 3 11 3.3 8.1 10 9.0 24 30 5.3 3.5 17 9.2 2.6 4 9.9 3.3 7.9 10 9.5 123 29 5.0 3.4 118 8.1 2.5 5 9.4 3.3 7.8 10 9.7 73 25 4.8 3.8 49 7.3 2.4 6 8.5 3.4 7.6 10 9.0 46 23 4.6 3.0 29 6.9 2.1 7 7.8 3.4 7.6 9.7 8.6 36 21 4.6 2.8 21 6.5 2.1 8 7.1 3.4 7.3 11 8.5 30 20 4.9 2.9 17 5.7 2.2 9 6.8 3.4 7.4 13 8.4 26 18 4.5 3.0 14 5.3 1.9 10 6.7 3.4 12 11 8.3 24 16 4.6 3.0 12 4.9 3.1 11 6.5 3.3 12 10 7.9 21 14 4.9 2.9 11 4.5 2.4 12 6.0 3.3 18 12 13 20 13 4.2 3.8 15 4.2 2.0 13 5.5 3.6 14 14 15 45 12 4.3 14 25 4.2 1.8 14 5.5 4.1 12 13 13 31 11 3.9 19 15 4.4 1.9 15 5.5 4.2 11 12 12 96 11 3.7 11 12 5.7 1.9 16 5.2 3.9 11 12 11 106 11 3.7 7.6 10 4.5 1.4 17 5.0 4.2 13 12 12 60 9.8 3.6 43 9.5 4.1 1.6 18 4.8 4.2 12 11 11 45 8.9 3.5 18 8.7 3.7 1.1 19 4.7 7.1 12 11 10 36 8.5 3.4 12 7.9 4.2 0.96 20 4.6 15 11 25 9.5 39 8.1 3.2 11 10 4.2 1.7 21 5.0 11 11 22 e29 48 7.8 3.2 9.0 8.7 3.6 3.0 22 4.3 9.0 10 18 e83 40 7.4 3.0 8.5 7.5 3.3 2.3 23 4.0 7.7 9.7 16 e36 32 6.8 3.0 8.9 7.0 3.1 1.5 24 3.9 7.3 9.4 15 23 28 6.5 2.9 7.8 7.5 3.1 2.9 25 3.9 12 9.3 13 20 26 7.2 2.8 15 9.4 3.0 2.2 26 3.8 17 9.0 12 18 25 7.8 3.0 19 9.6 2.8 1.8 27 3.6 13 8.9 12 16 22 6.9 3.0 17 12 2.5 1.7 28 3.5 10 10 11 15 20 6.3 2.8 35 69 2.4 1.5 29 3.5 10 14 11 --- 48 6.1 8.8 18 34 2.4 1.6 30 3.5 9.7 13 11 --- 72 6.1 11 13 21 2.7 1.4 31 3.4 --- 11 10 --- 50 --- 5.2 --- 16 3.6 --- TOTAL 189.9 193.2 324.1 388.7 444.7 1319 429.2 136.7 327.1 624.8 152.1 61.06 MEAN 6.13 6.44 10.5 12.5 15.9 42.5 14.3 4.41 10.9 20.2 4.91 2.04 MAX 14 17 18 25 83 123 40 11 43 118 12 3.1 MIN 3.4 3.3 7.3 9.7 7.9 13 6.1 2.8 2.8 7.0 2.4 0.96 CFSM 0.26 0.28 0.45 0.54 0.68 1.82 0.61 0.19 0.47 0.86 0.21 0.09 IN. 0.30 0.31 0.52 0.62 0.71 2.10 0.68 0.22 0.52 0.99 0.24 0.10 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1971 - 2001, BY WATER YEAR (WY) MEAN 5.55 7.91 19.8 36.7 48.3 43.7 22.3 16.2 13.7 13.6 8.73 9.04 MAX 25.0 31.3 81.9 114 145 113 63.6 56.1 67.6 40.3 53.0 67.3 (WY) 1996 1996 1998 1998 1973 1980 1973 1998 1973 1976 1971 1979 MIN 0.87 1.14 2.20 3.43 8.49 6.77 2.83 2.36 2.04 0.89 1.39 0.51 (WY) 1979 1979 1981 1981 1981 1981 1981 1981 2000 1977 1996 1996 SUMMARY STATISTICS FOR 2000 CALENDAR YEAR FOR 2001 WATER YEAR WATER YEARS 1971 - 2001 ANNUAL TOTAL 4590.56 ANNUAL MEAN 12.6 20.3 HIGHEST ANNUAL MEAN 48.0 1998 LOWEST ANNUAL MEAN 5.94 1981 HIGHEST DAILY MEAN 123 Mar 4 625 Feb 15 1973 LOWEST DAILY MEAN 0.96 Sep 19 0.21 Sep 24 1996 ANNUAL SEVEN-DAY MINIMUM 1.5 Sep 14 0.25 Sep 23 1996 MAXIMUM PEAK FLOW 174 Mar 15 2340 Sep 4 1979 MAXIMUM PEAK STAGE 4.78 Mar 15 7.37 Sep 4 1979 ANNUAL RUNOFF (CFSM) 0.537 0.868 ANNUAL RUNOFF (INCHES) 7.30 11.80 10 PERCENT EXCEEDS 25 48 50 PERCENT EXCEEDS 8.9 8.0 90 PERCENT EXCEEDS 2.9 1.8 e Estimated 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02174250 COW CASTLE CREEK NEAR BOWMAN, SC SOURCE AGENCY USGS STATE 45 COUNTY 075 LATITUDE 332243 LONGITUDE 0804200 NAD27 DRAINAGE AREA 23.40* CONTRIBUTING DRAINAGE AREA DATUM 125.00 NGVD29 Date Processed: 2005-04-11 11:58 By mishealy APPROVED DD #1, , 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 1.9 4.1 4.3 1.3 1.4 1.7 14 1.5 0.35 0.39 e0.00 4.4 2 1.9 4.0 4.3 1.6 1.1 4.7 7.0 1.6 0.25 0.25 e0.02 3.2 3 1.9 4.0 4.6 1.6 1.1 13 5.3 1.2 0.22 0.18 e0.03 2.4 4 1.8 3.5 4.7 1.8 1.5 6.8 4.7 1.4 0.20 0.15 e0.51 1.8 5 1.8 3.6 4.6 2.3 1.1 4.9 4.4 4.1 0.18 0.14 e0.07 1.8 6 2.1 3.7 4.6 2.3 1.4 4.3 4.1 2.4 0.17 0.15 e0.01 1.5 7 2.7 3.8 4.0 2.3 9.5 3.7 4.1 1.5 0.27 3.9 e0.02 1.3 8 2.7 3.9 3.6 1.7 7.1 3.3 3.7 1.4 0.19 1.1 e0.00 1.3 9 2.3 4.5 3.4 1.6 4.6 3.2 3.3 1.4 0.16 0.23 e0.00 1.2 10 2.1 5.2 3.7 2.7 3.5 3.6 3.2 1.3 0.13 0.16 e0.00 0.89 11 2.2 4.7 4.1 1.2 3.1 3.1 3.3 1.3 0.10 0.27 e0.00 0.64 12 2.5 4.8 4.0 2.1 2.6 3.3 3.7 1.2 0.09 0.71 e0.00 0.57 13 2.5 4.8 4.7 4.3 2.3 3.7 4.2 0.93 0.08 0.71 e0.00 0.53 14 2.4 4.9 3.5 4.1 2.2 3.3 3.8 0.97 0.06 0.22 e0.00 0.74 15 2.3 4.8 3.0 2.9 2.4 3.1 5.8 0.85 0.05 0.19 e0.00 1.5 16 2.2 4.5 3.2 2.0 2.1 2.9 3.7 0.76 0.04 0.13 e0.01 2.6 17 2.3 4.5 3.4 2.4 2.0 2.8 3.0 0.77 0.04 0.08 e0.00 1.3 18 2.2 5.3 3.5 2.0 2.2 2.8 3.1 1.2 0.05 0.05 e0.01 0.93 19 2.2 5.2 3.2 1.6 1.8 2.8 2.8 1.4 0.06 0.04 e0.96 1.1 20 2.4 4.8 2.9 1.7 1.9 3.1 2.3 1.2 0.17 0.03 0.38 0.98 21 2.5 5.0 2.4 1.6 1.9 3.2 2.1 0.96 0.13 0.03 0.08 0.79 22 2.5 5.7 2.0 1.4 1.8 3.2 2.0 0.79 0.14 0.03 0.18 0.71 23 2.5 6.7 2.1 1.3 1.7 3.1 1.8 0.73 0.18 0.04 0.06 0.72 24 2.3 6.7 2.4 1.8 1.9 2.8 1.9 0.63 0.19 0.04 0.05 0.69 25 2.5 6.3 1.8 1.4 1.8 3.0 2.0 0.51 0.34 0.10 0.20 0.67 26 2.8 6.0 1.7 1.6 1.8 3.3 1.7 0.52 0.33 0.03 0.15 25 27 2.9 5.7 1.5 1.5 1.7 6.9 1.5 0.53 3.5 e0.03 0.69 18 28 3.3 5.7 1.4 1.6 1.9 4.5 1.5 0.45 0.55 e0.02 20 10 29 3.5 4.8 1.4 1.4 --- 3.7 1.3 0.41 0.34 e0.02 12 7.0 30 3.7 4.5 1.4 1.2 --- 4.0 1.2 0.54 0.27 e0.00 6.5 5.6 31 4.0 --- 1.3 1.5 --- 4.8 --- 0.48 --- e0.00 5.6 --- TOTAL 76.9 145.7 96.7 59.8 69.4 122.6 106.5 34.93 8.83 9.42 47.53 99.86 MEAN 2.48 4.86 3.12 1.93 2.48 3.95 3.55 1.13 0.29 0.30 1.53 3.33 MAX 4.0 6.7 4.7 4.3 9.5 13 14 4.1 3.5 3.9 20 25 MIN 1.8 3.5 1.3 1.2 1.1 1.7 1.2 0.41 0.04 0.00 0.00 0.53 CFSM 0.11 0.21 0.13 0.08 0.11 0.17 0.15 0.05 0.01 0.01 0.07 0.14 IN. 0.12 0.23 0.15 0.10 0.11 0.19 0.17 0.06 0.01 0.01 0.08 0.16 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1971 - 2002, BY WATER YEAR (WY) MEAN 5.38 7.74 18.8 34.7 45.7 41.5 21.3 15.3 12.9 12.9 8.33 8.72 MAX 25.0 31.3 81.9 114 145 113 63.6 56.1 67.6 40.3 53.0 67.3 (WY) 1996 1996 1998 1998 1973 1980 1973 1998 1973 1976 1971 1979 MIN 0.87 1.14 2.20 1.93 2.48 3.95 2.83 1.13 0.29 0.30 1.39 0.51 (WY) 1979 1979 1981 2002 2002 2002 1981 2002 2002 2002 1996 1996 SUMMARY STATISTICS FOR 2001 CALENDAR YEAR FOR 2002 WATER YEAR WATER YEARS 1971 - 2002 ANNUAL TOTAL 4202.66 878.17 ANNUAL MEAN 11.5 2.41 19.3 HIGHEST ANNUAL MEAN 48.0 1998 LOWEST ANNUAL MEAN 2.41 2002 HIGHEST DAILY MEAN 123 Mar 4 25 Sep 26 625 Feb 15 1973 LOWEST DAILY MEAN 0.96 Sep 19 0.00 Jul 30 0.00 Jul 30 2002 ANNUAL SEVEN-DAY MINIMUM 1.5 Dec 25 0.00 Aug 8 0.00 Aug 8 2002 MAXIMUM PEAK FLOW 40 Sep 26 2340 Sep 4 1979 MAXIMUM PEAK STAGE 2.30 Sep 26 7.37 Sep 4 1979 ANNUAL RUNOFF (CFSM) 0.492 0.103 0.826 ANNUAL RUNOFF (INCHES) 6.68 1.40 11.22 10 PERCENT EXCEEDS 25 4.8 46 50 PERCENT EXCEEDS 5.9 1.8 7.0 90 PERCENT EXCEEDS 2.2 0.06 1.6 e Estimated 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02174250 COW CASTLE CREEK NEAR BOWMAN, SC SOURCE AGENCY USGS STATE 45 COUNTY 075 LATITUDE 332243 LONGITUDE 0804200 NAD27 DRAINAGE AREA 23.40* CONTRIBUTING DRAINAGE AREA DATUM 125.00 NGVD29 Date Processed: 2005-04-11 11:58 By mishealy APPROVED DD #1, , 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 4.8 10 11 23 11 48 36 24 14 17 43 10 2 4.2 9.2 10 24 10 246 30 20 12 187 37 10 3 4.0 8.7 10 23 9.5 231 26 18 13 415 60 10 4 3.6 8.5 9.7 20 9.8 88 23 17 15 142 252 11 5 3.1 8.2 12 18 9.7 68 21 15 13 73 123 20 6 2.8 12 13 18 9.4 68 21 15 18 51 226 17 7 3.3 10 11 16 18 120 214 35 79 48 510 19 8 14 9.7 11 16 16 127 513 23 258 51 296 101 9 11 8.8 10 15 14 82 386 17 559 34 111 80 10 8.3 8.4 10 14 16 64 508 14 238 28 71 47 11 37 11 13 13 17 53 386 12 86 29 56 34 12 28 50 13 12 15 45 157 9.9 64 24 45 26 13 18 56 30 12 14 53 95 8.9 55 34 38 22 14 26 32 33 12 13 57 67 8.6 45 220 31 18 15 55 24 24 11 12 282 51 9.0 40 498 31 16 16 53 26 20 11 18 e1030 41 9.0 268 378 63 13 17 34 52 18 11 39 655 34 9.5 503 97 81 11 18 24 41 16 11 32 482 29 13 312 73 50 9.9 19 19 30 15 10 25 270 51 154 341 61 75 9.0 20 16 25 20 9.9 22 368 42 87 159 61 48 8.3 21 14 22 19 9.5 21 585 34 48 80 44 35 7.7 22 14 20 17 11 27 367 29 36 53 38 29 7.7 23 12 17 15 12 41 136 23 152 39 63 25 8.6 24 12 16 46 11 27 89 19 97 30 57 20 7.9 25 11 15 71 10 23 67 143 55 24 41 18 7.1 26 11 14 42 10 20 54 198 64 19 90 16 6.7 27 9.9 13 32 9.8 41 45 80 42 16 80 15 6.4 28 9.6 12 27 9.5 51 39 52 31 15 61 13 5.8 29 19 12 24 9.1 --- 34 38 24 21 42 11 5.2 30 15 11 22 9.9 --- 41 29 19 20 41 10 5.0 31 12 --- 20 12 --- 44 --- 16 --- 46 9.7 --- TOTAL 508.6 592.5 644.7 413.7 581.4 5938 3376 1102.9 3409 3124 2448.7 560.3 MEAN 16.4 19.8 20.8 13.3 20.8 192 113 35.6 114 101 79.0 18.7 MAX 55 56 71 24 51 1030 513 154 559 498 510 101 MIN 2.8 8.2 9.7 9.1 9.4 34 19 8.6 12 17 9.7 5.0 CFSM 0.70 0.84 0.89 0.57 0.89 8.19 4.81 1.52 4.86 4.31 3.38 0.80 IN. 0.81 0.94 1.02 0.66 0.92 9.44 5.37 1.75 5.42 4.97 3.89 0.89 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1971 - 2003, BY WATER YEAR (WY) MEAN 5.96 8.37 18.9 33.6 44.4 49.4 26.1 16.4 18.2 17.5 12.1 9.25 MAX 25.0 31.3 81.9 114 145 192 113 56.1 114 101 79.0 67.3 (WY) 1996 1996 1998 1998 1973 2003 2003 1998 2003 2003 2003 1979 MIN 0.87 1.14 2.20 1.93 2.48 3.95 2.83 1.13 0.29 0.30 1.39 0.51 (WY) 1979 1979 1981 2002 2002 2002 1981 2002 2002 2002 1996 1996 SUMMARY STATISTICS FOR 2002 CALENDAR YEAR FOR 2003 WATER YEAR WATER YEARS 1971 - 2003 ANNUAL TOTAL 2304.67 22699.8 ANNUAL MEAN 6.31 62.2 21.6 HIGHEST ANNUAL MEAN 62.2 2003 LOWEST ANNUAL MEAN 2.41 2002 HIGHEST DAILY MEAN 71 Dec 25 1030 Mar 16 1030 Mar 16 2003 LOWEST DAILY MEAN 0.00 Jul 30 2.8 Oct 6 0.00 Jul 30 2002 ANNUAL SEVEN-DAY MINIMUM 0.00 Aug 8 3.7 Oct 1 0.00 Aug 8 2002 MAXIMUM PEAK FLOW 1000000 Mar 16 2340 Sep 4 1979 MAXIMUM PEAK STAGE 7.11 Mar 16 7.37 Sep 4 1979 ANNUAL RUNOFF (CFSM) 0.270 2.66 0.922 ANNUAL RUNOFF (INCHES) 3.66 36.09 12.53 10 PERCENT EXCEEDS 18 147 49 50 PERCENT EXCEEDS 2.0 23 7.9 90 PERCENT EXCEEDS 0.06 9.6 1.6 e Estimated 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02174250 COW CASTLE CREEK NEAR BOWMAN, SC SOURCE AGENCY USGS STATE 45 COUNTY 075 LATITUDE 332243 LONGITUDE 0804200 NAD27 DRAINAGE AREA 23.40* CONTRIBUTING DRAINAGE AREA DATUM 125.00 NGVD29 Date Processed: 2005-04-11 11:58 By mishealy APPROVED DD #1, , 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 5.2 8.8 4.7 5.4 13 62 8.9 e3.3 1.4 6.9 1.5 1.3 2 5.0 8.1 4.6 5.3 e12 53 8.7 e3.3 1.4 3.7 2.2 1.2 3 4.6 7.5 4.5 5.2 e14 45 8.3 e7.2 1.2 2.9 2.5 1.1 4 4.5 7.5 5.4 5.4 e15 39 8.0 e6.0 1.2 2.4 1.9 1.1 5 4.1 7.7 6.0 5.2 e10 36 7.6 e5.0 1.2 1.9 1.2 0.96 6 4.0 7.1 5.6 5.0 e12 e33 7.4 4.2 1.1 1.7 1.1 1.1 7 4.0 6.7 5.0 4.7 e20 e28 7.3 3.5 1.2 1.4 1.0 5.6 8 4.3 6.5 4.7 4.6 e25 e25 7.1 3.2 1.2 1.2 1.1 8.4 9 4.6 6.4 4.7 5.0 e17 e23 7.5 3.0 1.4 1.3 1.0 6.0 10 4.5 6.1 e6.2 5.1 e12 23 6.4 2.8 1.4 1.4 0.91 3.3 11 4.4 5.9 e13 4.8 11 21 5.8 e2.7 1.6 1.3 0.95 2.2 12 4.2 6.1 8.3 4.4 57 20 8.7 e2.9 1.3 1.4 1.1 2.1 13 3.9 6.1 7.6 e4.5 69 18 e8.8 3.0 3.7 4.3 4.7 2.4 14 3.8 5.1 10 e4.8 80 17 e8.1 2.8 3.9 2.7 3.2 2.0 15 3.6 4.9 12 e4.7 181 16 e6.9 e2.6 2.4 1.5 e2.3 2.1 16 3.5 4.9 9.5 e5.4 121 16 5.3 e2.5 2.2 1.0 e2.5 3.0 17 3.5 4.7 9.4 e6.2 76 16 5.2 e2.3 2.0 1.1 e1.7 3.6 18 6.4 4.6 9.2 e6.0 64 15 5.0 2.2 1.7 1.2 e1.4 3.2 19 4.5 6.5 10 e4.8 50 e13 4.8 e2.1 1.7 1.3 e1.3 2.5 20 4.0 7.9 8.5 e4.1 42 12 4.5 2.0 1.8 1.1 1.1 2.2 21 3.7 6.1 7.8 e3.7 36 13 4.2 2.0 2.1 0.93 1.0 2.2 22 3.3 5.4 7.4 e3.8 30 12 4.0 1.9 2.6 0.85 1.1 2.2 23 3.0 5.2 8.2 3.7 27 e11 3.8 2.0 1.9 0.85 1.1 2.1 24 2.9 5.3 7.9 4.6 25 11 3.6 1.9 1.4 0.82 0.91 1.9 25 2.8 5.2 7.4 4.2 24 10 3.4 1.7 1.2 1.2 0.75 1.9 26 3.1 4.9 6.5 e10 181 10 3.4 1.6 1.3 0.98 0.67 1.9 27 3.6 5.0 6.2 e60 e355 9.7 3.9 1.4 1.3 0.87 0.68 6.8 28 6.6 5.6 6.0 e30 e116 9.1 3.8 1.3 1.5 3.1 0.68 67 29 38 5.1 5.9 21 e80 8.7 3.3 2.2 10 7.4 1.3 18 30 15 4.9 5.8 17 --- 8.8 3.3 2.7 7.4 2.6 1.3 11 31 10 --- 5.6 15 --- 9.1 --- 1.7 --- 1.8 1.2 --- TOTAL 178.6 181.8 223.6 273.6 1775 643.4 177.0 87.0 65.7 63.10 45.35 170.36 MEAN 5.76 6.06 7.21 8.83 61.2 20.8 5.90 2.81 2.19 2.04 1.46 5.68 MAX 38 8.8 13 60 355 62 8.9 7.2 10 7.4 4.7 67 MIN 2.8 4.6 4.5 3.7 10 8.7 3.3 1.3 1.1 0.82 0.67 0.96 CFSM 0.25 0.26 0.31 0.38 2.62 0.89 0.25 0.12 0.09 0.09 0.06 0.24 IN. 0.28 0.29 0.36 0.43 2.82 1.02 0.28 0.14 0.10 0.10 0.07 0.27 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1971 - 2004, BY WATER YEAR (WY) MEAN 5.95 8.25 18.3 32.4 45.3 48.0 25.1 15.7 17.4 16.8 11.5 9.07 MAX 25.0 31.3 81.9 114 145 192 113 56.1 114 101 79.0 67.3 (WY) 1996 1996 1998 1998 1973 2003 2003 1998 2003 2003 2003 1979 MIN 0.87 1.14 2.20 1.93 2.48 3.95 2.83 1.13 0.29 0.30 1.39 0.51 (WY) 1979 1979 1981 2002 2002 2002 1981 2002 2002 2002 1996 1996 SUMMARY STATISTICS FOR 2003 CALENDAR YEAR FOR 2004 WATER YEAR WATER YEARS 1971 - 2004 ANNUAL TOTAL 21538.0 3884.51 ANNUAL MEAN 59.0 10.6 21.0 HIGHEST ANNUAL MEAN 62.2 2003 LOWEST ANNUAL MEAN 2.41 2002 HIGHEST DAILY MEAN 1030 Mar 16 355 Feb 27 1030 Mar 16 2003 LOWEST DAILY MEAN 2.8 Oct 25 0.67 Aug 26 0.00 Jul 30 2002 ANNUAL SEVEN-DAY MINIMUM 3.2 Oct 21 0.84 Aug 22 0.00 Aug 8 2002 MAXIMUM PEAK FLOW 385 Feb 27 2340 Sep 4 1979 MAXIMUM PEAK STAGE 5.49 Feb 27 7.37 Sep 4 1979 ANNUAL RUNOFF (CFSM) 2.52 0.454 0.899 ANNUAL RUNOFF (INCHES) 34.24 6.18 12.21 10 PERCENT EXCEEDS 147 20 48 50 PERCENT EXCEEDS 18 4.6 7.4 90 PERCENT EXCEEDS 5.0 1.2 1.6 e Estimated