1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02157470 MIDDLE TYGER RIVER NEAR GRAMLING, SC SOURCE AGENCY USGS STATE 45 COUNTY 053 LATITUDE 350220 LONGITUDE 0821307 NAD83 DRAINAGE AREA 34.7* CONTRIBUTING DRAINAGE AREA DATUM 262 NGVD29 Date Processed: 2005-04-11 11:49 By mishealy APPROVED DD #4, 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 --- --- --- --- --- 24 37 31 18 9.2 4.4 10 2 --- --- --- --- --- 33 34 27 17 13 4.2 8.3 3 --- --- --- --- --- 41 32 25 16 10 4.1 7.7 4 --- --- --- --- --- 31 30 74 16 18 3.8 6.8 5 --- --- --- --- --- 29 29 53 34 12 3.4 5.9 6 --- --- --- --- --- 27 29 38 22 9.2 3.2 5.3 7 --- --- --- --- --- 27 29 31 30 8.4 2.8 5.2 8 --- --- --- --- --- 26 29 27 20 7.7 2.7 4.8 9 --- --- --- --- --- 26 29 28 18 7.5 2.7 4.1 10 --- --- --- --- --- 26 30 35 17 7.3 2.6 3.7 11 --- --- --- --- --- 25 27 29 e15 9.5 2.7 3.3 12 --- --- --- --- --- 30 28 27 e15 9.1 2.4 2.9 13 --- --- --- --- --- 45 32 30 e14 9.4 2.3 18 14 --- --- --- --- --- 39 30 31 e14 10 2.3 53 15 --- --- --- --- 30 34 28 26 e13 10 3.8 123 16 --- --- --- --- 29 32 27 25 e13 8.5 26 70 17 --- --- --- --- 28 37 26 24 e12 6.5 13 31 18 --- --- --- --- 27 37 26 25 12 6.0 9.0 25 19 --- --- --- --- 27 34 26 23 11 6.0 7.7 22 20 --- --- --- --- 28 34 28 22 11 5.3 7.0 19 21 --- --- --- --- 28 46 25 21 10 5.0 6.3 39 22 --- --- --- --- 27 41 23 21 9.8 4.9 5.6 63 23 --- --- --- --- 26 37 22 21 12 4.7 5.5 33 24 --- --- --- --- 25 35 21 20 12 6.3 5.4 25 25 --- --- --- --- 25 33 23 20 11 13 6.5 24 26 --- --- --- --- 25 35 21 19 10 11 7.6 32 27 --- --- --- --- 24 35 21 18 11 8.2 6.7 48 28 --- --- --- --- 24 31 22 22 11 6.9 6.6 39 29 --- --- --- --- --- 30 22 18 12 5.9 7.3 29 30 --- --- --- --- --- 37 21 18 10 5.2 8.5 25 31 --- --- --- --- --- 41 --- 18 --- 4.9 9.1 --- TOTAL --- --- --- --- --- 1038 807 847 446.8 258.6 185.2 786.0 MEAN --- --- --- --- --- 33.5 26.9 27.3 14.9 8.34 5.97 26.2 MAX --- --- --- --- 46 37 74 34 18 26 123 MIN --- --- --- --- 24 21 18 9.8 4.7 2.3 2.9 CFSM --- --- --- --- --- 0.96 0.78 0.79 0.43 0.24 0.17 0.76 IN. --- --- --- --- --- 1.11 0.87 0.91 0.48 0.28 0.20 0.84 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 2002 - 2002, BY WATER YEAR (WY) MEAN --- --- --- --- --- 33.5 26.9 27.3 14.9 8.34 5.97 26.2 MAX --- --- --- --- --- 33.5 26.9 27.3 14.9 8.34 5.97 26.2 (WY) --- --- --- --- --- 2002 2002 2002 2002 2002 2002 2002 MIN --- --- --- --- --- 33.5 26.9 27.3 14.9 8.34 5.97 26.2 (WY) --- --- --- --- --- 2002 2002 2002 2002 2002 2002 2002 e Estimated 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02157470 MIDDLE TYGER RIVER NEAR GRAMLING, SC SOURCE AGENCY USGS STATE 45 COUNTY 053 LATITUDE 350220 LONGITUDE 0821307 NAD83 DRAINAGE AREA 34.7* CONTRIBUTING DRAINAGE AREA DATUM 262 NGVD29 Date Processed: 2005-04-11 11:49 By mishealy APPROVED DD #4, 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 23 30 26 63 38 57 61 53 67 65 114 49 2 21 28 26 56 36 56 58 65 64 718 184 46 3 20 26 25 58 35 51 55 117 86 234 98 46 4 19 25 27 52 41 49 54 239 141 140 84 52 5 18 30 e250 50 37 48 58 112 88 111 94 52 6 17 65 102 48 36 118 56 693 75 95 85 44 7 17 42 63 46 49 83 195 374 186 93 96 44 8 16 34 50 46 43 66 129 191 226 88 85 42 9 16 31 44 45 40 59 125 136 129 79 75 41 10 17 33 41 43 40 53 206 113 100 77 69 40 11 17 58 98 41 38 50 191 102 88 76 67 39 12 16 69 65 40 36 48 123 91 81 86 82 38 13 26 58 e160 40 36 47 96 82 77 101 66 37 14 22 47 125 40 37 45 83 76 71 78 61 37 15 e150 41 77 38 40 44 75 74 71 256 62 39 16 e400 76 63 38 43 73 71 71 68 114 96 37 17 e250 90 55 39 56 57 70 89 68 93 78 35 18 e65 60 50 37 52 64 139 87 71 89 67 34 19 43 50 47 37 49 e85 94 81 107 116 63 34 20 36 44 e230 37 46 e1500 81 72 92 99 59 34 21 32 41 100 38 44 273 79 78 70 87 57 33 22 26 37 74 37 e270 152 75 e600 62 80 86 46 23 23 34 63 37 158 115 67 296 57 85 82 128 24 e23 32 e280 35 89 94 63 165 54 80 62 58 25 e24 31 e200 36 70 83 63 125 51 70 57 49 26 26 29 103 36 64 75 83 105 49 66 53 46 27 24 28 81 35 69 70 65 92 52 64 50 44 28 28 27 71 34 62 65 59 83 64 62 49 45 29 37 27 64 37 --- 63 56 78 52 59 52 41 30 40 27 59 46 --- 76 56 73 52 60 47 41 31 34 --- 56 41 --- 65 --- 70 --- 110 46 --- TOTAL 1526 1250 2775 1306 1654 3784 2686 4683 2519 3631 2326 1351 MEAN 49.2 41.7 89.5 42.1 59.1 122 89.5 151 84.0 117 75.0 45.0 MAX 400 90 280 63 270 1500 206 693 226 718 184 128 MIN 16 25 25 34 35 44 54 53 49 59 46 33 CFSM 1.42 1.20 2.58 1.21 1.70 3.52 2.58 4.35 2.42 3.38 2.16 1.30 IN. 1.64 1.34 2.97 1.40 1.77 4.06 2.88 5.02 2.70 3.89 2.49 1.45 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 2002 - 2003, BY WATER YEAR (WY) MEAN 49.2 41.7 89.5 42.1 59.1 77.8 58.2 89.2 49.4 62.7 40.5 35.6 MAX 49.2 41.7 89.5 42.1 59.1 122 89.5 151 84.0 117 75.0 45.0 (WY) 2003 2003 2003 2003 2003 2003 2003 2003 2003 2003 2003 2003 MIN 49.2 41.7 89.5 42.1 59.1 33.5 26.9 27.3 14.9 8.34 5.97 26.2 (WY) 2003 2003 2003 2003 2003 2002 2002 2002 2002 2002 2002 2002 SUMMARY STATISTICS FOR 2003 WATER YEAR WATER YEARS 2002 - 2003 ANNUAL TOTAL 29491 ANNUAL MEAN 80.8 80.8 HIGHEST ANNUAL MEAN 80.8 2003 LOWEST ANNUAL MEAN 80.8 2003 HIGHEST DAILY MEAN 1500 Mar 20 1500 Mar 20 2003 LOWEST DAILY MEAN 16 Oct 8 2.3 Aug 13 2002 ANNUAL SEVEN-DAY MINIMUM 17 Oct 6 2.5 Aug 8 2002 MAXIMUM PEAK STAGE 10.49 Mar 20 10.49 Mar 20 2003 ANNUAL RUNOFF (CFSM) 2.33 2.33 ANNUAL RUNOFF (INCHES) 31.62 31.64 10 PERCENT EXCEEDS 126 126 50 PERCENT EXCEEDS 59 59 90 PERCENT EXCEEDS 31 31 e Estimated 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02157470 MIDDLE TYGER RIVER NEAR GRAMLING, SC SOURCE AGENCY USGS STATE 45 COUNTY 053 LATITUDE 350220 LONGITUDE 0821307 NAD83 DRAINAGE AREA 34.7* CONTRIBUTING DRAINAGE AREA DATUM 262 NGVD29 Date Processed: 2005-04-11 11:49 By mishealy APPROVED DD #4, 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 41 43 45 45 40 51 51 42 29 62 33 30 2 40 43 42 45 40 53 45 51 28 55 30 36 3 40 43 41 45 88 53 43 47 26 67 49 27 4 41 43 48 45 62 51 41 39 28 77 31 25 5 40 46 58 49 55 49 40 37 28 56 28 23 6 39 59 50 49 520 49 40 36 26 44 27 22 7 40 51 46 44 279 48 40 35 26 38 e25 288 8 42 48 44 44 129 47 40 34 31 34 e24 1240 9 45 45 43 44 99 46 40 33 46 33 e23 217 10 47 43 97 42 84 46 40 34 31 30 e23 115 11 54 43 113 42 75 46 39 32 29 38 e23 84 12 48 43 76 42 81 46 46 31 33 60 e55 67 13 44 43 67 42 75 46 75 31 70 40 44 58 14 45 43 142 41 69 45 60 31 65 33 31 54 15 47 44 100 41 68 45 49 31 161 30 28 50 16 43 45 79 39 67 47 45 32 105 28 e27 49 17 43 45 80 39 62 46 42 35 59 30 e26 440 18 43 46 70 45 59 45 41 34 56 43 e30 169 19 43 213 65 42 58 44 40 33 58 32 e27 98 20 42 129 61 39 57 43 39 31 42 29 e27 74 21 42 78 57 39 58 45 38 31 38 27 e28 63 22 42 63 56 39 55 43 37 30 41 26 33 56 23 41 55 55 39 54 43 37 29 37 25 e28 50 24 41 55 55 39 53 43 37 29 50 24 e27 47 25 41 52 52 42 52 42 36 28 166 24 e27 45 26 43 48 50 44 53 42 38 28 159 24 e26 43 27 63 45 49 42 56 42 40 28 77 35 e25 154 28 51 53 48 41 55 42 37 27 59 77 e24 1130 29 47 52 48 41 52 41 35 26 51 42 e24 161 30 44 47 49 42 --- 44 35 26 47 43 e22 104 31 43 --- 47 42 --- 61 --- 33 --- 53 22 --- TOTAL 1365 1706 1933 1314 2555 1434 1266 1024 1702 1259 897 5019 MEAN 44.0 56.9 62.4 42.4 88.1 46.3 42.2 33.0 56.7 40.6 28.9 167 MAX 63 213 142 49 520 61 75 51 166 77 55 1240 MIN 39 43 41 39 40 41 35 26 26 24 22 22 CFSM 1.27 1.64 1.80 1.22 2.54 1.33 1.22 0.95 1.63 1.17 0.83 4.82 IN. 1.46 1.83 2.07 1.41 2.74 1.54 1.36 1.10 1.82 1.35 0.96 5.38 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 2002 - 2004, BY WATER YEAR (WY) MEAN 46.6 49.3 75.9 42.3 73.8 67.3 52.9 70.5 51.9 55.4 36.6 79.5 MAX 49.2 56.9 89.5 42.4 88.1 122 89.5 151 84.0 117 75.0 167 (WY) 2003 2004 2003 2004 2004 2003 2003 2003 2003 2003 2003 2004 MIN 44.0 41.7 62.4 42.1 59.1 33.5 26.9 27.3 14.9 8.34 5.97 26.2 (WY) 2004 2003 2004 2003 2003 2002 2002 2002 2002 2002 2002 2002 SUMMARY STATISTICS FOR 2003 CALENDAR YEAR FOR 2004 WATER YEAR WATER YEARS 2002 - 2004 ANNUAL TOTAL 28944 21474 ANNUAL MEAN 79.3 58.7 69.7 HIGHEST ANNUAL MEAN 80.8 2003 LOWEST ANNUAL MEAN 58.7 2004 HIGHEST DAILY MEAN 1500 Mar 20 1240 Sep 8 1500 Mar 20 2003 LOWEST DAILY MEAN 33 Sep 21 22 Aug 30 2.3 Aug 13 2002 ANNUAL SEVEN-DAY MINIMUM 35 Sep 15 24 Aug 25 2.5 Aug 8 2002 MAXIMUM PEAK FLOW 2370 Sep 28 2370 Sep 28 2004 MAXIMUM PEAK STAGE 10.43 Sep 28 10.49 Mar 20 2003 ANNUAL RUNOFF (CFSM) 2.29 1.69 2.01 ANNUAL RUNOFF (INCHES) 31.03 23.02 27.30 10 PERCENT EXCEEDS 116 75 104 50 PERCENT EXCEEDS 57 43 47 90 PERCENT EXCEEDS 40 28 28 e Estimated