1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02176500 COOSAWHATCHIE RIVER NEAR HAMPTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 049 LATITUDE 325010 LONGITUDE 0810755 NAD27 DRAINAGE AREA 203.00* CONTRIBUTING DRAINAGE AREA DATUM 50.30 NGVD29 Date Processed: 2005-04-11 11:59 By mishealy APPROVED DD #16, ,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 --- --- --- --- --- 101 1100 68 2.1 2.6 89 0.00 2 --- --- --- --- --- 96 735 59 1.6 1.9 50 0.20 3 --- --- --- --- --- 96 610 46 1.5 65 98 0.50 4 --- --- --- --- --- 92 534 38 2.3 140 84 0.30 5 --- --- --- --- --- 96 466 34 2.7 116 75 0.80 6 --- --- --- --- --- 103 404 27 7.0 66 48 2.1 7 --- --- --- --- --- 114 348 23 12 28 23 9.9 8 --- --- --- --- --- 132 337 20 25 12 10 16 9 --- --- --- --- --- 140 364 15 28 4.4 7.4 17 10 --- --- --- --- --- 134 343 11 32 2.4 4.6 6.6 11 --- --- --- --- --- 129 307 9.1 39 1.6 2.8 2.2 12 --- --- --- --- --- 134 260 6.9 29 1.2 2.7 1.4 13 --- --- --- --- 154 192 206 5.6 22 0.80 2.5 1.0 14 --- --- --- --- 148 265 192 4.3 16 0.40 6.2 1.0 15 --- --- --- --- 137 273 169 4.0 13 0.20 5.6 1.9 16 --- --- --- --- 134 220 148 3.3 11 2.4 4.2 1.8 17 --- --- --- --- 129 182 148 2.7 16 40 3.6 4.3 18 --- --- --- --- 129 148 148 2.2 36 150 2.5 20 19 --- --- --- --- 124 163 154 2.2 54 91 2.0 29 20 --- --- --- --- 126 195 209 2.1 51 48 1.5 25 21 --- --- --- --- 124 239 220 2.0 35 18 1.2 16 22 --- --- --- --- 126 256 248 1.9 32 14 1.0 11 23 --- --- --- --- 124 231 239 1.8 62 13 2.3 90 24 --- --- --- --- 124 206 217 1.6 45 7.5 1.6 122 25 --- --- --- --- 119 166 209 1.2 61 2.8 0.90 116 26 --- --- --- --- 109 143 189 1.4 72 10 0.60 79 27 --- --- --- --- 105 126 160 2.8 56 30 0.40 49 28 --- --- --- --- 103 107 137 4.0 27 51 0.10 30 29 --- --- --- --- --- 117 112 5.6 12 83 0.10 20 30 --- --- --- --- --- 458 86 5.0 6.0 109 0.10 10 31 --- --- --- --- --- 931 --- 3.1 --- 129 0.00 --- TOTAL --- --- --- --- --- 5985 8999 413.8 809.2 1241.20 530.90 684.00 MEAN --- --- --- --- --- 193 300 13.3 27.0 40.0 17.1 22.8 MAX --- --- --- --- 931 1100 68 72 150 98 122 MIN --- --- --- --- 92 86 1.2 1.5 0.20 0.00 0.00 CFSM --- --- --- --- --- 0.95 1.48 0.07 0.13 0.20 0.08 0.11 IN. --- --- --- --- --- 1.10 1.65 0.08 0.15 0.23 0.10 0.13 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02176500 COOSAWHATCHIE RIVER NEAR HAMPTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 049 LATITUDE 325010 LONGITUDE 0810755 NAD27 DRAINAGE AREA 203.00* CONTRIBUTING DRAINAGE AREA DATUM 50.30 NGVD29 Date Processed: 2005-04-11 11:59 By mishealy APPROVED DD #16, ,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 4.8 14 27 101 160 498 343 231 375 76 0.80 114 2 4.0 17 27 96 132 466 404 182 292 87 8.3 107 3 2.7 36 29 90 213 433 433 140 227 50 9.1 69 4 2.0 161 36 86 307 466 404 112 166 26 6.7 37 5 1.6 209 48 83 337 610 359 88 195 12 7.8 18 6 1.4 185 62 83 287 649 307 79 302 5.3 3.6 7.8 7 1.2 143 70 68 252 570 260 67 256 4.0 8.2 3.7 8 1.0 101 75 72 202 498 231 49 202 5.4 22 2.2 9 0.80 81 72 75 166 404 209 34 169 14 48 1.8 10 1.0 62 65 68 148 348 189 28 160 20 44 1.5 11 1.0 51 57 65 134 353 169 66 169 20 38 1.4 12 0.80 42 57 62 119 404 157 192 114 14 27 1.6 13 0.60 38 50 62 109 404 160 256 74 10 11 1.9 14 0.50 38 49 59 185 404 173 256 50 9.5 4.6 3.8 15 0.40 38 50 57 1040 348 179 176 39 7.6 2.3 5.3 16 0.30 45 53 57 1560 321 169 83 31 4.7 1.8 4.7 17 0.30 53 59 57 1220 283 140 64 29 2.6 1.5 3.3 18 0.20 57 60 59 931 256 122 48 29 2.5 1.0 2.6 19 0.10 50 75 59 692 256 107 59 22 2.3 0.80 1.8 20 0.10 48 103 56 570 273 94 156 15 3.0 0.60 1.7 21 0.20 48 148 56 466 273 77 269 15 3.1 0.60 9.8 22 1.4 48 206 58 433 260 68 343 26 2.2 0.40 200 23 2.7 38 227 101 375 244 56 272 27 1.4 0.20 487 24 6.4 36 220 126 348 331 65 170 23 0.90 76 570 25 8.3 34 185 157 332 570 248 233 9.8 0.60 231 410 26 9.5 31 148 151 359 735 498 217 4.5 1.3 138 210 27 9.1 30 137 122 433 735 534 239 2.8 1.2 51 146 28 9.5 29 132 109 610 610 404 231 2.4 0.80 17 79 29 12 29 126 157 570 498 332 182 70 0.40 5.4 58 30 13 28 116 189 --- 433 283 254 59 0.10 3.2 45 31 12 --- 107 195 --- 375 --- 316 --- 0.20 118 --- TOTAL 108.90 1820 2876 2836 12690 13308 7174 5092 3155.5 388.10 887.90 2604.9 MEAN 3.51 60.7 92.8 91.5 438 429 239 164 105 12.5 28.6 86.8 MAX 13 209 227 195 1560 735 534 343 375 87 231 570 MIN 0.10 14 27 56 109 244 56 28 2.4 0.10 0.20 1.4 CFSM 0.02 0.30 0.46 0.45 2.16 2.11 1.18 0.81 0.52 0.06 0.14 0.43 IN. 0.02 0.33 0.53 0.52 2.33 2.44 1.31 0.93 0.58 0.07 0.16 0.48 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02176500 COOSAWHATCHIE RIVER NEAR HAMPTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 049 LATITUDE 325010 LONGITUDE 0810755 NAD27 DRAINAGE AREA 203.00* CONTRIBUTING DRAINAGE AREA DATUM 50.30 NGVD29 Date Processed: 2005-04-11 11:59 By mishealy APPROVED DD #16, ,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 37 9.5 35 154 132 649 404 64 0.90 53 4.8 42 2 29 14 31 157 134 534 375 117 0.80 37 2.2 41 3 22 13 35 166 163 534 337 213 0.60 25 1.3 38 4 18 12 41 169 195 534 311 321 0.30 16 1.1 48 5 14 12 45 169 195 803 287 466 0.10 8.0 13 70 6 12 11 51 146 176 829 273 404 0.10 8.3 20 96 7 9.5 11 53 126 212 735 273 307 0.10 8.7 20 122 8 9.9 11 54 116 364 649 283 287 0.50 8.3 17 82 9 107 12 50 109 404 498 278 343 0.90 7.9 37 39 10 185 17 45 116 364 404 278 404 1.3 4.2 75 42 11 189 39 44 124 283 466 321 337 1.5 2.6 56 34 12 176 84 45 129 239 711 359 210 1.4 2.0 33 19 13 154 101 42 129 202 829 370 143 1.6 1.6 18 11 14 112 107 41 107 182 735 337 105 7.3 1.1 17 4.6 15 64 107 41 98 206 692 292 70 44 0.80 17 3.8 16 56 84 40 105 239 570 244 50 90 0.50 11 3.0 17 46 86 39 124 256 498 220 45 77 0.40 6.7 2.5 18 44 70 35 143 252 433 182 41 44 0.20 7.9 2.2 19 42 59 35 146 235 375 169 35 30 0.20 18 2.2 20 39 53 36 151 220 353 173 24 22 29 88 4.3 21 30 64 95 179 209 412 179 20 5.4 56 129 5.0 22 25 81 119 202 256 631 169 19 2.8 51 132 7.2 23 20 86 134 224 332 1390 134 16 2.2 44 109 8.0 24 17 84 134 256 364 2550 116 14 2.9 36 59 7.6 25 14 70 146 283 433 2050 107 8.0 6.1 21 26 9.6 26 14 56 173 265 649 1360 101 4.8 11 12 15 50 27 12 46 189 231 782 1040 103 3.3 27 17 11 394 28 9.9 42 182 202 782 782 92 2.2 50 14 9.1 735 29 9.1 40 169 169 --- 610 81 1.8 67 19 16 735 30 9.1 38 160 148 --- 534 68 1.4 67 19 35 534 31 8.7 --- 154 129 --- 466 --- 1.2 --- 10 39 --- TOTAL 1534.2 1519.5 2493 4972 8460 23656 6916 4077.7 565.80 513.80 1044.1 3192.0 MEAN 49.5 50.6 80.4 160 302 763 231 132 18.9 16.6 33.7 106 MAX 189 107 189 283 782 2550 404 466 90 56 132 735 MIN 8.7 9.5 31 98 132 353 68 1.2 0.10 0.20 1.1 2.2 CFSM 0.24 0.25 0.40 0.79 1.49 3.76 1.14 0.65 0.09 0.08 0.17 0.52 IN. 0.28 0.28 0.46 0.91 1.55 4.33 1.27 0.75 0.10 0.09 0.19 0.58 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02176500 COOSAWHATCHIE RIVER NEAR HAMPTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 049 LATITUDE 325010 LONGITUDE 0810755 NAD27 DRAINAGE AREA 203.00* CONTRIBUTING DRAINAGE AREA DATUM 50.30 NGVD29 Date Processed: 2005-04-11 11:59 By mishealy APPROVED DD #16, ,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 1 466 20 40 466 173 185 173 433 239 0.00 0.00 0.00 2 404 18 38 404 169 224 129 466 220 0.00 0.00 0.00 3 337 16 39 353 137 244 94 433 185 0.00 0.00 0.00 4 302 14 74 311 126 231 79 216 166 0.00 0.00 0.00 5 231 14 151 297 126 220 65 202 157 0.00 0.00 0.00 6 182 17 248 287 129 160 59 195 148 0.00 0.00 0.00 7 126 23 235 269 129 134 53 199 132 0.00 0.00 0.00 8 109 29 213 248 126 119 41 378 87 0.00 0.00 0.00 9 92 32 189 231 126 105 47 97 46 0.00 0.00 0.00 10 70 34 154 252 124 101 208 45 27 0.00 0.00 0.00 11 53 35 157 252 119 98 278 42 21 0.00 0.00 0.00 12 48 34 176 244 114 92 206 78 17 0.00 0.00 0.00 13 46 31 182 244 107 90 169 247 14 0.00 0.20 0.00 14 46 30 238 244 101 90 148 752 10 0.00 0.20 0.00 15 46 30 466 244 98 98 137 1900 4.9 0.00 0.20 0.00 16 46 28 466 244 94 96 132 1920 2.8 0.00 0.20 0.00 17 46 26 433 239 92 92 124 846 2.3 0.00 0.00 0.00 18 42 25 404 199 90 92 126 692 1.9 0.00 0.00 0.00 19 40 26 348 185 88 96 107 649 1.6 0.70 0.00 0.00 20 37 29 244 185 88 105 96 534 1.4 0.60 0.00 0.00 21 30 34 202 189 98 114 96 433 1.1 0.50 0.00 0.00 22 29 42 192 213 114 114 112 239 0.80 0.10 0.10 0.00 23 28 53 189 217 112 107 132 189 0.80 0.00 0.10 0.00 24 26 56 213 217 109 90 137 157 0.70 0.00 0.00 0.00 25 23 56 269 217 109 83 129 132 0.60 0.00 0.00 0.00 26 21 56 375 220 109 81 109 109 0.40 0.00 0.00 0.00 27 20 57 433 220 107 94 88 92 0.40 0.00 0.00 0.00 28 21 56 433 209 189 150 56 81 0.20 0.00 0.00 0.00 29 22 54 433 202 --- 239 54 136 0.00 0.00 0.00 0.00 30 22 44 433 189 --- 287 290 179 0.00 0.00 0.00 0.00 31 21 --- 466 176 --- 227 --- 252 --- 0.00 0.00 --- TOTAL 3032 1019 8133 7667 3303 4258 3674 12323 1488.90 1.90 1.00 0.00 MEAN 97.8 34.0 262 247 118 137 122 398 49.6 0.06 0.03 0.00 MAX 466 57 466 466 189 287 290 1920 239 0.70 0.20 0.00 MIN 20 14 38 176 88 81 41 42 0.00 0.00 0.00 0.00 CFSM 0.48 0.17 1.29 1.22 0.58 0.68 0.60 1.96 0.24 0.00 0.00 0.00 IN. 0.56 0.19 1.49 1.40 0.61 0.78 0.67 2.26 0.27 0.00 0.00 0.00 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02176500 COOSAWHATCHIE RIVER NEAR HAMPTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 049 LATITUDE 325010 LONGITUDE 0810755 NAD27 DRAINAGE AREA 203.00* CONTRIBUTING DRAINAGE AREA DATUM 50.30 NGVD29 Date Processed: 2005-04-11 11:59 By mishealy APPROVED DD #16, ,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 0.00 0.00 2.7 12 44 41 21 32 32 334 176 34 2 0.00 0.00 3.1 14 41 40 22 27 22 206 124 40 3 0.00 0.00 3.8 15 39 40 28 22 12 127 84 105 4 0.00 0.00 4.0 16 39 39 34 19 6.7 81 51 436 5 0.00 0.00 4.5 20 41 38 37 15 3.6 57 34 452 6 0.00 0.00 8.2 25 50 37 40 12 2.3 48 23 381 7 0.00 0.00 6.1 28 103 35 49 9.1 1.8 39 18 708 8 0.00 0.00 6.4 25 132 33 57 6.4 1.6 34 20 754 9 0.00 0.00 8.2 22 179 32 75 4.3 1.1 35 11 498 10 0.00 0.00 11 20 199 30 83 3.3 1.8 34 4.6 387 11 0.00 0.00 14 22 163 29 107 2.6 53 60 2.4 292 12 0.00 0.00 15 22 114 29 192 2.0 129 145 1.6 199 13 0.00 0.00 22 22 90 29 266 1.8 151 224 1.4 157 14 0.00 0.00 26 23 74 29 886 1.6 122 206 1.6 195 15 0.00 0.00 25 24 65 28 1340 2.4 72 151 1.8 287 16 0.00 0.00 25 27 60 27 909 6.8 40 126 3.0 353 17 0.00 0.20 29 28 56 26 577 42 29 112 4.8 316 18 0.00 0.40 38 31 54 25 389 112 40 82 5.3 235 19 0.00 0.50 39 51 53 25 278 106 106 47 3.9 176 20 0.00 0.60 31 56 51 29 213 56 336 39 2.2 143 21 0.00 0.70 25 65 49 35 169 36 359 97 5.2 122 22 0.00 0.90 22 70 48 42 143 48 311 202 6.3 107 23 0.00 1.4 20 72 46 46 119 67 326 209 1.9 94 24 0.00 1.5 17 92 48 49 101 86 265 185 1.9 90 25 0.00 1.6 16 92 46 42 86 116 174 148 28 81 26 0.00 1.8 14 101 45 37 74 103 109 116 194 67 27 0.00 1.8 14 105 42 31 64 83 88 75 359 72 28 0.00 3.0 13 96 42 28 51 101 125 53 266 90 29 0.00 3.1 13 75 --- 25 44 92 256 93 173 98 30 0.00 2.7 12 59 --- 22 37 77 359 171 99 101 31 0.00 --- 12 50 --- 21 --- 46 --- 217 50 --- TOTAL 0.00 20.20 500.0 1380 2013 1019 6491 1338.3 3534.9 3753 1757.9 7070 MEAN 0.00 0.67 16.1 44.5 71.9 32.9 216 43.2 118 121 56.7 236 MAX 0.00 3.1 39 105 199 49 1340 116 359 334 359 754 MIN 0.00 0.00 2.7 12 39 21 21 1.6 1.1 34 1.4 34 CFSM 0.00 0.00 0.08 0.22 0.35 0.16 1.07 0.21 0.58 0.60 0.28 1.16 IN. 0.00 0.00 0.09 0.25 0.37 0.19 1.19 0.25 0.65 0.69 0.32 1.30 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02176500 COOSAWHATCHIE RIVER NEAR HAMPTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 049 LATITUDE 325010 LONGITUDE 0810755 NAD27 DRAINAGE AREA 203.00* CONTRIBUTING DRAINAGE AREA DATUM 50.30 NGVD29 Date Processed: 2005-04-11 11:59 By mishealy APPROVED DD #16, ,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 86 45 64 70 81 235 278 70 14 9.9 14 1.0 2 118 44 54 68 81 213 248 81 17 12 15 0.80 3 192 38 50 67 86 213 206 169 17 8.7 11 1.1 4 235 32 46 68 98 252 169 517 40 8.7 6.7 2.0 5 265 29 54 67 145 273 151 744 72 9.1 4.2 2.8 6 195 27 89 65 901 256 132 735 48 11 2.4 3.5 7 143 26 264 64 1280 220 116 617 37 12 1.6 14 8 109 26 364 62 832 195 103 548 30 12 1.2 28 9 88 26 302 59 594 169 88 446 22 20 0.70 29 10 72 29 252 57 459 151 83 353 14 11 0.40 29 11 60 33 220 56 381 143 248 269 13 5.6 0.20 24 12 53 36 199 56 326 143 548 213 12 3.1 0.00 13 13 46 38 176 54 287 151 548 169 9.5 2.0 0.00 6.7 14 41 39 151 48 252 166 440 134 9.1 1.7 0.00 3.6 15 37 38 137 45 227 265 326 112 54 2.1 0.00 2.3 16 33 36 132 48 220 610 283 90 80 2.6 0.00 1.8 17 32 34 122 50 239 735 311 74 42 4.8 0.00 1.4 18 29 31 116 56 260 666 307 56 30 11 0.00 1.3 19 28 29 112 68 256 534 283 40 26 6.8 0.00 1.4 20 27 29 107 77 235 416 231 29 28 4.1 0.00 1.8 21 24 29 98 79 220 337 182 25 21 3.9 0.00 3.8 22 23 28 96 81 213 273 143 20 16 5.8 0.00 3.8 23 20 28 92 96 199 235 119 17 12 9.5 0.00 2.2 24 20 28 88 122 182 213 103 13 8.3 17 0.00 6.6 25 17 33 86 151 160 192 88 11 5.3 26 0.00 70 26 16 45 83 160 154 176 83 24 4.3 27 0.00 70 27 14 60 81 140 151 163 75 25 4.8 13 0.00 55 28 14 77 79 119 185 154 72 16 14 8.1 0.00 44 29 20 84 77 101 224 143 67 16 19 5.6 0.00 34 30 32 77 74 92 --- 185 70 18 12 5.0 0.00 26 31 42 --- 72 86 --- 244 --- 15 --- 9.5 0.80 --- TOTAL 2131 1154 3937 2432 8928 8321 6101 5666 731.3 288.6 58.20 483.90 MEAN 68.7 38.5 127 78.5 308 268 203 183 24.4 9.31 1.88 16.1 MAX 265 84 364 160 1280 735 548 744 80 27 15 70 MIN 14 26 46 45 81 143 67 11 4.3 1.7 0.00 0.80 CFSM 0.34 0.19 0.63 0.39 1.52 1.32 1.00 0.90 0.12 0.05 0.01 0.08 IN. 0.39 0.21 0.72 0.45 1.64 1.52 1.12 1.04 0.13 0.05 0.01 0.09 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02176500 COOSAWHATCHIE RIVER NEAR HAMPTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 049 LATITUDE 325010 LONGITUDE 0810755 NAD27 DRAINAGE AREA 203.00* CONTRIBUTING DRAINAGE AREA DATUM 50.30 NGVD29 Date Processed: 2005-04-11 11:59 By mishealy APPROVED DD #16, ,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 17 9.9 8.0 26 22 35 57 3.5 482 122 117 0.60 2 11 9.9 9.9 23 24 29 57 6.4 321 84 72 0.40 3 7.2 9.5 11 21 28 26 57 34 231 59 53 0.20 4 5.6 8.7 12 19 32 29 54 116 206 49 59 0.10 5 4.8 7.2 12 19 34 48 65 307 220 49 79 0.00 6 12 6.7 12 19 35 65 107 326 189 35 55 0.00 7 25 5.6 11 19 33 77 157 256 154 25 54 0.30 8 28 6.9 9.9 20 29 79 173 170 116 21 53 2.6 9 24 6.9 10 19 26 65 143 92 236 16 29 12 10 17 6.7 9.5 19 25 54 90 56 417 10 15 24 11 12 6.4 9.1 17 38 40 62 101 416 5.8 8.3 29 12 9.0 6.1 9.1 16 46 33 64 243 332 3.1 4.4 26 13 6.0 5.8 9.1 15 53 32 67 353 235 2.2 2.3 22 14 4.0 5.6 9.5 15 50 32 68 248 307 2.0 1.7 15 15 2.6 5.0 9.9 15 33 51 60 152 305 33 1.6 8.0 16 4.3 4.8 12 16 26 65 50 86 174 88 1.2 4.5 17 5.0 4.5 12 20 23 68 40 72 116 80 0.80 6.2 18 8.0 4.3 14 23 20 65 36 92 68 200 1.0 16 19 8.0 4.2 16 25 21 53 42 90 41 431 10 27 20 9.0 4.0 14 24 21 40 48 84 148 274 44 38 21 11 4.2 15 22 21 35 48 57 512 160 54 32 22 14 4.0 16 21 21 38 39 39 230 91 40 37 23 22 3.8 17 22 20 41 29 26 110 44 25 29 24 25 3.8 33 24 17 64 22 24 56 36 14 25 25 28 3.8 41 25 20 170 16 32 38 124 6.7 28 26 28 4.3 56 25 25 273 12 42 44 148 3.5 18 27 22 4.8 60 24 33 297 9.5 131 75 119 2.3 11 28 16 5.0 57 22 38 256 6.7 202 162 261 1.8 12 29 12 5.8 45 22 --- 160 5.0 148 217 472 1.4 31 30 11 7.6 35 22 --- 101 4.0 267 189 327 1.1 70 31 10 --- 29 22 --- 70 --- 573 --- 201 0.90 --- TOTAL 418.5 175.8 624.0 641 814 2491 1688.2 4428.9 6347 3572.1 812.00 524.90 MEAN 13.5 5.86 20.1 20.7 29.1 80.4 56.3 143 212 115 26.2 17.5 MAX 28 9.9 60 26 53 297 173 573 512 472 117 70 MIN 2.6 3.8 8.0 15 17 26 4.0 3.5 38 2.0 0.80 0.00 CFSM 0.07 0.03 0.10 0.10 0.14 0.40 0.28 0.70 1.04 0.57 0.13 0.09 IN. 0.08 0.03 0.11 0.12 0.15 0.46 0.31 0.81 1.16 0.65 0.15 0.10 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02176500 COOSAWHATCHIE RIVER NEAR HAMPTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 049 LATITUDE 325010 LONGITUDE 0810755 NAD27 DRAINAGE AREA 203.00* CONTRIBUTING DRAINAGE AREA DATUM 50.30 NGVD29 Date Processed: 2005-04-11 11:59 By mishealy APPROVED DD #16, ,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 70 25 718 185 220 785 938 423 13 24 21 4.3 2 65 25 458 173 209 660 708 392 11 10 12 2.4 3 121 25 332 160 199 510 598 304 27 6.7 9.9 1.8 4 286 23 283 151 185 410 510 230 38 35 17 1.4 5 459 22 239 134 182 349 496 182 39 106 39 1.2 6 343 20 209 126 173 304 531 164 29 178 34 1.0 7 244 20 185 169 173 304 644 164 23 311 20 0.80 8 195 19 179 297 179 464 605 164 41 677 13 0.60 9 143 18 209 364 202 652 496 149 31 401 8.9 0.40 10 105 18 273 326 192 692 468 116 19 260 3.7 0.20 11 81 19 316 287 179 620 503 98 9.0 294 2.4 0.10 12 60 19 287 248 166 531 482 119 4.2 214 1.8 0.10 13 48 20 248 224 163 462 423 171 2.3 182 1.7 0.10 14 38 27 220 235 157 442 367 186 2.6 320 1.4 0.10 15 32 37 199 256 166 430 483 140 3.6 349 1.2 0.50 16 27 62 182 248 182 398 1270 94 3.1 332 1.4 1.7 17 28 90 173 220 199 355 1350 68 3.3 219 1.4 7.9 18 31 124 163 199 189 321 1080 53 3.6 148 1.2 12 19 36 146 157 179 173 310 803 42 4.6 105 1.2 7.8 20 40 124 151 163 163 304 628 55 6.7 79 1.2 3.3 21 38 119 148 166 151 293 510 96 5.8 62 1.1 2.4 22 35 107 146 192 146 278 442 155 4.2 70 0.90 3.6 23 32 101 143 220 137 248 410 125 24 63 0.60 3.5 24 29 114 137 239 134 226 380 76 58 44 0.40 2.6 25 29 137 134 332 129 239 327 57 70 41 0.70 1.9 26 28 146 137 398 201 299 278 56 39 45 4.1 2.1 27 32 151 134 392 541 332 239 62 54 37 17 2.7 28 31 148 140 348 821 321 209 54 166 30 28 0.90 29 29 194 160 302 --- 299 222 40 154 65 23 0.50 30 27 468 176 265 --- 288 293 28 78 65 14 0.20 31 26 --- 185 239 --- 739 --- 19 --- 38 7.6 --- TOTAL 2788 2568 6821 7437 5911 12865 16693 4082 967.0 4810.7 290.80 68.10 MEAN 89.9 85.6 220 240 211 415 556 132 32.2 155 9.38 2.27 MAX 459 468 718 398 821 785 1350 423 166 677 39 12 MIN 26 18 134 126 129 226 209 19 2.3 6.7 0.40 0.10 CFSM 0.44 0.42 1.08 1.18 1.04 2.04 2.74 0.65 0.16 0.76 0.05 0.01 IN. 0.51 0.47 1.25 1.36 1.08 2.36 3.06 0.75 0.18 0.88 0.05 0.01 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02176500 COOSAWHATCHIE RIVER NEAR HAMPTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 049 LATITUDE 325010 LONGITUDE 0810755 NAD27 DRAINAGE AREA 203.00* CONTRIBUTING DRAINAGE AREA DATUM 50.30 NGVD29 Date Processed: 2005-04-11 11:59 By mishealy APPROVED DD #16, ,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 0.20 1.3 11 77 137 387 541 42 304 2.7 249 282 2 9.7 1.4 9.9 77 163 359 594 36 387 2.4 321 154 3 16 1.4 11 107 198 326 610 29 343 12 256 82 4 24 1.4 12 124 436 307 485 22 297 276 173 49 5 39 1.7 12 134 1280 370 410 18 235 239 116 39 6 41 2.0 11 98 1120 2160 343 14 189 182 81 39 7 36 2.2 10 68 722 2650 292 12 154 112 68 42 8 22 2.4 9.9 56 520 1770 256 11 124 69 57 48 9 14 2.7 9.5 67 446 1160 227 9.5 96 49 54 60 10 9.1 2.7 8.7 79 421 839 209 9.1 70 40 44 79 11 5.6 2.6 18 84 410 658 199 8.0 53 29 31 79 12 3.3 2.5 25 65 364 578 278 6.4 41 25 23 52 13 2.2 2.4 33 53 353 534 381 12 31 40 16 37 14 1.8 2.6 38 45 522 485 326 20 24 56 12 30 15 1.4 2.6 41 40 666 472 265 34 16 96 12 82 16 1.1 2.6 40 48 594 485 227 35 12 170 14 167 17 0.90 2.7 35 57 505 512 192 22 8.3 307 16 244 18 0.80 3.1 31 65 427 472 163 12 7.6 302 14 244 19 1.3 3.5 27 60 359 410 146 7.2 8.3 235 12 168 20 1.4 3.6 23 53 307 387 146 20 7.6 252 9.1 107 21 1.8 4.0 20 48 265 446 151 62 5.8 224 8.7 72 22 2.3 4.2 19 60 235 599 146 134 8.4 248 19 50 23 2.5 4.8 17 79 213 810 137 148 24 217 19 36 24 2.5 11 19 92 199 735 129 148 60 202 11 30 25 2.4 12 19 98 195 602 114 226 112 169 6.4 29 26 2.1 15 20 88 269 505 96 814 83 124 4.0 22 27 1.7 17 22 72 381 440 79 849 39 146 2.8 16 28 1.4 17 44 62 404 392 65 587 19 111 2.5 14 29 1.3 14 64 64 --- 370 57 396 9.5 74 4.0 60 30 1.2 12 86 68 --- 427 50 278 4.8 77 72 469 31 1.2 --- 79 97 --- 556 --- 206 --- 125 222 --- TOTAL 251.20 158.4 825.0 2285 12111 21203 7314 4227.2 2773.3 4213.1 1949.5 2882 MEAN 8.10 5.28 26.6 73.7 433 684 244 136 92.4 136 62.9 96.1 MAX 41 17 86 134 1280 2650 610 849 387 307 321 469 MIN 0.20 1.3 8.7 40 137 307 50 6.4 4.8 2.4 2.5 14 CFSM 0.04 0.03 0.13 0.36 2.13 3.37 1.20 0.67 0.46 0.67 0.31 0.47 IN. 0.05 0.03 0.15 0.42 2.22 3.89 1.34 0.77 0.51 0.77 0.36 0.53 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02176500 COOSAWHATCHIE RIVER NEAR HAMPTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 049 LATITUDE 325010 LONGITUDE 0810755 NAD27 DRAINAGE AREA 203.00* CONTRIBUTING DRAINAGE AREA DATUM 50.30 NGVD29 Date Processed: 2005-04-11 11:59 By mishealy APPROVED DD #16, ,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 1 996 1550 189 359 1800 625 556 94 14 21 265 2.2 2 996 1120 179 343 1320 594 617 94 9.9 15 195 2.8 3 695 849 169 353 986 1180 1220 96 19 9.9 191 8.4 4 478 666 160 387 820 1760 1380 90 45 7.7 120 19 5 364 548 157 404 1210 1460 1730 79 153 13 72 19 6 283 478 154 416 1880 1100 1950 64 185 13 40 7.9 7 235 440 151 466 1590 880 1430 54 206 29 26 4.0 8 202 420 146 594 1190 754 1010 71 133 268 16 2.5 9 189 400 146 617 921 666 735 116 60 332 9.7 2.1 10 185 380 143 556 773 617 594 140 31 388 6.1 2.1 11 200 340 140 485 726 602 498 109 19 202 6.1 44 12 220 326 148 427 773 617 440 90 11 132 6.9 142 13 227 307 169 398 1030 641 392 83 7.6 92 9.2 206 14 209 292 202 398 1980 633 359 67 5.0 64 15 139 15 244 287 231 381 1800 602 326 50 3.5 56 9.9 74 16 359 269 231 375 1330 658 302 40 2.6 93 5.5 39 17 586 256 217 381 1020 782 278 33 4.9 103 3.1 27 18 578 239 424 387 860 953 256 25 13 69 2.2 25 19 485 227 1360 398 744 849 244 21 36 48 1.8 21 20 404 217 1630 392 666 726 231 18 55 35 1.4 16 21 381 206 1190 375 610 625 209 16 35 27 1.2 12 22 534 199 870 343 586 548 192 14 93 20 1.0 8.0 23 754 192 709 297 692 492 176 11 187 14 2.0 5.3 24 801 192 602 273 763 446 157 8.0 227 15 6.5 3.6 25 675 199 534 252 801 416 134 8.0 133 46 16 2.6 26 548 209 485 239 953 392 119 14 84 57 16 2.0 27 459 209 446 231 986 375 107 58 68 39 12 1.8 28 387 213 421 231 849 359 109 109 57 42 8.2 2.4 29 520 206 416 269 718 353 109 96 44 167 6.7 17 30 1410 199 398 720 --- 392 103 49 31 350 5.6 51 31 1820 --- 381 1990 --- 492 --- 27 --- 337 3.5 --- TOTAL 16424 11635 12798 13737 30377 21589 15963 1844.0 1972.5 3104.6 1080.6 908.7 MEAN 530 388 413 443 1047 696 532 59.5 65.8 100 34.9 30.3 MAX 1820 1550 1630 1990 1980 1760 1950 140 227 388 265 206 MIN 185 192 140 231 586 353 103 8.0 2.6 7.7 1.0 1.8 CFSM 2.61 1.91 2.03 2.18 5.16 3.43 2.62 0.29 0.32 0.49 0.17 0.15 IN. 3.01 2.13 2.35 2.52 5.57 3.96 2.93 0.34 0.36 0.57 0.20 0.17 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02176500 COOSAWHATCHIE RIVER NEAR HAMPTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 049 LATITUDE 325010 LONGITUDE 0810755 NAD27 DRAINAGE AREA 203.00* CONTRIBUTING DRAINAGE AREA DATUM 50.30 NGVD29 Date Processed: 2005-04-11 11:59 By mishealy APPROVED DD #16, ,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 49 4.6 15 57 80 243 243 293 132 188 14 485 2 32 5.3 14 68 68 243 316 259 102 130 35 366 3 20 5.5 14 72 65 263 306 243 75 72 95 504 4 13 4.9 13 61 75 255 263 228 52 68 76 395 5 9.9 4.3 13 52 65 224 214 207 35 192 233 330 6 8.0 3.4 13 41 55 197 185 179 24 108 398 446 7 13 3.0 13 35 100 176 164 152 19 148 455 544 8 21 2.8 13 29 173 149 152 128 18 149 365 585 9 25 2.8 13 25 190 138 177 108 14 152 316 599 10 24 3.2 13 24 160 132 523 148 12 143 275 550 11 18 4.0 13 22 120 122 665 510 14 100 263 455 12 13 4.6 15 21 100 112 796 905 77 92 204 437 13 8.7 5.1 19 23 90 102 1400 826 138 97 152 370 14 6.4 5.9 23 67 85 100 1250 727 143 98 161 330 15 5.3 6.0 26 115 78 98 986 571 98 105 400 281 16 4.8 6.2 38 140 72 88 1270 431 80 121 282 232 17 4.5 6.2 46 149 65 80 1460 330 70 214 178 228 18 4.2 8.6 48 122 61 75 1080 259 63 173 118 194 19 3.6 11 40 95 80 80 800 214 50 149 105 170 20 5.3 15 38 80 129 98 620 176 34 210 221 155 21 6.9 14 38 70 191 189 504 146 27 235 330 146 22 8.4 12 42 60 232 323 425 120 25 311 340 128 23 8.2 11 48 60 271 360 370 223 26 293 285 102 24 7.0 12 48 60 311 311 325 381 36 263 340 78 25 5.7 13 44 55 340 247 284 420 38 179 544 57 26 4.8 14 36 63 340 197 255 330 46 130 606 46 27 4.0 15 30 88 306 167 247 284 72 85 711 36 28 3.7 17 26 105 275 146 275 284 173 54 620 28 29 3.5 18 25 118 --- 128 325 271 298 34 479 24 30 3.4 17 29 110 --- 112 340 218 271 23 408 20 31 3.8 --- 35 95 --- 135 --- 170 --- 18 479 --- TOTAL 348.1 255.4 841 2182 4177 5290 16220 9741 2262 4334 9488 8321 MEAN 11.2 8.51 27.1 70.4 149 171 541 314 75.4 140 306 277 MAX 49 18 48 149 340 360 1460 905 298 311 711 599 MIN 3.4 2.8 13 21 55 75 152 108 12 18 14 20 CFSM 0.06 0.04 0.13 0.35 0.73 0.84 2.66 1.55 0.37 0.69 1.51 1.37 IN. 0.06 0.05 0.15 0.40 0.77 0.97 2.97 1.79 0.41 0.79 1.74 1.52 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02176500 COOSAWHATCHIE RIVER NEAR HAMPTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 049 LATITUDE 325010 LONGITUDE 0810755 NAD27 DRAINAGE AREA 203.00* CONTRIBUTING DRAINAGE AREA DATUM 50.30 NGVD29 Date Processed: 2005-04-11 11:59 By mishealy APPROVED DD #16, ,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 18 6.4 30 122 365 302 467 150 31 16 16 10 2 16 6.4 34 161 311 439 658 136 26 12 25 7.1 3 18 6.2 32 185 284 982 610 104 20 8.0 23 4.8 4 21 5.9 30 173 255 1210 500 89 27 6.8 21 3.7 5 21 5.9 29 146 232 1010 413 69 74 8.2 48 2.8 6 18 6.2 29 152 221 800 364 47 123 6.4 56 4.3 7 15 7.2 30 221 207 634 340 68 95 6.0 64 6.8 8 13 8.2 29 288 200 514 340 71 110 16 71 11 9 12 8.2 28 271 197 446 335 44 154 52 61 24 10 11 9.1 27 243 185 432 329 46 145 22 31 17 11 11 9.8 26 221 179 793 302 94 88 11 13 10 12 9.6 10 33 210 173 1230 500 139 52 10 7.9 7.9 13 9.1 11 105 194 161 1220 650 118 46 43 4.8 6.8 14 8.8 12 170 179 152 995 500 85 81 49 2.8 7.7 15 8.8 14 263 164 152 887 460 64 110 31 2.1 7.5 16 8.6 15 302 161 146 905 420 50 113 12 7.1 6.2 17 8.4 15 302 152 149 826 380 38 87 7.0 31 10 18 8.2 15 239 140 164 682 340 27 52 4.6 39 49 19 8.4 16 191 161 252 580 286 19 25 3.1 30 67 20 7.7 16 155 207 420 507 231 16 30 2.3 15 44 21 6.8 15 132 239 479 486 198 14 92 1.9 10 21 22 6.2 14 128 232 518 521 180 12 140 1.8 7.5 12 23 6.2 38 115 210 498 550 154 13 158 1.4 7.2 9.1 24 6.2 102 105 194 455 528 140 31 71 1.0 16 5.9 25 6.2 173 102 185 420 479 123 55 52 9.0 32 4.3 26 6.4 176 95 182 370 458 118 74 37 15 20 11 27 6.6 128 88 197 330 458 126 50 27 11 36 289 28 6.8 95 95 320 302 446 154 22 24 5.6 63 634 29 6.8 63 108 530 --- 413 170 16 18 7.8 71 438 30 6.6 46 112 518 --- 370 160 14 18 54 40 263 31 6.8 --- 102 449 --- 346 --- 16 --- 51 17 --- TOTAL 323.2 1053.5 3266 7007 7777 20449 9948 1791 2126 485.9 888.4 1994.9 MEAN 10.4 35.1 105 226 278 660 332 57.8 70.9 15.7 28.7 66.5 MAX 21 176 302 530 518 1230 658 150 158 54 71 634 MIN 6.2 5.9 26 122 146 302 118 12 18 1.0 2.1 2.8 CFSM 0.05 0.17 0.52 1.11 1.37 3.25 1.63 0.28 0.35 0.08 0.14 0.33 IN. 0.06 0.19 0.60 1.28 1.43 3.75 1.82 0.33 0.39 0.09 0.16 0.37 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02176500 COOSAWHATCHIE RIVER NEAR HAMPTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 049 LATITUDE 325010 LONGITUDE 0810755 NAD27 DRAINAGE AREA 203.00* CONTRIBUTING DRAINAGE AREA DATUM 50.30 NGVD29 Date Processed: 2005-04-11 11:59 By mishealy APPROVED DD #16, ,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 1 137 20 93 244 386 416 88 33 73 623 189 10 2 82 18 87 227 380 380 83 54 40 414 178 7.2 3 63 18 83 191 398 355 77 45 22 304 141 5.0 4 90 18 80 163 456 332 70 29 12 258 96 3.8 5 397 18 76 142 482 310 62 18 6.4 192 68 3.6 6 493 18 76 130 531 293 56 11 3.8 134 48 4.5 7 439 17 78 145 517 288 74 6.4 4.2 103 33 6.1 8 304 17 87 163 489 273 134 4.0 3.5 83 25 5.8 9 196 52 113 160 430 253 186 2.6 3.6 90 19 4.2 10 136 100 142 142 380 234 164 2.2 4.3 195 17 3.1 11 100 148 145 128 349 217 118 1.8 4.2 836 14 2.3 12 78 157 130 126 410 209 92 1.6 2.4 796 11 1.8 13 64 133 120 142 489 217 84 1.6 1.4 532 11 1.7 14 53 116 100 170 482 273 83 2.2 0.90 345 8.0 1.7 15 45 87 93 184 436 332 65 3.0 0.60 266 5.6 2.1 16 38 69 91 180 373 332 49 4.8 0.40 209 4.3 4.8 17 34 61 89 177 327 293 37 6.4 5.6 209 3.3 14 18 29 55 87 229 293 268 31 6.4 80 341 3.0 40 19 25 50 85 401 315 253 25 3.5 491 404 2.5 36 20 20 50 83 528 404 230 20 12 590 367 6.5 24 21 17 56 87 955 436 196 18 51 477 315 33 25 22 26 99 98 1060 404 171 15 128 304 231 172 67 23 37 166 108 884 343 152 12 193 273 164 164 79 24 47 188 104 700 397 137 8.3 90 283 149 107 105 25 55 174 95 552 636 129 6.1 54 253 222 56 62 26 52 177 89 489 660 122 5.6 38 682 420 38 35 27 39 148 83 456 582 119 4.8 25 1020 404 39 20 28 32 123 82 423 489 116 5.3 25 871 321 33 16 29 26 108 96 398 --- 109 7.6 58 1700 258 25 114 30 24 98 162 380 --- 103 15 88 999 213 20 650 31 22 --- 239 380 --- 96 --- 103 --- 193 14 --- TOTAL 3200 2559 3181 10649 12274 7208 1695.7 1101.5 8211.30 9591 1584.2 1354.7 MEAN 103 85.3 103 344 438 233 56.5 35.5 274 309 51.1 45.2 MAX 493 188 239 1060 660 416 186 193 1700 836 189 650 MIN 17 17 76 126 293 96 4.8 1.6 0.40 83 2.5 1.7 CFSM 0.51 0.42 0.51 1.69 2.16 1.15 0.28 0.18 1.35 1.52 0.25 0.22 IN. 0.59 0.47 0.58 1.95 2.25 1.32 0.31 0.20 1.50 1.76 0.29 0.25 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02176500 COOSAWHATCHIE RIVER NEAR HAMPTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 049 LATITUDE 325010 LONGITUDE 0810755 NAD27 DRAINAGE AREA 203.00* CONTRIBUTING DRAINAGE AREA DATUM 50.30 NGVD29 Date Processed: 2005-04-11 11:59 By mishealy APPROVED DD #16, ,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 1 794 19 234 182 517 1160 343 182 34 23 361 1720 2 517 25 258 249 524 938 310 186 29 19 343 1150 3 338 25 220 283 517 1310 283 671 21 51 258 857 4 243 31 159 268 489 1770 263 1090 15 70 186 660 5 182 38 124 230 449 1420 243 893 11 50 143 540 6 146 64 107 196 482 1110 243 652 9.1 33 84 460 7 114 81 98 182 568 893 336 489 12 24 57 392 8 94 105 90 186 636 760 468 367 19 14 45 299 9 77 105 86 276 668 668 568 293 24 8.0 35 253 10 64 88 83 524 628 605 612 230 18 7.0 33 226 11 56 67 81 644 568 552 517 189 9.6 6.0 109 620 12 48 53 92 920 517 510 423 149 5.3 5.6 442 1050 13 48 46 134 1420 475 468 355 122 4.3 6.7 436 1500 14 42 40 259 1230 475 430 299 101 12 9.5 315 2140 15 45 37 380 956 489 423 273 84 16 12 230 1520 16 42 34 398 760 524 496 248 72 10 10 120 1130 17 39 33 343 644 538 620 217 57 4.4 10 114 812 18 35 32 278 620 808 582 193 45 6.9 60 124 605 19 31 31 222 605 1430 503 168 38 38 171 137 520 20 29 33 193 620 1430 436 143 31 56 332 164 460 21 24 34 175 692 1120 392 126 32 50 416 140 404 22 21 34 161 751 857 367 112 109 32 475 110 349 23 19 34 155 700 717 338 96 234 25 482 80 299 24 20 39 155 628 620 321 83 182 18 410 65 258 25 22 44 161 644 598 310 75 126 12 350 51 226 26 20 54 175 812 734 398 74 81 12 300 49 190 27 21 68 178 857 839 582 96 57 22 273 59 170 28 25 86 168 785 1160 598 148 40 52 436 134 161 29 22 149 152 676 1350 517 226 33 67 430 700 152 30 20 193 140 598 --- 449 234 35 37 361 3580 149 31 20 --- 137 531 --- 386 --- 34 --- 304 3120 --- TOTAL 3218 1722 5596 18669 20727 20312 7775 6904 681.6 5158.8 11824 19272 MEAN 104 57.4 181 602 715 655 259 223 22.7 166 381 642 MAX 794 193 398 1420 1430 1770 612 1090 67 482 3580 2140 MIN 19 19 81 182 449 310 74 31 4.3 5.6 33 149 CFSM 0.51 0.28 0.89 2.97 3.52 3.23 1.28 1.10 0.11 0.82 1.88 3.16 IN. 0.59 0.32 1.03 3.42 3.80 3.72 1.42 1.27 0.12 0.95 2.17 3.53 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02176500 COOSAWHATCHIE RIVER NEAR HAMPTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 049 LATITUDE 325010 LONGITUDE 0810755 NAD27 DRAINAGE AREA 203.00* CONTRIBUTING DRAINAGE AREA DATUM 50.30 NGVD29 Date Processed: 2005-04-11 11:59 By mishealy APPROVED DD #16, ,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 1 168 290 168 300 239 605 1330 361 10 48 552 22 2 209 283 155 270 239 598 2020 240 12 35 373 17 3 440 258 158 230 226 676 1600 204 15 30 288 16 4 1200 248 248 230 209 684 1300 190 16 21 263 15 5 1430 234 520 209 200 652 956 180 17 14 158 14 6 1330 230 730 209 200 580 830 170 18 12 122 11 7 1210 230 605 189 200 520 708 140 21 13 132 7.2 8 947 220 475 213 234 538 612 100 40 20 171 5.0 9 751 217 392 210 278 582 538 88 60 46 350 3.6 10 600 213 338 200 278 560 420 80 88 112 510 3.5 11 500 200 288 189 253 510 349 66 140 189 350 3.6 12 430 193 270 189 234 475 304 52 190 146 320 3.6 13 386 186 260 189 230 480 299 45 240 378 330 3.3 14 349 180 273 175 400 580 248 40 290 568 740 4.0 15 628 180 268 161 821 605 213 35 330 332 580 4.2 16 2760 178 258 160 821 524 171 30 350 332 290 5.3 17 3100 178 243 160 1010 475 170 28 330 560 155 5.8 18 1900 175 234 175 1170 510 190 27 310 717 124 6.1 19 1290 168 230 158 1020 700 193 27 280 598 94 6.4 20 1000 164 230 155 980 910 189 27 260 315 70 7.2 21 794 170 230 149 910 1000 178 27 230 189 53 6.7 22 668 170 248 143 848 857 168 25 200 149 79 5.3 23 575 171 268 140 768 760 158 20 180 109 178 4.2 24 510 175 270 160 652 994 200 14 190 75 106 4.0 25 460 178 270 226 785 1540 510 12 200 51 60 3.6 26 423 200 280 315 1120 1460 717 11 210 38 51 3.6 27 392 222 340 332 1200 1200 684 10 220 28 49 3.8 28 373 210 404 283 830 1100 612 8.0 217 25 42 5.8 29 343 200 398 248 --- 947 524 7.0 146 665 46 9.1 30 327 182 386 220 --- 839 449 8.0 90 1460 41 14 31 310 --- 338 210 --- 760 --- 8.0 --- 875 30 --- TOTAL 25803 6103 9775 6397 16355 23221 16840 2280.0 4900 8150 6707 223.9 MEAN 832 203 315 206 584 749 561 73.5 163 263 216 7.46 MAX 3100 290 730 332 1200 1540 2020 361 350 1460 740 22 MIN 168 164 155 140 200 475 158 7.0 10 12 30 3.3 CFSM 4.10 1.00 1.55 1.02 2.88 3.69 2.77 0.36 0.80 1.30 1.07 0.04 IN. 4.73 1.12 1.79 1.17 3.00 4.26 3.09 0.42 0.90 1.49 1.23 0.04 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02176500 COOSAWHATCHIE RIVER NEAR HAMPTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 049 LATITUDE 325010 LONGITUDE 0810755 NAD27 DRAINAGE AREA 203.00* CONTRIBUTING DRAINAGE AREA DATUM 50.30 NGVD29 Date Processed: 2005-04-11 11:59 By mishealy APPROVED DD #16, ,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 26 4.8 33 32 290 644 170 209 392 101 44 50 2 34 4.5 31 32 278 734 160 158 310 119 33 33 3 28 4.3 29 32 253 768 200 112 321 143 15 25 4 19 4.0 28 31 234 1170 250 84 268 155 74 17 5 12 4.0 26 52 222 2110 280 68 226 132 146 12 6 8.0 4.0 25 106 204 1990 273 51 193 112 185 8.0 7 35 4.2 23 158 193 1390 268 37 164 96 338 6.4 8 60 4.0 22 182 182 1040 222 31 149 84 404 5.0 9 77 4.3 22 161 175 821 193 33 183 70 373 4.0 10 54 4.5 21 124 161 684 171 40 365 57 327 3.0 11 33 12 22 98 161 598 149 68 524 40 367 2.7 12 20 38 22 81 171 538 99 134 496 25 430 2.6 13 14 77 25 68 189 503 79 114 436 13 299 2.6 14 10 88 29 59 213 468 119 109 398 13 209 3.6 15 8.3 90 32 108 222 442 112 103 332 20 143 11 16 6.9 70 34 207 217 430 98 98 293 33 96 21 17 5.6 53 36 268 234 410 86 105 253 55 72 19 18 4.0 39 38 283 278 386 77 103 258 115 81 81 19 4.2 31 56 243 436 361 67 116 304 112 67 113 20 7.6 26 70 182 468 332 62 180 258 50 42 44 21 16 25 96 158 462 304 62 213 243 52 37 22 22 22 27 96 178 430 288 62 234 230 94 42 50 23 23 38 83 230 380 273 65 332 204 73 57 71 24 18 63 64 243 392 263 64 410 175 32 45 39 25 13 75 51 230 423 248 54 524 155 18 30 20 26 9.5 68 45 268 456 234 45 830 140 21 67 10 27 7.6 51 40 299 456 234 36 1290 114 25 294 5.7 28 6.9 41 38 315 489 222 32 1240 72 23 366 6.6 29 5.8 38 36 321 --- 209 202 965 94 16 213 7.2 30 5.3 35 34 321 --- 200 286 726 90 16 116 4.6 31 5.0 --- 33 310 --- 180 --- 524 --- 24 74 --- TOTAL 598.7 1027.6 1240 5380 8269 18474 4043 9241 7640 1939 5086 700.0 MEAN 19.3 34.3 40.0 174 295 596 135 298 255 62.5 164 23.3 MAX 77 90 96 321 489 2110 286 1290 524 155 430 113 MIN 4.0 4.0 21 31 161 180 32 31 72 13 15 2.6 CFSM 0.10 0.17 0.20 0.85 1.45 2.94 0.66 1.47 1.25 0.31 0.81 0.11 IN. 0.11 0.19 0.23 0.99 1.52 3.39 0.74 1.69 1.40 0.36 0.93 0.13 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02176500 COOSAWHATCHIE RIVER NEAR HAMPTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 049 LATITUDE 325010 LONGITUDE 0810755 NAD27 DRAINAGE AREA 203.00* CONTRIBUTING DRAINAGE AREA DATUM 50.30 NGVD29 Date Processed: 2005-04-11 11:59 By mishealy APPROVED DD #16, ,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 3.9 5.0 17 181 134 178 77 57 25 253 59 31 2 4.3 4.3 17 480 129 193 70 37 37 204 124 41 3 11 4.0 16 768 129 186 70 26 56 114 171 38 4 17 4.0 15 745 134 164 67 36 77 84 127 26 5 12 4.8 14 665 134 152 60 107 134 51 196 17 6 12 5.9 13 580 134 143 54 200 175 50 278 14 7 11 5.9 13 509 234 149 42 222 155 72 175 11 8 10 6.1 13 459 361 178 45 178 103 94 127 7.2 9 10 6.4 14 490 417 209 36 137 62 299 72 77 10 12 6.4 15 612 482 213 31 105 40 417 62 263 11 12 6.7 15 726 496 361 28 77 28 443 310 146 12 11 6.9 20 707 489 503 62 50 23 367 929 107 13 10 6.9 31 642 462 545 124 83 30 338 830 54 14 10 7.2 44 574 410 503 114 124 90 386 726 30 15 9.0 7.6 46 538 373 430 81 114 77 503 613 19 16 9.0 7.6 38 517 332 361 53 62 54 489 510 12 17 8.0 9.5 31 489 299 310 39 34 41 404 430 8.0 18 9.0 9.1 31 449 278 243 29 21 34 343 380 5.9 19 10 8.3 34 404 268 182 19 12 56 304 398 4.5 20 12 7.6 39 361 278 149 13 8.0 67 243 367 4.0 21 16 7.6 38 327 315 146 9.5 5.0 114 171 449 3.0 22 14 7.2 33 293 327 155 8.7 25 94 109 373 2.5 23 13 7.2 32 263 315 168 23 196 155 109 278 2.1 24 12 7.2 35 234 283 158 62 404 253 178 204 1.9 25 12 8.0 40 213 253 140 77 338 143 189 127 1.7 26 10 8.0 42 196 200 124 65 283 75 168 74 1.6 27 9.9 8.7 39 186 171 103 140 178 213 143 54 1.7 28 9.1 12 35 175 164 94 204 94 392 146 41 2.1 29 8.3 13 39 161 --- 96 164 56 338 107 34 3.3 30 6.9 16 45 149 --- 92 99 39 283 68 29 5.6 31 5.9 --- 80 140 --- 88 --- 27 --- 56 29 --- TOTAL 320.3 225.1 934 13233 8001 6716 1966.2 3335.0 3424 6902 8576 941.1 MEAN 10.3 7.50 30.1 427 286 217 65.5 108 114 223 277 31.4 MAX 17 16 80 768 496 545 204 404 392 503 929 263 MIN 3.9 4.0 13 140 129 88 8.7 5.0 23 50 29 1.6 CFSM 0.05 0.04 0.15 2.10 1.41 1.07 0.32 0.53 0.56 1.10 1.36 0.15 IN. 0.06 0.04 0.17 2.42 1.47 1.23 0.36 0.61 0.63 1.26 1.57 0.17 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02176500 COOSAWHATCHIE RIVER NEAR HAMPTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 049 LATITUDE 325010 LONGITUDE 0810755 NAD27 DRAINAGE AREA 203.00* CONTRIBUTING DRAINAGE AREA DATUM 50.30 NGVD29 Date Processed: 2005-04-11 11:59 By mishealy APPROVED DD #16, ,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 5.6 1.7 50 84 59 68 35 84 12 5.2 0.38 5.2 2 4.6 2.2 39 75 57 79 30 81 6.2 3.9 1.2 3.5 3 3.9 2.8 36 92 56 84 27 51 4.2 2.9 27 2.8 4 3.2 4.0 34 117 54 86 25 26 3.2 2.8 14 2.0 5 2.7 4.2 35 127 51 68 25 16 2.4 6.0 4.0 1.6 6 2.4 4.2 34 114 49 56 25 9.1 3.2 6.6 2.1 1.3 7 2.2 4.2 32 96 46 48 25 6.0 146 5.8 1.4 0.95 8 2.0 4.0 29 77 48 42 25 4.5 332 4.9 0.95 0.75 9 2.0 4.2 27 68 48 39 25 3.6 404 4.9 1.0 0.62 10 2.2 4.3 27 74 46 40 86 3.2 373 4.2 1.6 0.46 11 2.2 4.5 33 107 45 48 186 2.7 367 5.4 2.4 0.24 12 2.4 4.6 39 152 42 65 182 2.5 332 11 6.2 0.06 13 2.5 4.8 48 178 40 90 129 2.4 253 44 9.1 0.00 14 2.4 4.6 45 178 38 122 74 2.4 196 35 9.1 0.00 15 2.4 4.6 44 171 41 134 45 2.9 129 15 9.5 0.00 16 2.2 4.5 44 152 44 107 38 3.5 79 14 7.2 0.00 17 2.0 4.5 48 127 41 112 32 4.9 49 44 5.4 0.00 18 2.0 4.5 44 103 40 137 24 6.0 30 40 3.5 0.00 19 1.9 4.3 37 90 38 149 17 6.6 22 22 3.2 0.00 20 1.9 4.5 33 81 36 127 12 6.8 20 7.2 2.1 0.18 21 2.3 4.8 30 75 35 96 8.7 7.0 22 3.7 1.6 1.2 22 2.4 4.8 29 72 37 75 6.2 4.3 15 2.5 1.2 1.2 23 2.3 11 33 68 41 64 5.2 2.4 9.9 1.9 0.80 0.95 24 2.2 15 37 70 56 54 16 1.7 7.2 1.5 0.58 0.62 25 2.0 36 39 77 75 49 65 1.5 8.7 1.2 0.27 0.30 26 1.7 41 35 84 90 45 75 2.6 31 0.85 0.00 0.03 27 1.7 54 30 81 84 41 49 6.8 54 0.62 0.24 0.00 28 1.6 64 48 72 67 39 29 18 50 0.38 2.1 0.42 29 1.6 70 77 65 64 37 37 33 25 0.12 2.6 2.0 30 1.6 62 112 62 --- 42 77 37 9.9 0.00 2.4 1.6 31 1.6 --- 107 60 --- 40 --- 23 --- 0.15 2.0 --- TOTAL 73.7 443.8 1335 3049 1468 2283 1435.1 462.4 2995.9 297.72 125.12 27.98 MEAN 2.38 14.8 43.1 98.4 50.6 73.6 47.8 14.9 99.9 9.60 4.04 0.93 MAX 5.6 70 112 178 90 149 186 84 404 44 27 5.2 MIN 1.6 1.7 27 60 35 37 5.2 1.5 2.4 0.00 0.00 0.00 CFSM 0.01 0.07 0.21 0.48 0.25 0.36 0.24 0.07 0.49 0.05 0.02 0.00 IN. 0.01 0.08 0.24 0.56 0.27 0.42 0.26 0.08 0.55 0.05 0.02 0.01 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02176500 COOSAWHATCHIE RIVER NEAR HAMPTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 049 LATITUDE 325010 LONGITUDE 0810755 NAD27 DRAINAGE AREA 203.00* CONTRIBUTING DRAINAGE AREA DATUM 50.30 NGVD29 Date Processed: 2005-04-11 11:59 By mishealy APPROVED DD #16, ,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 0.95 2.2 12 84 77 132 189 28 95 79 107 3320 2 0.50 2.4 19 79 74 140 171 19 74 79 90 6590 3 0.34 2.4 36 72 74 155 158 14 56 62 129 4040 4 0.18 3.7 65 67 68 175 149 11 39 46 273 2370 5 0.00 4.2 79 60 65 168 140 8.3 29 32 742 1620 6 0.00 4.8 88 53 65 164 161 6.8 30 22 794 1180 7 0.00 5.2 92 48 67 243 193 5.6 29 14 552 938 8 0.00 5.8 88 42 70 278 204 4.8 27 12 423 803 9 0.00 11 72 41 86 293 196 4.9 21 14 321 676 10 0.00 29 59 39 98 293 175 4.8 15 14 243 604 11 0.00 34 49 37 103 258 155 3.4 14 11 253 501 12 0.00 37 41 35 107 217 140 2.7 48 7.6 293 405 13 0.00 48 37 34 105 193 129 2.2 158 6.2 268 332 14 0.00 60 38 32 92 171 116 1.9 392 4.0 226 274 15 0.00 59 37 31 98 152 109 3.3 430 3.2 234 233 16 0.00 54 38 29 161 143 129 4.0 875 2.4 361 213 17 0.00 46 40 29 222 134 209 5.4 1220 2.0 416 234 18 0.15 37 41 29 253 182 204 9.5 1430 1.6 416 410 19 2.2 33 40 31 258 343 182 263 1070 1.7 386 467 20 5.8 30 37 72 234 436 168 1660 760 2.9 283 441 21 5.0 29 34 105 200 475 143 1240 575 3.4 193 410 22 5.4 31 32 134 175 423 124 841 449 4.2 134 436 23 7.0 31 35 152 158 338 103 559 349 12 103 469 24 9.9 29 35 158 149 349 84 416 278 39 88 430 25 8.7 24 37 140 143 386 72 367 213 68 79 367 26 5.8 20 44 116 134 398 59 361 161 67 64 321 27 4.4 18 46 105 126 373 50 304 119 68 48 279 28 4.0 16 57 94 116 321 42 253 88 49 35 238 29 3.4 14 64 88 --- 278 39 197 67 30 25 195 30 2.6 14 68 83 --- 239 33 159 74 30 21 161 31 2.3 --- 77 79 --- 213 --- 123 --- 62 29 --- TOTAL 68.62 734.7 1537 2198 3578 8063 4026 6882.6 9185 849.2 7629 28957 MEAN 2.21 24.5 49.6 70.9 128 260 134 222 306 27.4 246 965 MAX 9.9 60 92 158 258 475 209 1660 1430 79 794 6590 MIN 0.00 2.2 12 29 65 132 33 1.9 14 1.6 21 161 CFSM 0.01 0.12 0.24 0.35 0.63 1.28 0.66 1.09 1.51 0.13 1.21 4.75 IN. 0.01 0.13 0.28 0.40 0.66 1.48 0.74 1.26 1.68 0.16 1.40 5.31 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02176500 COOSAWHATCHIE RIVER NEAR HAMPTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 049 LATITUDE 325010 LONGITUDE 0810755 NAD27 DRAINAGE AREA 203.00* CONTRIBUTING DRAINAGE AREA DATUM 50.30 NGVD29 Date Processed: 2005-04-11 11:59 By mishealy APPROVED DD #16, ,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 1 148 327 98 340 219 346 1970 75 51 3.0 20 50 2 330 1100 94 340 230 307 1530 64 36 2.4 14 36 3 634 1080 90 320 462 278 1210 53 25 1.9 6.4 27 4 604 821 86 320 730 259 984 62 17 1.6 3.7 21 5 483 590 83 310 697 302 812 79 12 1.6 2.3 17 6 354 449 81 340 578 403 785 92 10 1.4 1.7 16 7 270 373 105 400 475 452 751 79 12 1.1 1.5 12 8 219 310 155 450 412 444 668 60 12 0.90 1.4 8.7 9 188 273 204 520 366 457 582 48 10 1.3 2.0 6.4 10 170 239 327 540 331 480 503 37 8.7 2.4 6.8 4.8 11 155 213 605 520 302 453 436 29 6.0 4.2 29 4.6 12 137 193 686 520 276 401 423 23 4.4 5.4 65 11 13 121 182 623 560 254 346 489 19 3.3 6.6 74 14 14 109 171 495 580 235 297 517 14 2.6 6.0 59 14 15 98 158 399 570 233 258 462 11 2.4 4.0 44 12 16 89 146 336 530 277 225 398 7.6 2.5 2.7 28 6.2 17 84 140 294 510 551 201 338 8.0 2.4 2.0 16 3.8 18 77 134 263 480 762 192 293 15 2.2 2.7 9.1 5.2 19 70 134 241 480 701 190 268 32 1.9 2.7 5.6 6.0 20 85 137 223 470 581 253 243 29 1.4 3.6 4.3 5.2 21 225 129 210 440 481 605 213 17 1.1 5.6 3.5 4.4 22 232 126 244 400 408 1320 186 11 1.3 7.6 2.9 3.8 23 181 124 279 370 356 1560 158 8.0 1.3 20 2.6 3.3 24 139 119 293 330 323 1280 137 6.2 1.2 25 2.9 2.7 25 113 114 286 310 310 994 119 17 2.5 29 15 2.4 26 97 112 300 290 351 785 107 56 4.9 31 96 2.0 27 88 107 330 280 396 652 103 101 5.6 36 268 1.8 28 83 105 350 263 388 575 103 96 6.2 24 288 1.7 29 75 103 350 245 --- 524 98 62 5.2 14 178 1.9 30 70 101 340 238 --- 652 88 65 4.3 14 109 1.8 31 67 --- 350 226 --- 1760 --- 70 --- 22 74 --- TOTAL 5795 8310 8820 12492 11685 17251 14974 1345.8 256.4 285.70 1433.7 306.7 MEAN 187 277 285 403 417 556 499 43.4 8.55 9.22 46.2 10.2 MAX 634 1100 686 580 762 1760 1970 101 51 36 288 50 MIN 67 101 81 226 219 190 88 6.2 1.1 0.90 1.4 1.7 CFSM 0.92 1.36 1.40 1.99 2.06 2.74 2.46 0.21 0.04 0.05 0.23 0.05 IN. 1.06 1.52 1.62 2.29 2.14 3.16 2.74 0.25 0.05 0.05 0.26 0.06 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02176500 COOSAWHATCHIE RIVER NEAR HAMPTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 049 LATITUDE 325010 LONGITUDE 0810755 NAD27 DRAINAGE AREA 203.00* CONTRIBUTING DRAINAGE AREA DATUM 50.30 NGVD29 Date Processed: 2005-04-11 11:59 By mishealy APPROVED DD #16, ,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 1.3 19 9.1 124 300 612 404 175 26 33 785 660 2 1.2 22 9.5 129 260 848 332 161 16 56 545 582 3 1.0 20 9.9 116 220 1070 283 137 9.5 134 436 560 4 0.90 17 10 98 190 1430 239 112 6.4 146 293 442 5 0.70 16 11 92 180 1350 226 90 4.8 140 243 373 6 0.54 9.9 8.3 88 160 994 293 72 3.5 146 568 321 7 0.46 6.2 8.3 86 150 751 380 59 2.6 186 380 273 8 0.46 5.6 7.6 95 140 636 361 53 2.1 299 263 243 9 1.1 5.0 9.5 120 160 560 299 56 3.2 226 423 204 10 1.4 6.2 9.9 440 260 475 253 57 20 243 430 189 11 1.7 8.3 10 550 400 404 213 59 10 310 293 196 12 1.9 9.9 11 500 340 349 189 54 6.6 258 178 230 13 1.7 12 13 460 280 321 164 53 5.8 299 126 293 14 1.6 20 13 400 240 321 149 45 4.6 155 126 253 15 1.7 25 12 380 200 343 126 48 3.2 112 101 185 16 2.0 22 42 320 180 380 114 88 2.3 72 140 137 17 2.0 14 77 300 160 386 103 116 8.3 49 1010 110 18 1.9 12 96 240 150 343 94 114 26 33 1210 98 19 1.8 12 114 200 140 299 84 94 35 26 1000 116 20 6.0 10 126 180 130 273 75 75 40 33 700 106 21 6.6 11 103 160 120 243 70 79 38 25 482 89 22 9.5 8.7 74 140 120 234 79 53 29 23 355 74 23 10 8.7 57 130 120 217 81 39 25 24 552 68 24 8.3 9.1 49 120 110 193 436 29 29 33 803 68 25 11 7.6 40 120 110 182 760 21 19 38 1090 65 26 11 7.0 39 120 110 367 636 15 13 77 956 58 27 11 7.2 33 150 152 652 430 10 9.5 140 785 50 28 11 7.6 31 260 273 708 304 8.0 6.4 109 628 42 29 11 8.0 37 440 --- 582 230 16 6.2 83 475 34 30 12 8.7 60 440 --- 524 193 24 11 134 380 28 31 14 --- 94 380 --- 468 --- 29 --- 700 644 --- TOTAL 146.76 355.7 1224.1 7378 5355 16515 7600 2041.0 422.0 4342 16400 6147 MEAN 4.73 11.9 39.5 238 191 533 253 65.8 14.1 140 529 205 MAX 14 25 126 550 400 1430 760 175 40 700 1210 660 MIN 0.46 5.0 7.6 86 110 182 70 8.0 2.1 23 101 28 CFSM 0.02 0.06 0.19 1.17 0.94 2.62 1.25 0.32 0.07 0.69 2.61 1.01 IN. 0.03 0.07 0.22 1.35 0.98 3.03 1.39 0.37 0.08 0.80 3.01 1.13 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02176500 COOSAWHATCHIE RIVER NEAR HAMPTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 049 LATITUDE 325010 LONGITUDE 0810755 NAD27 DRAINAGE AREA 203.00* CONTRIBUTING DRAINAGE AREA DATUM 50.30 NGVD29 Date Processed: 2005-04-11 11:59 By mishealy APPROVED DD #16, ,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 26 360 768 222 503 416 575 24 162 524 20 214 2 24 568 621 214 751 377 546 24 122 397 30 194 3 21 575 598 206 1130 371 442 28 77 268 13 130 4 19 539 1040 198 1590 377 349 54 51 194 8.5 77 5 17 476 1120 210 1300 355 289 85 36 202 13 64 6 17 397 974 259 1000 300 250 67 26 227 20 69 7 17 338 795 289 839 263 222 47 26 210 21 71 8 14 279 668 279 786 245 198 37 20 162 15 51 9 23 236 7.6 245 709 227 166 41 15 115 15 35 10 115 210 8.0 222 621 214 146 41 13 87 10 26 11 289 186 8.3 259 539 198 136 33 10 72 12 19 12 338 169 9.1 469 510 186 152 25 9.1 59 49 14 13 245 156 10 629 652 179 172 22 8.8 54 190 11 14 156 144 10 830 760 175 162 65 7.7 43 117 9.5 15 112 133 9.9 1030 685 169 136 108 6.5 35 52 7.7 16 115 125 37 992 590 172 110 112 5.7 28 16 6.0 17 214 120 355 786 568 240 89 69 5.3 34 26 5.3 18 236 115 321 637 575 316 69 42 5.3 58 48 4.9 19 198 112 289 546 590 295 59 32 29 55 71 4.8 20 182 108 300 483 560 240 55 32 300 38 36 4.3 21 371 100 442 483 517 198 52 48 777 26 34 3.8 22 621 90 539 510 456 227 51 52 693 21 24 3.6 23 621 85 510 575 410 289 55 141 449 15 17 3.2 24 613 90 442 568 377 273 58 202 263 11 15 3.0 25 598 127 384 553 360 250 54 125 156 10 21 3.1 26 575 175 338 483 355 210 44 71 110 16 61 3.1 27 496 214 310 423 423 206 38 55 85 21 51 3.0 28 416 206 284 377 462 214 32 74 108 17 55 2.8 29 349 390 263 349 436 310 28 130 316 13 332 2.6 30 300 777 250 360 --- 390 26 194 483 10 539 2.2 31 273 --- 236 429 --- 456 --- 186 --- 9.1 316 --- TOTAL 7611 7600 11946.9 14115 19054 8338 4761 2266 4375.4 3031.1 2247.5 1047.9 MEAN 246 253 385 455 657 269 159 73.1 146 97.8 72.5 34.9 MAX 621 777 1120 1030 1590 456 575 202 777 524 539 214 MIN 14 85 7.6 198 355 169 26 22 5.3 9.1 8.5 2.2 CFSM 1.21 1.25 1.90 2.24 3.24 1.32 0.78 0.36 0.72 0.48 0.36 0.17 IN. 1.39 1.39 2.19 2.59 3.49 1.53 0.87 0.42 0.80 0.56 0.41 0.19 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02176500 COOSAWHATCHIE RIVER NEAR HAMPTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 049 LATITUDE 325010 LONGITUDE 0810755 NAD27 DRAINAGE AREA 203.00* CONTRIBUTING DRAINAGE AREA DATUM 50.30 NGVD29 Date Processed: 2005-04-11 11:59 By mishealy APPROVED DD #16, ,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 2.2 19 81 190 469 360 1150 254 44 279 202 58 2 1.9 12 79 245 726 338 1620 202 33 182 305 54 3 1.8 8.2 72 360 1150 349 1290 169 24 166 546 46 4 1.8 6.8 61 429 1140 377 1100 149 19 152 830 46 5 1.7 6.0 48 403 920 390 1030 127 15 182 875 46 6 1.7 5.5 149 349 726 490 866 108 13 310 742 46 7 1.6 5.8 397 327 613 742 726 90 14 332 553 47 8 1.6 7.7 532 423 532 812 965 87 56 231 397 44 9 1.5 8.2 449 637 560 884 1220 138 429 175 284 42 10 1.4 9.1 327 668 857 1380 1010 240 821 190 218 49 11 1.3 11 214 598 1010 1370 804 222 1210 194 172 58 12 1.2 11 156 490 974 1090 660 166 1120 159 136 64 13 1.2 9.1 133 410 893 893 553 117 1070 130 103 62 14 1.4 12 122 360 911 726 476 90 1790 112 133 120 15 1.6 12 117 321 1160 621 403 72 1490 108 284 222 16 1.8 12 122 289 1260 539 355 58 1210 89 198 210 17 1.9 22 130 263 1100 503 310 48 1110 81 198 141 18 1.8 24 136 240 893 462 279 40 929 87 254 98 19 1.6 23 122 240 751 410 254 32 717 80 295 81 20 1.6 24 112 254 644 366 227 29 701 79 259 65 21 1.5 21 125 250 560 332 206 26 726 65 186 58 22 1.6 17 218 338 503 305 182 23 605 58 214 54 23 1.7 15 410 456 456 284 162 19 582 61 490 62 24 1.9 13 476 436 416 259 144 17 575 105 456 59 25 2.3 29 436 371 377 273 133 16 469 96 305 44 26 2.7 67 397 310 371 403 152 17 532 74 222 37 27 3.8 92 338 321 384 483 284 32 660 65 156 64 28 9.1 96 289 423 384 442 476 46 483 240 115 125 29 7.7 85 245 644 --- 384 462 61 423 236 92 172 30 12 81 210 644 --- 397 343 76 384 130 79 149 31 22 --- 194 560 --- 560 --- 58 --- 127 67 --- TOTAL 98.9 764.4 6897 12249 20740 17224 17842 2829 18254 4575 9366 2423 MEAN 3.19 25.5 222 395 741 556 595 91.3 608 148 302 80.8 MAX 22 96 532 668 1260 1380 1620 254 1790 332 875 222 MIN 1.2 5.5 48 190 371 259 133 16 13 58 67 37 CFSM 0.02 0.13 1.10 1.95 3.65 2.74 2.93 0.45 3.00 0.73 1.49 0.40 IN. 0.02 0.14 1.26 2.24 3.80 3.16 3.27 0.52 3.35 0.84 1.72 0.44 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02176500 COOSAWHATCHIE RIVER NEAR HAMPTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 049 LATITUDE 325010 LONGITUDE 0810755 NAD27 DRAINAGE AREA 203.00* CONTRIBUTING DRAINAGE AREA DATUM 50.30 NGVD29 Date Processed: 2005-04-11 11:59 By mishealy APPROVED DD #16, ,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 97 17 33 177 602 287 445 34 30 7.7 9.1 38 2 70 15 32 253 477 277 359 30 24 4.6 10 131 3 58 14 30 277 396 263 297 27 19 4.1 42 110 4 51 13 28 240 408 254 263 25 17 7.7 67 64 5 45 13 29 199 414 235 287 30 16 7.4 194 43 6 38 13 30 174 377 218 377 38 17 8.0 338 48 7 33 12 30 160 390 214 365 40 27 11 360 67 8 29 13 45 145 822 202 297 35 64 14 403 79 9 25 16 79 136 1430 191 313 31 40 10 360 91 10 21 18 108 125 1160 180 402 30 24 7.4 476 76 11 20 19 104 139 857 167 464 25 19 7.4 462 49 12 18 23 74 195 659 180 384 48 15 7.1 377 36 13 17 24 53 218 533 240 319 83 12 9.4 250 27 14 15 21 48 195 464 336 359 101 11 14 218 29 15 15 20 47 170 498 303 359 69 6.6 11 222 65 16 14 20 115 148 739 287 297 42 5.8 14 273 69 17 14 19 240 136 1100 445 235 33 4.8 14 355 56 18 12 19 272 125 1050 526 184 28 3.9 11 384 77 19 11 19 206 118 875 477 151 24 3.0 17 338 79 20 10 20 174 110 788 377 128 27 2.5 29 273 65 21 9.8 21 160 164 747 330 110 34 2.2 19 188 48 22 10 24 142 272 676 330 99 42 1.9 12 218 35 23 12 27 123 319 578 319 93 52 1.8 9.4 227 26 24 13 29 106 267 512 292 81 51 1.9 17 170 20 25 13 30 93 210 445 297 70 44 1.8 17 110 16 26 12 28 91 177 384 512 62 38 2.0 24 81 14 27 11 27 106 157 341 634 55 77 2.9 29 64 14 28 10 30 139 148 308 594 49 136 6.4 33 52 23 29 14 33 154 164 --- 519 44 104 8.3 25 42 27 30 16 33 139 336 --- 526 38 62 12 19 35 24 31 17 --- 133 578 --- 512 --- 41 --- 16 31 --- TOTAL 750.8 630 3163 6232 18030 10524 6986 1481 402.8 436.2 6629.1 1546 MEAN 24.2 21.0 102 201 644 339 233 47.8 13.4 14.1 214 51.5 MAX 97 33 272 578 1430 634 464 136 64 33 476 131 MIN 9.8 12 28 110 308 167 38 24 1.8 4.1 9.1 14 CFSM 0.12 0.10 0.50 0.99 3.17 1.67 1.15 0.24 0.07 0.07 1.05 0.25 IN. 0.14 0.12 0.58 1.14 3.30 1.93 1.28 0.27 0.07 0.08 1.21 0.28 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02176500 COOSAWHATCHIE RIVER NEAR HAMPTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 049 LATITUDE 325010 LONGITUDE 0810755 NAD27 DRAINAGE AREA 203.00* CONTRIBUTING DRAINAGE AREA DATUM 50.30 NGVD29 Date Processed: 2005-04-11 11:59 By mishealy APPROVED DD #16, ,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 15 5.6 31 133 241 420 342 116 216 87 711 102 2 11 5.3 38 113 224 388 382 130 179 61 551 176 3 8.7 5.6 37 91 250 350 522 224 169 46 419 144 4 7.4 5.8 35 85 466 310 639 522 139 35 319 87 5 6.4 6.2 33 81 655 290 606 583 96 28 246 57 6 5.8 6.6 31 85 647 270 480 522 64 22 201 39 7 5.8 6.9 31 87 552 260 388 371 47 39 179 32 8 5.3 7.7 37 104 459 310 325 273 35 102 283 36 9 5.0 8.0 42 160 394 330 283 250 30 128 370 37 10 4.6 8.7 43 222 342 347 260 283 64 67 388 37 11 4.5 8.7 44 222 304 347 250 365 241 44 782 34 12 4.5 9.0 44 191 299 394 246 401 208 69 702 30 13 4.2 10 56 414 342 401 232 336 264 133 537 26 14 3.9 10 55 667 401 382 371 260 303 589 376 26 15 4.1 11 61 755 414 342 1320 212 186 1500 273 25 16 4.5 11 95 533 376 347 1450 314 125 1570 208 23 17 5.0 12 110 402 347 439 1050 947 89 1760 163 24 18 5.3 20 106 330 501 545 756 1090 64 2040 128 131 19 5.1 23 91 282 765 1050 560 801 336 2100 116 325 20 5.3 41 79 282 856 1190 459 552 845 1900 102 303 21 5.0 79 106 292 965 1000 394 388 612 1440 87 204 22 4.8 93 120 288 801 765 336 293 370 1460 80 204 23 4.6 67 128 273 647 614 278 216 288 1140 69 241 24 4.6 53 118 304 622 545 232 166 186 828 64 288 25 4.8 43 97 382 731 630 200 131 193 636 54 224 26 4.6 34 83 487 696 713 175 106 438 853 42 153 27 4.6 29 74 508 598 663 147 193 465 1310 35 111 28 4.8 27 70 466 494 537 133 325 298 994 36 83 29 5.0 26 77 407 --- 446 128 237 186 668 64 66 30 5.1 26 108 347 --- 394 128 179 125 636 80 57 31 5.6 --- 133 294 --- 359 --- 216 --- 773 74 --- TOTAL 174.9 699.1 2213 9287 14389 15378 13072 11002 6861 23058 7739 3325 MEAN 5.64 23.3 71.4 300 514 496 436 355 229 744 250 111 MAX 15 93 133 755 965 1190 1450 1090 845 2100 782 325 MIN 3.9 5.3 31 81 224 260 128 106 30 22 35 23 CFSM 0.03 0.11 0.35 1.48 2.53 2.44 2.15 1.75 1.13 3.66 1.23 0.55 IN. 0.03 0.13 0.41 1.70 2.64 2.82 2.40 2.02 1.26 4.23 1.42 0.61 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02176500 COOSAWHATCHIE RIVER NEAR HAMPTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 049 LATITUDE 325010 LONGITUDE 0810755 NAD27 DRAINAGE AREA 203.00* CONTRIBUTING DRAINAGE AREA DATUM 50.30 NGVD29 Date Processed: 2005-04-11 11:59 By mishealy APPROVED DD #16, ,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 52 17 29 183 370 102 89 67 407 614 29 7.4 2 50 17 30 208 507 98 80 178 304 501 25 8.1 3 41 17 32 176 574 96 69 165 246 407 24 26 4 34 17 32 133 493 93 60 76 325 598 39 67 5 29 17 30 104 388 89 52 42 545 801 120 100 6 27 18 29 91 325 87 45 30 530 883 69 59 7 26 21 29 85 283 96 42 25 382 1560 42 53 8 28 25 33 118 250 100 39 24 269 1100 37 67 9 40 30 37 179 220 111 35 24 189 774 37 67 10 49 33 45 201 201 130 31 32 138 560 36 53 11 59 34 49 176 186 130 28 33 106 426 32 39 12 49 32 49 141 172 111 26 34 87 330 33 29 13 38 37 44 123 163 123 22 31 72 255 28 24 14 33 38 40 116 153 155 20 34 65 196 23 50 15 29 38 38 106 144 189 19 62 78 155 19 161 16 27 40 40 100 139 309 17 161 161 125 15 288 17 28 37 54 96 136 530 15 294 347 106 15 224 18 37 41 89 96 131 508 13 283 515 104 15 133 19 42 39 106 96 130 394 12 208 748 147 16 81 20 41 35 98 89 141 304 11 150 820 325 14 58 21 34 34 74 85 147 255 9.7 91 874 246 16 46 22 28 32 61 81 152 216 9.1 61 1210 155 19 41 23 24 28 54 78 155 185 9.4 81 820 106 20 38 24 23 28 49 74 161 165 8.8 920 671 78 16 35 25 21 28 46 71 150 147 8.1 1230 974 62 13 32 26 21 27 102 72 133 133 8.1 1090 856 53 11 40 27 21 28 176 273 123 123 7.1 847 622 55 10 116 28 21 27 193 836 113 120 6.4 688 622 53 8.8 158 29 20 27 141 828 106 111 6.7 783 929 48 7.4 141 30 19 28 100 612 --- 102 21 688 756 40 6.4 189 31 19 --- 116 431 --- 96 --- 560 --- 35 6.2 --- TOTAL 1010 870 2045 6058 6346 5408 819.4 8992 14668 10898 801.8 2430.5 MEAN 32.6 29.0 66.0 195 219 174 27.3 290 489 352 25.9 81.0 MAX 59 41 193 836 574 530 89 1230 1210 1560 120 288 MIN 19 17 29 71 106 87 6.4 24 65 35 6.2 7.4 CFSM 0.16 0.14 0.32 0.96 1.08 0.86 0.13 1.43 2.41 1.73 0.13 0.40 IN. 0.19 0.16 0.37 1.11 1.16 0.99 0.15 1.65 2.69 2.00 0.15 0.45 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02176500 COOSAWHATCHIE RIVER NEAR HAMPTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 049 LATITUDE 325010 LONGITUDE 0810755 NAD27 DRAINAGE AREA 203.00* CONTRIBUTING DRAINAGE AREA DATUM 50.30 NGVD29 Date Processed: 2005-04-11 11:59 By mishealy APPROVED DD #16, ,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 1 182 138 560 439 299 228 347 14 14 6.4 4.1 22 2 155 128 439 388 278 208 347 13 10 6.0 6.9 20 3 123 123 365 420 264 182 299 12 8.1 6.0 11 17 4 98 111 314 722 264 224 255 12 6.2 6.0 27 21 5 81 104 283 883 269 560 237 10 5.3 5.6 45 26 6 69 95 255 810 255 739 228 9.1 4.6 5.1 58 29 7 64 91 288 739 237 911 212 8.1 5.1 4.3 39 30 8 64 85 388 765 212 1020 189 6.9 4.6 3.7 23 26 9 78 81 433 722 196 901 152 6.2 4.5 3.2 16 19 10 93 80 414 647 189 713 130 5.1 4.0 2.6 11 15 11 125 78 376 568 178 590 111 4.8 3.5 2.1 8.4 13 12 125 76 433 515 172 522 98 4.4 3.5 1.5 7.4 11 13 104 74 575 466 168 575 85 3.9 3.1 1.2 7.1 9.7 14 85 76 679 459 165 663 76 3.6 3.9 1.2 8.4 8.7 15 71 83 731 537 161 765 67 3.5 6.9 1.1 8.4 8.0 16 61 89 731 590 152 630 59 3.4 8.8 1.2 8.4 10 17 89 104 696 537 147 515 53 3.1 11 1.2 7.7 16 18 136 123 598 466 138 433 47 2.9 12 1.3 8.7 21 19 182 136 508 433 136 376 41 3.4 16 1.1 12 19 20 237 144 446 388 136 336 37 3.5 27 0.94 26 17 21 283 144 414 347 133 347 32 4.5 22 1.1 46 17 22 283 133 376 330 125 722 31 9.4 23 1.3 34 13 23 264 120 359 309 120 956 33 13 31 2.4 23 11 24 204 111 336 304 138 847 33 17 27 3.3 16 9.4 25 168 104 309 359 200 671 32 23 19 4.4 23 8.7 26 185 113 426 420 260 552 28 28 19 3.9 28 8.0 27 241 182 614 407 269 466 24 72 19 3.6 34 7.7 28 241 433 647 388 241 407 20 83 15 3.5 36 9.4 29 216 739 590 394 --- 359 17 56 12 3.7 32 8.4 30 175 696 537 376 --- 314 15 29 8.1 4.0 28 8.0 31 155 --- 494 330 --- 320 --- 20 --- 4.1 25 --- TOTAL 4637 4794 14614 15458 5502 17052 3335 487.8 357.2 97.04 668.5 459.0 MEAN 150 160 471 499 196 550 111 15.7 11.9 3.13 21.6 15.3 MAX 283 739 731 883 299 1020 347 83 31 6.4 58 30 MIN 61 74 255 304 120 182 15 2.9 3.1 0.94 4.1 7.7 CFSM 0.74 0.79 2.32 2.46 0.97 2.71 0.55 0.08 0.06 0.02 0.11 0.08 IN. 0.85 0.88 2.68 2.83 1.01 3.12 0.61 0.09 0.07 0.02 0.12 0.08 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02176500 COOSAWHATCHIE RIVER NEAR HAMPTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 049 LATITUDE 325010 LONGITUDE 0810755 NAD27 DRAINAGE AREA 203.00* CONTRIBUTING DRAINAGE AREA DATUM 50.30 NGVD29 Date Processed: 2005-04-11 11:59 By mishealy APPROVED DD #16, ,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 8.0 22 28 246 486 193 74 71 17 1.8 20 2.0 2 7.7 17 40 264 529 193 72 91 13 1.5 14 2.8 3 8.0 14 49 250 677 208 71 102 15 1.4 11 2.4 4 8.4 13 47 212 702 224 69 183 20 1.2 9.7 2.7 5 8.0 13 58 186 612 228 64 250 28 1.0 11 3.5 6 6.9 13 74 169 515 220 58 237 69 0.94 14 3.7 7 6.0 14 85 156 445 204 52 176 216 0.88 34 3.4 8 5.8 14 100 150 400 197 45 128 220 2.0 74 2.9 9 5.8 14 93 183 370 208 38 136 139 2.6 74 2.6 10 5.8 13 72 208 358 330 34 216 113 1.9 51 2.2 11 5.6 11 59 212 336 458 30 264 118 1.4 51 2.5 12 6.9 10 50 201 325 465 28 216 93 1.8 69 3.5 13 7.7 9.4 46 216 309 394 44 156 106 1.7 111 4.7 14 9.0 8.7 67 259 298 336 106 113 74 1.5 93 8.7 15 9.7 8.0 102 303 293 309 163 80 47 2.1 64 9.0 16 9.7 8.0 147 298 288 288 141 57 31 29 55 5.4 17 8.7 8.0 204 273 283 264 91 49 22 182 45 4.2 18 8.0 8.4 193 264 288 228 67 46 15 260 29 3.5 19 6.9 8.4 156 314 319 197 66 45 10 185 19 2.9 20 6.4 8.7 131 515 347 183 72 45 7.8 91 13 2.7 21 6.2 8.4 169 677 336 169 71 39 6.2 45 11 2.6 22 5.8 8.7 228 652 303 159 55 31 4.9 27 7.7 2.4 23 5.6 8.7 259 515 269 153 40 25 4.4 19 5.8 2.8 24 5.4 9.4 246 412 250 150 32 33 4.1 13 4.7 6.0 25 5.4 9.7 201 507 228 179 31 54 4.0 8.8 3.9 6.0 26 8.4 10 176 1150 216 169 58 69 3.6 6.7 3.3 3.7 27 11 10 159 1410 204 125 109 74 3.7 6.7 2.9 2.8 28 13 11 150 1110 193 104 150 61 3.5 10 2.7 2.4 29 19 11 136 836 --- 91 123 40 2.7 15 2.5 2.1 30 28 18 144 668 --- 83 80 28 2.1 27 2.4 2.1 31 28 --- 197 566 --- 76 --- 22 --- 30 2.2 --- TOTAL 284.8 340.5 3866 13382 10179 6785 2134 3137 1413.0 978.92 910.8 108.2 MEAN 9.19 11.3 125 432 364 219 71.1 101 47.1 31.6 29.4 3.61 MAX 28 22 259 1410 702 465 163 264 220 260 111 9.0 MIN 5.4 8.0 28 150 193 76 28 22 2.1 0.88 2.2 2.0 CFSM 0.05 0.06 0.61 2.13 1.79 1.08 0.35 0.50 0.23 0.16 0.14 0.02 IN. 0.05 0.06 0.71 2.45 1.87 1.24 0.39 0.57 0.26 0.18 0.17 0.02 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02176500 COOSAWHATCHIE RIVER NEAR HAMPTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 049 LATITUDE 325010 LONGITUDE 0810755 NAD27 DRAINAGE AREA 203.00* CONTRIBUTING DRAINAGE AREA DATUM 50.30 NGVD29 Date Processed: 2005-04-11 11:59 By mishealy APPROVED DD #16, ,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 2.8 1.3 8.6 49 159 654 203 377 585 39 53 31 2 2.8 1.3 16 95 162 549 189 300 600 33 66 47 3 2.8 1.3 33 185 159 484 182 252 514 32 60 74 4 2.6 1.1 34 300 153 435 178 211 402 29 44 207 5 2.5 1.0 21 305 147 542 192 178 295 27 33 1730 6 2.4 0.90 13 239 159 678 211 165 239 24 26 2080 7 2.3 1.0 10 175 305 607 200 159 257 24 21 1400 8 2.0 1.1 9.6 159 507 514 175 165 310 26 18 964 9 1.4 1.1 11 153 529 435 172 185 239 28 16 638 10 1.1 1.0 11 147 455 383 192 243 185 31 14 449 11 1.0 1.1 8.6 133 354 389 207 348 144 33 12 331 12 0.96 1.1 8.9 122 295 421 203 383 108 30 12 266 13 1.1 0.96 9.3 141 252 435 192 342 87 35 15 235 14 1.9 1.1 9.6 185 223 415 290 389 71 34 17 223 15 2.0 1.3 9.6 215 203 408 421 470 60 32 16 211 16 1.9 1.4 10 200 189 408 428 514 99 26 13 185 17 2.0 1.4 10 178 172 377 326 442 285 22 12 165 18 2.0 1.4 10 156 178 331 243 331 428 31 11 156 19 2.0 1.5 11 133 196 290 189 248 371 113 9.3 156 20 2.1 1.6 12 125 207 266 156 185 239 290 7.1 159 21 2.1 1.7 13 165 305 248 130 159 165 365 5.8 156 22 2.0 1.9 13 211 542 257 110 189 117 300 5.6 159 23 1.8 2.0 13 243 896 285 95 449 95 415 14 196 24 1.5 2.0 33 285 1240 415 81 578 83 442 22 203 25 1.4 2.1 81 300 1690 470 110 694 72 310 42 172 26 1.3 2.2 150 285 1430 408 593 578 66 252 60 153 27 1.3 2.3 172 252 1110 331 1030 428 72 266 51 141 28 1.3 2.5 141 219 837 285 964 305 67 196 41 153 29 1.4 2.8 95 185 --- 257 670 235 55 120 34 211 30 1.4 6.3 67 162 --- 239 499 261 46 79 28 1430 31 1.3 --- 55 159 --- 227 --- 354 --- 57 24 --- TOTAL 56.46 49.76 1099.2 5861 13054 12443 8831 10117 6356 3741 802.8 12681 MEAN 1.82 1.66 35.5 189 466 401 294 326 212 121 25.9 423 MAX 2.8 6.3 172 305 1690 678 1030 694 600 442 66 2080 MIN 0.96 0.90 8.6 49 147 227 81 159 46 22 5.6 31 CFSM 0.01 0.01 0.17 0.93 2.30 1.98 1.45 1.61 1.04 0.59 0.13 2.08 IN. 0.01 0.01 0.20 1.07 2.39 2.28 1.62 1.85 1.16 0.69 0.15 2.32 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02176500 COOSAWHATCHIE RIVER NEAR HAMPTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 049 LATITUDE 325010 LONGITUDE 0810755 NAD27 DRAINAGE AREA 203.00* CONTRIBUTING DRAINAGE AREA DATUM 50.30 NGVD29 Date Processed: 2005-04-11 11:59 By mishealy APPROVED DD #16, ,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 1290 81 141 239 470 136 1250 93 51 16 0.00 0.07 2 837 81 130 239 455 133 972 85 39 14 0.00 0.00 3 585 89 122 223 408 130 800 78 32 9.3 0.00 0.00 4 470 101 117 207 359 130 800 72 25 7.1 0.00 0.00 5 947 113 113 196 315 133 916 67 20 5.8 0.00 0.00 6 1150 106 130 185 315 175 906 60 18 5.3 0.00 0.00 7 818 95 219 175 342 231 763 55 17 5.6 0.00 0.00 8 585 87 320 172 342 348 638 51 16 5.3 0.00 0.00 9 449 81 300 189 320 1020 585 47 14 4.1 0.17 0.00 10 359 78 243 211 359 1150 556 49 11 3.4 4.3 0.00 11 295 117 200 257 449 964 536 47 8.3 3.0 3.2 0.00 12 252 207 175 315 449 772 449 42 7.7 3.0 2.6 0.00 13 219 348 162 337 389 3420 402 35 7.7 2.5 2.1 0.50 14 192 331 159 337 337 4150 396 31 7.4 2.5 1.8 0.50 15 165 261 159 337 305 2320 507 26 7.4 2.5 1.5 0.50 16 150 203 300 315 280 1530 492 24 6.5 2.0 1.2 0.50 17 138 168 556 290 285 1250 408 27 5.6 2.0 1.5 0.50 18 136 150 536 266 275 1180 337 47 14 2.0 1.9 0.50 19 141 138 435 252 248 1220 305 76 29 1.5 1.7 0.50 20 147 125 348 243 227 1080 310 150 66 1.5 4.1 1.0 21 138 115 295 227 215 1060 315 295 67 1.5 5.5 1.0 22 130 110 261 211 207 1040 295 192 43 1.0 5.5 1.0 23 113 106 243 315 207 937 257 200 26 1.0 4.6 1.0 24 110 106 235 455 207 763 215 593 21 1.0 3.7 1.0 25 108 104 248 442 211 694 178 847 25 0.50 3.3 1.0 26 106 141 266 396 192 654 156 463 39 0.50 2.9 1.0 27 97 192 266 549 172 646 138 266 51 0.50 2.3 1.5 28 91 215 248 694 159 746 128 175 46 0.50 1.8 1.5 29 85 192 223 670 150 1260 115 128 31 0.00 1.4 1.5 30 83 162 207 556 --- 1520 101 91 20 0.00 0.94 1.5 31 81 --- 215 484 --- 1560 --- 67 --- 0.00 0.49 --- TOTAL 10467 4403 7572 9984 8649 32352 14226 4479 771.6 104.90 58.50 16.57 MEAN 338 147 244 322 298 1044 474 144 25.7 3.38 1.89 0.55 MAX 1290 348 556 694 470 4150 1250 847 67 16 5.5 1.5 MIN 81 78 113 172 150 130 101 24 5.6 0.00 0.00 0.00 CFSM 1.66 0.72 1.20 1.59 1.47 5.14 2.34 0.71 0.13 0.02 0.01 0.00 IN. 1.92 0.81 1.39 1.83 1.58 5.93 2.61 0.82 0.14 0.02 0.01 0.00 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1980 - 1980, BY WATER YEAR (WY) MEAN 338 147 244 322 298 1044 474 144 25.7 3.38 1.89 0.55 MAX 338 147 244 322 298 1044 474 144 25.7 3.38 1.89 0.55 (WY) 1980 1980 1980 1980 1980 1980 1980 1980 1980 1980 1980 1980 MIN 338 147 244 322 298 1044 474 144 25.7 3.38 1.89 0.55 (WY) 1980 1980 1980 1980 1980 1980 1980 1980 1980 1980 1980 1980 SUMMARY STATISTICS FOR 1979 CALENDAR YEAR FOR 1980 WATER YEAR ANNUAL TOTAL 96328.8 93083.57 ANNUAL MEAN 264 254 HIGHEST DAILY MEAN 2080 Sep 6 4150 Mar 14 LOWEST DAILY MEAN 5.6 Aug 22 0.00 Jul 29 ANNUAL SEVEN-DAY MINIMUM 9.1 Aug 16 0.00 Jul 29 ANNUAL RUNOFF (CFSM) 1.30 1.25 ANNUAL RUNOFF (INCHES) 17.65 17.06 10 PERCENT EXCEEDS 532 659 50 PERCENT EXCEEDS 192 134 90 PERCENT EXCEEDS 33 0.81 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02176500 COOSAWHATCHIE RIVER NEAR HAMPTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 049 LATITUDE 325010 LONGITUDE 0810755 NAD27 DRAINAGE AREA 203.00* CONTRIBUTING DRAINAGE AREA DATUM 50.30 NGVD29 Date Processed: 2005-04-11 11:59 By mishealy APPROVED DD #16, ,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 20 53 49 69 39 74 243 10 2.9 1.8 12 50 2 130 55 45 61 76 72 499 8.3 3.2 2.2 49 42 3 170 50 42 51 110 69 571 6.5 6.3 2.3 126 28 4 120 47 38 45 122 66 507 5.3 14 2.2 234 19 5 100 42 36 39 99 110 377 4.7 25 1.9 178 14 6 75 31 33 38 78 150 270 4.1 18 2.1 87 11 7 60 28 27 39 69 168 203 6.5 15 2.3 50 9.6 8 44 27 22 41 67 147 168 8.0 14 2.0 75 10 9 38 27 20 42 67 125 144 10 16 1.7 76 11 10 32 24 20 43 64 99 125 12 20 1.4 62 12 11 28 20 20 41 122 85 113 12 20 1.2 42 12 12 26 16 20 36 211 74 99 12 47 1.1 41 8.6 13 24 15 21 34 275 66 85 9.3 41 0.99 83 5.8 14 21 16 22 33 252 63 72 7.4 33 0.66 103 3.9 15 20 19 20 33 203 57 63 6.0 26 0.17 66 3.3 16 19 20 21 32 150 61 54 4.9 17 0.00 37 3.4 17 18 23 22 31 122 60 47 4.5 9.6 0.00 21 4.5 18 18 28 22 29 125 71 43 3.9 5.7 0.00 18 3.9 19 18 31 24 28 159 120 36 3.5 11 0.00 56 3.6 20 17 38 25 27 196 150 29 6.0 25 0.00 205 3.2 21 16 43 24 33 192 147 29 9.3 20 0.00 366 2.7 22 16 41 22 36 162 150 27 7.1 10 0.00 265 2.2 23 18 38 39 39 138 215 28 7.4 6.3 0.00 169 1.9 24 20 37 57 35 117 257 33 5.8 5.1 0.00 148 1.6 25 20 34 76 33 99 235 32 4.5 4.3 0.00 142 1.3 26 22 32 76 33 89 185 27 3.6 3.1 0.00 145 0.90 27 27 41 67 31 81 147 23 3.5 2.4 0.00 103 0.72 28 31 42 66 36 76 117 19 3.4 1.9 0.00 72 0.60 29 31 45 69 38 --- 99 15 3.3 1.5 0.00 61 0.48 30 39 49 78 41 --- 106 12 3.1 1.1 0.03 55 0.36 31 42 --- 79 42 --- 133 --- 2.9 --- 6.7 51 --- TOTAL 1280 1012 1202 1189 3560 3678 3993 198.8 425.4 30.75 3198 271.56 MEAN 41.3 33.7 38.8 38.4 127 119 133 6.41 14.2 0.99 103 9.05 MAX 170 55 79 69 275 257 571 12 47 6.7 366 50 MIN 16 15 20 27 39 57 12 2.9 1.1 0.00 12 0.36 CFSM 0.20 0.17 0.19 0.19 0.63 0.58 0.66 0.03 0.07 0.00 0.51 0.04 IN. 0.23 0.19 0.22 0.22 0.65 0.67 0.73 0.04 0.08 0.01 0.59 0.05 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1980 - 1981, BY WATER YEAR (WY) MEAN 189 90.2 142 180 214 581 304 75.4 19.9 2.19 52.5 4.80 MAX 338 147 244 322 298 1044 474 144 25.7 3.38 103 9.05 (WY) 1980 1980 1980 1980 1980 1980 1980 1980 1980 1980 1981 1981 MIN 41.3 33.7 38.8 38.4 127 119 133 6.41 14.2 0.99 1.89 0.55 (WY) 1981 1981 1981 1981 1981 1981 1981 1981 1981 1981 1980 1980 SUMMARY STATISTICS FOR 1980 CALENDAR YEAR FOR 1981 WATER YEAR WATER YEARS 1980 - 1981 ANNUAL TOTAL 74135.57 20038.51 ANNUAL MEAN 203 54.9 155 HIGHEST ANNUAL MEAN 254 1980 LOWEST ANNUAL MEAN 54.9 1981 HIGHEST DAILY MEAN 4150 Mar 14 571 Apr 3 4150 Mar 14 1980 LOWEST DAILY MEAN 0.00 Jul 29 0.00 Jul 16 0.00 Jul 29 1980 ANNUAL SEVEN-DAY MINIMUM 0.00 Jul 29 0.00 Jul 16 0.00 Jul 29 1980 ANNUAL RUNOFF (CFSM) 0.998 0.270 0.762 ANNUAL RUNOFF (INCHES) 13.59 3.67 10.36 10 PERCENT EXCEEDS 565 146 375 50 PERCENT EXCEEDS 40 31 47 90 PERCENT EXCEEDS 0.81 2.1 1.2 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02176500 COOSAWHATCHIE RIVER NEAR HAMPTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 049 LATITUDE 325010 LONGITUDE 0810755 NAD27 DRAINAGE AREA 203.00* CONTRIBUTING DRAINAGE AREA DATUM 50.30 NGVD29 Date Processed: 2005-04-11 11:59 By mishealy APPROVED DD #16, ,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 0.24 3.1 10 549 203 315 87 484 192 389 141 7.4 2 0.06 3.2 24 600 207 305 83 326 156 280 159 6.5 3 0.00 3.1 20 571 231 280 83 235 162 178 153 5.6 4 0.00 3.1 22 549 261 248 78 182 463 117 113 4.7 5 0.78 3.8 32 556 285 231 87 147 630 95 79 4.1 6 0.96 3.9 35 529 290 239 200 117 408 93 55 3.5 7 0.78 3.5 32 463 280 326 305 97 295 110 42 3.2 8 0.48 3.8 27 359 252 389 275 81 200 168 38 3.1 9 0.18 4.5 24 290 275 365 227 69 117 192 45 3.1 10 0.72 5.3 19 243 371 315 189 58 76 270 51 6.5 11 1.5 5.6 17 203 408 270 159 54 64 248 58 8.6 12 1.4 5.1 15 178 402 239 128 43 60 290 58 9.6 13 1.5 5.1 14 192 623 219 104 34 64 408 128 10 14 1.7 5.1 18 326 847 196 85 27 79 800 108 9.6 15 1.7 5.8 34 514 678 178 71 22 93 623 117 9.3 16 1.4 5.6 60 549 549 162 61 18 85 484 104 7.4 17 1.3 5.8 74 499 514 162 63 27 106 678 138 5.3 18 1.3 5.6 83 402 522 200 110 78 320 896 91 3.9 19 1.1 5.3 74 337 522 252 215 91 746 686 76 3.5 20 0.90 5.6 57 295 470 252 223 74 686 754 64 5.3 21 0.78 5.3 49 270 402 231 196 57 448 638 61 12 22 0.78 5.6 43 261 342 196 165 43 275 421 55 19 23 0.66 5.6 40 257 300 165 130 34 189 290 47 20 24 0.66 7.1 44 275 270 147 101 43 231 300 34 18 25 1.5 7.1 83 295 243 141 104 85 305 305 26 14 26 2.1 7.4 113 285 227 141 348 138 463 248 20 13 27 2.4 8.3 136 266 248 130 720 159 477 182 14 12 28 2.6 8.9 133 235 290 110 828 320 348 133 12 11 29 2.9 9.3 150 215 --- 97 694 529 295 110 11 10 30 3.1 9.3 150 203 --- 89 654 396 383 122 9.3 8.3 31 3.2 --- 295 200 --- 89 --- 261 --- 110 8.3 --- TOTAL 38.68 165.8 1927 10966 10512 6679 6773 4329 8416 10618 2115.6 257.5 MEAN 1.25 5.53 62.2 354 375 215 226 140 281 343 68.2 8.58 MAX 3.2 9.3 295 600 847 389 828 529 746 896 159 20 MIN 0.00 3.1 10 178 203 89 61 18 60 93 8.3 3.1 CFSM 0.01 0.03 0.31 1.74 1.85 1.06 1.11 0.69 1.38 1.69 0.34 0.04 IN. 0.01 0.03 0.35 2.01 1.93 1.22 1.24 0.79 1.54 1.95 0.39 0.05 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1980 - 1982, BY WATER YEAR (WY) MEAN 127 62.0 115 238 267 459 278 96.8 107 116 57.8 6.06 MAX 338 147 244 354 375 1044 474 144 281 343 103 9.05 (WY) 1980 1980 1980 1982 1982 1980 1980 1980 1982 1982 1981 1981 MIN 1.25 5.53 38.8 38.4 127 119 133 6.41 14.2 0.99 1.89 0.55 (WY) 1982 1982 1981 1981 1981 1981 1981 1981 1981 1981 1980 1980 SUMMARY STATISTICS FOR 1981 CALENDAR YEAR FOR 1982 WATER YEAR WATER YEARS 1980 - 1982 ANNUAL TOTAL 18675.99 62797.58 ANNUAL MEAN 51.2 172 161 HIGHEST ANNUAL MEAN 254 1980 LOWEST ANNUAL MEAN 54.9 1981 HIGHEST DAILY MEAN 571 Apr 3 896 Jul 18 4150 Mar 14 1980 LOWEST DAILY MEAN 0.00 Jul 16 0.00 Oct 3 0.00 Jul 29 1980 ANNUAL SEVEN-DAY MINIMUM 0.00 Jul 16 0.40 Oct 1 0.00 Jul 29 1980 ANNUAL RUNOFF (CFSM) 0.252 0.848 0.791 ANNUAL RUNOFF (INCHES) 3.42 11.51 10.74 10 PERCENT EXCEEDS 147 463 408 50 PERCENT EXCEEDS 20 106 65 90 PERCENT EXCEEDS 0.94 3.2 1.5 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02176500 COOSAWHATCHIE RIVER NEAR HAMPTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 049 LATITUDE 325010 LONGITUDE 0810755 NAD27 DRAINAGE AREA 203.00* CONTRIBUTING DRAINAGE AREA DATUM 50.30 NGVD29 Date Processed: 2005-04-11 11:59 By mishealy APPROVED DD #16, ,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 6.3 4.9 15 235 463 585 711 248 10 377 8.9 2.6 2 4.9 5.3 15 428 571 646 686 211 8.0 477 9.6 4.7 3 4.1 5.1 16 772 1020 623 607 189 6.8 354 12 12 4 3.5 7.7 17 678 926 549 529 200 6.0 257 36 14 5 3.5 12 18 463 711 477 455 211 5.8 421 41 10 6 3.5 14 24 331 571 654 402 200 36 408 46 6.5 7 3.4 15 26 243 492 1340 359 165 196 337 45 4.3 8 3.5 15 34 196 442 1530 348 130 564 239 37 2.9 9 3.8 13 38 231 396 1230 389 110 623 203 26 2.3 10 4.5 12 30 694 354 989 522 97 507 133 15 2.2 11 6.0 10 28 818 331 781 564 87 295 91 9.6 2.0 12 7.4 9.6 79 638 326 638 536 76 182 76 7.1 1.7 13 7.1 10 125 455 342 549 435 66 117 69 5.3 1.3 14 11 10 128 342 856 477 354 58 74 64 3.9 1.4 15 10 10 99 280 1300 428 331 51 53 55 3.5 2.2 16 10 11 85 243 1210 408 507 45 38 41 3.4 2.8 17 8.9 11 81 215 1170 654 585 41 30 32 3.1 2.8 18 6.8 16 76 192 1210 1180 492 51 24 30 2.7 2.5 19 5.6 12 64 175 1070 1200 470 58 18 26 2.5 2.2 20 5.1 11 57 159 847 1050 455 49 15 21 2.5 3.1 21 4.5 11 49 211 670 886 408 44 13 16 2.2 3.5 22 4.7 12 45 499 571 737 342 39 270 12 1.7 4.9 23 5.1 11 39 670 772 630 470 36 1090 16 1.3 5.1 24 6.3 11 35 623 947 578 1040 51 998 23 0.84 4.5 25 6.5 11 35 507 937 746 1090 67 593 27 1.0 3.4 26 6.8 11 35 408 772 866 866 47 320 22 2.9 2.7 27 6.3 12 34 354 638 866 638 32 185 26 4.9 2.3 28 6.3 13 37 536 542 916 484 24 122 24 4.5 1.9 29 5.8 13 44 703 --- 856 377 18 153 17 4.1 1.9 30 5.1 15 78 646 --- 728 300 15 435 12 3.1 1.8 31 4.7 --- 165 549 --- 670 --- 12 --- 9.6 2.4 --- TOTAL 181.0 334.6 1651 13494 20457 24467 15752 2728 6987.6 3915.6 349.04 115.5 MEAN 5.84 11.2 53.3 435 731 789 525 88.0 233 126 11.3 3.85 MAX 11 16 165 818 1300 1530 1090 248 1090 477 46 14 MIN 3.4 4.9 15 159 326 408 300 12 5.8 9.6 0.84 1.3 CFSM 0.03 0.05 0.26 2.14 3.60 3.89 2.59 0.43 1.15 0.62 0.06 0.02 IN. 0.03 0.06 0.30 2.47 3.75 4.48 2.89 0.50 1.28 0.72 0.06 0.02 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1980 - 1983, BY WATER YEAR (WY) MEAN 96.5 49.3 99.6 287 382 542 340 94.6 138 118 46.1 5.51 MAX 338 147 244 435 731 1044 525 144 281 343 103 9.05 (WY) 1980 1980 1980 1983 1983 1980 1983 1980 1982 1982 1981 1981 MIN 1.25 5.53 38.8 38.4 127 119 133 6.41 14.2 0.99 1.89 0.55 (WY) 1982 1982 1981 1981 1981 1981 1981 1981 1981 1981 1980 1980 SUMMARY STATISTICS FOR 1982 CALENDAR YEAR FOR 1983 WATER YEAR WATER YEARS 1980 - 1983 ANNUAL TOTAL 62832.7 90432.34 ANNUAL MEAN 172 248 182 HIGHEST ANNUAL MEAN 254 1980 LOWEST ANNUAL MEAN 54.9 1981 HIGHEST DAILY MEAN 896 Jul 18 1530 Mar 8 4150 Mar 14 1980 LOWEST DAILY MEAN 3.1 Sep 8 0.84 Aug 24 0.00 Jul 29 1980 ANNUAL SEVEN-DAY MINIMUM 3.6 Oct 3 1.7 Aug 19 0.00 Jul 29 1980 ANNUAL RUNOFF (CFSM) 0.848 1.22 0.898 ANNUAL RUNOFF (INCHES) 11.51 16.57 12.20 10 PERCENT EXCEEDS 463 718 536 50 PERCENT EXCEEDS 104 51 62 90 PERCENT EXCEEDS 6.4 3.5 2.2 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02176500 COOSAWHATCHIE RIVER NEAR HAMPTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 049 LATITUDE 325010 LONGITUDE 0810755 NAD27 DRAINAGE AREA 203.00* CONTRIBUTING DRAINAGE AREA DATUM 50.30 NGVD29 Date Processed: 2005-04-11 11:59 By mishealy APPROVED DD #16, ,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 1.7 2.4 67 232 341 873 359 231 522 768 931 20 2 1.5 2.3 54 177 290 642 300 302 334 553 709 15 3 0.96 2.3 55 148 257 495 277 318 215 366 661 12 4 0.55 2.3 58 134 237 410 319 590 141 241 608 10 5 0.53 2.5 89 127 223 362 395 1000 99 168 419 9.4 6 0.68 2.7 116 122 207 534 470 878 69 126 285 8.6 7 0.57 3.2 126 116 185 909 509 655 49 109 200 9.8 8 0.42 4.7 119 110 169 940 421 483 37 91 152 8.9 9 0.58 5.1 105 104 158 766 357 494 29 74 120 7.0 10 1.0 5.7 87 121 153 606 605 517 22 55 98 9.9 11 0.85 5.8 121 158 150 489 722 407 16 40 79 8.8 12 1.1 5.8 162 182 146 414 599 309 13 31 73 7.4 13 1.2 6.0 191 167 158 410 469 231 14 25 67 6.0 14 1.4 6.2 168 146 239 466 377 176 29 20 57 4.4 15 1.5 7.3 145 131 322 492 304 137 45 17 46 5.4 16 1.5 8.2 131 131 328 480 250 107 33 19 35 18 17 1.4 7.4 116 134 293 412 209 84 20 15 35 33 18 1.3 8.1 120 147 242 356 178 66 13 22 33 26 19 1.1 9.2 132 232 204 318 155 52 9.4 57 40 16 20 1.0 16 136 342 181 290 148 40 7.4 97 74 11 21 1.0 18 141 346 166 285 176 33 19 152 90 8.4 22 1.0 14 156 293 158 285 204 26 464 266 83 6.7 23 1.4 15 171 231 199 290 426 22 742 188 67 5.2 24 1.7 24 163 215 243 263 924 25 579 141 126 4.7 25 2.2 67 141 291 238 289 832 41 297 108 119 4.0 26 3.4 84 135 371 204 452 596 34 238 84 85 3.9 27 3.5 102 102 504 356 526 430 39 216 242 59 3.6 28 3.2 108 118 695 990 492 337 66 220 365 44 4.0 29 2.9 93 194 678 1050 499 286 264 338 454 40 29 30 2.7 79 273 554 --- 479 251 728 719 1020 39 47 31 2.4 --- 286 424 --- 429 --- 748 --- 1140 30 --- TOTAL 46.24 717.2 4178 7763 8087 14953 11885 9103 5548.8 7054 5504 363.1 MEAN 1.49 23.9 135 250 279 482 396 294 185 228 178 12.1 MAX 3.5 108 286 695 1050 940 924 1000 742 1140 931 47 MIN 0.42 2.3 54 104 146 263 148 22 7.4 15 30 3.6 CFSM 0.01 0.12 0.66 1.23 1.37 2.38 1.95 1.45 0.91 1.12 0.87 0.06 IN. 0.01 0.13 0.77 1.42 1.48 2.74 2.18 1.67 1.02 1.29 1.01 0.07 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1980 - 1984, BY WATER YEAR (WY) MEAN 77.5 44.2 107 280 361 530 351 134 148 140 72.4 6.83 MAX 338 147 244 435 731 1044 525 294 281 343 178 12.1 (WY) 1980 1980 1980 1983 1983 1980 1983 1984 1982 1982 1984 1984 MIN 1.25 5.53 38.8 38.4 127 119 133 6.41 14.2 0.99 1.89 0.55 (WY) 1982 1982 1981 1981 1981 1981 1981 1981 1981 1981 1980 1980 SUMMARY STATISTICS FOR 1983 CALENDAR YEAR FOR 1984 WATER YEAR WATER YEARS 1980 - 1984 ANNUAL TOTAL 93207.18 75202.34 ANNUAL MEAN 255 205 187 HIGHEST ANNUAL MEAN 254 1980 LOWEST ANNUAL MEAN 54.9 1981 HIGHEST DAILY MEAN 1530 Mar 8 1140 Jul 31 4150 Mar 14 1980 LOWEST DAILY MEAN 0.42 Oct 8 0.42 Oct 8 0.00 Jul 29 1980 ANNUAL SEVEN-DAY MINIMUM 0.61 Oct 3 0.61 Oct 3 0.00 Jul 29 1980 ANNUAL RUNOFF (CFSM) 1.26 1.01 0.921 ANNUAL RUNOFF (INCHES) 17.08 13.78 12.51 10 PERCENT EXCEEDS 718 523 530 50 PERCENT EXCEEDS 97 131 74 90 PERCENT EXCEEDS 2.2 3.3 2.4 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02176500 COOSAWHATCHIE RIVER NEAR HAMPTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 049 LATITUDE 325010 LONGITUDE 0810755 NAD27 DRAINAGE AREA 203.00* CONTRIBUTING DRAINAGE AREA DATUM 50.30 NGVD29 Date Processed: 2005-04-11 11:59 By mishealy APPROVED DD #16, ,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 64 7.7 22 18 32 126 29 3.1 3.0 24 250 734 2 57 7.0 24 19 43 115 24 2.9 2.4 40 190 572 3 46 6.6 23 35 53 101 19 3.0 2.0 19 135 420 4 29 7.8 22 92 61 91 18 3.2 1.4 15 122 349 5 18 9.1 34 129 103 83 14 3.7 1.0 20 95 273 6 13 9.8 51 136 438 72 19 4.0 0.64 15 62 194 7 9.9 8.8 64 112 746 62 26 3.3 1.0 10 47 151 8 8.5 7.6 66 74 590 58 31 3.1 3.1 8.3 114 132 9 7.1 6.8 56 53 375 53 23 2.8 4.2 5.7 248 98 10 6.0 6.3 43 44 236 50 16 3.0 7.6 3.8 426 74 11 5.1 6.6 36 40 169 48 13 3.2 7.0 2.8 375 56 12 4.5 7.0 33 37 162 48 12 4.0 5.0 6.6 226 45 13 4.2 5.7 31 33 149 45 16 6.5 5.0 12 136 36 14 3.8 5.6 28 32 135 42 26 7.8 4.6 5.1 91 31 15 3.5 6.2 26 34 126 38 35 9.0 3.5 3.3 62 27 16 3.3 7.0 26 28 114 42 73 6.2 19 2.5 45 23 17 3.3 7.3 25 26 103 68 68 6.1 21 5.6 36 20 18 3.9 6.8 24 29 96 92 51 5.9 29 47 37 17 19 4.3 7.0 24 31 91 90 35 4.1 22 95 32 15 20 4.4 7.7 24 31 89 70 23 3.1 11 98 26 14 21 5.7 6.5 23 31 88 60 17 2.4 6.2 73 26 18 22 9.3 7.6 23 28 88 65 12 2.9 4.0 39 28 19 23 8.6 8.4 23 23 88 85 9.5 5.2 2.6 134 28 16 24 7.5 8.8 22 24 85 86 7.9 5.5 1.8 163 59 15 25 6.4 9.1 23 27 80 68 7.2 8.1 1.3 122 85 17 26 5.7 9.5 22 28 77 61 6.8 6.5 0.98 67 197 15 27 5.5 9.8 20 24 101 54 6.3 4.4 0.68 51 474 14 28 5.5 13 20 24 124 46 4.8 2.9 0.50 50 439 12 29 6.6 17 20 25 --- 40 3.9 2.0 0.62 143 388 9.4 30 8.1 19 20 25 --- 35 3.3 2.2 2.8 290 546 9.2 31 8.3 --- 19 29 --- 32 --- 2.9 --- 346 940 --- TOTAL 376.0 253.1 917 1321 4642 2026 649.7 133.0 174.92 1916.7 5965 3425.6 MEAN 12.1 8.44 29.6 42.6 166 65.4 21.7 4.29 5.83 61.8 192 114 MAX 64 19 66 136 746 126 73 9.0 29 346 940 734 MIN 3.3 5.6 19 18 32 32 3.3 2.0 0.50 2.5 26 9.2 CFSM 0.06 0.04 0.15 0.21 0.82 0.32 0.11 0.02 0.03 0.30 0.95 0.56 IN. 0.07 0.05 0.17 0.24 0.85 0.37 0.12 0.02 0.03 0.35 1.09 0.63 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1980 - 1985, BY WATER YEAR (WY) MEAN 66.6 38.3 93.8 240 329 452 296 113 124 127 92.4 24.7 MAX 338 147 244 435 731 1044 525 294 281 343 192 114 (WY) 1980 1980 1980 1983 1983 1980 1983 1984 1982 1982 1985 1985 MIN 1.25 5.53 29.6 38.4 127 65.4 21.7 4.29 5.83 0.99 1.89 0.55 (WY) 1982 1982 1985 1981 1981 1985 1985 1985 1985 1981 1980 1980 SUMMARY STATISTICS FOR 1984 CALENDAR YEAR FOR 1985 WATER YEAR WATER YEARS 1980 - 1985 ANNUAL TOTAL 71807.0 21800.02 ANNUAL MEAN 196 59.7 166 HIGHEST ANNUAL MEAN 254 1980 LOWEST ANNUAL MEAN 54.9 1981 HIGHEST DAILY MEAN 1140 Jul 31 940 Aug 31 4150 Mar 14 1980 LOWEST DAILY MEAN 3.3 Oct 16 0.50 Jun 28 0.00 Jul 29 1980 ANNUAL SEVEN-DAY MINIMUM 3.8 Oct 13 1.2 Jun 23 0.00 Jul 29 1980 ANNUAL RUNOFF (CFSM) 0.966 0.294 0.817 ANNUAL RUNOFF (INCHES) 13.16 3.99 11.09 10 PERCENT EXCEEDS 523 133 484 50 PERCENT EXCEEDS 98 23 54 90 PERCENT EXCEEDS 6.9 3.3 2.8 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02176500 COOSAWHATCHIE RIVER NEAR HAMPTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 049 LATITUDE 325010 LONGITUDE 0810755 NAD27 DRAINAGE AREA 203.00* CONTRIBUTING DRAINAGE AREA DATUM 50.30 NGVD29 Date Processed: 2005-04-11 11:59 By mishealy APPROVED DD #16, ,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 11 74 398 252 214 312 153 7.2 2.2 7.1 0.00 404 2 13 124 429 236 214 280 140 6.3 1.9 4.0 0.00 312 3 18 156 475 226 196 246 128 5.1 1.4 3.0 0.00 205 4 25 218 461 221 188 225 115 4.3 1.2 2.4 0.00 140 5 27 213 416 218 200 209 107 4.2 1.6 2.2 0.64 116 6 22 170 437 207 267 198 98 4.0 2.0 1.8 2.6 112 7 16 159 448 194 524 186 91 4.4 2.3 1.3 9.0 118 8 12 126 419 180 624 172 88 4.9 1.6 0.95 18 108 9 8.9 96 374 170 526 162 124 8.0 1.7 0.72 24 84 10 8.2 75 331 182 649 155 164 11 4.5 0.56 26 66 11 10 62 305 290 1890 154 148 11 26 0.37 25 53 12 14 65 289 413 2100 154 114 9.3 53 0.13 15 47 13 17 135 673 419 1440 161 95 12 23 0.02 25 40 14 18 202 1730 352 992 372 81 48 12 0.00 56 29 15 17 192 1840 298 779 885 68 76 7.5 0.00 63 21 16 14 173 1210 259 649 949 58 46 15 0.00 75 16 17 12 139 865 231 554 721 47 26 56 0.00 55 16 18 10 119 673 215 490 537 39 17 65 0.00 52 12 19 10 107 538 212 446 428 34 13 37 0.00 114 10 20 11 318 460 237 408 377 31 15 20 0.00 119 8.3 21 14 965 407 230 378 382 30 31 12 0.00 110 6.8 22 17 1630 370 213 350 385 27 17 6.7 0.00 95 5.4 23 15 2340 348 199 331 351 23 9.6 4.2 0.00 85 4.3 24 14 1940 330 189 310 304 19 6.5 3.1 0.00 62 3.8 25 12 1250 305 190 284 265 16 4.4 2.4 0.00 57 3.3 26 10 862 282 208 265 242 15 3.6 2.0 0.00 33 2.6 27 9.7 673 263 245 263 226 13 2.5 2.5 0.00 23 2.1 28 12 553 254 246 308 212 12 1.9 19 0.00 36 1.5 29 13 470 262 227 --- 198 10 2.3 55 0.00 81 1.0 30 14 414 271 218 --- 182 8.9 2.5 20 0.00 147 0.74 31 32 --- 267 215 --- 167 --- 2.3 --- 0.00 348 --- TOTAL 456.8 14020 16130 7392 15839 9797 2096.9 416.3 461.8 24.55 1756.24 1948.84 MEAN 14.7 467 520 238 566 316 69.9 13.4 15.4 0.79 56.7 65.0 MAX 32 2340 1840 419 2100 949 164 76 65 7.1 348 404 MIN 8.2 62 254 170 188 154 8.9 1.9 1.2 0.00 0.00 0.74 CFSM 0.07 2.30 2.56 1.17 2.79 1.56 0.34 0.07 0.08 0.00 0.28 0.32 IN. 0.08 2.57 2.96 1.35 2.90 1.80 0.38 0.08 0.08 0.00 0.32 0.36 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1980 - 1986, BY WATER YEAR (WY) MEAN 59.2 99.6 155 240 362 433 264 98.6 109 109 87.3 30.5 MAX 338 467 520 435 731 1044 525 294 281 343 192 114 (WY) 1980 1986 1986 1983 1983 1980 1983 1984 1982 1982 1985 1985 MIN 1.25 5.53 29.6 38.4 127 65.4 21.7 4.29 5.83 0.79 1.89 0.55 (WY) 1982 1982 1985 1981 1981 1985 1985 1985 1985 1986 1980 1980 SUMMARY STATISTICS FOR 1985 CALENDAR YEAR FOR 1986 WATER YEAR WATER YEARS 1980 - 1986 ANNUAL TOTAL 50860.72 70339.43 ANNUAL MEAN 139 193 170 HIGHEST ANNUAL MEAN 254 1980 LOWEST ANNUAL MEAN 54.9 1981 HIGHEST DAILY MEAN 2340 Nov 23 2340 Nov 23 4150 Mar 14 1980 LOWEST DAILY MEAN 0.50 Jun 28 0.00 Jul 14 0.00 Jul 29 1980 ANNUAL SEVEN-DAY MINIMUM 1.2 Jun 23 0.00 Jul 14 0.00 Jul 29 1980 ANNUAL RUNOFF (CFSM) 0.686 0.949 0.836 ANNUAL RUNOFF (INCHES) 9.32 12.89 11.35 10 PERCENT EXCEEDS 410 447 479 50 PERCENT EXCEEDS 36 68 56 90 PERCENT EXCEEDS 3.4 1.6 2.5 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02176500 COOSAWHATCHIE RIVER NEAR HAMPTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 049 LATITUDE 325010 LONGITUDE 0810755 NAD27 DRAINAGE AREA 203.00* CONTRIBUTING DRAINAGE AREA DATUM 50.30 NGVD29 Date Processed: 2005-04-11 11:59 By mishealy APPROVED DD #16, ,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 0.61 4.4 135 272 420 1240 773 27 9.8 126 4.5 1.5 2 0.45 5.2 237 522 395 1960 673 22 7.4 97 13 5.4 3 0.35 7.2 298 565 409 1560 557 18 5.5 338 10 35 4 0.30 9.8 273 460 422 1080 487 16 15 921 7.7 65 5 0.31 11 221 383 398 809 433 20 32 863 6.5 97 6 0.28 13 169 359 363 657 384 24 26 617 5.3 161 7 0.17 13 135 332 417 554 341 33 27 411 23 203 8 0.11 11 116 287 580 567 306 31 16 309 9.7 238 9 0.09 11 105 249 640 674 278 22 8.9 294 6.0 203 10 0.18 10 105 245 555 676 250 16 5.3 203 7.4 131 11 0.17 8.7 143 272 448 592 225 12 3.6 148 12 95 12 0.46 8.3 267 289 382 506 204 9.6 2.6 150 10 103 13 1.7 7.7 440 270 339 441 184 12 2.1 160 8.5 110 14 2.8 6.9 457 232 311 395 166 33 4.4 144 7.4 97 15 3.1 6.8 373 209 289 361 156 64 6.9 104 5.4 73 16 3.4 7.1 283 214 327 333 147 97 9.7 70 4.2 56 17 3.8 15 224 330 469 309 139 86 14 48 3.1 40 18 3.9 24 193 532 532 292 132 66 13 41 2.7 28 19 3.5 32 176 663 485 375 131 48 367 33 2.3 23 20 2.9 99 166 747 409 508 126 72 771 23 1.9 39 21 2.5 205 155 722 372 492 117 188 742 16 2.0 90 22 2.2 274 144 1190 388 416 105 254 441 12 2.1 105 23 1.9 229 142 1660 505 355 94 172 296 9.3 2.0 71 24 1.8 146 184 1320 552 312 83 135 224 7.2 1.7 41 25 1.6 96 244 984 488 393 73 110 184 5.6 1.2 25 26 1.7 72 256 861 417 780 60 61 339 5.3 0.85 17 27 1.8 61 225 783 438 826 53 49 528 7.2 0.66 11 28 2.0 62 192 688 596 704 47 52 478 7.0 0.50 8.4 29 2.3 62 165 585 --- 583 39 36 324 7.3 0.43 9.3 30 2.9 87 147 513 --- 612 32 24 196 7.0 0.77 25 31 2.8 --- 135 460 --- 761 --- 16 --- 5.0 0.92 --- TOTAL 52.08 1605.1 6505 17198 12346 20123 6795 1825.6 5099.2 5188.9 163.73 2206.6 MEAN 1.68 53.5 210 555 441 649 226 58.9 170 167 5.28 73.6 MAX 3.9 274 457 1660 640 1960 773 254 771 921 23 238 MIN 0.09 4.4 105 209 289 292 32 9.6 2.1 5.0 0.43 1.5 CFSM 0.01 0.26 1.03 2.73 2.17 3.20 1.12 0.29 0.84 0.82 0.03 0.36 IN. 0.01 0.29 1.19 3.15 2.26 3.69 1.25 0.33 0.93 0.95 0.03 0.40 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1980 - 1987, BY WATER YEAR (WY) MEAN 52.0 93.8 162 279 372 460 259 93.6 116 116 77.1 35.9 MAX 338 467 520 555 731 1044 525 294 281 343 192 114 (WY) 1980 1986 1986 1987 1983 1980 1983 1984 1982 1982 1985 1985 MIN 1.25 5.53 29.6 38.4 127 65.4 21.7 4.29 5.83 0.79 1.89 0.55 (WY) 1982 1982 1985 1981 1981 1985 1985 1985 1985 1986 1980 1980 SUMMARY STATISTICS FOR 1986 CALENDAR YEAR FOR 1987 WATER YEAR WATER YEARS 1980 - 1987 ANNUAL TOTAL 47894.81 79108.21 ANNUAL MEAN 131 217 175 HIGHEST ANNUAL MEAN 254 1980 LOWEST ANNUAL MEAN 54.9 1981 HIGHEST DAILY MEAN 2100 Feb 12 1960 Mar 2 4150 Mar 14 1980 LOWEST DAILY MEAN 0.00 Jul 14 0.09 Oct 9 0.00 Jul 29 1980 ANNUAL SEVEN-DAY MINIMUM 0.00 Jul 14 0.19 Oct 5 0.00 Jul 29 1980 ANNUAL RUNOFF (CFSM) 0.646 1.07 0.865 ANNUAL RUNOFF (INCHES) 8.78 14.50 11.75 10 PERCENT EXCEEDS 312 572 493 50 PERCENT EXCEEDS 46 105 60 90 PERCENT EXCEEDS 0.52 2.4 2.5 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02176500 COOSAWHATCHIE RIVER NEAR HAMPTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 049 LATITUDE 325010 LONGITUDE 0810755 NAD27 DRAINAGE AREA 203.00* CONTRIBUTING DRAINAGE AREA DATUM 50.30 NGVD29 Date Processed: 2005-04-11 11:59 By mishealy APPROVED DD #16, ,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 31 7.7 27 28 44 56 42 123 4.9 16 1.7 594 2 23 7.1 24 37 44 52 40 96 3.3 9.3 1.1 355 3 18 6.2 20 72 44 50 36 72 2.3 7.4 0.93 253 4 12 5.9 20 121 55 83 34 56 1.7 6.2 4.9 194 5 7.9 5.8 19 136 69 129 37 61 1.2 4.4 29 342 6 5.8 5.5 15 119 70 149 34 84 1.0 3.1 66 506 7 5.0 4.9 14 93 59 136 47 76 0.85 2.4 32 452 8 4.3 4.9 13 99 50 108 65 58 0.77 1.8 23 350 9 3.6 5.0 14 101 44 130 51 41 1.4 1.3 30 591 10 2.9 5.2 17 103 40 283 39 30 44 0.85 57 1140 11 2.6 5.8 22 98 38 389 30 38 69 0.56 54 1030 12 2.7 6.3 22 87 41 366 33 32 88 0.52 48 780 13 2.7 6.2 22 75 43 280 52 69 57 0.42 24 532 14 2.6 7.2 21 62 37 196 66 111 30 0.40 15 367 15 2.6 7.8 24 53 37 148 65 97 16 0.24 13 266 16 2.4 7.7 31 49 45 121 51 80 8.5 0.08 19 203 17 2.5 8.8 31 48 40 105 34 136 5.3 0.00 15 182 18 2.7 14 33 59 41 97 26 217 4.8 0.00 9.9 398 19 2.8 18 33 73 95 103 113 226 4.5 0.00 6.5 864 20 3.0 21 29 93 197 109 254 165 2.5 0.00 4.2 759 21 3.3 26 29 104 305 109 276 110 1.8 0.02 2.8 528 22 3.2 23 30 103 289 100 190 68 1.5 0.14 2.5 372 23 3.1 20 31 95 211 91 123 45 1.0 0.96 25 273 24 2.9 18 33 74 149 83 210 39 0.71 11 70 207 25 2.9 18 37 64 112 76 302 45 0.55 27 49 174 26 3.0 18 37 66 92 74 372 41 0.67 21 26 232 27 4.8 19 33 61 78 71 411 44 2.3 11 14 425 28 5.2 23 32 57 68 64 344 27 3.8 8.2 41 515 29 5.6 25 36 52 60 58 254 17 9.3 4.8 122 419 30 6.4 26 31 49 --- 53 171 11 18 3.3 248 313 31 7.4 --- 28 46 --- 46 --- 7.6 --- 2.5 733 --- TOTAL 187.9 377.0 808 2377 2497 3915 3802 2322.6 386.65 144.89 1787.53 13616 MEAN 6.06 12.6 26.1 76.7 86.1 126 127 74.9 12.9 4.67 57.7 454 MAX 31 26 37 136 305 389 411 226 88 27 733 1140 MIN 2.4 4.9 13 28 37 46 26 7.6 0.55 0.00 0.93 174 CFSM 0.03 0.06 0.13 0.38 0.42 0.62 0.62 0.37 0.06 0.02 0.28 2.24 IN. 0.03 0.07 0.15 0.44 0.46 0.72 0.70 0.43 0.07 0.03 0.33 2.50 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1980 - 1988, BY WATER YEAR (WY) MEAN 46.9 84.8 147 257 340 423 244 91.5 105 104 74.9 82.3 MAX 338 467 520 555 731 1044 525 294 281 343 192 454 (WY) 1980 1986 1986 1987 1983 1980 1983 1984 1982 1982 1985 1988 MIN 1.25 5.53 26.1 38.4 86.1 65.4 21.7 4.29 5.83 0.79 1.89 0.55 (WY) 1982 1982 1988 1981 1988 1985 1985 1985 1985 1986 1980 1980 SUMMARY STATISTICS FOR 1987 CALENDAR YEAR FOR 1988 WATER YEAR WATER YEARS 1980 - 1988 ANNUAL TOTAL 72318.93 32221.57 ANNUAL MEAN 198 88.0 166 HIGHEST ANNUAL MEAN 254 1980 LOWEST ANNUAL MEAN 54.9 1981 HIGHEST DAILY MEAN 1960 Mar 2 1140 Sep 10 4150 Mar 14 1980 LOWEST DAILY MEAN 0.43 Aug 29 0.00 Jul 17 0.00 Jul 29 1980 ANNUAL SEVEN-DAY MINIMUM 0.76 Aug 25 0.03 Jul 16 0.00 Jul 29 1980 ANNUAL RUNOFF (CFSM) 0.976 0.434 0.817 ANNUAL RUNOFF (INCHES) 13.25 5.90 11.09 10 PERCENT EXCEEDS 572 254 474 50 PERCENT EXCEEDS 37 37 54 90 PERCENT EXCEEDS 3.6 2.5 2.5 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02176500 COOSAWHATCHIE RIVER NEAR HAMPTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 049 LATITUDE 325010 LONGITUDE 0810755 NAD27 DRAINAGE AREA 203.00* CONTRIBUTING DRAINAGE AREA DATUM 50.30 NGVD29 Date Processed: 2005-04-11 11:59 By mishealy APPROVED DD #16, ,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 1 242 60 73 109 73 115 104 37 2.9 16 30 93 2 195 62 75 165 78 135 87 86 2.0 18 35 107 3 176 64 73 222 76 290 74 106 1.6 11 29 155 4 226 65 67 240 72 485 65 93 1.5 9.9 24 120 5 312 85 62 226 67 503 57 72 0.82 20 19 128 6 317 111 59 202 63 433 52 72 1.0 58 13 129 7 264 137 58 188 65 422 52 81 2.6 104 8.9 128 8 197 135 57 158 66 370 52 68 4.9 100 6.5 120 9 154 122 57 134 63 306 115 53 8.3 65 7.0 99 10 129 108 57 124 57 270 298 91 11 29 6.5 73 11 116 99 59 117 53 234 749 138 11 17 6.9 52 12 107 89 65 112 49 201 843 143 9.0 11 6.6 36 13 91 83 71 109 46 178 690 109 6.9 13 5.5 26 14 77 78 72 103 46 159 518 75 5.3 17 6.7 21 15 67 75 70 98 47 146 402 54 3.6 39 10 20 16 62 72 79 99 46 134 366 41 4.3 42 26 38 17 60 71 90 100 43 125 349 29 9.5 45 60 63 18 58 70 97 100 43 123 303 21 19 51 111 85 19 53 67 97 98 45 122 239 15 30 43 194 77 20 49 66 91 95 44 146 194 12 42 66 110 55 21 64 70 83 88 58 140 171 9.9 38 88 59 155 22 76 67 80 82 124 125 166 7.0 38 84 39 705 23 88 70 76 77 207 135 150 6.2 27 106 28 1130 24 87 78 73 70 223 182 126 6.7 19 141 21 1120 25 82 87 70 67 183 229 103 4.8 27 180 22 814 26 71 92 65 64 146 235 82 6.3 38 126 26 571 27 60 92 61 65 127 202 64 4.6 25 80 59 394 28 55 93 59 63 116 169 49 4.0 15 51 108 292 29 58 86 59 62 --- 141 39 3.5 15 34 83 218 30 56 76 54 63 --- 123 36 4.1 13 35 67 175 31 56 --- 58 69 --- 113 --- 3.9 --- 39 117 --- TOTAL 3705 2530 2167 3569 2326 6691 6595 1457.0 432.22 1738.9 1344.6 7199 MEAN 120 84.3 69.9 115 83.1 216 220 47.0 14.4 56.1 43.4 240 MAX 317 137 97 240 223 503 843 143 42 180 194 1130 MIN 49 60 54 62 43 113 36 3.5 0.82 9.9 5.5 20 CFSM 0.59 0.42 0.34 0.57 0.41 1.06 1.08 0.23 0.07 0.28 0.21 1.18 IN. 0.68 0.46 0.40 0.65 0.43 1.23 1.21 0.27 0.08 0.32 0.25 1.32 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1980 - 1989, BY WATER YEAR (WY) MEAN 54.2 84.7 139 243 314 402 242 87.1 95.7 99.2 71.7 98.1 MAX 338 467 520 555 731 1044 525 294 281 343 192 454 (WY) 1980 1986 1986 1987 1983 1980 1983 1984 1982 1982 1985 1988 MIN 1.25 5.53 26.1 38.4 83.1 65.4 21.7 4.29 5.83 0.79 1.89 0.55 (WY) 1982 1982 1988 1981 1989 1985 1985 1985 1985 1986 1980 1980 SUMMARY STATISTICS FOR 1988 CALENDAR YEAR FOR 1989 WATER YEAR WATER YEARS 1980 - 1989 ANNUAL TOTAL 39250.67 39754.72 ANNUAL MEAN 107 109 160 HIGHEST ANNUAL MEAN 254 1980 LOWEST ANNUAL MEAN 54.9 1981 HIGHEST DAILY MEAN 1140 Sep 10 1130 Sep 23 4150 Mar 14 1980 LOWEST DAILY MEAN 0.00 Jul 17 0.82 Jun 5 0.00 Jul 29 1980 ANNUAL SEVEN-DAY MINIMUM 0.03 Jul 16 1.8 Jun 1 0.00 Jul 29 1980 ANNUAL RUNOFF (CFSM) 0.528 0.537 0.789 ANNUAL RUNOFF (INCHES) 7.19 7.29 10.71 10 PERCENT EXCEEDS 268 222 455 50 PERCENT EXCEEDS 65 72 59 90 PERCENT EXCEEDS 2.5 11 2.8 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02176500 COOSAWHATCHIE RIVER NEAR HAMPTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 049 LATITUDE 325010 LONGITUDE 0810755 NAD27 DRAINAGE AREA 203.00* CONTRIBUTING DRAINAGE AREA DATUM 50.30 NGVD29 Date Processed: 2005-04-11 11:59 By mishealy APPROVED DD #16, ,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 1 159 44 165 269 255 232 475 73 32 0.62 0.00 3.2 2 267 51 149 285 241 214 396 47 18 0.35 0.00 2.2 3 486 84 136 284 229 207 317 29 12 0.09 0.00 1.5 4 538 126 124 272 221 200 238 21 8.6 0.01 0.00 1.9 5 446 128 115 251 210 186 180 18 6.4 0.00 0.00 1.5 6 312 110 109 466 197 172 142 14 4.0 0.00 0.00 1.0 7 217 98 108 817 187 158 123 10 3.3 0.00 0.00 0.88 8 165 88 223 1320 176 146 108 9.1 2.9 0.00 0.01 1.8 9 135 84 678 1270 167 142 97 8.7 7.3 0.00 0.43 2.6 10 122 81 842 1000 170 143 89 10 14 0.00 2.0 2.7 11 122 78 768 793 202 148 88 11 37 0.00 3.5 3.4 12 126 77 644 648 236 145 87 9.0 76 0.00 3.8 3.4 13 127 77 634 537 231 137 82 7.2 63 0.00 3.0 2.8 14 119 70 638 461 205 128 79 6.1 25 0.00 5.4 2.6 15 108 79 583 408 181 118 73 5.3 14 0.00 3.6 1.9 16 98 113 498 373 176 116 67 4.6 36 0.00 2.0 1.0 17 88 145 411 345 268 121 58 3.8 96 0.00 2.7 0.34 18 98 179 370 324 352 174 47 3.6 228 0.00 1.8 0.07 19 130 183 403 311 429 263 39 2.6 137 0.00 1.1 0.00 20 171 153 539 298 479 253 35 1.9 67 0.00 0.68 0.00 21 194 131 586 295 460 200 32 1.8 30 0.00 0.37 0.00 22 177 112 539 299 428 157 30 2.5 15 0.00 0.27 0.00 23 146 142 470 290 458 131 27 3.7 8.7 0.00 2.9 0.00 24 121 198 431 273 481 114 23 5.7 4.8 0.00 3.6 0.00 25 101 232 359 261 421 100 19 5.5 3.0 0.00 8.9 0.00 26 85 221 335 313 359 91 15 4.0 2.1 0.33 10 0.00 27 70 187 320 369 305 79 12 3.0 1.7 0.61 7.6 0.00 28 59 167 302 371 262 72 12 6.9 1.6 0.81 6.5 0.00 29 51 178 283 337 --- 97 31 10 1.0 0.55 6.4 0.00 30 46 182 265 301 --- 217 77 35 0.57 0.19 5.8 0.00 31 44 --- 251 274 --- 403 --- 56 --- 0.02 4.5 --- TOTAL 5128 3798 12278 14115 7986 5064 3098 429.0 955.97 3.58 86.86 34.79 MEAN 165 127 396 455 285 163 103 13.8 31.9 0.12 2.80 1.16 MAX 538 232 842 1320 481 403 475 73 228 0.81 10 3.4 MIN 44 44 108 251 167 72 12 1.8 0.57 0.00 0.00 0.00 CFSM 0.81 0.62 1.95 2.24 1.40 0.80 0.51 0.07 0.16 0.00 0.01 0.01 IN. 0.94 0.70 2.25 2.59 1.46 0.93 0.57 0.08 0.18 0.00 0.02 0.01 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1980 - 1990, BY WATER YEAR (WY) MEAN 64.3 88.5 162 262 312 380 229 80.4 89.9 90.1 65.5 89.3 MAX 338 467 520 555 731 1044 525 294 281 343 192 454 (WY) 1980 1986 1986 1987 1983 1980 1983 1984 1982 1982 1985 1988 MIN 1.25 5.53 26.1 38.4 83.1 65.4 21.7 4.29 5.83 0.12 1.89 0.55 (WY) 1982 1982 1988 1981 1989 1985 1985 1985 1985 1990 1980 1980 SUMMARY STATISTICS FOR 1989 CALENDAR YEAR FOR 1990 WATER YEAR WATER YEARS 1980 - 1990 ANNUAL TOTAL 52556.72 52977.20 ANNUAL MEAN 144 145 159 HIGHEST ANNUAL MEAN 254 1980 LOWEST ANNUAL MEAN 54.9 1981 HIGHEST DAILY MEAN 1130 Sep 23 1320 Jan 8 4150 Mar 14 1980 LOWEST DAILY MEAN 0.82 Jun 5 0.00 Jul 5 0.00 Jul 29 1980 ANNUAL SEVEN-DAY MINIMUM 1.8 Jun 1 0.00 Jul 5 0.00 Jul 29 1980 ANNUAL RUNOFF (CFSM) 0.709 0.715 0.782 ANNUAL RUNOFF (INCHES) 9.63 9.71 10.62 10 PERCENT EXCEEDS 362 403 449 50 PERCENT EXCEEDS 95 82 61 90 PERCENT EXCEEDS 11 0.00 2.4 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02176500 COOSAWHATCHIE RIVER NEAR HAMPTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 049 LATITUDE 325010 LONGITUDE 0810755 NAD27 DRAINAGE AREA 203.00* CONTRIBUTING DRAINAGE AREA DATUM 50.30 NGVD29 Date Processed: 2005-04-11 11:59 By mishealy APPROVED DD #16, ,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 0.00 134 166 153 1800 249 708 845 700 92 1060 653 2 0.00 120 169 216 1230 474 565 771 1160 60 1850 528 3 0.00 109 171 284 987 1260 428 696 1070 41 2630 412 4 0.00 102 171 300 873 2220 340 537 868 40 1970 337 5 0.00 98 163 270 800 1690 321 425 639 49 1140 280 6 0.00 94 155 235 717 1150 535 412 441 63 759 232 7 0.00 86 151 209 696 951 789 429 323 169 582 201 8 0.00 79 163 200 774 843 850 404 239 202 433 328 9 0.00 98 171 211 864 754 1170 334 176 148 358 589 10 1.6 416 182 264 841 661 979 266 134 157 312 386 11 53 741 182 299 749 574 835 221 111 95 288 272 12 370 758 175 383 644 509 691 191 91 53 330 209 13 579 640 166 466 560 524 540 181 75 35 465 170 14 508 482 154 463 506 710 453 179 78 26 416 146 15 373 368 145 421 463 736 426 165 150 23 416 128 16 262 296 141 412 420 650 478 144 230 44 447 146 17 176 248 138 402 388 553 600 128 253 252 401 191 18 135 213 135 374 364 493 825 131 179 452 318 144 19 118 194 138 391 350 467 753 213 141 496 243 119 20 101 179 145 769 344 434 666 238 138 434 265 122 21 92 170 166 921 345 397 555 190 112 291 385 115 22 92 164 229 902 330 358 463 185 91 190 332 99 23 328 156 260 798 321 330 384 172 66 150 243 82 24 628 150 258 727 315 308 330 166 46 109 213 71 25 631 144 221 894 309 282 284 152 35 83 771 81 26 528 139 188 970 300 255 257 130 35 61 2160 133 27 413 139 166 922 286 228 274 114 90 58 1690 191 28 316 151 150 849 263 209 462 103 152 95 1100 166 29 238 162 142 829 --- 207 773 100 174 240 913 124 30 188 160 139 1130 --- 478 907 145 138 992 791 98 31 156 --- 188 1880 --- 707 --- 378 --- 1180 687 --- TOTAL 6286.60 6990 5288 17544 16839 19661 17641 8745 8135 6380 23968 6753 MEAN 203 233 171 566 601 634 588 282 271 206 773 225 MAX 631 758 260 1880 1800 2220 1170 845 1160 1180 2630 653 MIN 0.00 79 135 153 263 207 257 100 35 23 213 71 CFSM 1.00 1.15 0.84 2.79 2.96 3.12 2.90 1.39 1.34 1.01 3.81 1.11 IN. 1.15 1.28 0.97 3.21 3.09 3.60 3.23 1.60 1.49 1.17 4.39 1.24 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1951 - 1991, BY WATER YEAR (WY) MEAN 88.2 79.0 148 259 359 396 259 130 126 117 121 119 MAX 832 467 520 602 1047 1044 595 398 608 744 773 965 (WY) 1965 1986 1986 1964 1960 1980 1973 1954 1973 1975 1991 1969 MIN 0.00 0.67 16.1 20.7 29.1 32.9 21.7 4.29 5.83 0.06 0.03 0.00 (WY) 1955 1955 1955 1957 1957 1955 1985 1985 1985 1954 1954 1954 SUMMARY STATISTICS FOR 1990 CALENDAR YEAR FOR 1991 WATER YEAR WATER YEARS 1951 - 1991 ANNUAL TOTAL 144230.60 ANNUAL MEAN 395 184 HIGHEST ANNUAL MEAN 395 1991 LOWEST ANNUAL MEAN 38.2 1968 HIGHEST DAILY MEAN 2630 Aug 3 6590 Sep 2 1969 LOWEST DAILY MEAN 0.00 Oct 1 0.00 Aug 31 1951 ANNUAL SEVEN-DAY MINIMUM 0.00 Oct 1 0.00 Jun 29 1954 MAXIMUM PEAK FLOW 2800 Aug 3 8160 Sep 2 1969 MAXIMUM PEAK STAGE 6.03 Aug 3 8.39 Sep 2 1969 INSTANTANEOUS LOW FLOW 0.00 Oct 1 ANNUAL RUNOFF (CFSM) 1.95 0.906 ANNUAL RUNOFF (INCHES) 26.43 12.31 10 PERCENT EXCEEDS 847 483 50 PERCENT EXCEEDS 266 79 90 PERCENT EXCEEDS 91 3.4 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02176500 COOSAWHATCHIE RIVER NEAR HAMPTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 049 LATITUDE 325010 LONGITUDE 0810755 NAD27 DRAINAGE AREA 203.00* CONTRIBUTING DRAINAGE AREA DATUM 50.30 NGVD29 Date Processed: 2005-04-11 11:59 By mishealy APPROVED DD #16, ,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 75 45 54 152 259 284 215 127 149 65 14 86 2 72 47 57 113 223 253 188 112 93 109 11 71 3 95 54 80 103 196 227 157 99 63 205 9.9 93 4 117 52 98 104 175 206 139 82 121 344 11 156 5 113 46 121 103 159 190 124 67 209 380 22 161 6 101 42 115 94 166 209 110 57 186 255 53 166 7 86 41 96 84 229 334 113 62 118 167 53 203 8 71 42 72 75 273 384 135 103 79 126 54 236 9 60 58 60 69 240 334 151 133 111 100 43 214 10 55 106 52 67 197 283 136 126 172 72 41 227 11 52 163 44 63 169 264 276 101 195 51 34 206 12 50 150 42 60 153 243 618 77 272 43 25 191 13 43 110 41 103 141 215 467 61 502 69 26 225 14 36 82 41 315 135 185 320 57 562 49 25 228 15 35 65 45 485 137 166 240 54 563 31 105 190 16 50 57 49 363 143 150 190 49 659 30 215 139 17 59 53 51 254 189 139 150 41 567 68 328 107 18 59 51 51 184 434 133 124 36 421 82 285 88 19 52 51 44 194 616 175 118 35 310 103 203 74 20 46 49 41 258 546 263 233 32 281 151 186 64 21 41 49 41 272 436 299 505 34 209 166 217 54 22 39 50 42 235 356 257 971 33 160 91 425 49 23 39 54 43 290 351 209 837 27 124 72 807 43 24 38 55 47 465 436 182 611 22 101 73 766 60 25 38 55 47 465 566 171 440 19 84 58 553 62 26 42 52 49 373 579 253 327 16 65 42 390 60 27 53 50 52 291 459 313 252 15 55 33 291 55 28 59 49 66 240 381 281 201 15 52 27 222 54 29 58 49 116 249 329 231 170 19 53 26 171 49 30 54 50 158 281 --- 204 148 30 54 23 141 41 31 48 --- 184 291 --- 209 --- 116 --- 18 112 --- TOTAL 1836 1877 2099 6695 8673 7246 8666 1857 6590 3129 5838.9 3652 MEAN 59.2 62.6 67.7 216 299 234 289 59.9 220 101 188 122 MAX 117 163 184 485 616 384 971 133 659 380 807 236 MIN 35 41 41 60 135 133 110 15 52 18 9.9 41 CFSM 0.29 0.31 0.33 1.06 1.47 1.15 1.42 0.30 1.08 0.50 0.93 0.60 IN. 0.34 0.34 0.38 1.23 1.59 1.33 1.59 0.34 1.21 0.57 1.07 0.67 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1951 - 1992, BY WATER YEAR (WY) MEAN 87.5 78.6 146 258 357 392 260 128 128 116 122 119 MAX 832 467 520 602 1047 1044 595 398 608 744 773 965 (WY) 1965 1986 1986 1964 1960 1980 1973 1954 1973 1975 1991 1969 MIN 0.00 0.67 16.1 20.7 29.1 32.9 21.7 4.29 5.83 0.06 0.03 0.00 (WY) 1955 1955 1955 1957 1957 1955 1985 1985 1985 1954 1954 1954 SUMMARY STATISTICS FOR 1991 CALENDAR YEAR FOR 1992 WATER YEAR WATER YEARS 1951 - 1992 ANNUAL TOTAL 58158.9 ANNUAL MEAN 159 183 HIGHEST ANNUAL MEAN 395 1991 LOWEST ANNUAL MEAN 38.2 1968 HIGHEST DAILY MEAN 971 Apr 22 6590 Sep 2 1969 LOWEST DAILY MEAN 9.9 Aug 3 0.00 Aug 31 1951 ANNUAL SEVEN-DAY MINIMUM 16 Jul 30 0.00 Jun 29 1954 MAXIMUM PEAK FLOW 1040 Apr 22 8160 Sep 2 1969 MAXIMUM PEAK STAGE 4.69 Apr 22 8.39 Sep 2 1969 INSTANTANEOUS LOW FLOW 8.5 Aug 3 ANNUAL RUNOFF (CFSM) 0.783 0.903 ANNUAL RUNOFF (INCHES) 10.66 12.26 10 PERCENT EXCEEDS 346 481 50 PERCENT EXCEEDS 108 79 90 PERCENT EXCEEDS 41 3.5 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02176500 COOSAWHATCHIE RIVER NEAR HAMPTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 049 LATITUDE 325010 LONGITUDE 0810755 NAD27 DRAINAGE AREA 203.00* CONTRIBUTING DRAINAGE AREA DATUM 50.30 NGVD29 Date Processed: 2005-04-11 11:59 By mishealy APPROVED DD #16, ,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 27 108 579 221 260 267 619 41 6.8 43 0.44 0.00 2 23 106 488 206 240 230 646 37 10 21 0.14 0.00 3 24 105 423 193 224 220 526 33 14 9.9 0.02 0.00 4 103 104 378 179 210 324 410 32 16 6.6 0.00 0.00 5 201 107 361 199 202 428 425 40 13 4.7 0.00 0.00 6 231 108 340 219 207 432 599 58 8.6 3.5 0.00 0.00 7 177 108 345 294 239 322 627 69 6.0 2.9 0.00 0.00 8 141 114 344 713 391 267 511 54 4.7 3.0 0.00 0.00 9 1950 110 339 1340 508 226 416 37 4.2 2.6 2.9 0.00 10 5110 104 388 1250 487 201 423 29 3.7 1.8 2.7 0.00 11 2040 105 489 887 485 179 454 24 3.0 1.2 2.0 0.00 12 1110 110 551 1120 461 162 364 20 2.6 0.66 1.4 0.71 13 763 132 467 2690 424 295 298 20 8.4 0.33 1.0 2.4 14 567 188 385 2060 372 495 277 22 10 0.12 0.82 2.6 15 450 222 336 1300 318 503 208 21 8.8 0.02 1.1 2.5 16 373 181 308 1030 294 390 214 27 6.5 0.00 1.8 4.2 17 322 149 291 925 343 346 173 28 5.0 0.00 1.9 8.4 18 280 131 283 773 381 359 153 22 3.8 0.00 1.5 5.1 19 244 120 276 638 341 331 133 19 2.8 0.00 1.1 3.6 20 216 113 265 540 285 288 120 20 2.0 0.00 0.69 3.0 21 190 140 248 530 253 247 110 17 1.5 0.00 0.40 4.5 22 171 581 252 667 246 219 103 14 1.2 0.00 0.23 5.5 23 157 1730 252 714 238 219 93 12 0.86 0.00 0.12 8.4 24 147 1340 247 593 221 299 83 9.9 0.53 1.1 0.04 14 25 140 951 230 502 197 359 74 8.9 0.42 1.7 0.00 19 26 134 850 210 456 225 424 68 8.1 0.48 2.2 0.00 15 27 127 1000 197 404 299 819 65 7.2 0.70 2.7 0.00 10 28 122 850 215 358 311 1020 60 7.1 0.77 2.0 0.00 6.8 29 117 800 238 325 --- 799 54 6.7 9.1 1.4 0.00 4.9 30 114 689 237 300 --- 630 48 8.0 86 1.5 0.00 3.7 31 112 --- 230 280 --- 515 --- 6.3 --- 0.97 0.00 --- TOTAL 15883 11456 10192 21906 8662 11815 8354 758.2 241.46 114.90 20.30 124.31 MEAN 512 382 329 707 309 381 278 24.5 8.05 3.71 0.65 4.14 MAX 5110 1730 579 2690 508 1020 646 69 86 43 2.9 19 MIN 23 104 197 179 197 162 48 6.3 0.42 0.00 0.00 0.00 CFSM 2.52 1.88 1.62 3.48 1.52 1.88 1.37 0.12 0.04 0.02 0.00 0.02 IN. 2.91 2.10 1.87 4.01 1.59 2.17 1.53 0.14 0.04 0.02 0.00 0.02 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1951 - 1993, BY WATER YEAR (WY) MEAN 97.6 85.8 150 269 356 392 260 126 125 114 120 117 MAX 832 467 520 707 1047 1044 595 398 608 744 773 965 (WY) 1965 1986 1986 1993 1960 1980 1973 1954 1973 1975 1991 1969 MIN 0.00 0.67 16.1 20.7 29.1 32.9 21.7 4.29 5.83 0.06 0.03 0.00 (WY) 1955 1955 1955 1957 1957 1955 1985 1985 1985 1954 1954 1954 SUMMARY STATISTICS FOR 1992 CALENDAR YEAR FOR 1993 WATER YEAR WATER YEARS 1951 - 1993 ANNUAL TOTAL 89527.17 ANNUAL MEAN 245 185 HIGHEST ANNUAL MEAN 395 1991 LOWEST ANNUAL MEAN 38.2 1968 HIGHEST DAILY MEAN 5110 Oct 10 6590 Sep 2 1969 LOWEST DAILY MEAN 0.00 Jul 16 0.00 Aug 31 1951 ANNUAL SEVEN-DAY MINIMUM 0.00 Jul 16 0.00 Jun 29 1954 MAXIMUM PEAK FLOW 6920 Oct 10 8160 Sep 2 1969 MAXIMUM PEAK STAGE 7.92 Oct 10 8.39 Sep 2 1969 ANNUAL RUNOFF (CFSM) 1.21 0.910 ANNUAL RUNOFF (INCHES) 16.41 12.36 10 PERCENT EXCEEDS 586 483 50 PERCENT EXCEEDS 117 80 90 PERCENT EXCEEDS 0.13 3.4 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02176500 COOSAWHATCHIE RIVER NEAR HAMPTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 049 LATITUDE 325010 LONGITUDE 0810755 NAD27 DRAINAGE AREA 203.00* CONTRIBUTING DRAINAGE AREA DATUM 50.30 NGVD29 Date Processed: 2005-04-11 11:59 By mishealy APPROVED DD #16, ,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 3.0 57 114 68 536 138 210 6.5 1.1 214 222 6.0 2 2.5 72 88 88 441 553 171 5.7 0.89 185 300 14 3 2.1 67 69 107 345 1260 139 5.1 0.72 135 212 34 4 1.7 46 58 134 268 1100 113 6.1 0.71 75 180 44 5 1.4 43 63 130 244 782 93 6.3 0.54 55 111 51 6 1.1 47 55 153 294 577 81 6.7 3.3 80 69 38 7 0.95 39 48 137 359 433 72 6.8 6.4 142 48 26 8 0.85 46 47 122 381 338 64 6.2 5.9 101 34 27 9 1.0 52 45 103 343 279 58 5.4 4.7 57 23 76 10 0.98 54 45 90 293 254 52 5.1 6.5 33 14 95 11 0.69 47 55 81 263 246 47 4.6 43 20 9.6 107 12 0.48 44 53 119 249 246 42 4.1 32 15 6.7 67 13 0.32 43 55 138 246 238 40 3.6 21 15 6.1 43 14 0.20 40 75 187 233 246 37 3.1 14 17 11 28 15 0.11 37 102 205 210 246 35 3.4 9.0 12 17 18 16 0.67 34 112 166 186 241 38 8.5 8.6 7.4 30 12 17 3.3 31 121 138 165 219 37 21 11 4.7 44 11 18 3.4 31 111 152 153 187 32 30 15 3.3 62 11 19 3.6 30 93 161 141 161 26 18 20 2.8 63 19 20 4.2 27 81 182 135 137 22 11 14 3.0 59 27 21 5.0 25 81 177 129 121 18 8.4 8.4 4.4 59 22 22 5.0 23 75 151 126 113 16 6.5 12 11 67 17 23 4.7 23 109 130 125 103 17 5.0 24 170 64 13 24 4.4 22 124 115 148 97 18 3.8 17 235 60 16 25 3.9 20 137 106 166 122 18 3.0 18 165 50 27 26 7.0 20 132 99 179 155 16 2.4 16 102 32 49 27 6.9 42 112 94 173 171 14 1.9 22 61 20 36 28 7.0 75 94 120 147 156 11 1.5 76 86 13 26 29 8.8 94 82 230 --- 168 8.9 1.2 148 143 13 20 30 42 130 74 435 --- 220 7.1 1.0 206 247 11 17 31 57 --- 68 576 --- 247 --- 1.3 --- 256 7.6 --- TOTAL 184.25 1361 2578 4894 6678 9554 1553.0 203.2 765.76 2657.6 1918.0 997.0 MEAN 5.94 45.4 83.2 158 238 308 51.8 6.55 25.5 85.7 61.9 33.2 MAX 57 130 137 576 536 1260 210 30 206 256 300 107 MIN 0.11 20 45 68 125 97 7.1 1.0 0.54 2.8 6.1 6.0 CFSM 0.03 0.22 0.41 0.78 1.17 1.52 0.26 0.03 0.13 0.42 0.30 0.16 IN. 0.03 0.25 0.47 0.90 1.22 1.75 0.28 0.04 0.14 0.49 0.35 0.18 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1951 - 1994, BY WATER YEAR (WY) MEAN 95.5 84.9 149 266 353 390 255 123 123 113 118 115 MAX 832 467 520 707 1047 1044 595 398 608 744 773 965 (WY) 1965 1986 1986 1993 1960 1980 1973 1954 1973 1975 1991 1969 MIN 0.00 0.67 16.1 20.7 29.1 32.9 21.7 4.29 5.83 0.06 0.03 0.00 (WY) 1955 1955 1955 1957 1957 1955 1985 1985 1985 1954 1954 1954 SUMMARY STATISTICS FOR 1993 CALENDAR YEAR FOR 1994 WATER YEAR WATER YEARS 1951 - 1994 ANNUAL TOTAL 33343.81 ANNUAL MEAN 91.4 183 HIGHEST ANNUAL MEAN 395 1991 LOWEST ANNUAL MEAN 38.2 1968 HIGHEST DAILY MEAN 1260 Mar 3 6590 Sep 2 1969 LOWEST DAILY MEAN 0.11 Oct 15 0.00 Aug 31 1951 ANNUAL SEVEN-DAY MINIMUM 0.49 Oct 10 0.00 Jun 29 1954 MAXIMUM PEAK FLOW 1360 Mar 3 8160 Sep 2 1969 MAXIMUM PEAK STAGE 4.67 Mar 3 8.39 Sep 2 1969 ANNUAL RUNOFF (CFSM) 0.450 0.899 ANNUAL RUNOFF (INCHES) 6.11 12.22 10 PERCENT EXCEEDS 231 479 50 PERCENT EXCEEDS 47 79 90 PERCENT EXCEEDS 3.5 3.4 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02176500 COOSAWHATCHIE RIVER NEAR HAMPTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 049 LATITUDE 325010 LONGITUDE 0810755 NAD27 DRAINAGE AREA 203.00* CONTRIBUTING DRAINAGE AREA DATUM 50.30 NGVD29 Date Processed: 2005-04-11 11:59 By mishealy APPROVED DD #16, ,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 13 231 658 316 554 595 112 14 0.00 78 78 549 2 18 223 552 297 487 1150 105 12 6.1 75 61 430 3 178 194 438 278 435 1230 94 9.6 36 66 130 353 4 490 177 363 261 424 943 88 8.0 75 47 217 277 5 476 167 595 242 410 754 79 7.2 185 41 253 220 6 309 145 804 227 394 647 85 6.3 743 37 190 182 7 187 131 694 492 368 578 105 5.4 779 33 145 167 8 125 121 559 986 336 534 116 4.8 560 25 165 160 9 93 122 449 1010 305 500 102 3.8 327 20 217 155 10 127 124 381 755 297 466 86 2.7 208 16 159 146 11 346 135 463 583 610 433 72 2.5 159 13 136 128 12 660 151 676 470 1360 391 64 2.3 170 13 94 114 13 1680 161 735 404 1340 359 58 2.7 242 12 64 105 14 2150 158 627 621 999 331 55 2.7 161 10 45 114 15 1580 142 497 1810 797 310 51 2.5 102 8.6 34 222 16 987 135 430 1880 703 298 44 2.1 69 7.6 35 391 17 692 136 402 1420 662 322 38 1.9 49 17 26 490 18 515 136 391 1020 764 346 33 1.7 37 20 26 375 19 393 136 373 804 1000 329 28 1.1 31 22 34 289 20 319 127 340 689 1040 296 25 1.1 27 15 64 225 21 273 157 305 608 902 265 23 0.93 26 10 103 180 22 321 305 370 538 752 236 20 0.59 27 7.2 148 151 23 476 361 674 499 648 217 20 0.33 36 5.9 110 135 24 565 317 1070 520 559 200 27 0.17 66 9.3 173 144 25 495 247 1040 536 492 182 33 0.06 81 19 197 195 26 390 202 826 514 446 166 33 0.00 61 31 2700 400 27 310 210 651 460 411 152 28 0.00 43 53 4090 532 28 253 254 523 438 392 145 24 0.00 35 52 2480 590 29 217 355 433 509 --- 136 19 0.00 31 51 1460 495 30 203 601 375 633 --- 127 16 0.00 47 49 973 375 31 210 --- 338 635 --- 117 --- 0.00 --- 58 719 --- TOTAL 15051 6061 17032 20455 17887 12755 1683 96.48 4419.10 921.6 15326 8289 MEAN 486 202 549 660 639 411 56.1 3.11 147 29.7 494 276 MAX 2150 601 1070 1880 1360 1230 116 14 779 78 4090 590 MIN 13 121 305 227 297 117 16 0.00 0.00 5.9 26 105 CFSM 2.39 1.00 2.71 3.25 3.15 2.03 0.28 0.02 0.73 0.15 2.44 1.36 IN. 2.76 1.11 3.12 3.75 3.28 2.34 0.31 0.02 0.81 0.17 2.81 1.52 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1951 - 1995, BY WATER YEAR (WY) MEAN 104 87.6 158 275 360 390 251 120 124 111 127 118 MAX 832 467 549 707 1047 1044 595 398 608 744 773 965 (WY) 1965 1986 1995 1993 1960 1980 1973 1954 1973 1975 1991 1969 MIN 0.00 0.67 16.1 20.7 29.1 32.9 21.7 3.11 5.83 0.06 0.03 0.00 (WY) 1955 1955 1955 1957 1957 1955 1985 1995 1985 1954 1954 1954 SUMMARY STATISTICS FOR 1994 CALENDAR YEAR FOR 1995 WATER YEAR WATER YEARS 1951 - 1995 ANNUAL TOTAL 119976.18 ANNUAL MEAN 329 186 HIGHEST ANNUAL MEAN 395 1991 LOWEST ANNUAL MEAN 38.2 1968 HIGHEST DAILY MEAN 4090 Aug 27 6590 Sep 2 1969 LOWEST DAILY MEAN 0.00 May 26 0.00 Aug 31 1951 ANNUAL SEVEN-DAY MINIMUM 0.00 May 26 0.00 Jun 29 1954 MAXIMUM PEAK FLOW 4650 Aug 26 8160 Sep 2 1969 MAXIMUM PEAK STAGE 6.65 Aug 26 8.39 Sep 2 1969 ANNUAL RUNOFF (CFSM) 1.62 0.916 ANNUAL RUNOFF (INCHES) 21.99 12.44 10 PERCENT EXCEEDS 738 487 50 PERCENT EXCEEDS 194 81 90 PERCENT EXCEEDS 9.8 3.4 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02176500 COOSAWHATCHIE RIVER NEAR HAMPTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 049 LATITUDE 325010 LONGITUDE 0810755 NAD27 DRAINAGE AREA 203.00* CONTRIBUTING DRAINAGE AREA DATUM 50.30 NGVD29 Date Processed: 2005-04-11 11:59 By mishealy APPROVED DD #16, ,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 1 264 108 147 182 403 191 615 1650 25 5.2 5.8 35 2 211 105 142 208 439 202 501 1160 19 3.5 21 27 3 176 131 135 230 477 170 419 785 15 2.5 29 22 4 182 179 129 226 465 139 346 557 14 2.0 24 19 5 165 171 123 201 426 120 287 396 17 11 21 19 6 180 154 122 179 356 121 251 293 21 119 58 19 7 190 175 146 195 308 218 248 216 19 285 91 17 8 166 318 172 231 279 416 243 177 26 261 135 12 9 139 439 233 245 252 490 225 148 19 131 111 9.3 10 113 430 311 233 233 426 199 143 15 79 86 10 11 95 336 346 206 217 315 179 128 12 54 66 15 12 86 296 340 189 203 246 158 95 9.1 48 76 15 13 84 276 289 177 185 202 144 73 6.9 41 131 10 14 91 275 245 167 171 174 132 58 8.3 42 147 7.4 15 113 257 217 157 159 160 124 51 8.8 48 102 5.3 16 150 223 205 148 162 188 113 47 14 83 58 4.1 17 184 195 190 139 164 393 97 42 15 104 34 3.7 18 154 173 174 139 156 1060 86 37 13 88 22 3.4 19 124 158 222 171 148 1350 79 32 12 51 17 2.4 20 110 148 308 196 149 1070 74 26 12 30 14 2.0 21 93 139 365 227 159 786 94 22 13 22 13 2.0 22 80 135 357 220 164 606 93 20 20 19 11 2.2 23 69 129 291 192 158 471 79 19 21 17 8.3 1.9 24 61 127 242 183 146 378 70 21 15 13 6.1 1.5 25 57 141 210 193 135 319 69 19 13 9.8 7.1 1.0 26 54 157 191 201 123 282 87 17 10 8.7 20 0.74 27 51 178 177 316 115 251 194 16 11 6.5 32 0.64 28 65 181 166 501 118 433 233 17 8.4 9.0 33 0.39 29 75 170 158 509 152 835 175 18 7.8 7.6 38 0.23 30 117 158 152 450 --- 948 677 21 6.9 6.8 54 0.18 31 122 --- 161 384 --- 761 --- 30 --- 5.9 48 --- TOTAL 3821 6062 6666 7195 6622 13721 6291 6334 427.2 1613.5 1519.3 268.38 MEAN 123 202 215 232 228 443 210 204 14.2 52.0 49.0 8.95 MAX 264 439 365 509 477 1350 677 1650 26 285 147 35 MIN 51 105 122 139 115 120 69 16 6.9 2.0 5.8 0.18 CFSM 0.61 1.00 1.06 1.14 1.12 2.18 1.03 1.01 0.07 0.26 0.24 0.04 IN. 0.70 1.11 1.22 1.32 1.21 2.51 1.15 1.16 0.08 0.30 0.28 0.05 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1951 - 1996, BY WATER YEAR (WY) MEAN 105 90.1 159 274 357 391 250 122 121 110 125 116 MAX 832 467 549 707 1047 1044 595 398 608 744 773 965 (WY) 1965 1986 1995 1993 1960 1980 1973 1954 1973 1975 1991 1969 MIN 0.00 0.67 16.1 20.7 29.1 32.9 21.7 3.11 5.83 0.06 0.03 0.00 (WY) 1955 1955 1955 1957 1957 1955 1985 1995 1985 1954 1954 1954 SUMMARY STATISTICS FOR 1995 CALENDAR YEAR FOR 1996 WATER YEAR WATER YEARS 1951 - 1996 ANNUAL TOTAL 60540.38 ANNUAL MEAN 165 185 HIGHEST ANNUAL MEAN 395 1991 LOWEST ANNUAL MEAN 38.2 1968 HIGHEST DAILY MEAN 1650 May 1 6590 Sep 2 1969 LOWEST DAILY MEAN 0.18 Sep 30 0.00 Aug 31 1951 ANNUAL SEVEN-DAY MINIMUM 0.67 Sep 24 0.00 Jun 29 1954 MAXIMUM PEAK FLOW 1770 May 1 8160 Sep 2 1969 MAXIMUM PEAK STAGE 4.92 May 1 8.39 Sep 2 1969 ANNUAL RUNOFF (CFSM) 0.815 0.913 ANNUAL RUNOFF (INCHES) 11.09 12.41 10 PERCENT EXCEEDS 359 484 50 PERCENT EXCEEDS 132 81 90 PERCENT EXCEEDS 8.9 3.5 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02176500 COOSAWHATCHIE RIVER NEAR HAMPTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 049 LATITUDE 325010 LONGITUDE 0810755 NAD27 DRAINAGE AREA 203.00* CONTRIBUTING DRAINAGE AREA DATUM 50.30 NGVD29 Date Processed: 2005-04-11 11:59 By mishealy APPROVED DD #16, ,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 0.05 6.4 26 40 710 327 51 210 6.5 48 168 43 2 0.14 6.7 49 49 481 290 46 106 5.9 24 284 283 3 0.64 7.9 68 53 318 258 39 70 6.4 14 190 130 4 1.0 7.4 79 55 236 224 34 55 6.2 8.6 88 61 5 1.4 8.2 66 54 192 199 29 48 5.0 6.5 48 33 6 1.6 9.6 53 57 161 179 27 51 6.5 6.8 35 22 7 2.4 11 44 59 142 156 24 41 6.7 9.0 28 16 8 63 15 43 71 128 139 22 28 7.5 23 31 13 9 122 20 39 183 119 128 19 22 7.9 38 47 10 10 214 23 36 297 114 121 16 21 6.4 26 34 9.1 11 140 33 38 331 120 114 14 28 5.0 27 29 9.4 12 72 27 36 241 118 106 17 29 4.3 21 75 8.8 13 40 23 35 156 122 100 21 26 3.6 15 85 9.2 14 26 20 32 113 245 161 26 26 3.7 11 47 25 15 20 17 31 90 1050 238 27 26 4.3 7.9 29 25 16 15 15 31 86 1530 279 23 23 4.1 5.8 22 15 17 14 14 30 81 1130 249 20 16 3.9 4.5 18 9.8 18 12 14 36 75 768 188 17 11 4.3 4.1 16 7.5 19 11 15 84 68 564 152 13 7.8 6.4 5.3 16 6.7 20 9.5 16 113 64 433 138 11 6.5 7.5 6.4 17 5.7 21 8.6 16 131 60 355 139 8.9 6.3 8.5 5.5 22 5.1 22 7.7 17 110 57 627 132 9.5 5.0 7.3 4.6 21 4.5 23 7.7 16 79 58 949 116 10 3.7 5.2 3.7 19 4.1 24 7.3 16 62 63 902 99 9.0 2.9 4.0 3.0 15 4.4 25 6.9 16 54 67 686 87 7.3 3.1 2.9 3.5 11 10 26 6.3 16 47 65 521 79 6.9 3.6 2.2 6.4 8.9 47 27 6.5 17 44 74 428 73 12 4.6 2.1 15 7.4 70 28 6.9 16 41 74 372 65 82 4.6 4.8 5.7 5.9 176 29 6.7 16 40 75 --- 64 267 5.4 20 3.7 4.8 237 30 6.8 16 40 170 --- 61 340 7.4 52 5.1 7.5 210 31 7.0 --- 38 318 --- 59 --- 7.3 --- 39 13 --- TOTAL 844.13 471.2 1655 3304 13521 4720 1248.6 905.2 221.1 407.1 1442.5 1510.3 MEAN 27.2 15.7 53.4 107 483 152 41.6 29.2 7.37 13.1 46.5 50.3 MAX 214 33 131 331 1530 327 340 210 52 48 284 283 MIN 0.05 6.4 26 40 114 59 6.9 2.9 2.1 3.0 4.8 4.1 CFSM 0.13 0.08 0.26 0.53 2.38 0.75 0.21 0.14 0.04 0.06 0.23 0.25 IN. 0.15 0.09 0.30 0.61 2.48 0.86 0.23 0.17 0.04 0.07 0.26 0.28 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1951 - 1997, BY WATER YEAR (WY) MEAN 103 88.5 157 271 360 386 246 120 119 108 123 115 MAX 832 467 549 707 1047 1044 595 398 608 744 773 965 (WY) 1965 1986 1995 1993 1960 1980 1973 1954 1973 1975 1991 1969 MIN 0.00 0.67 16.1 20.7 29.1 32.9 21.7 3.11 5.83 0.06 0.03 0.00 (WY) 1955 1955 1955 1957 1957 1955 1985 1995 1985 1954 1954 1954 SUMMARY STATISTICS FOR 1996 CALENDAR YEAR FOR 1997 WATER YEAR WATER YEARS 1951 - 1997 ANNUAL TOTAL 30250.13 ANNUAL MEAN 82.9 183 HIGHEST ANNUAL MEAN 395 1991 LOWEST ANNUAL MEAN 38.2 1968 HIGHEST DAILY MEAN 1530 Feb 16 6590 Sep 2 1969 LOWEST DAILY MEAN 0.05 Oct 1 0.00 Aug 31 1951 ANNUAL SEVEN-DAY MINIMUM 1.0 Oct 1 0.00 Jun 29 1954 MAXIMUM PEAK FLOW 1590 Feb 16 8160 Sep 2 1969 MAXIMUM PEAK STAGE 4.82 Feb 16 8.39 Sep 2 1969 ANNUAL RUNOFF (CFSM) 0.408 0.902 ANNUAL RUNOFF (INCHES) 5.54 12.26 10 PERCENT EXCEEDS 212 480 50 PERCENT EXCEEDS 26 79 90 PERCENT EXCEEDS 4.9 3.5 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02176500 COOSAWHATCHIE RIVER NEAR HAMPTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 049 LATITUDE 325010 LONGITUDE 0810755 NAD27 DRAINAGE AREA 203.00* CONTRIBUTING DRAINAGE AREA DATUM 50.30 NGVD29 Date Processed: 2005-04-11 11:59 By mishealy APPROVED DD #16, ,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 1 128 133 669 725 625 890 251 176 18 0.00 0.00 1.9 2 77 201 801 610 519 792 260 243 15 0.00 0.00 1.9 3 53 232 610 524 728 642 295 263 11 0.00 0.00 193 4 41 232 454 463 2360 517 481 353 9.2 0.00 0.00 914 5 33 194 359 426 2790 442 643 433 14 0.00 0.00 659 6 27 151 300 401 2080 431 559 448 12 0.00 0.00 320 7 23 121 260 389 1440 569 420 374 12 0.00 0.00 144 8 20 106 229 419 1060 1170 365 583 11 0.00 0.00 67 9 17 96 212 492 838 2620 617 746 9.8 0.00 0.00 40 10 15 89 246 696 694 2850 933 656 38 0.00 2.0 28 11 13 84 322 650 592 1850 905 463 105 0.00 7.8 20 12 12 88 415 522 517 1240 666 339 109 0.00 8.7 14 13 10 195 418 429 463 927 482 264 104 0.00 9.7 9.2 14 9.4 587 393 388 420 734 419 204 58 0.00 8.1 6.9 15 9.3 790 415 409 381 618 643 161 35 0.00 12 5.5 16 9.9 656 416 564 379 533 775 130 21 0.00 23 4.5 17 11 464 391 727 1200 467 652 108 13 0.00 24 3.6 18 17 333 338 709 2090 470 692 96 8.6 0.00 17 3.4 19 28 261 289 628 1540 882 878 79 7.0 0.00 12 3.6 20 37 222 254 633 1050 1550 894 63 6.4 0.00 9.9 3.6 21 43 220 229 647 803 1340 672 52 4.8 0.00 6.5 3.9 22 41 226 280 582 718 948 499 42 3.7 0.15 4.4 4.8 23 38 227 495 925 1440 722 387 34 2.6 0.48 3.0 5.0 24 35 219 880 1510 1770 579 320 28 1.9 0.45 2.4 4.3 25 36 207 1660 1390 1270 480 276 25 1.6 0.63 1.6 3.5 26 69 188 2060 1010 917 419 234 22 1.1 0.17 1.0 3.0 27 169 169 1930 967 767 376 194 21 0.68 0.00 0.63 2.5 28 264 156 1980 1330 799 339 162 19 0.42 0.00 0.28 2.3 29 298 152 1640 1320 --- 309 142 19 0.15 0.00 0.10 2.9 30 206 362 1180 988 --- 285 133 27 0.00 0.00 0.00 4.4 31 143 --- 909 763 --- 263 --- 23 --- 0.00 0.02 --- TOTAL 1932.6 7361 21034 22236 30250 26254 14849 6494 633.95 1.88 154.13 2479.7 MEAN 62.3 245 679 717 1080 847 495 209 21.1 0.06 4.97 82.7 MAX 298 790 2060 1510 2790 2850 933 746 109 0.63 24 914 MIN 9.3 84 212 388 379 263 133 19 0.00 0.00 0.00 1.9 CFSM 0.31 1.21 3.34 3.53 5.32 4.17 2.44 1.03 0.10 0.00 0.02 0.41 IN. 0.35 1.35 3.85 4.07 5.54 4.81 2.72 1.19 0.12 0.00 0.03 0.45 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1951 - 1998, BY WATER YEAR (WY) MEAN 102 91.8 168 280 375 396 251 122 117 106 121 114 MAX 832 467 679 717 1080 1044 595 398 608 744 773 965 (WY) 1965 1986 1998 1998 1998 1980 1973 1954 1973 1975 1991 1969 MIN 0.00 0.67 16.1 20.7 29.1 32.9 21.7 3.11 5.83 0.06 0.03 0.00 (WY) 1955 1955 1955 1957 1957 1955 1985 1995 1985 1998 1954 1954 SUMMARY STATISTICS FOR 1997 CALENDAR YEAR FOR 1998 WATER YEAR WATER YEARS 1951 - 1998 ANNUAL TOTAL 133680.26 ANNUAL MEAN 366 187 HIGHEST ANNUAL MEAN 395 1991 LOWEST ANNUAL MEAN 38.2 1968 HIGHEST DAILY MEAN 2850 Mar 10 6590 Sep 2 1969 LOWEST DAILY MEAN 0.00 Jun 30 0.00 Aug 31 1951 ANNUAL SEVEN-DAY MINIMUM 0.00 Jun 30 0.00 Jun 29 1954 MAXIMUM PEAK FLOW 3230 Mar 9 8160 Sep 2 1969 MAXIMUM PEAK STAGE 5.78 Mar 9 8.39 Sep 2 1969 ANNUAL RUNOFF (CFSM) 1.80 0.922 ANNUAL RUNOFF (INCHES) 24.50 12.52 10 PERCENT EXCEEDS 920 489 50 PERCENT EXCEEDS 195 80 90 PERCENT EXCEEDS 0.00 3.5 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02176500 COOSAWHATCHIE RIVER NEAR HAMPTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 049 LATITUDE 325010 LONGITUDE 0810755 NAD27 DRAINAGE AREA 203.00* CONTRIBUTING DRAINAGE AREA DATUM 50.30 NGVD29 Date Processed: 2005-04-11 11:59 By mishealy APPROVED DD #16, ,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 5.2 4.8 29 55 189 67 39 33 0.00 56 4.9 7.8 2 5.0 4.7 29 47 566 62 43 61 0.00 65 3.5 5.0 3 5.7 4.8 30 94 709 59 53 76 0.00 78 2.3 2.7 4 6.1 5.2 31 113 578 57 58 59 0.00 69 1.2 1.4 5 6.3 5.4 31 122 412 50 50 38 0.00 41 0.37 0.49 6 7.0 5.3 32 101 318 50 38 37 0.00 32 0.00 0.00 7 14 5.4 33 83 254 49 32 48 0.00 22 0.00 0.00 8 17 5.6 34 67 208 46 32 54 0.00 23 0.00 0.00 9 18 6.6 36 59 176 48 42 42 0.00 57 0.00 0.00 10 22 7.8 36 56 153 53 50 28 0.00 64 0.00 0.00 11 22 8.3 37 50 137 57 31 18 0.00 37 0.00 0.00 12 18 8.8 37 45 129 56 24 13 0.00 42 0.00 0.00 13 13 9.4 39 42 125 52 15 9.6 0.00 59 0.00 0.00 14 9.8 10 40 40 112 53 11 7.3 0.00 60 0.00 0.00 15 8.0 11 42 61 104 59 8.1 5.8 0.00 76 0.00 0.00 16 6.6 13 47 75 96 59 8.3 5.4 0.00 84 0.00 0.00 17 5.8 15 47 93 93 57 8.3 4.9 4.3 93 0.00 0.00 18 5.3 15 49 149 95 53 7.5 3.8 2.3 315 0.00 0.00 19 4.5 15 48 158 97 48 6.2 2.7 2.5 316 0.00 0.00 20 3.7 17 48 135 101 41 5.2 2.3 15 213 11 0.00 21 4.2 18 48 100 98 38 4.7 1.8 14 140 6.2 0.00 22 5.3 20 47 78 89 39 3.6 1.7 8.7 93 2.6 0.00 23 5.2 21 46 93 81 35 2.7 1.5 5.8 62 6.9 0.00 24 4.6 22 45 359 74 35 2.2 0.76 3.7 43 19 0.02 25 4.2 23 55 671 70 34 4.4 0.00 8.3 34 20 0.19 26 5.0 24 91 569 68 42 3.8 0.00 16 25 18 0.80 27 5.3 25 112 352 66 51 3.0 0.00 9.3 18 45 6.3 28 5.4 26 140 222 68 56 7.0 0.00 13 15 38 30 29 5.1 27 128 163 --- 54 6.8 0.00 27 12 35 28 30 5.0 28 94 133 --- 47 11 0.00 45 9.1 20 30 31 4.8 --- 70 114 --- 41 --- 0.00 --- 6.9 12 --- TOTAL 257.1 412.1 1631 4499 5266 1548 610.8 554.56 174.90 2260.0 245.97 112.70 MEAN 8.29 13.7 52.6 145 188 49.9 20.4 17.9 5.83 72.9 7.93 3.76 MAX 22 28 140 671 709 67 58 76 45 316 45 30 MIN 3.7 4.7 29 40 66 34 2.2 0.00 0.00 6.9 0.00 0.00 CFSM 0.04 0.07 0.26 0.71 0.93 0.25 0.10 0.09 0.03 0.36 0.04 0.02 IN. 0.05 0.08 0.30 0.82 0.97 0.28 0.11 0.10 0.03 0.41 0.05 0.02 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1951 - 1999, BY WATER YEAR (WY) MEAN 100 90.2 165 277 371 389 246 120 115 105 119 112 MAX 832 467 679 717 1080 1044 595 398 608 744 773 965 (WY) 1965 1986 1998 1998 1998 1980 1973 1954 1973 1975 1991 1969 MIN 0.00 0.67 16.1 20.7 29.1 32.9 20.4 3.11 5.83 0.06 0.03 0.00 (WY) 1955 1955 1955 1957 1957 1955 1999 1995 1999 1998 1954 1954 SUMMARY STATISTICS FOR 1998 CALENDAR YEAR FOR 1999 WATER YEAR WATER YEARS 1951 - 1999 ANNUAL TOTAL 17572.13 ANNUAL MEAN 48.1 184 HIGHEST ANNUAL MEAN 395 1991 LOWEST ANNUAL MEAN 38.2 1968 HIGHEST DAILY MEAN 709 Feb 3 6590 Sep 2 1969 LOWEST DAILY MEAN 0.00 May 25 0.00 Aug 31 1951 ANNUAL SEVEN-DAY MINIMUM 0.00 May 25 0.00 Jun 29 1954 MAXIMUM PEAK FLOW 740 Feb 3 8160 Sep 2 1969 MAXIMUM PEAK STAGE 4.14 Feb 3 8.39 Sep 2 1969 ANNUAL RUNOFF (CFSM) 0.237 0.907 ANNUAL RUNOFF (INCHES) 3.22 12.33 10 PERCENT EXCEEDS 101 485 50 PERCENT EXCEEDS 22 77 90 PERCENT EXCEEDS 0.00 3.3 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02176500 COOSAWHATCHIE RIVER NEAR HAMPTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 049 LATITUDE 325010 LONGITUDE 0810755 NAD27 DRAINAGE AREA 203.00* CONTRIBUTING DRAINAGE AREA DATUM 50.30 NGVD29 Date Processed: 2005-04-11 11:59 By mishealy APPROVED DD #16, ,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 30 5.8 29 27 228 84 72 7.2 0.00 0.00 0.00 0.00 2 29 7.7 29 29 192 75 66 6.3 0.00 0.00 0.00 0.00 3 22 8.7 27 28 145 62 61 5.0 0.00 0.00 0.00 0.00 4 31 8.9 26 29 113 77 53 3.4 0.00 0.00 0.00 0.00 5 38 9.5 25 34 95 101 44 2.3 0.00 0.00 0.00 0.00 6 20 8.6 25 32 82 123 36 1.4 0.00 0.00 0.00 0.00 7 13 7.6 24 40 72 114 31 0.53 0.00 0.00 0.00 0.00 8 8.4 7.6 23 47 65 93 27 0.00 0.00 0.00 0.00 0.00 9 6.4 7.6 24 48 59 75 27 0.00 0.00 0.00 0.00 0.00 10 5.2 8.1 24 58 58 63 24 0.00 0.00 0.00 0.00 0.00 11 4.2 9.0 24 69 54 56 20 0.00 0.00 0.00 0.00 0.00 12 4.0 12 24 78 52 64 17 0.00 0.00 0.00 0.00 0.00 13 12 11 25 77 50 63 16 0.00 0.00 0.00 0.00 0.00 14 20 12 33 63 116 61 21 0.00 0.00 0.00 0.00 0.00 15 17 14 30 46 207 61 36 0.00 0.00 0.00 0.00 0.00 16 13 16 31 37 254 60 48 0.00 0.00 0.00 0.00 0.00 17 13 17 32 34 235 92 49 0.00 0.00 0.00 0.00 0.00 18 13 18 30 30 163 120 41 0.00 0.00 0.00 0.00 0.00 19 12 18 183 29 127 160 32 0.00 0.00 0.00 0.00 0.00 20 14 19 173 38 103 258 24 0.00 0.00 0.00 0.00 0.01 21 12 19 187 40 86 362 18 0.00 0.00 0.00 0.34 1.2 22 11 20 168 37 74 410 15 0.00 0.00 0.00 0.17 2.9 23 10 21 111 47 66 351 8.6 0.00 0.00 0.00 0.00 15 24 9.0 23 75 91 60 236 7.6 0.00 0.00 0.00 0.00 24 25 8.1 22 56 185 57 169 9.5 0.00 0.00 0.00 0.18 37 26 7.4 24 45 220 56 131 10 0.00 0.00 0.00 0.38 36 27 6.5 25 41 194 57 109 8.9 0.00 0.00 0.00 0.00 25 28 5.8 26 34 136 77 99 12 0.00 0.00 0.00 0.00 17 29 5.1 29 33 107 84 85 10 0.00 0.00 0.00 0.00 11 30 4.9 30 29 144 --- 74 8.2 0.00 0.00 0.00 0.00 8.2 31 4.9 --- 28 214 --- 74 --- 0.00 --- 0.00 0.00 --- TOTAL 409.9 465.1 1648 2288 3087 3962 852.8 26.13 0.00 0.00 1.07 177.31 MEAN 13.2 15.5 53.2 73.8 106 128 28.4 0.84 0.00 0.00 0.03 5.91 MAX 38 30 187 220 254 410 72 7.2 0.00 0.00 0.38 37 MIN 4.0 5.8 23 27 50 56 7.6 0.00 0.00 0.00 0.00 0.00 CFSM 0.07 0.08 0.26 0.36 0.52 0.63 0.14 0.00 0.00 0.00 0.00 0.03 IN. 0.08 0.09 0.30 0.42 0.57 0.73 0.16 0.00 0.00 0.00 0.00 0.03 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1951 - 2000, BY WATER YEAR (WY) MEAN 98.5 88.7 163 273 365 384 242 118 112 103 116 110 MAX 832 467 679 717 1080 1044 595 398 608 744 773 965 (WY) 1965 1986 1998 1998 1998 1980 1973 1954 1973 1975 1991 1969 MIN 0.00 0.67 16.1 20.7 29.1 32.9 20.4 0.84 0.00 0.00 0.03 0.00 (WY) 1955 1955 1955 1957 1957 1955 1999 2000 2000 2000 1954 1954 SUMMARY STATISTICS FOR 1999 CALENDAR YEAR FOR 2000 WATER YEAR WATER YEARS 1951 - 2000 ANNUAL TOTAL 12917.31 ANNUAL MEAN 35.3 181 HIGHEST ANNUAL MEAN 395 1991 LOWEST ANNUAL MEAN 35.3 2000 HIGHEST DAILY MEAN 410 Mar 22 6590 Sep 2 1969 LOWEST DAILY MEAN 0.00 May 8 0.00 Aug 31 1951 ANNUAL SEVEN-DAY MINIMUM 0.00 May 8 0.00 Jun 29 1954 MAXIMUM PEAK FLOW 424 Mar 22 8160 Sep 2 1969 MAXIMUM PEAK STAGE 3.77 Mar 22 8.39 Sep 2 1969 ANNUAL RUNOFF (CFSM) 0.174 0.892 ANNUAL RUNOFF (INCHES) 2.37 12.12 10 PERCENT EXCEEDS 100 480 50 PERCENT EXCEEDS 12 74 90 PERCENT EXCEEDS 0.00 3.0 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02176500 COOSAWHATCHIE RIVER NEAR HAMPTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 049 LATITUDE 325010 LONGITUDE 0810755 NAD27 DRAINAGE AREA 203.00* CONTRIBUTING DRAINAGE AREA DATUM 50.30 NGVD29 Date Processed: 2005-04-11 11:59 By mishealy APPROVED DD #16, ,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 7.2 0.00 32 115 54 84 276 15 0.00 0.51 52 16 2 5.2 0.00 26 97 54 78 231 12 0.00 1.8 28 18 3 3.2 0.00 21 77 52 83 195 8.6 0.00 3.8 15 21 4 1.9 0.00 17 66 61 170 177 6.6 0.00 16 8.1 21 5 1.0 0.00 14 58 72 277 160 5.3 0.00 114 4.9 34 6 0.30 0.00 13 55 78 324 150 3.7 0.00 319 2.5 39 7 0.00 0.00 12 48 78 263 142 2.2 0.00 186 1.0 59 8 0.00 0.00 12 54 70 180 128 1.2 0.00 100 0.11 43 9 0.00 0.00 14 57 65 141 115 0.55 0.00 60 0.00 31 10 0.00 0.00 53 57 62 117 102 0.09 0.00 39 0.00 35 11 0.00 0.00 63 58 56 102 89 0.00 0.00 26 0.00 53 12 0.00 0.00 96 61 59 102 79 0.00 0.00 18 0.61 42 13 0.00 0.00 105 62 68 257 71 0.00 0.00 15 15 34 14 0.00 0.00 96 62 75 282 69 0.00 0.00 15 29 27 15 0.00 0.00 84 65 80 400 65 0.00 0.00 12 22 29 16 0.00 0.00 73 62 74 673 72 0.00 0.00 9.9 13 28 17 0.00 0.00 76 58 71 677 71 0.00 0.00 6.7 11 21 18 0.00 0.00 66 63 61 515 70 0.00 0.00 4.3 9.6 14 19 0.00 0.00 57 59 55 349 61 0.00 0.00 2.4 68 9.8 20 0.00 0.00 58 69 50 321 57 0.00 0.00 1.2 88 7.5 21 0.00 0.00 51 70 47 504 49 0.00 0.00 0.50 150 6.5 22 0.00 0.00 50 69 62 594 42 0.00 0.00 0.00 118 5.8 23 0.00 0.00 45 90 91 476 33 0.00 0.00 0.00 93 6.1 24 0.00 0.00 38 95 118 361 27 0.00 0.00 0.00 58 13 25 0.00 2.7 34 101 129 295 26 0.00 0.00 0.00 35 33 26 0.00 30 31 93 121 264 30 0.00 0.00 0.00 19 65 27 0.00 36 29 82 103 240 28 0.00 0.00 0.03 11 62 28 0.00 42 37 72 90 213 26 0.00 0.00 3.0 7.2 44 29 0.00 42 76 64 --- 227 23 0.00 0.00 23 5.2 34 30 0.00 39 97 60 --- 276 18 0.00 0.00 110 4.4 24 31 0.00 --- 120 58 --- 300 --- 0.00 --- 85 6.6 --- TOTAL 18.80 191.70 1596 2157 2056 9145 2682 55.24 0.00 1172.14 875.22 875.7 MEAN 0.61 6.39 51.5 69.6 73.4 295 89.4 1.78 0.00 37.8 28.2 29.2 MAX 7.2 42 120 115 129 677 276 15 0.00 319 150 65 MIN 0.00 0.00 12 48 47 78 18 0.00 0.00 0.00 0.00 5.8 CFSM 0.00 0.03 0.25 0.34 0.36 1.45 0.44 0.01 0.00 0.19 0.14 0.14 IN. 0.00 0.04 0.29 0.40 0.38 1.68 0.49 0.01 0.00 0.21 0.16 0.16 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1951 - 2001, BY WATER YEAR (WY) MEAN 96.5 87.0 161 269 360 382 239 115 110 101 114 108 MAX 832 467 679 717 1080 1044 595 398 608 744 773 965 (WY) 1965 1986 1998 1998 1998 1980 1973 1954 1973 1975 1991 1969 MIN 0.00 0.67 16.1 20.7 29.1 32.9 20.4 0.84 0.00 0.00 0.03 0.00 (WY) 1955 1955 1955 1957 1957 1955 1999 2000 2000 2000 1954 1954 SUMMARY STATISTICS FOR 2000 CALENDAR YEAR FOR 2001 WATER YEAR WATER YEARS 1951 - 2001 ANNUAL TOTAL 20824.80 ANNUAL MEAN 57.1 179 HIGHEST ANNUAL MEAN 395 1991 LOWEST ANNUAL MEAN 35.3 2000 HIGHEST DAILY MEAN 677 Mar 17 6590 Sep 2 1969 LOWEST DAILY MEAN 0.00 Oct 7 0.00 Aug 31 1951 ANNUAL SEVEN-DAY MINIMUM 0.00 Oct 7 0.00 Jun 29 1954 MAXIMUM PEAK FLOW 722 Mar 16 8160 Sep 2 1969 MAXIMUM PEAK STAGE 4.12 Mar 16 8.39 Sep 2 1969 ANNUAL RUNOFF (CFSM) 0.281 0.880 ANNUAL RUNOFF (INCHES) 3.82 11.96 10 PERCENT EXCEEDS 128 475 50 PERCENT EXCEEDS 26 72 90 PERCENT EXCEEDS 0.00 2.8 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02176500 COOSAWHATCHIE RIVER NEAR HAMPTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 049 LATITUDE 325010 LONGITUDE 0810755 NAD27 DRAINAGE AREA 203.00* CONTRIBUTING DRAINAGE AREA DATUM 50.30 NGVD29 Date Processed: 2005-04-11 11:59 By mishealy APPROVED DD #16, ,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 15 0.00 3.1 19 48 5.6 51 1.5 0.00 0.00 0.00 0.00 2 10 0.00 3.3 22 45 12 51 0.43 0.00 0.00 0.00 0.00 3 7.5 0.09 3.5 27 45 45 47 0.00 0.00 0.00 0.00 0.00 4 5.8 0.22 3.6 28 46 78 38 0.00 0.00 0.00 0.00 0.00 5 4.7 0.00 3.6 31 44 91 27 0.00 0.00 0.00 0.00 0.00 6 4.0 0.00 3.4 37 47 81 22 0.00 0.00 0.00 0.00 0.00 7 3.3 0.00 3.3 44 82 67 19 0.00 0.00 0.00 0.00 0.00 8 2.7 0.00 3.4 41 91 56 16 0.00 0.00 0.00 0.00 0.00 9 2.0 0.00 3.5 42 103 47 13 0.00 0.00 0.00 0.00 0.00 10 1.9 0.00 4.0 43 116 42 13 0.00 0.00 0.00 0.00 0.00 11 2.1 0.00 8.9 41 92 37 13 0.00 0.00 0.00 0.00 0.00 12 2.9 0.00 20 40 64 35 14 0.00 0.00 0.00 0.00 0.00 13 4.0 0.00 20 50 44 39 14 0.00 0.00 0.00 0.00 0.00 14 4.2 0.00 17 49 31 41 13 0.00 0.00 0.00 0.00 0.00 15 3.7 0.00 14 54 21 46 12 0.00 0.00 0.00 0.00 0.00 16 2.6 0.00 11 55 14 43 10 0.00 0.00 0.00 0.00 0.00 17 1.4 0.00 9.8 55 9.0 40 14 0.00 0.00 0.00 0.00 0.00 18 0.87 0.00 9.9 52 6.2 36 16 0.00 0.00 0.00 0.00 0.00 19 0.43 0.00 9.0 48 5.7 32 16 0.00 0.00 0.00 0.00 0.00 20 0.22 0.00 8.0 48 5.7 29 12 0.00 0.00 0.00 0.00 0.00 21 0.00 0.00 7.4 46 6.7 34 7.8 0.00 0.00 0.00 0.00 0.00 22 0.00 0.00 7.2 44 7.1 36 6.0 0.00 0.00 0.00 0.00 0.00 23 0.00 0.00 7.1 43 6.6 35 6.1 0.00 0.00 0.00 0.00 0.00 24 0.00 0.00 7.0 41 6.0 35 6.9 0.00 0.00 0.00 0.00 0.00 25 0.00 0.07 6.8 43 6.0 33 6.6 0.00 0.00 0.00 0.00 0.00 26 0.00 0.98 6.9 43 6.0 33 6.0 0.00 0.00 0.00 0.00 0.00 27 0.00 1.5 6.7 41 6.3 36 5.3 0.00 0.00 0.00 0.00 0.00 28 0.00 2.3 7.3 41 6.5 34 5.1 0.00 0.00 0.00 0.00 0.00 29 0.00 3.1 12 43 --- 36 4.0 0.00 0.00 0.00 0.00 2.1 30 0.00 3.1 17 45 --- 36 2.5 0.00 0.00 0.00 0.00 4.4 31 0.00 --- 18 48 --- 35 --- 0.00 --- 0.00 0.00 --- TOTAL 79.32 11.36 265.7 1304 1010.8 1285.6 487.3 1.93 0.00 0.00 0.00 6.50 MEAN 2.56 0.38 8.57 42.1 36.1 41.5 16.2 0.06 0.00 0.00 0.00 0.22 MAX 15 3.1 20 55 116 91 51 1.5 0.00 0.00 0.00 4.4 MIN 0.00 0.00 3.1 19 5.7 5.6 2.5 0.00 0.00 0.00 0.00 0.00 CFSM 0.01 0.00 0.04 0.21 0.18 0.20 0.08 0.00 0.00 0.00 0.00 0.00 IN. 0.01 0.00 0.05 0.24 0.19 0.24 0.09 0.00 0.00 0.00 0.00 0.00 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1951 - 2002, BY WATER YEAR (WY) MEAN 94.7 85.3 158 265 353 375 235 113 108 99.5 112 106 MAX 832 467 679 717 1080 1044 595 398 608 744 773 965 (WY) 1965 1986 1998 1998 1998 1980 1973 1954 1973 1975 1991 1969 MIN 0.00 0.38 8.57 20.7 29.1 32.9 16.2 0.06 0.00 0.00 0.00 0.00 (WY) 1955 2002 2002 1957 1957 1955 2002 2002 2000 2000 2002 1954 SUMMARY STATISTICS FOR 2001 CALENDAR YEAR FOR 2002 WATER YEAR WATER YEARS 1951 - 2002 ANNUAL TOTAL 19374.68 4452.51 ANNUAL MEAN 53.1 12.2 175 HIGHEST ANNUAL MEAN 395 1991 LOWEST ANNUAL MEAN 12.2 2002 HIGHEST DAILY MEAN 677 Mar 17 116 Feb 10 6590 Sep 2 1969 LOWEST DAILY MEAN 0.00 May 11 0.00 Oct 21 0.00 Aug 31 1951 ANNUAL SEVEN-DAY MINIMUM 0.00 May 11 0.00 Oct 21 0.00 Jun 29 1954 MAXIMUM PEAK FLOW 121 Feb 10 8160 Sep 2 1969 MAXIMUM PEAK STAGE 3.22 Mar 4 8.39 Sep 2 1969 ANNUAL RUNOFF (CFSM) 0.261 0.060 0.864 ANNUAL RUNOFF (INCHES) 3.55 0.82 11.74 10 PERCENT EXCEEDS 128 44 470 50 PERCENT EXCEEDS 12 0.07 69 90 PERCENT EXCEEDS 0.00 0.00 2.5 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02176500 COOSAWHATCHIE RIVER NEAR HAMPTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 049 LATITUDE 325010 LONGITUDE 0810755 NAD27 DRAINAGE AREA 203.00* CONTRIBUTING DRAINAGE AREA DATUM 50.30 NGVD29 Date Processed: 2005-04-11 11:59 By mishealy APPROVED DD #16, ,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 3.0 24 86 175 43 243 238 101 71 73 128 101 2 2.7 19 77 171 43 348 214 81 55 165 110 102 3 1.9 16 73 168 41 450 190 76 50 516 170 114 4 1.1 13 70 155 42 459 167 72 54 733 169 151 5 0.30 12 71 137 40 396 145 76 51 582 130 286 6 0.00 31 77 121 38 314 133 74 59 381 125 489 7 0.00 61 84 104 47 323 133 75 85 257 145 922 8 0.49 121 93 94 58 428 160 76 135 191 196 1100 9 1.1 119 94 87 70 497 281 78 184 154 511 853 10 2.2 127 99 77 73 433 700 75 179 119 710 588 11 6.5 166 110 67 72 335 1290 64 150 101 559 414 12 8.1 236 120 60 66 262 1160 50 121 99 414 329 13 11 257 162 54 59 217 822 38 174 82 325 266 14 11 270 210 49 53 202 588 28 364 75 259 208 15 10 252 238 45 49 282 429 27 395 74 207 178 16 16 228 222 42 54 839 325 28 403 70 173 145 17 17 281 194 41 88 1520 259 44 334 133 150 115 18 15 337 166 41 136 1350 215 90 288 108 226 92 19 12 345 147 40 153 1190 222 160 256 114 228 74 20 9.0 305 143 39 135 1110 244 230 189 178 183 60 21 8.1 252 143 40 108 2090 210 242 135 196 151 51 22 8.8 207 148 43 104 2120 178 202 99 162 122 44 23 8.2 174 146 49 121 1370 146 400 72 128 102 49 24 7.8 153 169 55 118 924 123 726 54 110 95 58 25 8.0 133 299 58 123 684 137 604 40 151 514 66 26 8.3 121 413 56 107 523 197 409 30 241 778 59 27 8.1 112 388 53 134 427 253 290 23 262 450 50 28 8.7 103 312 47 182 366 218 213 19 313 314 44 29 20 95 243 44 --- 330 169 160 23 213 216 38 30 25 90 200 43 --- 293 131 119 48 185 155 31 31 31 --- 174 44 --- 260 --- 91 --- 167 119 --- TOTAL 270.39 4660 5171 2299 2357 20585 9677 4999 4140 6333 8134 7077 MEAN 8.72 155 167 74.2 84.2 664 323 161 138 204 262 236 MAX 31 345 413 175 182 2120 1290 726 403 733 778 1100 MIN 0.00 12 70 39 38 202 123 27 19 70 95 31 CFSM 0.04 0.77 0.82 0.37 0.41 3.27 1.59 0.79 0.68 1.01 1.29 1.16 IN. 0.05 0.85 0.95 0.42 0.43 3.77 1.77 0.92 0.76 1.16 1.49 1.30 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1951 - 2003, BY WATER YEAR (WY) MEAN 93.1 86.7 158 261 348 381 236 114 109 102 115 108 MAX 832 467 679 717 1080 1044 595 398 608 744 773 965 (WY) 1965 1986 1998 1998 1998 1980 1973 1954 1973 1975 1991 1969 MIN 0.00 0.38 8.57 20.7 29.1 32.9 16.2 0.06 0.00 0.00 0.00 0.00 (WY) 1955 2002 2002 1957 1957 1955 2002 2002 2000 2000 2002 1954 SUMMARY STATISTICS FOR 2002 CALENDAR YEAR FOR 2003 WATER YEAR WATER YEARS 1951 - 2003 ANNUAL TOTAL 14197.52 75702.39 ANNUAL MEAN 38.9 207 176 HIGHEST ANNUAL MEAN 395 1991 LOWEST ANNUAL MEAN 12.2 2002 HIGHEST DAILY MEAN 413 Dec 26 2120 Mar 22 6590 Sep 2 1969 LOWEST DAILY MEAN 0.00 May 3 0.00 Oct 6 0.00 Aug 31 1951 ANNUAL SEVEN-DAY MINIMUM 0.00 May 3 0.70 Oct 3 0.00 Jun 29 1954 MAXIMUM PEAK FLOW 2440 Mar 22 8160 Sep 2 1969 MAXIMUM PEAK STAGE 5.35 Mar 22 8.39 Sep 2 1969 ANNUAL RUNOFF (CFSM) 0.192 1.02 0.867 ANNUAL RUNOFF (INCHES) 2.60 13.87 11.78 10 PERCENT EXCEEDS 121 431 470 50 PERCENT EXCEEDS 6.7 131 70 90 PERCENT EXCEEDS 0.00 24 2.5 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02176500 COOSAWHATCHIE RIVER NEAR HAMPTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 049 LATITUDE 325010 LONGITUDE 0810755 NAD27 DRAINAGE AREA 203.00* CONTRIBUTING DRAINAGE AREA DATUM 50.30 NGVD29 Date Processed: 2005-04-11 11:59 By mishealy APPROVED DD #16, ,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 25 247 73 57 141 758 52 23 0.00 25 12 48 2 22 164 62 57 118 595 50 32 0.00 49 12 116 3 18 117 54 56 143 482 46 96 0.00 70 11 99 4 16 91 59 54 174 400 43 140 0.00 74 9.5 66 5 15 76 81 53 158 340 39 111 0.00 56 7.7 43 6 14 75 106 54 139 296 35 75 0.00 45 5.9 42 7 15 100 99 52 162 263 32 47 0.00 32 4.0 214 8 18 107 86 50 174 231 33 30 0.00 22 2.3 568 9 21 95 74 53 157 197 39 20 0.00 16 0.98 599 10 25 83 78 61 138 183 41 14 0.00 14 0.04 435 11 31 74 123 65 122 182 39 12 0.00 12 0.19 297 12 39 67 162 65 201 171 50 24 0.00 8.9 1.6 277 13 41 60 147 62 489 159 54 32 0.00 8.2 20 230 14 37 53 145 57 558 144 52 28 0.20 7.5 37 187 15 33 47 165 55 746 133 41 23 4.0 6.3 42 144 16 28 44 169 51 786 125 35 22 31 6.3 35 104 17 24 42 152 48 677 121 31 17 87 8.0 30 88 18 26 40 138 48 551 115 28 13 95 17 25 80 19 32 46 121 49 446 112 23 11 47 19 18 70 20 41 57 105 46 360 100 20 9.4 28 23 12 58 21 51 68 91 43 298 92 17 7.9 21 21 8.1 43 22 45 71 85 43 254 82 15 6.4 26 12 8.3 32 23 36 64 78 42 214 72 12 5.3 43 8.7 34 25 24 31 58 73 38 192 68 10 4.3 67 7.8 44 20 25 26 52 70 38 188 66 9.0 3.0 63 6.6 20 17 26 23 46 67 58 865 63 9.1 2.2 44 5.5 11 14 27 22 43 62 276 2100 61 17 1.0 36 4.3 8.5 29 28 48 46 60 494 1670 58 18 0.03 31 6.2 6.9 73 29 262 64 57 374 1060 55 19 0.00 24 14 5.3 137 30 487 74 57 257 --- 53 19 0.00 20 16 4.5 150 31 369 --- 58 181 --- 53 --- 0.00 --- 12 17 --- TOTAL 1921 2271 2957 2937 13281 5830 928.1 809.53 667.20 633.3 453.81 4305 MEAN 62.0 75.7 95.4 94.7 458 188 30.9 26.1 22.2 20.4 14.6 144 MAX 487 247 169 494 2100 758 54 140 95 74 44 599 MIN 14 40 54 38 118 53 9.0 0.00 0.00 4.3 0.04 14 CFSM 0.31 0.37 0.47 0.47 2.26 0.93 0.15 0.13 0.11 0.10 0.07 0.71 IN. 0.35 0.42 0.54 0.54 2.43 1.07 0.17 0.15 0.12 0.12 0.08 0.79 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1951 - 2004, BY WATER YEAR (WY) MEAN 92.5 86.5 157 258 350 377 232 112 107 100 113 109 MAX 832 467 679 717 1080 1044 595 398 608 744 773 965 (WY) 1965 1986 1998 1998 1998 1980 1973 1954 1973 1975 1991 1969 MIN 0.00 0.38 8.57 20.7 29.1 32.9 16.2 0.06 0.00 0.00 0.00 0.00 (WY) 1955 2002 2002 1957 1957 1955 2002 2002 2000 2000 2002 1954 SUMMARY STATISTICS FOR 2003 CALENDAR YEAR FOR 2004 WATER YEAR WATER YEARS 1951 - 2004 ANNUAL TOTAL 72750 36993.94 ANNUAL MEAN 199 101 175 HIGHEST ANNUAL MEAN 395 1991 LOWEST ANNUAL MEAN 12.2 2002 HIGHEST DAILY MEAN 2120 Mar 22 2100 Feb 27 6590 Sep 2 1969 LOWEST DAILY MEAN 14 Oct 6 0.00 May 29 0.00 Aug 31 1951 ANNUAL SEVEN-DAY MINIMUM 17 Oct 3 0.00 May 29 0.00 Jun 29 1954 MAXIMUM PEAK FLOW 2170 Feb 27 8160 Sep 2 1969 MAXIMUM PEAK STAGE 5.18 Feb 27 8.39 Sep 2 1969 ANNUAL RUNOFF (CFSM) 0.982 0.498 0.860 ANNUAL RUNOFF (INCHES) 13.33 6.78 11.69 10 PERCENT EXCEEDS 440 219 468 50 PERCENT EXCEEDS 110 47 69 90 PERCENT EXCEEDS 40 6.3 2.6