1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02186000 TWELVEMILE CREEK NEAR LIBERTY, SC SOURCE AGENCY USGS STATE 45 COUNTY 077 LATITUDE 344805 LONGITUDE 0824455 NAD27 DRAINAGE AREA 106.00* CONTRIBUTING DRAINAGE AREA DATUM 822.18 NGVD29 Date Processed: 2004-08-20 15:11 By mishealy APPROVED DD #14, ,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 --- --- --- --- --- --- --- --- --- --- 65 42 2 --- --- --- --- --- --- --- --- --- --- 68 42 3 --- --- --- --- --- --- --- --- --- --- 57 41 4 --- --- --- --- --- --- --- --- --- --- 54 39 5 --- --- --- --- --- --- --- --- --- --- 51 37 6 --- --- --- --- --- --- --- --- --- --- 57 37 7 --- --- --- --- --- --- --- --- --- --- 68 37 8 --- --- --- --- --- --- --- --- --- --- 57 35 9 --- --- --- --- --- --- --- --- --- --- 58 35 10 --- --- --- --- --- --- --- --- --- --- 58 35 11 --- --- --- --- --- --- --- --- --- --- 50 45 12 --- --- --- --- --- --- --- --- --- --- 48 37 13 --- --- --- --- --- --- --- --- --- --- 54 37 14 --- --- --- --- --- --- --- --- --- --- 50 37 15 --- --- --- --- --- --- --- --- --- --- 52 37 16 --- --- --- --- --- --- --- --- --- --- 49 39 17 --- --- --- --- --- --- --- --- --- --- 47 39 18 --- --- --- --- --- --- --- --- --- --- 51 37 19 --- --- --- --- --- --- --- --- --- --- 69 34 20 --- --- --- --- --- --- --- --- --- --- 51 33 21 --- --- --- --- --- --- --- --- --- --- 49 35 22 --- --- --- --- --- --- --- --- --- --- 58 36 23 --- --- --- --- --- --- --- --- --- --- 50 35 24 --- --- --- --- --- --- --- --- --- --- 50 34 25 --- --- --- --- --- --- --- --- --- --- 48 34 26 --- --- --- --- --- --- --- --- --- --- 47 34 27 --- --- --- --- --- --- --- --- --- --- 48 37 28 --- --- --- --- --- --- --- --- --- --- 56 34 29 --- --- --- --- --- --- --- --- --- --- 68 34 30 --- --- --- --- --- --- --- --- --- --- 50 34 31 --- --- --- --- --- --- --- --- --- --- 45 --- TOTAL --- --- --- --- --- --- --- --- --- --- 1683 1102 MEAN --- --- --- --- --- --- --- --- --- --- 54.3 36.7 MAX --- --- --- --- --- --- --- --- --- --- 69 45 MIN --- --- --- --- --- --- --- --- --- --- 45 33 CFSM --- --- --- --- --- --- --- --- --- --- 0.51 0.35 IN. --- --- --- --- --- --- --- --- --- --- 0.59 0.39 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02186000 TWELVEMILE CREEK NEAR LIBERTY, SC SOURCE AGENCY USGS STATE 45 COUNTY 077 LATITUDE 344805 LONGITUDE 0824455 NAD27 DRAINAGE AREA 106.00* CONTRIBUTING DRAINAGE AREA DATUM 822.18 NGVD29 Date Processed: 2004-08-20 15:11 By mishealy APPROVED DD #14, ,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 35 46 83 166 86 120 91 100 103 65 55 44 2 35 47 77 183 103 114 100 98 103 64 55 49 3 33 47 72 145 93 111 298 93 98 62 55 47 4 34 48 68 126 86 114 156 93 96 58 55 46 5 32 59 123 116 85 113 132 91 93 59 55 44 6 33 52 326 107 1220 111 208 86 91 61 55 60 7 37 49 136 100 2040 114 286 85 95 75 55 52 8 36 49 102 95 426 100 193 83 102 64 55 43 9 37 49 120 93 263 96 163 80 98 108 55 45 10 37 49 122 102 208 102 150 77 93 160 55 44 11 37 51 98 176 263 103 273 77 238 120 55 42 12 37 51 90 124 206 100 268 77 114 104 55 42 13 36 51 133 111 168 116 243 180 96 105 55 42 14 35 51 128 100 154 132 438 150 90 88 55 42 15 36 52 103 98 145 118 268 144 86 88 55 39 16 37 70 90 95 137 114 210 128 83 80 55 38 17 37 88 86 90 141 109 186 156 83 80 55 36 18 39 65 133 90 124 103 163 118 80 80 55 34 19 37 64 113 139 118 109 150 100 85 80 60 35 20 38 120 96 132 113 113 141 93 82 80 76 34 21 41 71 88 116 111 109 141 654 80 80 58 34 22 42 61 85 154 109 175 150 1490 82 80 54 33 23 42 67 82 145 139 141 130 526 90 80 73 32 24 42 74 75 130 137 124 137 256 95 80 60 35 25 41 69 72 116 150 114 141 228 84 80 48 49 26 40 61 72 105 130 118 122 168 83 80 47 43 27 41 65 72 103 124 105 116 147 75 80 47 39 28 41 97 80 98 122 103 111 139 75 80 45 39 29 45 202 236 93 --- 98 107 126 74 80 44 41 30 43 98 318 91 --- 96 102 118 68 80 45 42 31 43 --- 180 88 --- 95 --- 111 --- 80 42 --- TOTAL 1179 2023 3659 3627 7201 3490 5374 6072 2815 2561 1689 1245 MEAN 38.0 67.4 118 117 257 113 179 196 93.8 82.6 54.5 41.5 MAX 45 202 326 183 2040 175 438 1490 238 160 76 60 MIN 32 46 68 88 85 95 91 77 68 58 42 32 CFSM 0.36 0.64 1.11 1.10 2.43 1.06 1.69 1.85 0.89 0.78 0.51 0.39 IN. 0.41 0.71 1.28 1.27 2.53 1.22 1.89 2.13 0.99 0.90 0.59 0.44 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02186000 TWELVEMILE CREEK NEAR LIBERTY, SC SOURCE AGENCY USGS STATE 45 COUNTY 077 LATITUDE 344805 LONGITUDE 0824455 NAD27 DRAINAGE AREA 106.00* CONTRIBUTING DRAINAGE AREA DATUM 822.18 NGVD29 Date Processed: 2004-08-20 15:11 By mishealy APPROVED DD #14, ,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 1 152 56 59 48 64 180 120 134 88 75 68 43 2 72 57 62 48 192 183 118 139 88 68 61 41 3 59 56 62 48 258 161 114 220 83 72 58 52 4 48 56 62 47 440 159 113 213 82 105 56 49 5 47 55 59 47 356 139 111 150 83 110 66 44 6 48 56 57 48 1250 132 462 143 85 102 93 64 7 50 55 58 48 906 139 432 280 83 241 55 117 8 76 54 57 48 316 124 233 223 80 257 49 84 9 66 54 58 51 218 113 183 173 78 230 47 56 10 54 64 56 47 168 113 161 154 74 128 47 49 11 54 80 56 45 216 109 674 143 72 91 45 47 12 49 59 56 45 180 109 392 132 74 80 46 46 13 47 57 56 44 152 114 256 126 77 75 46 45 14 49 58 55 44 128 137 206 120 90 75 44 42 15 47 57 56 46 120 185 484 113 136 72 47 41 16 48 56 55 48 118 1180 2140 109 93 72 54 39 17 48 55 55 47 658 600 592 105 80 86 46 39 18 48 52 54 46 420 296 368 105 74 69 50 38 19 50 78 56 74 332 220 258 102 74 81 47 37 20 48 71 51 76 1070 183 218 100 80 76 56 37 21 48 61 50 59 402 166 190 98 80 88 96 35 22 47 57 50 55 263 154 180 96 74 72 96 36 23 46 80 50 61 203 137 168 95 71 74 56 37 24 46 119 50 83 178 132 156 96 69 90 49 37 25 46 88 50 72 186 120 150 107 125 74 46 72 26 47 114 50 66 188 118 145 102 87 69 45 430 27 48 82 50 62 210 114 141 107 75 68 46 147 28 48 74 48 62 343 113 141 100 66 62 46 91 29 71 66 47 62 226 222 139 96 61 58 51 74 30 61 62 49 64 --- 156 132 93 68 56 45 71 31 56 --- 48 64 --- 134 --- 91 --- 59 44 --- TOTAL 1724 1989 1682 1705 9761 6142 9177 4065 2450 2935 1701 2040 MEAN 55.6 66.3 54.3 55.0 337 198 306 131 81.7 94.7 54.9 68.0 MAX 152 119 62 83 1250 1180 2140 280 136 257 96 430 MIN 46 52 47 44 64 109 111 91 61 56 44 35 CFSM 0.52 0.63 0.51 0.52 3.18 1.87 2.89 1.24 0.77 0.89 0.52 0.64 IN. 0.61 0.70 0.59 0.60 3.43 2.16 3.22 1.43 0.86 1.03 0.60 0.72 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02186000 TWELVEMILE CREEK NEAR LIBERTY, SC SOURCE AGENCY USGS STATE 45 COUNTY 077 LATITUDE 344805 LONGITUDE 0824455 NAD27 DRAINAGE AREA 106.00* CONTRIBUTING DRAINAGE AREA DATUM 822.18 NGVD29 Date Processed: 2004-08-20 15:11 By mishealy APPROVED DD #14, ,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 68 91 74 116 1570 418 161 124 93 95 55 45 2 64 77 72 109 676 270 296 120 91 85 51 44 3 59 66 71 103 418 210 193 118 88 82 47 43 4 65 64 69 110 343 180 390 114 90 75 60 42 5 62 64 71 214 296 168 2530 113 151 72 122 43 6 59 64 72 152 268 154 1140 114 137 69 57 41 7 64 64 72 141 263 166 406 107 120 68 49 40 8 55 78 71 126 228 266 318 102 103 65 47 48 9 54 69 69 122 218 178 270 100 100 61 46 146 10 54 62 69 120 198 156 226 96 100 59 43 106 11 52 62 68 113 180 145 206 118 100 58 42 82 12 52 62 74 113 163 139 193 111 95 57 42 65 13 52 61 86 111 152 134 180 98 88 57 39 57 14 52 59 100 109 143 141 170 95 101 57 52 57 15 50 59 146 109 139 156 161 94 83 55 74 58 16 49 65 143 109 141 134 154 105 147 56 51 136 17 47 564 114 107 130 126 152 93 173 60 45 586 18 51 390 102 100 124 132 161 91 119 109 136 381 19 62 186 93 98 218 228 173 158 91 82 187 186 20 56 130 91 96 216 163 152 152 83 69 108 159 21 64 118 91 103 161 147 145 102 92 64 75 175 22 231 109 120 176 143 178 145 99 88 61 68 120 23 186 90 410 908 137 156 150 144 191 61 58 148 24 98 83 618 393 132 150 134 123 214 75 56 100 25 82 80 330 330 159 356 124 128 124 80 56 83 26 75 78 233 273 213 260 120 109 111 65 56 77 27 74 77 190 256 308 208 116 105 102 65 51 75 28 66 77 166 228 343 176 111 96 120 65 49 75 29 64 77 143 356 --- 159 111 95 161 59 49 138 30 64 77 128 443 --- 147 175 98 103 57 48 130 31 65 --- 122 580 --- 141 --- 98 --- 59 46 --- TOTAL 2196 3203 4278 6424 7680 5742 8963 3420 3459 2102 1965 3486 MEAN 70.8 107 138 207 274 185 299 110 115 67.8 63.4 116 MAX 231 564 618 908 1570 418 2530 158 214 109 187 586 MIN 47 59 68 96 124 126 111 91 83 55 39 40 CFSM 0.67 1.01 1.30 1.95 2.59 1.75 2.82 1.04 1.09 0.64 0.60 1.10 IN. 0.77 1.12 1.50 2.25 2.70 2.02 3.15 1.20 1.21 0.74 0.69 1.22 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02186000 TWELVEMILE CREEK NEAR LIBERTY, SC SOURCE AGENCY USGS STATE 45 COUNTY 077 LATITUDE 344805 LONGITUDE 0824455 NAD27 DRAINAGE AREA 106.00* CONTRIBUTING DRAINAGE AREA DATUM 822.18 NGVD29 Date Processed: 2004-08-20 15:11 By mishealy APPROVED DD #14, ,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 1 137 74 178 166 343 330 456 356 213 122 147 113 2 128 74 168 152 248 278 330 743 768 118 143 107 3 192 74 161 145 213 250 283 534 356 116 145 103 4 485 74 178 139 196 223 273 380 258 118 143 102 5 368 74 150 132 188 210 248 330 230 188 134 100 6 216 72 145 132 343 213 774 524 213 258 134 98 7 159 71 154 141 558 213 431 771 206 193 141 95 8 126 126 424 134 393 213 318 456 198 1000 152 90 9 107 124 316 126 290 288 283 380 193 771 139 86 10 98 85 240 126 253 260 316 343 183 343 139 86 11 90 77 203 132 230 226 303 330 176 283 143 89 12 180 77 173 132 210 208 263 318 176 256 152 156 13 130 77 156 167 200 240 248 356 166 283 389 111 14 103 140 154 330 186 218 233 298 156 318 356 100 15 91 150 152 230 203 200 298 280 159 343 198 98 16 90 281 145 200 193 190 498 276 161 248 168 107 17 182 220 143 186 166 188 330 306 154 210 163 102 18 172 368 137 176 166 308 288 266 152 193 152 102 19 126 1010 141 166 163 263 263 256 147 188 137 96 20 107 450 340 163 166 228 246 263 173 166 130 102 21 98 276 343 276 173 213 233 258 152 183 122 154 22 93 218 236 313 178 193 352 243 156 395 120 145 23 90 418 200 246 178 186 330 230 156 258 118 120 24 98 298 186 573 173 188 253 228 147 216 127 116 25 90 762 176 687 163 280 236 230 137 213 356 111 26 82 494 368 380 598 266 223 236 139 178 193 107 27 80 318 270 296 1000 330 236 226 150 173 154 103 28 75 268 228 253 492 303 634 223 145 226 137 100 29 74 233 200 230 --- 270 605 216 130 170 128 96 30 75 210 183 216 --- 462 443 208 124 159 120 98 31 75 --- 168 206 --- 992 --- 206 --- 150 118 --- TOTAL 4217 7193 6416 6951 7863 8430 10227 10270 5874 8036 5098 3193 MEAN 136 240 207 224 281 272 341 331 196 259 164 106 MAX 485 1010 424 687 1000 992 774 771 768 1000 389 156 MIN 74 71 137 126 163 186 223 206 124 116 118 86 CFSM 1.28 2.26 1.95 2.12 2.65 2.57 3.22 3.13 1.85 2.45 1.55 1.00 IN. 1.48 2.52 2.25 2.44 2.76 2.96 3.59 3.60 2.06 2.82 1.79 1.12 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02186000 TWELVEMILE CREEK NEAR LIBERTY, SC SOURCE AGENCY USGS STATE 45 COUNTY 077 LATITUDE 344805 LONGITUDE 0824455 NAD27 DRAINAGE AREA 106.00* CONTRIBUTING DRAINAGE AREA DATUM 822.18 NGVD29 Date Processed: 2004-08-20 15:11 By mishealy APPROVED DD #14, ,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 1 226 154 113 220 91 150 206 154 1790 96 98 474 2 173 156 111 256 88 145 286 137 642 105 98 310 3 137 118 111 168 107 134 196 132 406 107 96 186 4 130 109 116 139 148 132 198 122 330 102 98 139 5 124 113 107 114 196 190 188 116 278 95 127 118 6 111 113 102 103 147 690 176 116 253 95 109 148 7 107 109 102 98 130 318 166 152 226 96 96 496 8 103 102 102 105 124 246 159 114 203 90 96 445 9 102 105 100 114 137 210 159 432 186 93 85 296 10 95 96 98 95 132 190 154 273 176 95 85 193 11 93 96 100 88 139 178 227 190 168 114 83 156 12 93 96 96 85 131 270 1220 154 159 142 83 130 13 91 96 100 88 664 203 1700 208 152 299 82 116 14 91 95 111 86 380 183 498 166 145 268 74 111 15 91 96 111 91 380 392 313 139 139 320 75 109 16 93 102 109 196 290 330 256 122 139 306 155 105 17 93 102 109 130 238 253 213 114 134 305 88 96 18 93 103 109 109 266 218 225 113 132 280 85 91 19 93 102 102 103 218 196 583 111 130 180 85 88 20 91 98 103 103 198 188 356 183 130 176 88 86 21 91 96 100 116 180 196 268 186 124 163 98 85 22 98 95 100 426 176 180 240 134 122 300 80 83 23 98 95 100 218 178 166 218 176 114 238 122 82 24 90 95 109 156 173 156 188 128 128 163 283 78 25 90 95 100 141 156 150 170 178 139 137 111 77 26 90 96 100 126 154 150 161 476 130 120 96 74 27 91 95 118 118 152 270 154 380 116 116 116 77 28 91 108 600 111 150 206 220 316 113 109 95 77 29 91 214 364 107 --- 183 263 228 107 105 103 77 30 90 126 193 105 --- 268 168 190 100 102 181 244 31 93 --- 150 98 --- 220 --- 1050 --- 107 909 --- TOTAL 3243 3276 4146 4213 5523 6961 9529 6690 7111 5024 4080 4847 MEAN 105 109 134 136 197 225 318 216 237 162 132 162 MAX 226 214 600 426 664 690 1700 1050 1790 320 909 496 MIN 90 95 96 85 88 132 154 111 100 90 74 74 CFSM 0.99 1.03 1.26 1.28 1.86 2.12 3.00 2.04 2.24 1.53 1.24 1.52 IN. 1.14 1.15 1.46 1.48 1.94 2.44 3.34 2.35 2.50 1.76 1.43 1.70 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02186000 TWELVEMILE CREEK NEAR LIBERTY, SC SOURCE AGENCY USGS STATE 45 COUNTY 077 LATITUDE 344805 LONGITUDE 0824455 NAD27 DRAINAGE AREA 106.00* CONTRIBUTING DRAINAGE AREA DATUM 822.18 NGVD29 Date Processed: 2004-08-20 15:11 By mishealy APPROVED DD #14, ,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 1 126 180 124 156 406 263 664 343 156 154 126 302 2 100 156 128 156 308 286 468 278 161 130 188 240 3 90 139 145 616 263 330 790 260 176 120 166 156 4 86 134 128 356 258 318 806 248 326 124 122 168 5 83 134 122 266 954 286 682 246 216 137 116 141 6 83 137 126 263 951 273 480 240 190 232 116 124 7 213 130 126 290 418 276 418 259 188 321 114 1110 8 190 122 111 260 330 280 380 567 170 231 124 587 9 290 120 111 230 290 306 368 330 168 163 132 276 10 501 120 113 210 322 290 343 270 159 159 147 216 11 639 118 114 200 526 318 318 248 152 161 176 196 12 298 116 441 188 343 306 318 243 147 152 485 166 13 218 114 397 180 446 318 318 246 143 132 499 143 14 487 116 246 173 496 343 313 230 141 130 250 132 15 393 122 196 230 393 368 306 218 139 128 183 128 16 273 120 173 216 343 626 303 210 132 126 170 128 17 228 124 161 198 318 579 298 206 137 130 246 176 18 200 114 282 318 524 545 293 198 137 137 152 210 19 190 111 469 273 499 456 288 188 130 120 278 163 20 180 109 280 233 368 393 286 188 130 118 208 141 21 170 109 228 208 318 356 293 190 186 111 173 122 22 160 107 200 190 318 330 310 188 294 109 273 137 23 152 105 180 176 283 316 286 180 206 132 254 143 24 240 303 166 173 268 300 273 178 168 124 364 140 25 160 236 156 163 434 290 268 173 156 118 193 130 26 140 163 152 163 368 280 260 183 491 126 161 120 27 140 147 147 216 316 273 256 190 318 230 143 122 28 124 161 210 233 290 270 263 176 208 238 134 210 29 128 139 256 218 278 293 253 168 180 248 126 240 30 173 126 188 498 --- 1330 290 166 161 159 128 188 31 216 --- 166 647 --- 1580 --- 159 --- 139 118 --- TOTAL 6671 4132 6042 7897 11629 12778 11192 7167 5666 4839 6065 6455 MEAN 215 138 195 255 401 412 373 231 189 156 196 215 MAX 639 303 469 647 954 1580 806 567 491 321 499 1110 MIN 83 105 111 156 258 263 253 159 130 109 114 120 CFSM 2.03 1.30 1.84 2.40 3.78 3.89 3.52 2.18 1.78 1.47 1.85 2.03 IN. 2.34 1.45 2.12 2.77 4.08 4.48 3.93 2.52 1.99 1.70 2.13 2.27 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02186000 TWELVEMILE CREEK NEAR LIBERTY, SC SOURCE AGENCY USGS STATE 45 COUNTY 077 LATITUDE 344805 LONGITUDE 0824455 NAD27 DRAINAGE AREA 106.00* CONTRIBUTING DRAINAGE AREA DATUM 822.18 NGVD29 Date Processed: 2004-08-20 15:11 By mishealy APPROVED DD #14, ,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 1 156 200 116 380 145 308 418 223 159 190 156 176 2 141 141 113 238 143 276 308 263 154 180 156 170 3 134 128 113 186 152 253 253 218 147 176 145 159 4 172 120 113 163 152 236 216 198 145 166 161 150 5 226 118 116 154 161 226 203 190 156 159 298 150 6 576 118 120 150 152 218 193 188 156 154 176 147 7 393 116 116 143 190 238 180 188 147 161 330 143 8 310 114 114 141 406 711 170 190 141 176 206 137 9 278 116 111 134 276 458 323 190 134 163 173 139 10 238 147 107 130 226 308 586 193 143 154 159 132 11 210 132 373 128 200 260 300 266 168 150 168 128 12 180 122 330 126 180 240 864 210 154 190 156 126 13 166 118 208 126 170 240 751 196 159 228 145 124 14 152 118 170 435 163 250 380 183 156 248 139 130 15 145 116 156 439 156 216 318 196 178 213 134 141 16 166 114 147 286 152 203 856 266 473 210 134 124 17 233 116 137 228 147 190 418 193 230 256 132 120 18 150 116 132 198 301 226 330 188 186 276 128 122 19 141 114 126 190 588 228 300 193 166 306 128 147 20 213 111 126 190 398 203 278 186 168 395 132 143 21 154 113 143 168 2280 278 266 183 1590 671 143 122 22 141 111 126 152 843 273 258 188 2520 391 130 116 23 132 159 118 150 1080 236 250 228 595 405 128 113 24 128 150 118 150 652 216 246 188 430 253 1100 109 25 120 130 124 141 1970 198 240 183 290 216 1490 107 26 120 126 124 154 978 188 238 216 330 190 597 105 27 126 139 122 154 456 180 250 188 330 196 318 103 28 128 139 116 152 356 180 240 173 270 170 250 103 29 124 152 114 150 --- 180 223 168 230 161 220 102 30 118 137 128 147 --- 180 218 163 206 166 223 103 31 150 --- 132 143 --- 424 --- 159 --- 163 186 --- TOTAL 5821 3851 4409 5826 13073 8021 10074 6155 10311 7133 8141 3891 MEAN 188 128 142 188 467 259 336 199 344 230 263 130 MAX 576 200 373 439 2280 711 864 266 2520 671 1490 176 MIN 118 111 107 126 143 180 170 159 134 150 128 102 CFSM 1.77 1.21 1.34 1.77 4.40 2.44 3.17 1.87 3.24 2.17 2.48 1.22 IN. 2.04 1.35 1.55 2.04 4.59 2.81 3.54 2.16 3.62 2.50 2.86 1.37 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02186000 TWELVEMILE CREEK NEAR LIBERTY, SC SOURCE AGENCY USGS STATE 45 COUNTY 077 LATITUDE 344805 LONGITUDE 0824455 NAD27 DRAINAGE AREA 106.00* CONTRIBUTING DRAINAGE AREA DATUM 822.18 NGVD29 Date Processed: 2004-08-20 15:11 By mishealy APPROVED DD #14, ,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 1 103 112 118 243 216 290 770 263 166 145 127 76 2 101 107 120 270 203 260 422 250 166 143 118 76 3 186 109 118 230 198 238 341 248 276 140 190 76 4 206 114 116 220 190 228 313 246 208 140 171 77 5 134 109 116 213 188 223 288 243 198 145 258 80 6 120 120 120 645 180 208 321 236 183 143 168 77 7 116 118 116 504 173 200 658 228 186 143 159 82 8 114 109 109 331 173 190 547 220 173 182 150 86 9 114 105 114 278 198 226 409 218 163 159 140 84 10 109 103 669 258 183 243 336 236 161 138 107 86 11 105 105 846 236 170 648 922 228 168 129 103 80 12 105 109 4200 223 168 1120 1120 213 409 136 103 74 13 107 124 1990 210 166 451 574 210 306 147 105 69 14 109 248 654 206 163 339 422 218 243 122 103 69 15 103 203 490 238 161 293 383 210 208 118 105 69 16 114 173 396 228 183 270 344 213 188 116 191 114 17 112 163 569 206 176 246 328 198 178 138 136 276 18 107 138 2360 198 168 238 313 188 168 150 109 128 19 107 129 814 210 256 228 303 190 166 134 105 97 20 107 120 448 210 208 228 290 203 166 120 101 88 21 109 116 326 196 206 814 283 183 173 122 99 82 22 103 114 288 193 573 435 280 190 161 120 123 82 23 105 320 268 216 383 318 278 178 156 116 101 82 24 107 341 250 216 370 286 273 176 198 105 97 80 25 105 200 230 218 437 268 270 168 161 128 93 80 26 103 166 216 218 1160 652 283 166 163 152 90 84 27 97 150 216 258 493 509 266 156 163 112 86 107 28 101 134 276 383 344 344 263 159 216 105 84 88 29 105 127 228 313 --- 300 270 203 183 109 82 82 30 103 122 208 260 --- 280 266 176 159 145 79 82 31 105 --- 203 230 --- 624 --- 176 --- 190 77 --- TOTAL 3522 4408 17192 8058 7687 11197 12136 6390 5813 4192 3760 2713 MEAN 114 147 555 260 275 361 405 206 194 135 121 90.4 MAX 206 341 4200 645 1160 1120 1120 263 409 190 258 276 MIN 97 103 109 193 161 190 263 156 156 105 77 69 CFSM 1.07 1.39 5.23 2.45 2.59 3.41 3.82 1.94 1.83 1.28 1.14 0.85 IN. 1.24 1.55 6.03 2.83 2.70 3.93 4.26 2.24 2.04 1.47 1.32 0.95 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02186000 TWELVEMILE CREEK NEAR LIBERTY, SC SOURCE AGENCY USGS STATE 45 COUNTY 077 LATITUDE 344805 LONGITUDE 0824455 NAD27 DRAINAGE AREA 106.00* CONTRIBUTING DRAINAGE AREA DATUM 822.18 NGVD29 Date Processed: 2004-08-20 15:11 By mishealy APPROVED DD #14, ,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 80 86 120 223 154 200 161 816 136 153 134 105 2 105 84 118 200 152 344 155 445 134 234 128 105 3 265 84 118 188 374 228 153 290 128 224 120 105 4 741 86 156 170 268 203 146 242 128 155 116 106 5 356 86 147 163 218 347 138 222 128 132 112 108 6 208 84 143 159 198 4000 155 206 128 132 106 106 7 156 84 122 156 188 1040 175 194 126 142 105 106 8 134 86 120 154 166 532 153 188 124 149 103 106 9 116 251 118 147 150 409 144 179 124 195 97 106 10 105 276 114 150 145 320 142 175 116 132 97 106 11 99 156 112 154 166 290 140 166 114 118 103 108 12 99 127 103 308 218 1710 140 159 112 114 97 108 13 97 120 93 220 188 3140 138 161 112 112 99 108 14 93 109 105 190 168 737 138 177 114 128 106 114 15 90 103 99 170 154 504 140 161 112 122 95 110 16 90 101 101 161 147 383 140 155 114 118 95 108 17 88 103 101 152 147 332 144 153 155 364 94 108 18 88 234 99 188 145 295 142 166 149 215 90 108 19 86 193 99 266 218 269 144 149 138 172 94 108 20 86 154 101 1070 228 254 144 144 153 193 108 108 21 90 384 103 478 193 231 136 144 153 343 94 108 22 142 787 127 318 168 219 136 142 130 183 90 108 23 99 308 122 268 159 210 132 136 128 157 88 108 24 88 223 105 240 161 201 130 136 118 155 85 106 25 88 188 363 206 152 194 130 138 112 201 83 105 26 84 168 426 196 152 197 130 151 131 201 94 103 27 84 150 268 193 147 190 130 199 278 157 94 103 28 84 143 218 173 145 179 149 199 276 146 95 229 29 86 136 325 166 --- 177 601 179 188 161 106 536 30 88 127 395 168 --- 170 3100 159 181 222 238 175 31 88 --- 270 166 --- 164 --- 146 --- 153 112 --- TOTAL 4203 5221 5011 7161 5069 17669 7706 6277 4240 5383 3278 3828 MEAN 136 174 162 231 181 570 257 202 141 174 106 128 MAX 741 787 426 1070 374 4000 3100 816 278 364 238 536 MIN 80 84 93 147 145 164 130 136 112 112 83 103 CFSM 1.28 1.64 1.52 2.18 1.71 5.38 2.42 1.91 1.33 1.64 1.00 1.20 IN. 1.48 1.83 1.76 2.51 1.78 6.20 2.70 2.20 1.49 1.89 1.15 1.34 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02186000 TWELVEMILE CREEK NEAR LIBERTY, SC SOURCE AGENCY USGS STATE 45 COUNTY 077 LATITUDE 344805 LONGITUDE 0824455 NAD27 DRAINAGE AREA 106.00* CONTRIBUTING DRAINAGE AREA DATUM 822.18 NGVD29 Date Processed: 2004-08-20 15:11 By mishealy APPROVED DD #14, ,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 1 124 87 245 286 231 194 269 345 242 136 151 271 2 116 128 188 238 201 224 254 379 229 136 138 203 3 116 94 172 192 194 374 252 588 197 155 134 181 4 118 94 149 175 186 271 276 396 186 144 134 164 5 110 94 136 161 188 503 295 345 181 136 134 155 6 110 110 128 153 553 332 1610 320 181 126 132 144 7 110 100 120 177 315 273 2680 305 206 122 126 140 8 100 91 122 161 247 252 2520 295 192 122 120 136 9 99 88 120 806 222 233 870 288 179 128 120 128 10 95 87 112 367 210 247 577 276 172 122 132 126 11 90 85 136 288 201 222 490 271 166 136 253 122 12 92 85 408 290 188 206 396 288 170 177 270 130 13 97 85 252 345 192 199 396 290 179 177 161 140 14 110 87 320 252 210 456 422 261 201 136 142 122 15 100 85 271 219 261 1680 358 249 168 124 142 120 16 99 82 203 201 454 646 332 247 159 124 290 116 17 95 82 177 194 283 396 315 247 159 120 346 114 18 94 82 159 181 387 318 305 242 157 174 217 116 19 94 83 146 177 417 285 295 238 153 522 179 122 20 94 83 134 239 293 315 285 226 146 303 161 134 21 92 82 132 219 252 315 271 215 140 233 153 120 22 90 80 126 197 236 290 269 208 192 242 149 118 23 88 110 170 181 217 264 266 203 233 309 151 114 24 87 114 186 331 206 252 283 210 181 208 142 114 25 86 94 170 2800 212 330 290 206 192 188 134 112 26 85 95 166 809 222 1880 295 210 164 166 132 110 27 83 142 159 470 201 486 866 199 157 155 130 110 28 83 116 149 320 203 396 588 194 149 142 122 116 29 83 1070 142 249 201 345 600 197 140 142 140 175 30 83 557 132 229 --- 300 409 197 136 183 983 352 31 84 --- 132 217 --- 278 --- 188 --- 177 572 --- TOTAL 3007 4272 5362 11124 7383 12762 17334 8323 5307 5465 6290 4325 MEAN 97.0 142 173 359 255 412 578 268 177 176 203 144 MAX 124 1070 408 2800 553 1880 2680 588 242 522 983 352 MIN 83 80 112 153 186 194 252 188 136 120 120 110 CFSM 0.92 1.34 1.63 3.39 2.40 3.88 5.45 2.53 1.67 1.66 1.91 1.36 IN. 1.06 1.50 1.88 3.90 2.59 4.48 6.08 2.92 1.86 1.92 2.21 1.52 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02186000 TWELVEMILE CREEK NEAR LIBERTY, SC SOURCE AGENCY USGS STATE 45 COUNTY 077 LATITUDE 344805 LONGITUDE 0824455 NAD27 DRAINAGE AREA 106.00* CONTRIBUTING DRAINAGE AREA DATUM 822.18 NGVD29 Date Processed: 2004-08-20 15:11 By mishealy APPROVED DD #14, ,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 --- --- --- --- --- --- --- --- --- 106 200 92 2 --- --- --- --- --- --- --- --- --- 104 144 91 3 --- --- --- --- --- --- --- --- --- 1760 133 86 4 --- --- --- --- --- --- --- --- --- 1840 119 78 5 --- --- --- --- --- --- --- --- --- 532 113 77 6 --- --- --- --- --- --- --- --- --- 318 109 77 7 --- --- --- --- --- --- --- --- --- 267 115 88 8 --- --- --- --- --- --- --- --- 78 245 106 89 9 --- --- --- --- --- --- --- --- 144 193 105 84 10 --- --- --- --- --- --- --- --- 125 169 96 80 11 --- --- --- --- --- --- --- --- 89 157 93 77 12 --- --- --- --- --- --- --- --- 77 161 92 76 13 --- --- --- --- --- --- --- --- 78 146 107 81 14 --- --- --- --- --- --- --- --- 75 141 98 88 15 --- --- --- --- --- --- --- --- 116 133 101 109 16 --- --- --- --- --- --- --- --- 312 132 99 180 17 --- --- --- --- --- --- --- --- 386 128 95 121 18 --- --- --- --- --- --- --- --- 175 155 99 97 19 --- --- --- --- --- --- --- --- 228 138 99 87 20 --- --- --- --- --- --- --- --- 350 197 94 83 21 --- --- --- --- --- --- --- --- 300 228 91 83 22 --- --- --- --- --- --- --- --- 260 393 87 136 23 --- --- --- --- --- --- --- --- 200 237 87 130 24 --- --- --- --- --- --- --- --- 170 189 80 101 25 --- --- --- --- --- --- --- --- 150 160 101 137 26 --- --- --- --- --- --- --- --- 130 141 126 296 27 --- --- --- --- --- --- --- --- 125 143 164 169 28 --- --- --- --- --- --- --- --- 119 172 110 125 29 --- --- --- --- --- --- --- --- 119 136 103 132 30 --- --- --- --- --- --- --- --- 116 125 119 276 31 --- --- --- --- --- --- --- --- --- 120 105 --- TOTAL --- --- --- --- --- --- --- --- --- 9066 3390 3426 MEAN --- --- --- --- --- --- --- --- --- 292 109 114 MAX --- --- --- --- --- --- --- --- --- 1840 200 296 MIN --- --- --- --- --- --- --- --- --- 104 80 76 CFSM --- --- --- --- --- --- --- --- --- 2.76 1.03 1.08 IN. --- --- --- --- --- --- --- --- --- 3.18 1.19 1.20 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02186000 TWELVEMILE CREEK NEAR LIBERTY, SC SOURCE AGENCY USGS STATE 45 COUNTY 077 LATITUDE 344805 LONGITUDE 0824455 NAD27 DRAINAGE AREA 106.00* CONTRIBUTING DRAINAGE AREA DATUM 822.18 NGVD29 Date Processed: 2004-08-20 15:11 By mishealy APPROVED DD #14, ,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 2800 115 119 386 241 233 268 192 142 84 96 139 2 1650 110 116 232 227 338 252 185 145 80 105 104 3 635 107 114 193 217 1140 243 183 153 76 100 92 4 291 108 112 195 515 506 236 186 146 73 93 85 5 210 109 111 220 443 351 231 202 139 73 90 81 6 183 110 111 240 297 304 230 183 135 71 91 79 7 168 140 110 232 261 278 238 180 135 78 98 77 8 155 150 245 368 233 265 225 175 131 75 91 73 9 146 123 290 318 227 312 219 191 125 75 93 102 10 137 115 266 241 659 285 223 368 126 71 229 92 11 134 107 213 211 456 265 290 229 122 71 120 96 12 129 103 429 194 320 251 232 196 116 69 93 244 13 127 103 534 179 271 243 220 184 115 76 83 190 14 125 101 301 172 248 237 217 179 114 177 76 154 15 121 108 229 167 235 231 239 173 113 212 73 145 16 122 269 199 164 648 527 220 171 113 131 72 118 17 161 227 180 161 682 3200 214 171 119 103 67 103 18 168 158 170 161 362 1700 207 172 115 96 67 94 19 188 138 167 161 409 778 201 163 118 133 68 89 20 149 128 165 161 342 668 201 168 108 117 67 89 21 132 123 156 443 291 509 205 173 103 147 66 87 22 125 120 149 280 352 338 206 163 101 196 78 119 23 122 258 143 218 373 297 201 158 101 152 97 110 24 119 209 140 204 303 284 198 155 96 122 97 91 25 117 163 138 920 266 273 193 153 92 451 97 87 26 115 149 139 560 249 271 189 153 91 296 95 85 27 112 140 137 324 241 285 187 149 91 169 89 82 28 119 134 135 261 237 259 204 152 87 137 82 79 29 115 129 133 289 --- 272 252 183 87 120 76 79 30 110 122 141 394 --- 276 206 156 89 113 75 79 31 112 --- 255 281 --- 294 --- 147 --- 104 195 --- TOTAL 9097 4176 5847 8530 9605 15470 6647 5593 3468 3948 2919 3144 MEAN 293 139 189 275 343 499 222 180 116 127 94.2 105 MAX 2800 269 534 920 682 3200 290 368 153 451 229 244 MIN 110 101 110 161 217 231 187 147 87 69 66 73 CFSM 2.77 1.31 1.78 2.60 3.24 4.71 2.09 1.70 1.09 1.20 0.89 0.99 IN. 3.19 1.47 2.05 2.99 3.37 5.43 2.33 1.96 1.22 1.39 1.02 1.10 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02186000 TWELVEMILE CREEK NEAR LIBERTY, SC SOURCE AGENCY USGS STATE 45 COUNTY 077 LATITUDE 344805 LONGITUDE 0824455 NAD27 DRAINAGE AREA 106.00* CONTRIBUTING DRAINAGE AREA DATUM 822.18 NGVD29 Date Processed: 2004-08-20 15:11 By mishealy APPROVED DD #14, ,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 79 107 90 167 169 139 213 252 183 133 221 188 2 79 104 89 146 150 233 190 205 226 127 277 171 3 77 101 95 137 143 258 175 181 398 125 263 160 4 77 101 125 142 136 287 166 174 230 130 180 155 5 88 100 103 129 133 219 196 246 210 133 150 149 6 81 103 95 123 135 195 208 557 179 193 153 146 7 77 100 93 125 149 199 177 281 168 132 202 152 8 77 97 93 133 185 214 174 218 160 121 225 186 9 77 160 89 135 144 239 235 204 156 119 401 159 10 77 225 89 125 134 198 198 216 149 113 293 143 11 91 139 87 599 128 180 173 212 145 113 387 139 12 644 119 87 512 122 172 164 194 142 111 559 136 13 644 111 87 266 127 217 207 322 144 107 359 131 14 232 107 100 203 273 204 243 224 160 99 416 139 15 160 103 102 177 195 179 236 282 370 97 476 132 16 134 103 95 243 156 167 218 862 369 94 415 127 17 118 102 93 199 146 160 191 609 214 113 263 125 18 130 97 93 171 192 215 178 301 184 177 217 198 19 136 97 115 158 173 199 192 374 175 155 365 236 20 114 95 105 183 226 176 211 251 177 122 231 169 21 109 94 123 164 235 165 222 225 234 113 192 142 22 410 94 119 149 198 161 191 206 195 107 174 133 23 600 93 119 139 189 158 174 194 167 102 162 128 24 400 93 259 139 171 153 166 186 156 109 153 129 25 200 91 175 143 161 145 155 176 150 333 158 163 26 150 91 141 133 156 143 153 172 169 153 384 179 27 136 93 134 129 146 141 202 175 175 125 329 144 28 127 99 155 127 141 146 256 184 159 325 222 131 29 120 110 143 124 --- 360 222 257 144 186 638 123 30 114 95 148 158 --- 535 376 379 137 205 295 123 31 110 --- 192 227 --- 268 --- 221 --- 230 217 --- TOTAL 5668 3224 3633 5705 4613 6425 6062 8540 5825 4502 8977 4536 MEAN 183 107 117 184 165 207 202 275 194 145 290 151 MAX 644 225 259 599 273 535 376 862 398 333 638 236 MIN 77 91 87 123 122 139 153 172 137 94 150 123 CFSM 1.72 1.01 1.11 1.74 1.55 1.96 1.91 2.60 1.83 1.37 2.73 1.43 IN. 1.99 1.13 1.27 2.00 1.62 2.25 2.13 3.00 2.04 1.58 3.15 1.59 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1954 - 1991, BY WATER YEAR (WY) MEAN 136 130 182 208 286 309 318 212 173 162 136 115 MAX 293 240 555 359 467 570 578 331 344 292 290 215 (WY) 1990 1958 1962 1964 1961 1963 1964 1958 1961 1989 1991 1960 MIN 38.0 66.3 54.3 55.0 165 113 179 110 81.7 67.8 54.3 36.7 (WY) 1955 1956 1956 1956 1991 1955 1955 1957 1956 1957 1954 1954 SUMMARY STATISTICS FOR 1990 CALENDAR YEAR FOR 1991 WATER YEAR WATER YEARS 1954 - 1991 ANNUAL TOTAL 67710 ANNUAL MEAN 186 197 HIGHEST ANNUAL MEAN 249 1964 LOWEST ANNUAL MEAN 112 1955 HIGHEST DAILY MEAN 862 May 16 4200 Dec 12 1961 LOWEST DAILY MEAN 77 Oct 3 32 Oct 5 1954 ANNUAL SEVEN-DAY MINIMUM 79 Oct 3 34 Sep 30 1954 MAXIMUM PEAK FLOW 2240 May 16 5360 Dec 12 1961 MAXIMUM PEAK STAGE 7.98 May 16 12.23 Dec 12 1961 INSTANTANEOUS LOW FLOW 75 Oct 10 30 Sep 23 1955 ANNUAL RUNOFF (CFSM) 1.75 1.86 ANNUAL RUNOFF (INCHES) 23.76 25.27 10 PERCENT EXCEEDS 284 320 50 PERCENT EXCEEDS 160 145 90 PERCENT EXCEEDS 97 69 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02186000 TWELVEMILE CREEK NEAR LIBERTY, SC SOURCE AGENCY USGS STATE 45 COUNTY 077 LATITUDE 344805 LONGITUDE 0824455 NAD27 DRAINAGE AREA 106.00* CONTRIBUTING DRAINAGE AREA DATUM 822.18 NGVD29 Date Processed: 2004-08-20 15:11 By mishealy APPROVED DD #14, ,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 1 131 116 134 146 124 229 186 164 138 134 119 167 2 132 130 155 139 119 209 178 161 135 140 101 157 3 132 121 248 201 117 191 173 156 154 150 95 155 4 129 116 264 195 117 181 170 150 478 137 93 163 5 129 114 160 159 115 173 167 146 297 128 92 177 6 142 113 140 146 113 557 164 163 195 125 94 171 7 130 113 132 137 110 629 164 213 163 141 112 154 8 128 113 126 131 109 321 166 681 149 127 108 147 9 128 113 124 130 108 249 164 445 218 120 105 148 10 128 138 137 130 106 268 160 276 360 115 101 136 11 128 132 125 123 106 277 160 222 226 112 98 194 12 128 119 121 120 106 226 160 199 204 108 101 148 13 128 115 118 122 106 206 162 191 204 105 500 134 14 128 115 138 147 106 192 156 189 201 104 300 128 15 128 114 139 132 273 184 156 177 189 104 149 124 16 130 113 123 122 419 174 156 167 222 103 644 119 17 130 113 118 117 225 171 153 160 250 104 229 117 18 130 113 117 117 194 171 150 163 258 128 298 119 19 130 115 112 117 189 707 150 457 194 119 166 146 20 120 118 110 115 169 490 282 469 173 111 145 131 21 115 117 110 115 153 330 1320 216 158 101 187 124 22 116 140 113 114 145 266 730 178 148 109 527 265 23 117 140 118 413 444 347 327 162 143 149 986 457 24 118 123 174 334 493 264 253 153 140 130 549 216 25 117 116 136 201 1060 233 220 147 138 140 271 180 26 117 113 123 168 2010 266 196 145 135 115 202 156 27 117 112 119 151 850 231 186 142 138 117 209 1120 28 117 111 185 146 398 212 180 147 134 111 797 686 29 117 111 363 141 276 200 171 154 134 101 369 346 30 113 115 208 134 --- 195 168 164 135 96 229 241 31 113 --- 164 130 --- 198 --- 152 --- 100 188 --- TOTAL 3866 3552 4654 4793 8860 8547 7128 6709 5811 3684 8164 6726 MEAN 125 118 150 155 306 276 238 216 194 119 263 224 MAX 142 140 363 413 2010 707 1320 681 478 150 986 1120 MIN 113 111 110 114 106 171 150 142 134 96 92 117 CFSM 1.18 1.12 1.42 1.46 2.88 2.60 2.24 2.04 1.83 1.12 2.48 2.12 IN. 1.36 1.25 1.63 1.68 3.11 3.00 2.50 2.35 2.04 1.29 2.87 2.36 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1954 - 1992, BY WATER YEAR (WY) MEAN 135 130 179 204 288 307 312 213 175 159 145 122 MAX 293 240 555 359 467 570 578 331 344 292 290 224 (WY) 1990 1958 1962 1964 1961 1963 1964 1958 1961 1989 1991 1992 MIN 38.0 66.3 54.3 55.0 165 113 179 110 81.7 67.8 54.3 36.7 (WY) 1955 1956 1956 1956 1991 1955 1955 1957 1956 1957 1954 1954 SUMMARY STATISTICS FOR 1991 CALENDAR YEAR FOR 1992 WATER YEAR WATER YEARS 1954 - 1992 ANNUAL TOTAL 72494 ANNUAL MEAN 198 197 HIGHEST ANNUAL MEAN 249 1964 LOWEST ANNUAL MEAN 112 1955 HIGHEST DAILY MEAN 2010 Feb 26 4200 Dec 12 1961 LOWEST DAILY MEAN 92 Aug 5 32 Oct 5 1954 ANNUAL SEVEN-DAY MINIMUM 99 Jul 31 34 Sep 30 1954 MAXIMUM PEAK FLOW 2920 Feb 26 5360 Dec 12 1961 MAXIMUM PEAK STAGE 8.20 Feb 26 12.23 Dec 12 1961 INSTANTANEOUS LOW FLOW 90 Aug 6 30 Sep 23 1955 ANNUAL RUNOFF (CFSM) 1.87 1.86 ANNUAL RUNOFF (INCHES) 25.44 25.28 10 PERCENT EXCEEDS 323 320 50 PERCENT EXCEEDS 146 145 90 PERCENT EXCEEDS 112 73 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02186000 TWELVEMILE CREEK NEAR LIBERTY, SC SOURCE AGENCY USGS STATE 45 COUNTY 077 LATITUDE 344805 LONGITUDE 0824455 NAD27 DRAINAGE AREA 106.00* CONTRIBUTING DRAINAGE AREA DATUM 822.18 NGVD29 Date Processed: 2004-08-20 15:11 By mishealy APPROVED DD #14, ,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 1 202 175 266 291 323 302 649 255 269 135 100 79 2 182 304 248 271 309 293 423 252 217 130 110 85 3 170 338 234 257 300 298 389 250 208 130 125 89 4 319 580 227 268 294 639 370 293 201 125 143 111 5 322 639 225 888 293 450 499 315 198 120 100 125 6 240 344 213 434 291 357 564 315 190 115 131 99 7 202 258 212 345 291 323 437 295 186 115 128 92 8 195 221 208 786 320 310 393 292 182 110 122 112 9 252 200 201 810 295 298 561 307 181 110 109 95 10 211 197 273 462 288 289 1180 276 175 105 107 90 11 195 204 263 1080 291 284 499 260 172 105 108 85 12 177 832 220 1450 368 278 412 251 169 100 105 80 13 168 964 208 750 319 754 379 254 196 100 103 79 14 161 373 201 481 295 477 356 263 184 95 103 78 15 156 279 199 404 279 358 349 243 177 90 100 77 16 152 236 643 378 331 332 343 234 172 100 98 81 17 150 215 2630 349 326 344 323 230 168 135 95 97 18 146 203 1120 327 295 332 315 231 162 128 91 106 19 144 193 544 313 284 302 306 263 160 156 87 86 20 142 186 772 301 281 292 304 259 154 142 87 81 21 140 196 570 1320 302 285 304 260 154 120 133 94 22 139 303 417 1170 338 299 291 234 162 105 105 89 23 139 1000 359 514 355 864 283 223 151 120 117 82 24 138 484 328 811 315 1900 281 220 145 133 102 81 25 137 1390 294 746 301 745 278 222 147 143 95 78 26 136 700 280 465 333 490 303 226 152 160 92 100 27 135 450 276 409 356 1940 280 217 180 137 92 98 28 138 380 691 375 316 867 267 213 150 110 91 94 29 141 330 428 355 --- 494 264 208 144 105 86 84 30 139 290 344 339 --- 435 262 209 147 95 82 78 31 279 --- 310 331 --- 445 --- 292 --- 90 79 --- TOTAL 5547 12464 13404 17480 8689 16076 11864 7862 5253 3664 3226 2705 MEAN 179 415 432 564 310 519 395 254 175 118 104 90.2 MAX 322 1390 2630 1450 368 1940 1180 315 269 160 143 125 MIN 135 175 199 257 279 278 262 208 144 90 79 77 CFSM 1.69 3.92 4.08 5.32 2.93 4.89 3.73 2.39 1.65 1.12 0.98 0.85 IN. 1.95 4.37 4.70 6.13 3.05 5.64 4.16 2.76 1.84 1.29 1.13 0.95 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1954 - 1993, BY WATER YEAR (WY) MEAN 138 150 198 229 289 322 318 216 175 156 142 120 MAX 293 415 555 564 467 570 578 331 344 292 290 224 (WY) 1990 1993 1962 1993 1961 1963 1964 1958 1961 1989 1991 1992 MIN 38.0 66.3 54.3 55.0 165 113 179 110 81.7 67.8 54.3 36.7 (WY) 1955 1956 1956 1956 1991 1955 1955 1957 1956 1957 1954 1954 SUMMARY STATISTICS FOR 1992 CALENDAR YEAR FOR 1993 WATER YEAR WATER YEARS 1954 - 1993 ANNUAL TOTAL 108234 ANNUAL MEAN 297 204 HIGHEST ANNUAL MEAN 297 1993 LOWEST ANNUAL MEAN 112 1955 HIGHEST DAILY MEAN 2630 Dec 17 4200 Dec 12 1961 LOWEST DAILY MEAN 77 Sep 15 32 Oct 5 1954 ANNUAL SEVEN-DAY MINIMUM 81 Sep 10 34 Sep 30 1954 MAXIMUM PEAK FLOW 3110 Dec 17 5360 Dec 12 1961 MAXIMUM PEAK STAGE 8.47 Dec 17 12.23 Dec 12 1961 INSTANTANEOUS LOW FLOW 76 Sep 15 30 Sep 23 1955 ANNUAL RUNOFF (CFSM) 2.80 1.93 ANNUAL RUNOFF (INCHES) 37.98 26.19 10 PERCENT EXCEEDS 505 332 50 PERCENT EXCEEDS 243 148 90 PERCENT EXCEEDS 95 75 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02186000 TWELVEMILE CREEK NEAR LIBERTY, SC SOURCE AGENCY USGS STATE 45 COUNTY 077 LATITUDE 344805 LONGITUDE 0824455 NAD27 DRAINAGE AREA 106.00* CONTRIBUTING DRAINAGE AREA DATUM 822.18 NGVD29 Date Processed: 2004-08-20 15:11 By mishealy APPROVED DD #14, ,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 74 96 117 104 164 196 268 156 96 164 178 159 2 74 88 109 104 151 544 237 150 97 140 154 181 3 75 85 106 110 142 510 219 150 116 135 137 176 4 73 85 117 218 136 319 208 184 116 135 194 154 5 71 220 338 179 157 255 198 162 117 138 172 145 6 69 176 195 140 171 223 228 150 122 144 138 156 7 69 113 145 130 146 204 218 147 113 120 126 160 8 69 99 128 225 149 194 194 148 107 112 120 145 9 69 95 120 175 173 185 186 145 101 109 115 141 10 67 93 124 146 172 244 185 140 129 104 110 147 11 67 90 135 134 850 205 185 136 147 115 104 143 12 66 89 117 489 775 181 179 132 145 151 102 135 13 69 89 110 322 380 175 266 128 149 131 102 134 14 69 89 119 213 269 171 240 124 145 131 102 135 15 69 93 161 169 223 165 227 195 139 108 341 134 16 69 96 145 146 196 158 690 159 133 99 1080 133 17 71 93 127 192 180 150 361 137 210 109 4880 142 18 72 91 118 377 169 149 266 132 176 112 1210 163 19 72 90 115 220 162 148 231 128 142 104 1010 126 20 72 90 114 177 154 145 211 123 126 236 885 117 21 72 86 174 159 156 145 195 119 116 150 587 106 22 84 85 143 148 161 148 186 114 110 193 313 106 23 95 85 129 140 684 143 179 110 117 144 239 106 24 82 85 120 136 710 144 169 105 110 153 209 126 25 78 85 115 133 358 262 167 102 123 154 190 183 26 77 87 110 133 266 201 164 103 115 123 175 184 27 75 663 107 132 220 304 175 109 645 127 166 127 28 75 297 106 449 195 1050 232 102 296 1610 164 114 29 72 163 121 330 --- 886 171 99 462 515 151 108 30 145 132 115 220 --- 458 161 99 220 247 145 106 31 150 --- 107 183 --- 322 --- 97 --- 173 163 --- TOTAL 2411 3828 4107 6133 7669 8584 6796 4085 4940 6186 13762 4192 MEAN 77.8 128 132 198 274 277 227 132 165 200 444 140 MAX 150 663 338 489 850 1050 690 195 645 1610 4880 184 MIN 66 85 106 104 136 143 161 97 96 99 102 106 CFSM 0.73 1.20 1.25 1.87 2.58 2.61 2.14 1.24 1.55 1.88 4.19 1.32 IN. 0.85 1.34 1.44 2.15 2.69 3.01 2.39 1.43 1.73 2.17 4.83 1.47 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1954 - 1994, BY WATER YEAR (WY) MEAN 134 148 193 227 288 319 312 210 174 159 160 121 MAX 293 415 555 564 467 570 578 331 344 292 444 224 (WY) 1990 1993 1962 1993 1961 1963 1964 1958 1961 1989 1994 1992 MIN 38.0 66.3 54.3 55.0 165 113 179 110 81.7 67.8 54.3 36.7 (WY) 1955 1956 1956 1956 1991 1955 1955 1957 1956 1957 1954 1954 SUMMARY STATISTICS FOR 1993 CALENDAR YEAR FOR 1994 WATER YEAR WATER YEARS 1954 - 1994 ANNUAL TOTAL 72693 ANNUAL MEAN 199 204 HIGHEST ANNUAL MEAN 297 1993 LOWEST ANNUAL MEAN 112 1955 HIGHEST DAILY MEAN 4880 Aug 17 4880 Aug 17 1994 LOWEST DAILY MEAN 66 Oct 12 32 Oct 5 1954 ANNUAL SEVEN-DAY MINIMUM 68 Oct 6 34 Sep 30 1954 MAXIMUM PEAK FLOW 6360 Aug 17 6360 Aug 17 1994 MAXIMUM PEAK STAGE 13.10 Aug 17 13.10 Aug 17 1994 INSTANTANEOUS LOW FLOW 65 Oct 11 30 Sep 23 1955 ANNUAL RUNOFF (CFSM) 1.88 1.92 ANNUAL RUNOFF (INCHES) 25.51 26.14 10 PERCENT EXCEEDS 296 331 50 PERCENT EXCEEDS 145 147 90 PERCENT EXCEEDS 88 75 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02186000 TWELVEMILE CREEK NEAR LIBERTY, SC SOURCE AGENCY USGS STATE 45 COUNTY 077 LATITUDE 344805 LONGITUDE 0824455 NAD27 DRAINAGE AREA 106.00* CONTRIBUTING DRAINAGE AREA DATUM 822.18 NGVD29 Date Processed: 2004-08-20 15:11 By mishealy APPROVED DD #14, ,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 1 102 140 156 176 195 479 188 149 139 117 113 210 2 105 127 144 159 188 366 188 222 146 110 98 186 3 142 119 138 151 183 317 185 170 259 98 86 167 4 130 117 166 147 180 332 183 155 158 91 88 155 5 114 117 695 143 174 302 184 161 128 89 104 144 6 108 123 303 183 170 364 183 148 144 85 93 137 7 106 128 218 1010 169 337 181 145 142 83 83 131 8 104 118 186 345 168 767 181 141 124 80 369 126 9 115 118 169 238 162 753 177 130 114 78 205 122 10 171 118 175 205 173 390 173 184 115 77 124 124 11 128 119 300 188 192 318 171 153 118 83 106 194 12 119 118 212 197 180 288 178 139 236 81 97 166 13 326 116 185 187 169 269 185 133 175 84 89 138 14 255 116 172 626 166 257 175 148 131 79 82 127 15 186 116 164 1570 186 247 170 160 118 75 78 124 16 153 116 156 659 1420 240 160 139 115 77 77 130 17 139 116 152 383 2000 235 158 127 110 186 77 137 18 132 116 149 299 965 230 160 126 106 129 71 125 19 128 116 143 270 528 224 157 183 104 90 69 114 20 143 116 138 283 383 222 157 154 108 90 562 106 21 135 155 137 237 325 245 190 124 106 126 417 104 22 136 159 275 222 289 224 176 118 111 110 384 104 23 301 124 441 212 272 218 195 118 107 88 166 119 24 179 116 262 203 260 213 284 114 179 79 143 127 25 149 116 205 191 247 206 199 112 140 72 149 112 26 139 121 182 187 238 203 175 110 119 69 340 106 27 133 191 171 183 239 209 164 110 106 88 4080 102 28 129 248 164 265 562 218 161 125 97 93 1680 97 29 124 236 159 265 --- 204 156 138 98 98 858 91 30 124 180 152 222 --- 201 147 121 102 80 605 89 31 125 --- 161 205 --- 196 --- 117 --- 74 263 --- TOTAL 4580 4036 6430 9811 10383 9274 5341 4374 3955 2859 11756 3914 MEAN 148 135 207 316 371 299 178 141 132 92.2 379 130 MAX 326 248 695 1570 2000 767 284 222 259 186 4080 210 MIN 102 116 137 143 162 196 147 110 97 69 69 89 CFSM 1.39 1.27 1.96 2.99 3.50 2.82 1.68 1.33 1.24 0.87 3.58 1.23 IN. 1.61 1.42 2.26 3.44 3.64 3.25 1.87 1.54 1.39 1.00 4.13 1.37 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1954 - 1995, BY WATER YEAR (WY) MEAN 135 148 194 233 294 318 303 206 171 155 172 122 MAX 293 415 555 564 467 570 578 331 344 292 444 224 (WY) 1990 1993 1962 1993 1961 1963 1964 1958 1961 1989 1994 1992 MIN 38.0 66.3 54.3 55.0 165 113 178 110 81.7 67.8 54.3 36.7 (WY) 1955 1956 1956 1956 1991 1955 1995 1957 1956 1957 1954 1954 SUMMARY STATISTICS FOR 1994 CALENDAR YEAR FOR 1995 WATER YEAR WATER YEARS 1954 - 1995 ANNUAL TOTAL 76713 ANNUAL MEAN 210 204 HIGHEST ANNUAL MEAN 297 1993 LOWEST ANNUAL MEAN 112 1955 HIGHEST DAILY MEAN 4080 Aug 27 4880 Aug 17 1994 LOWEST DAILY MEAN 69 Jul 26 32 Oct 5 1954 ANNUAL SEVEN-DAY MINIMUM 78 Aug 13 34 Sep 30 1954 MAXIMUM PEAK FLOW 4810 Aug 27 6360 Aug 17 1994 MAXIMUM PEAK STAGE 11.66 Aug 27 13.10 Aug 17 1994 INSTANTANEOUS LOW FLOW 67 Aug 19 30 Sep 23 1955 ANNUAL RUNOFF (CFSM) 1.98 1.93 ANNUAL RUNOFF (INCHES) 26.92 26.19 10 PERCENT EXCEEDS 302 330 50 PERCENT EXCEEDS 154 147 90 PERCENT EXCEEDS 95 77 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02186000 TWELVEMILE CREEK NEAR LIBERTY, SC SOURCE AGENCY USGS STATE 45 COUNTY 077 LATITUDE 344805 LONGITUDE 0824455 NAD27 DRAINAGE AREA 106.00* CONTRIBUTING DRAINAGE AREA DATUM 822.18 NGVD29 Date Processed: 2004-08-20 15:11 By mishealy APPROVED DD #14, ,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 88 123 142 147 290 198 623 235 164 110 251 91 2 87 327 142 172 1060 195 430 216 158 100 149 90 3 87 318 138 207 1670 190 330 205 155 99 390 97 4 705 199 138 166 719 185 295 196 156 100 161 303 5 1330 166 138 152 409 187 275 191 170 102 126 173 6 420 153 138 163 340 650 261 188 147 121 132 127 7 232 942 180 299 312 1290 252 197 139 118 111 103 8 179 1080 159 233 291 725 241 189 142 112 136 95 9 155 385 217 199 275 382 237 182 149 106 112 90 10 142 257 186 194 257 311 229 175 144 98 104 90 11 133 1040 162 190 248 279 225 179 136 92 97 94 12 124 985 152 193 234 262 221 178 134 86 438 94 13 133 393 149 187 227 247 226 165 135 83 371 91 14 430 290 145 181 227 236 254 164 142 85 211 82 15 375 246 143 183 223 237 227 166 433 181 152 82 16 202 219 142 192 219 341 220 175 187 139 129 100 17 167 204 139 195 211 375 209 166 152 105 120 233 18 151 194 147 223 207 265 206 158 142 94 113 121 19 142 186 328 874 203 686 211 150 144 88 106 91 20 136 180 279 424 485 429 279 146 253 83 100 86 21 132 173 203 280 370 314 406 141 166 86 96 86 22 126 166 181 235 280 276 272 137 137 84 93 115 23 123 161 170 216 252 254 240 132 127 83 95 91 24 121 160 161 275 234 240 226 131 120 83 93 85 25 120 159 154 258 222 253 216 653 119 122 118 83 26 118 155 150 264 216 260 255 372 116 227 234 82 27 120 152 146 3260 214 237 243 286 116 113 120 82 28 155 151 143 1080 213 437 213 361 117 98 122 98 29 122 151 140 766 204 406 207 242 111 98 111 171 30 115 147 138 399 --- 313 305 199 112 103 99 112 31 116 --- 139 333 --- 322 --- 178 --- 134 93 --- TOTAL 6786 9462 5089 12140 10312 10982 8034 6453 4623 3333 4783 3338 MEAN 219 315 164 392 356 354 268 208 154 108 154 111 MAX 1330 1080 328 3260 1670 1290 623 653 433 227 438 303 MIN 87 123 138 147 203 185 206 131 111 83 93 82 CFSM 2.07 2.98 1.55 3.69 3.35 3.34 2.53 1.96 1.45 1.01 1.46 1.05 IN. 2.38 3.32 1.79 4.26 3.62 3.85 2.82 2.26 1.62 1.17 1.68 1.17 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1954 - 1996, BY WATER YEAR (WY) MEAN 140 157 192 242 297 320 301 206 170 152 171 121 MAX 293 415 555 564 467 570 578 331 344 292 444 224 (WY) 1990 1993 1962 1993 1961 1963 1964 1958 1961 1989 1994 1992 MIN 38.0 66.3 54.3 55.0 165 113 178 110 81.7 67.8 54.3 36.7 (WY) 1955 1956 1956 1956 1991 1955 1995 1957 1956 1957 1954 1954 SUMMARY STATISTICS FOR 1995 CALENDAR YEAR FOR 1996 WATER YEAR WATER YEARS 1954 - 1996 ANNUAL TOTAL 85335 ANNUAL MEAN 233 206 HIGHEST ANNUAL MEAN 297 1993 LOWEST ANNUAL MEAN 112 1955 HIGHEST DAILY MEAN 3260 Jan 27 4880 Aug 17 1994 LOWEST DAILY MEAN 82 Sep 14 32 Oct 5 1954 ANNUAL SEVEN-DAY MINIMUM 86 Jul 18 34 Sep 30 1954 MAXIMUM PEAK FLOW 3720 Jan 27 6360 Aug 17 1994 MAXIMUM PEAK STAGE 10.10 Jan 27 13.10 Aug 17 1994 INSTANTANEOUS LOW FLOW 82 Jul 13 30 Sep 23 1955 ANNUAL RUNOFF (CFSM) 2.20 1.94 ANNUAL RUNOFF (INCHES) 29.95 26.41 10 PERCENT EXCEEDS 377 331 50 PERCENT EXCEEDS 172 149 90 PERCENT EXCEEDS 96 78 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02186000 TWELVEMILE CREEK NEAR LIBERTY, SC SOURCE AGENCY USGS STATE 45 COUNTY 077 LATITUDE 344805 LONGITUDE 0824455 NAD27 DRAINAGE AREA 106.00* CONTRIBUTING DRAINAGE AREA DATUM 822.18 NGVD29 Date Processed: 2004-08-20 15:11 By mishealy APPROVED DD #14, ,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 1 125 84 2260 119 175 1640 165 241 351 122 110 59 2 109 94 1230 116 166 814 159 201 251 118 96 62 3 102 92 486 116 158 583 157 1050 185 108 89 58 4 94 85 243 115 161 349 155 521 161 104 84 56 5 88 85 197 164 174 287 153 298 152 100 81 54 6 87 85 182 174 160 349 171 240 144 97 86 54 7 88 86 168 133 151 264 187 209 136 108 86 53 8 100 531 158 128 175 238 156 194 136 113 93 52 9 94 280 140 688 165 225 150 186 136 80 90 53 10 86 144 135 426 156 216 144 170 130 89 91 73 11 85 118 131 249 153 205 144 162 125 91 93 133 12 85 106 134 196 145 194 259 158 128 92 83 84 13 84 101 180 172 194 213 251 154 180 89 75 68 14 83 98 145 158 341 406 179 149 188 87 79 64 15 82 95 140 150 950 277 163 147 272 84 74 62 16 80 91 135 296 405 226 156 140 160 82 78 61 17 80 89 138 210 272 209 151 138 125 93 71 61 18 80 93 137 171 226 200 144 136 120 98 66 60 19 80 123 142 157 204 207 143 132 113 85 63 60 20 78 103 130 149 192 208 144 149 107 80 63 59 21 78 102 122 143 198 192 141 139 110 79 64 57 22 78 142 120 141 241 183 203 128 132 82 61 56 23 80 111 120 148 191 171 197 123 126 112 59 56 24 81 101 122 451 175 168 217 122 115 221 59 75 25 79 98 124 879 170 168 172 162 112 123 57 239 26 78 137 118 397 168 187 153 184 108 134 59 141 27 91 116 120 262 193 171 165 142 137 104 58 91 28 91 104 121 262 1920 169 594 190 148 97 57 188 29 85 100 128 229 --- 251 743 155 125 94 57 274 30 82 123 128 202 --- 207 328 179 117 107 55 117 31 82 --- 121 187 --- 180 --- 170 --- 136 55 --- TOTAL 2695 3717 7955 7388 7979 9357 6244 6469 4530 3209 2292 2580 MEAN 86.9 124 257 238 285 302 208 209 151 104 73.9 86.0 MAX 125 531 2260 879 1920 1640 743 1050 351 221 110 274 MIN 78 84 118 115 145 168 141 122 107 79 55 52 CFSM 0.82 1.17 2.42 2.25 2.69 2.85 1.96 1.97 1.42 0.98 0.70 0.81 IN. 0.95 1.30 2.79 2.59 2.80 3.28 2.19 2.27 1.59 1.13 0.80 0.91 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1954 - 1997, BY WATER YEAR (WY) MEAN 137 156 196 242 297 319 296 206 169 150 166 119 MAX 293 415 555 564 467 570 578 331 344 292 444 224 (WY) 1990 1993 1962 1993 1961 1963 1964 1958 1961 1989 1994 1992 MIN 38.0 66.3 54.3 55.0 165 113 178 110 81.7 67.8 54.3 36.7 (WY) 1955 1956 1956 1956 1991 1955 1995 1957 1956 1957 1954 1954 SUMMARY STATISTICS FOR 1996 CALENDAR YEAR FOR 1997 WATER YEAR WATER YEARS 1954 - 1997 ANNUAL TOTAL 64415 ANNUAL MEAN 176 204 HIGHEST ANNUAL MEAN 297 1993 LOWEST ANNUAL MEAN 112 1955 HIGHEST DAILY MEAN 2260 Dec 1 4880 Aug 17 1994 LOWEST DAILY MEAN 52 Sep 8 32 Oct 5 1954 ANNUAL SEVEN-DAY MINIMUM 54 Sep 3 34 Sep 30 1954 MAXIMUM PEAK FLOW 3560 Feb 28 6360 Aug 17 1994 MAXIMUM PEAK STAGE 9.85 Feb 28 13.10 Aug 17 1994 INSTANTANEOUS LOW FLOW 52 Sep 7 30 Sep 23 1955 ANNUAL RUNOFF (CFSM) 1.66 1.93 ANNUAL RUNOFF (INCHES) 22.61 26.20 10 PERCENT EXCEEDS 260 330 50 PERCENT EXCEEDS 135 148 90 PERCENT EXCEEDS 74 78 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02186000 TWELVEMILE CREEK NEAR LIBERTY, SC SOURCE AGENCY USGS STATE 45 COUNTY 077 LATITUDE 344805 LONGITUDE 0824455 NAD27 DRAINAGE AREA 106.00* CONTRIBUTING DRAINAGE AREA DATUM 822.18 NGVD29 Date Processed: 2004-08-20 15:11 By mishealy APPROVED DD #14, ,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 90 161 118 144 212 269 218 742 189 124 97 70 2 81 203 108 140 203 247 203 503 234 120 88 71 3 78 163 107 135 1050 233 266 392 214 116 84 76 4 75 140 194 133 2280 224 525 383 185 119 81 102 5 73 130 149 133 1060 219 290 336 271 152 78 83 6 70 124 127 139 608 217 246 311 227 128 77 77 7 70 123 120 980 367 225 229 395 191 120 75 76 8 68 120 115 5120 313 1340 222 420 177 115 135 72 9 67 115 134 1090 282 1600 486 329 180 114 107 72 10 66 111 135 752 260 714 316 380 232 111 113 67 11 80 108 133 500 265 410 256 391 253 106 102 67 12 75 108 124 252 313 337 235 321 200 104 130 66 13 71 136 118 219 252 305 224 282 184 104 99 64 14 72 142 115 198 237 286 239 273 176 101 123 62 15 78 127 110 335 224 269 230 271 184 100 161 62 16 72 115 108 581 408 256 221 267 182 98 422 63 17 71 109 107 498 871 250 1210 258 178 109 167 62 18 72 107 104 309 506 261 567 228 179 110 125 61 19 132 106 102 291 348 341 854 219 328 99 111 61 20 104 105 101 249 298 280 875 213 279 94 102 61 21 83 111 101 221 268 255 457 208 180 124 95 82 22 79 191 185 249 252 239 654 204 167 99 92 115 23 76 151 168 573 335 230 925 203 166 98 90 97 24 88 127 444 366 280 233 715 198 155 128 88 78 25 168 119 653 273 247 224 458 198 171 114 85 74 26 1880 116 285 235 237 217 380 190 150 122 82 72 27 1810 112 254 385 366 215 338 191 143 109 79 69 28 752 108 230 472 322 213 314 193 135 114 76 69 29 296 107 193 302 --- 209 303 279 130 105 74 77 30 192 117 174 254 --- 205 508 204 129 96 72 153 31 163 --- 159 228 --- 204 --- 198 --- 95 73 --- TOTAL 7152 3812 5275 15756 12664 10727 12964 9180 5769 3448 3383 2281 MEAN 231 127 170 508 452 346 432 296 192 111 109 76.0 MAX 1880 203 653 5120 2280 1600 1210 742 328 152 422 153 MIN 66 105 101 133 203 204 203 190 129 94 72 61 CFSM 2.18 1.20 1.61 4.79 4.27 3.26 4.08 2.79 1.81 1.05 1.03 0.72 IN. 2.51 1.34 1.85 5.53 4.44 3.76 4.55 3.22 2.02 1.21 1.19 0.80 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1954 - 1998, BY WATER YEAR (WY) MEAN 142 154 195 256 305 320 303 211 171 148 163 117 MAX 293 415 555 564 467 570 578 331 344 292 444 224 (WY) 1990 1993 1962 1993 1961 1963 1964 1958 1961 1989 1994 1992 MIN 38.0 66.3 54.3 55.0 165 113 178 110 81.7 67.8 54.3 36.7 (WY) 1955 1956 1956 1956 1991 1955 1995 1957 1956 1957 1954 1954 SUMMARY STATISTICS FOR 1997 CALENDAR YEAR FOR 1998 WATER YEAR WATER YEARS 1954 - 1998 ANNUAL TOTAL 92411 ANNUAL MEAN 253 207 HIGHEST ANNUAL MEAN 297 1993 LOWEST ANNUAL MEAN 112 1955 HIGHEST DAILY MEAN 5120 Jan 8 5120 Jan 8 1998 LOWEST DAILY MEAN 61 Sep 18 32 Oct 5 1954 ANNUAL SEVEN-DAY MINIMUM 62 Sep 14 34 Sep 30 1954 MAXIMUM PEAK FLOW 6730 Jan 8 6730 Jan 8 1998 MAXIMUM PEAK STAGE 13.46 Jan 8 13.46 Jan 8 1998 INSTANTANEOUS LOW FLOW 58 Sep 20 30 Sep 23 1955 ANNUAL RUNOFF (CFSM) 2.39 1.95 ANNUAL RUNOFF (INCHES) 32.43 26.53 10 PERCENT EXCEEDS 449 333 50 PERCENT EXCEEDS 174 149 90 PERCENT EXCEEDS 76 78 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02186000 TWELVEMILE CREEK NEAR LIBERTY, SC SOURCE AGENCY USGS STATE 45 COUNTY 077 LATITUDE 344805 LONGITUDE 0824455 NAD27 DRAINAGE AREA 106.00* CONTRIBUTING DRAINAGE AREA DATUM 822.18 NGVD29 Date Processed: 2004-08-20 15:11 By mishealy APPROVED DD #14, ,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 1 103 79 84 113 626 138 857 144 70 72 40 33 2 82 79 83 115 764 128 480 112 69 70 40 33 3 76 105 83 576 356 133 270 103 96 80 38 32 4 125 96 83 323 255 132 213 100 85 76 37 32 5 106 86 83 201 207 123 183 107 82 87 36 32 6 89 82 83 163 184 124 168 172 75 86 36 31 7 179 81 83 147 173 124 159 205 70 72 35 31 8 811 81 83 145 164 117 150 180 67 69 34 31 9 204 87 96 147 153 126 145 135 64 64 34 31 10 129 91 86 137 159 131 138 117 71 61 34 32 11 110 130 83 125 146 124 132 107 99 62 33 31 12 102 107 83 120 139 118 127 108 78 82 33 30 13 97 93 153 116 132 116 119 107 70 93 32 29 14 93 94 154 121 128 144 119 103 64 74 32 29 15 89 162 110 155 126 145 124 97 68 67 32 30 16 87 132 104 135 124 126 126 95 158 63 31 29 17 85 148 97 125 130 121 116 92 222 60 32 28 18 86 118 90 173 257 117 112 90 108 60 32 28 19 84 105 92 168 274 114 111 90 85 59 31 29 20 85 100 115 144 318 111 112 86 78 57 30 29 21 83 97 104 133 215 133 109 84 73 56 32 30 22 81 91 102 127 179 142 106 83 71 55 31 36 23 80 90 104 326 163 122 102 82 71 60 31 32 24 81 91 441 645 153 117 102 79 74 53 51 32 25 82 89 404 311 145 116 100 75 308 52 54 31 26 81 89 223 216 141 135 102 79 157 49 42 31 27 81 86 167 180 136 157 114 85 107 47 39 38 28 80 85 144 164 151 133 134 78 94 46 37 59 29 79 85 155 150 --- 126 114 75 84 45 36 51 30 80 84 132 159 --- 123 162 73 78 44 35 43 31 80 --- 120 172 --- 128 --- 71 --- 43 34 --- TOTAL 3710 2943 4024 6032 6098 3944 5106 3214 2896 1964 1104 993 MEAN 120 98.1 130 195 218 127 170 104 96.5 63.4 35.6 33.1 MAX 811 162 441 645 764 157 857 205 308 93 54 59 MIN 76 79 83 113 124 111 100 71 64 43 30 28 CFSM 1.13 0.93 1.22 1.84 2.05 1.20 1.61 0.98 0.91 0.60 0.34 0.31 IN. 1.30 1.03 1.41 2.12 2.14 1.38 1.79 1.13 1.02 0.69 0.39 0.35 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1954 - 1999, BY WATER YEAR (WY) MEAN 141 151 191 253 300 311 296 205 167 144 158 114 MAX 293 415 555 564 467 570 578 331 344 292 444 224 (WY) 1990 1993 1962 1993 1961 1963 1964 1958 1961 1989 1994 1992 MIN 38.0 66.3 54.3 55.0 165 113 170 104 81.7 63.4 35.6 33.1 (WY) 1955 1956 1956 1956 1991 1955 1999 1999 1956 1999 1999 1999 SUMMARY STATISTICS FOR 1998 CALENDAR YEAR FOR 1999 WATER YEAR WATER YEARS 1954 - 1999 ANNUAL TOTAL 42028 ANNUAL MEAN 115 202 HIGHEST ANNUAL MEAN 297 1993 LOWEST ANNUAL MEAN 112 1955 HIGHEST DAILY MEAN 857 Apr 1 5120 Jan 8 1998 LOWEST DAILY MEAN 28 Sep 17 28 Sep 17 1999 ANNUAL SEVEN-DAY MINIMUM 29 Sep 13 29 Sep 13 1999 MAXIMUM PEAK FLOW 1420 Apr 1 6730 Jan 8 1998 MAXIMUM PEAK STAGE 5.68 Apr 1 13.46 Jan 8 1998 INSTANTANEOUS LOW FLOW 27 Sep 16 27 Sep 16 1999 ANNUAL RUNOFF (CFSM) 1.09 1.91 ANNUAL RUNOFF (INCHES) 14.75 25.94 10 PERCENT EXCEEDS 172 330 50 PERCENT EXCEEDS 95 145 90 PERCENT EXCEEDS 33 75 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02186000 TWELVEMILE CREEK NEAR LIBERTY, SC SOURCE AGENCY USGS STATE 45 COUNTY 077 LATITUDE 344805 LONGITUDE 0824455 NAD27 DRAINAGE AREA 106.00* CONTRIBUTING DRAINAGE AREA DATUM 822.18 NGVD29 Date Processed: 2004-08-20 15:11 By mishealy APPROVED DD #14, ,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 39 60 69 71 118 92 e125 107 54 49 84 41 2 36 99 67 71 109 89 e350 102 52 44 75 45 3 35 88 67 71 104 87 e571 100 49 42 143 86 4 164 69 65 90 100 98 e502 101 49 40 109 83 5 131 64 66 109 94 107 e292 98 62 37 96 81 6 63 63 78 84 91 92 e219 97 75 38 63 56 7 51 63 75 79 90 87 e189 94 61 35 56 47 8 47 62 66 77 88 86 e169 90 53 31 52 44 9 48 61 65 82 86 84 e146 88 51 29 50 44 10 304 60 73 584 85 85 e137 86 48 28 50 42 11 759 60 80 343 83 108 e129 82 45 27 45 41 12 172 60 71 177 107 141 e125 81 43 27 43 38 13 116 60 83 141 127 109 142 79 41 33 39 37 14 97 60 326 115 415 97 142 78 41 54 36 36 15 83 59 176 104 251 93 215 75 45 42 35 36 16 74 58 121 99 166 346 171 73 59 34 34 32 17 68 57 101 95 139 710 145 73 72 31 32 31 18 65 57 92 98 132 254 131 73 72 27 31 32 19 62 57 87 96 124 178 124 73 62 25 33 41 20 68 59 84 105 114 1150 119 70 57 24 33 38 21 75 60 92 94 106 e565 115 71 69 23 59 70 22 66 60 104 88 102 e272 111 71 76 23 49 63 23 61 59 89 118 100 e204 108 68 64 31 42 102 24 59 59 83 124 97 e185 115 69 53 32 39 71 25 59 77 80 117 96 e171 158 68 48 163 38 95 26 59 162 79 110 94 e158 125 64 47 85 36 144 27 59 121 77 101 100 e147 112 62 44 59 35 67 28 58 89 75 97 111 e148 137 60 43 50 35 53 29 58 79 74 96 96 e137 130 60 53 56 32 47 30 57 72 73 119 --- e132 114 56 60 55 29 44 31 57 --- 72 134 --- e128 --- 55 --- 67 32 --- TOTAL 3150 2114 2810 3889 3525 6340 5368 2424 1648 1341 1565 1687 MEAN 102 70.5 90.6 125 122 205 179 78.2 54.9 43.3 50.5 56.2 MAX 759 162 326 584 415 1150 571 107 76 163 143 144 MIN 35 57 65 71 83 84 108 55 41 23 29 31 CFSM 0.96 0.66 0.86 1.18 1.15 1.93 1.69 0.74 0.52 0.41 0.48 0.53 IN. 1.11 0.74 0.99 1.36 1.24 2.22 1.88 0.85 0.58 0.47 0.55 0.59 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1954 - 2000, BY WATER YEAR (WY) MEAN 139 147 187 247 292 306 291 199 162 139 153 111 MAX 293 415 555 564 467 570 578 331 344 292 444 224 (WY) 1990 1993 1962 1993 1961 1963 1964 1958 1961 1989 1994 1992 MIN 38.0 66.3 54.3 55.0 122 113 170 78.2 54.9 43.3 35.6 33.1 (WY) 1955 1956 1956 1956 2000 1955 1999 2000 2000 2000 1999 1999 SUMMARY STATISTICS FOR 1999 CALENDAR YEAR FOR 2000 WATER YEAR WATER YEARS 1954 - 2000 ANNUAL TOTAL 35861 ANNUAL MEAN 98.0 197 HIGHEST ANNUAL MEAN 297 1993 LOWEST ANNUAL MEAN 98.0 2000 HIGHEST DAILY MEAN 1150 Mar 20 5120 Jan 8 1998 LOWEST DAILY MEAN 23 Jul 21 23 Jul 21 2000 ANNUAL SEVEN-DAY MINIMUM 26 Jul 17 26 Jul 17 2000 MAXIMUM PEAK FLOW 1850 Mar 20 6730 Jan 8 1998 MAXIMUM PEAK STAGE 6.67 Mar 20 13.46 Jan 8 1998 INSTANTANEOUS LOW FLOW 20 Jul 22 20 Jul 22 2000 ANNUAL RUNOFF (CFSM) 0.92 1.86 ANNUAL RUNOFF (INCHES) 12.59 25.30 10 PERCENT EXCEEDS 147 326 50 PERCENT EXCEEDS 74 142 90 PERCENT EXCEEDS 37 71 e Estimated 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02186000 TWELVEMILE CREEK NEAR LIBERTY, SC SOURCE AGENCY USGS STATE 45 COUNTY 077 LATITUDE 344805 LONGITUDE 0824455 NAD27 DRAINAGE AREA 106.00* CONTRIBUTING DRAINAGE AREA DATUM 822.18 NGVD29 Date Processed: 2004-08-20 15:11 By mishealy APPROVED DD #14, ,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 44 36 67 67 90 119 181 77 147 41 71 42 2 43 37 65 67 86 110 154 78 185 40 72 47 3 42 37 69 73 83 108 145 75 94 42 63 56 4 40 37 68 85 81 151 142 73 75 50 78 82 5 39 39 65 66 81 132 130 71 67 74 80 71 6 39 38 64 65 79 113 126 71 61 50 68 52 7 40 42 63 64 77 103 122 70 59 41 62 46 8 38 46 62 76 76 99 117 72 64 39 57 42 9 37 125 61 76 75 96 112 74 71 40 53 39 10 37 215 61 67 85 92 109 72 72 39 49 43 11 39 89 60 65 80 91 104 70 64 36 46 48 12 39 66 60 85 77 103 102 70 58 34 43 42 13 38 60 60 85 77 211 101 67 56 32 56 38 14 38 60 79 75 88 137 105 64 53 31 78 36 15 37 57 81 72 85 283 105 62 61 29 58 34 16 36 56 127 69 82 311 109 60 54 28 50 32 17 35 66 499 68 106 194 96 58 48 26 46 31 18 36 62 199 82 97 154 91 58 44 25 52 31 19 35 64 139 540 87 133 90 57 42 24 47 32 20 35 76 120 642 84 229 91 56 40 185 44 95 21 36 64 102 241 84 298 89 78 37 148 40 69 22 37 61 94 159 101 195 87 104 48 67 39 51 23 37 59 87 132 103 161 86 94 86 51 35 45 24 39 60 83 119 92 142 87 73 56 48 36 414 25 38 167 80 108 195 132 104 95 48 147 40 236 26 39 187 77 99 260 124 92 103 49 195 39 98 27 38 107 75 95 162 116 86 77 51 183 36 e76 28 37 86 76 90 133 111 82 73 47 253 34 e67 29 37 77 73 88 --- 222 80 86 43 109 39 58 30 38 71 71 111 --- 469 77 75 40 89 36 54 31 36 --- 68 102 --- 238 --- 67 --- 84 38 --- TOTAL 1179 2247 2955 3833 2806 5177 3202 2280 1920 2280 1585 2107 MEAN 38.0 74.9 95.3 124 100 167 107 73.5 64.0 73.5 51.1 70.2 MAX 44 215 499 642 260 469 181 104 185 253 80 414 MIN 35 36 60 64 75 91 77 56 37 24 34 31 CFSM 0.36 0.71 0.90 1.17 0.95 1.58 1.01 0.69 0.60 0.69 0.48 0.66 IN. 0.41 0.79 1.04 1.35 0.98 1.82 1.12 0.80 0.67 0.80 0.56 0.74 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1954 - 2001, BY WATER YEAR (WY) MEAN 134 144 182 241 283 299 283 194 157 136 149 109 MAX 293 415 555 564 467 570 578 331 344 292 444 224 (WY) 1990 1993 1962 1993 1961 1963 1964 1958 1961 1989 1994 1992 MIN 38.0 66.3 54.3 55.0 100 113 107 73.5 54.9 43.3 35.6 33.1 (WY) 1955 1956 1956 1956 2001 1955 2001 2001 2000 2000 1999 1999 SUMMARY STATISTICS FOR 2000 CALENDAR YEAR FOR 2001 WATER YEAR WATER YEARS 1954 - 2001 ANNUAL TOTAL 31571 ANNUAL MEAN 86.5 192 HIGHEST ANNUAL MEAN 297 1993 LOWEST ANNUAL MEAN 86.5 2001 HIGHEST DAILY MEAN 642 Jan 20 5120 Jan 8 1998 LOWEST DAILY MEAN 24 Jul 19 23 Jul 21 2000 ANNUAL SEVEN-DAY MINIMUM 28 Jul 13 26 Jul 17 2000 MAXIMUM PEAK FLOW 1370 Jan 19 6730 Jan 8 1998 MAXIMUM PEAK STAGE 5.60 Jan 19 13.46 Jan 8 1998 INSTANTANEOUS LOW FLOW 24 Jul 17 ANNUAL RUNOFF (CFSM) 0.82 1.81 ANNUAL RUNOFF (INCHES) 11.08 24.66 10 PERCENT EXCEEDS 147 320 50 PERCENT EXCEEDS 71 139 90 PERCENT EXCEEDS 37 64 e Estimated