1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197415 LOWER THREE RUNS AT MARTIN, SC SOURCE AGENCY USGS STATE 45 COUNTY 005 LATITUDE 330424 LONGITUDE 0812837 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 90 NGVD29 Date Processed: 2004-08-20 15:20 By mishealy APPROVED DD #12, , 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 --- --- --- 255 291 374 364 315 122 81 82 89 2 --- --- --- 236 279 319 373 361 115 79 77 95 3 --- --- 159 227 e320 291 547 229 109 82 72 218 4 --- --- 146 226 e1100 274 1300 306 104 81 71 533 5 --- --- 141 217 e900 273 842 321 124 84 69 371 6 --- --- 136 216 e725 723 575 220 124 82 67 174 7 --- --- 131 223 532 958 530 207 121 79 67 138 8 --- --- 128 423 457 1140 567 278 110 78 78 128 9 --- --- 189 579 409 2180 747 320 104 78 128 131 10 --- --- 323 321 372 1170 517 242 208 83 150 117 11 --- --- 375 251 348 600 279 230 453 84 112 110 12 --- --- 329 229 340 467 227 239 241 86 95 105 13 --- --- 298 222 319 402 202 200 151 81 137 101 14 --- --- 268 223 301 368 226 182 128 76 133 98 15 --- --- 270 257 287 350 452 175 120 86 130 96 16 --- --- 241 426 e310 335 424 167 113 115 115 94 17 --- --- 201 411 e750 322 322 163 110 157 104 94 18 --- --- 181 280 e580 320 630 160 105 151 108 96 19 --- --- 170 309 e430 666 718 155 101 113 93 106 20 --- --- 163 410 e360 738 351 144 113 93 122 110 21 --- --- 159 310 330 468 260 140 113 86 105 106 22 --- --- 218 262 329 373 235 138 102 88 87 118 23 --- --- 408 658 580 337 236 134 97 83 82 117 24 --- --- 539 870 535 319 222 130 93 113 81 102 25 --- --- 1080 496 384 304 199 127 92 94 80 95 26 --- --- 617 344 324 295 178 123 88 84 76 91 27 --- --- 500 448 356 365 165 121 89 82 74 90 28 --- --- 600 854 442 379 159 121 95 92 72 91 29 --- --- 395 525 --- 367 155 135 92 85 70 93 30 --- --- 306 363 --- 363 169 130 86 79 69 108 31 --- --- 272 313 --- 359 --- 124 --- 77 69 --- TOTAL --- --- --- 11384 12690 16199 12171 6037 3823 2812 2875 4015 MEAN --- --- --- 367 453 523 406 195 127 90.7 92.7 134 MAX --- --- --- 870 1100 2180 1300 361 453 157 150 533 MIN --- --- --- 216 279 273 155 121 86 76 67 89 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1998 - 1998, BY WATER YEAR (WY) MEAN --- --- --- 367 453 523 406 195 127 90.7 92.7 134 MAX --- --- --- 367 453 523 406 195 127 90.7 92.7 134 (WY) --- --- --- 1998 1998 1998 1998 1998 1998 1998 1998 1998 MIN --- --- --- 367 453 523 406 195 127 90.7 92.7 134 (WY) --- --- --- 1998 1998 1998 1998 1998 1998 1998 1998 1998 e Estimated 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197415 LOWER THREE RUNS AT MARTIN, SC SOURCE AGENCY USGS STATE 45 COUNTY 005 LATITUDE 330424 LONGITUDE 0812837 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 90 NGVD29 Date Processed: 2004-08-20 15:20 By mishealy APPROVED DD #12, , 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 1 116 81 100 115 228 114 134 253 52 197 50 43 2 112 83 100 112 346 113 180 233 51 103 48 42 3 98 87 100 204 328 107 139 125 50 76 47 42 4 95 91 100 222 253 107 120 97 54 66 44 41 5 105 92 100 160 236 103 113 88 75 61 43 41 6 113 91 100 128 208 102 105 114 121 68 42 40 7 106 89 103 122 192 104 103 116 153 113 42 39 8 108 90 102 121 183 101 103 102 160 116 41 50 9 122 91 101 119 170 106 131 85 148 102 40 48 10 109 93 98 118 164 127 159 77 53 90 40 48 11 99 95 97 115 167 115 119 72 54 94 40 51 12 95 95 96 111 160 106 107 71 60 214 39 49 13 92 93 100 112 150 101 97 72 50 371 39 49 14 90 95 107 110 140 139 91 75 48 360 39 49 15 88 101 110 180 136 200 90 74 68 249 40 54 16 86 115 135 206 135 151 118 69 121 215 40 64 17 85 132 131 160 133 124 112 66 187 295 47 59 18 84 125 117 147 139 114 93 63 252 289 46 55 19 85 106 109 172 143 108 88 62 83 267 42 54 20 85 109 108 165 134 104 84 63 64 240 189 60 21 85 108 106 135 128 103 82 60 62 179 146 66 22 82 105 104 131 125 109 79 65 60 138 71 64 23 82 104 100 156 121 104 76 114 57 118 57 58 24 82 105 98 325 119 99 74 80 53 102 54 56 25 83 104 143 433 117 103 73 65 56 79 64 57 26 82 104 229 290 116 172 77 60 65 66 60 57 27 81 101 231 223 114 221 75 62 72 59 54 68 28 80 99 167 204 116 165 77 59 100 54 51 105 29 80 98 134 193 --- 130 84 57 171 54 50 163 30 81 99 125 179 --- 118 131 55 312 53 48 144 31 81 --- 120 170 --- 114 --- 54 --- 55 44 --- TOTAL 2872 2981 3671 5338 4701 3784 3114 2708 2912 4543 1697 1816 MEAN 92.6 99.4 118 172 168 122 104 87.4 97.1 147 54.7 60.5 MAX 122 132 231 433 346 221 180 253 312 371 189 163 MIN 80 81 96 110 114 99 73 54 48 53 39 39 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1998 - 1999, BY WATER YEAR (WY) MEAN 92.6 99.4 118 270 311 322 255 141 112 119 73.7 97.2 MAX 92.6 99.4 118 367 453 523 406 195 127 147 92.7 134 (WY) 1999 1999 1999 1998 1998 1998 1998 1998 1998 1999 1998 1998 MIN 92.6 99.4 118 172 168 122 104 87.4 97.1 90.7 54.7 60.5 (WY) 1999 1999 1999 1999 1999 1999 1999 1999 1999 1998 1999 1999 SUMMARY STATISTICS FOR 1998 CALENDAR YEAR FOR 1999 WATER YEAR WATER YEARS 1998 - 1999 ANNUAL TOTAL 40137 ANNUAL MEAN 110 110 HIGHEST ANNUAL MEAN 110 1999 LOWEST ANNUAL MEAN 110 1999 HIGHEST DAILY MEAN 433 Jan 25 2180 Mar 9 1998 LOWEST DAILY MEAN 39 Aug 12 39 Aug 12 1999 ANNUAL SEVEN-DAY MINIMUM 40 Aug 9 40 Aug 9 1999 MAXIMUM PEAK FLOW 470 Jan 25 2530 Mar 9 1998 MAXIMUM PEAK STAGE 5.70 Jan 25 8.77 Mar 9 1998 10 PERCENT EXCEEDS 185 367 50 PERCENT EXCEEDS 101 114 90 PERCENT EXCEEDS 50 59 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197415 LOWER THREE RUNS AT MARTIN, SC SOURCE AGENCY USGS STATE 45 COUNTY 005 LATITUDE 330424 LONGITUDE 0812837 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 90 NGVD29 Date Processed: 2004-08-20 15:20 By mishealy APPROVED DD #12, , 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 95 89 95 80 150 83 87 57 e41 60 49 47 2 76 94 122 80 111 84 80 56 40 71 61 46 3 71 97 134 79 100 81 78 55 39 63 59 56 4 73 87 95 82 95 99 78 53 38 50 54 55 5 99 82 82 101 91 113 76 52 41 45 53 74 6 97 81 82 94 88 88 73 52 47 42 48 82 7 80 80 82 85 87 80 73 50 42 40 45 66 8 72 82 79 83 86 76 71 49 39 41 47 59 9 69 83 78 81 87 73 72 48 39 39 46 52 10 67 83 88 98 88 73 70 46 38 38 47 49 11 70 104 116 135 86 74 69 46 37 38 45 47 12 89 105 126 121 85 120 68 48 37 36 53 45 13 138 95 129 104 83 112 67 49 37 39 46 45 14 162 91 136 90 137 85 71 49 37 60 42 43 15 108 93 140 82 165 78 115 48 37 48 41 42 16 86 93 138 80 118 89 115 45 45 42 40 40 17 83 90 102 81 98 158 86 44 44 38 38 38 18 85 90 95 80 90 136 73 45 42 37 37 45 19 82 91 129 84 87 92 67 e44 43 36 50 67 20 95 92 157 90 85 208 64 e44 47 34 61 65 21 91 92 126 90 81 353 67 e43 48 33 48 96 22 87 95 114 81 80 249 61 e44 46 33 45 91 23 82 95 101 91 79 117 59 e47 51 41 43 652 24 79 94 91 164 79 123 60 e45 50 64 41 838 25 78 95 85 264 79 118 62 e44 43 69 54 185 26 79 105 82 237 78 97 61 e43 40 57 56 83 27 78 122 82 128 79 90 61 e45 40 49 51 74 28 77 109 81 104 84 90 62 e48 40 46 48 63 29 76 97 81 103 85 85 63 e46 41 46 45 55 30 77 93 81 143 --- 89 59 e44 67 44 43 51 31 79 --- 81 189 --- 96 --- e43 --- 43 45 --- TOTAL 2680 2799 3210 3404 2741 3509 2168 1472 1276 1422 1481 3251 MEAN 86.5 93.3 104 110 94.5 113 72.3 47.5 42.5 45.9 47.8 108 MAX 162 122 157 264 165 353 115 57 67 71 61 838 MIN 67 80 78 79 78 73 59 43 37 33 37 38 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1998 - 2000, BY WATER YEAR (WY) MEAN 89.5 96.3 111 216 237 253 194 110 89.0 94.4 65.1 101 MAX 92.6 99.4 118 367 453 523 406 195 127 147 92.7 134 (WY) 1999 1999 1999 1998 1998 1998 1998 1998 1998 1999 1998 1998 MIN 86.5 93.3 104 110 94.5 113 72.3 47.5 42.5 45.9 47.8 60.5 (WY) 2000 2000 2000 2000 2000 2000 2000 2000 2000 2000 2000 1999 SUMMARY STATISTICS FOR 1999 CALENDAR YEAR FOR 2000 WATER YEAR WATER YEARS 1998 - 2000 ANNUAL TOTAL 29413 ANNUAL MEAN 80.4 95.1 HIGHEST ANNUAL MEAN 110 1999 LOWEST ANNUAL MEAN 80.4 2000 HIGHEST DAILY MEAN 838 Sep 24 2180 Mar 9 1998 LOWEST DAILY MEAN 33 Jul 21 33 Jul 21 2000 ANNUAL SEVEN-DAY MINIMUM 36 Jul 17 36 Jul 17 2000 MAXIMUM PEAK FLOW 1680 Sep 23 2530 Mar 9 1998 MAXIMUM PEAK STAGE 7.67 Sep 23 8.77 Mar 9 1998 10 PERCENT EXCEEDS 117 319 50 PERCENT EXCEEDS 78 95 90 PERCENT EXCEEDS 41 46 e Estimated 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197415 LOWER THREE RUNS AT MARTIN, SC SOURCE AGENCY USGS STATE 45 COUNTY 005 LATITUDE 330424 LONGITUDE 0812837 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 90 NGVD29 Date Processed: 2004-08-20 15:20 By mishealy APPROVED DD #12, , 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 49 47 72 92 90 101 120 58 58 71 62 55 2 48 47 71 85 86 91 103 56 55 76 56 62 3 48 48 70 81 83 111 98 56 53 93 53 55 4 47 48 69 79 84 282 107 57 61 295 52 76 5 46 49 68 79 92 356 104 56 58 214 52 78 6 46 50 68 79 87 204 95 55 51 95 51 73 7 46 50 67 78 82 121 91 52 49 69 50 60 8 45 51 67 88 80 106 88 51 51 62 49 53 9 44 53 68 107 79 100 85 51 55 60 48 52 10 44 63 124 97 82 97 82 52 54 58 47 69 11 44 57 141 86 89 94 78 52 53 62 69 69 12 44 53 117 89 91 95 74 51 68 59 58 72 13 43 53 92 99 103 148 72 53 206 76 49 64 14 43 57 84 92 97 157 78 53 300 74 56 57 15 42 63 83 85 91 200 78 51 161 60 82 53 16 42 61 84 83 86 333 95 50 88 54 62 50 17 41 65 92 84 87 248 86 48 86 51 54 49 18 41 73 90 89 85 136 84 47 80 48 54 49 19 40 92 83 84 78 113 82 46 62 47 90 48 20 42 131 81 136 77 127 71 45 55 50 81 51 21 44 122 78 180 77 184 68 51 53 52 67 69 22 44 83 76 143 108 170 66 51 55 48 61 66 23 45 69 75 104 163 126 64 56 56 48 51 57 24 45 66 74 95 152 110 64 58 53 61 48 65 25 46 105 73 90 104 110 65 50 52 57 48 82 26 47 145 71 87 118 119 74 51 66 56 46 69 27 47 144 71 86 136 107 69 54 65 62 45 59 28 47 91 83 85 112 97 63 48 66 166 44 54 29 47 75 140 83 --- 119 61 55 89 125 43 50 30 47 71 148 86 --- 167 59 103 73 86 44 47 31 47 --- 114 93 --- 158 --- 86 --- 72 48 --- TOTAL 1391 2182 2694 2924 2699 4687 2424 1703 2332 2507 1720 1813 MEAN 44.9 72.7 86.9 94.3 96.4 151 80.8 54.9 77.7 80.9 55.5 60.4 MAX 49 145 148 180 163 356 120 103 300 295 90 82 MIN 40 47 67 78 77 91 59 45 49 47 43 47 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1998 - 2001, BY WATER YEAR (WY) MEAN 74.7 88.5 103 186 202 227 166 96.1 86.2 91.0 62.7 90.8 MAX 92.6 99.4 118 367 453 523 406 195 127 147 92.7 134 (WY) 1999 1999 1999 1998 1998 1998 1998 1998 1998 1999 1998 1998 MIN 44.9 72.7 86.9 94.3 94.5 113 72.3 47.5 42.5 45.9 47.8 60.4 (WY) 2001 2001 2001 2001 2000 2000 2000 2000 2000 2000 2000 2001 SUMMARY STATISTICS FOR 2000 CALENDAR YEAR FOR 2001 WATER YEAR WATER YEARS 1998 - 2001 ANNUAL TOTAL 29076 ANNUAL MEAN 79.7 90.0 HIGHEST ANNUAL MEAN 110 1999 LOWEST ANNUAL MEAN 79.7 2001 HIGHEST DAILY MEAN 356 Mar 5 2180 Mar 9 1998 LOWEST DAILY MEAN 40 Oct 19 33 Jul 21 2000 ANNUAL SEVEN-DAY MINIMUM 42 Oct 14 36 Jul 17 2000 MAXIMUM PEAK FLOW 390 Mar 5 2530 Mar 9 1998 MAXIMUM PEAK STAGE 5.50 Mar 5 8.77 Mar 9 1998 10 PERCENT EXCEEDS 121 260 50 PERCENT EXCEEDS 69 87 90 PERCENT EXCEEDS 47 47 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197415 LOWER THREE RUNS AT MARTIN, SC SOURCE AGENCY USGS STATE 45 COUNTY 005 LATITUDE 330424 LONGITUDE 0812837 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 90 NGVD29 Date Processed: 2004-08-20 15:20 By mishealy APPROVED DD #12, , 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 46 56 67 57 67 64 90 58 40 41 30 55 2 45 62 64 58 64 78 79 56 39 38 36 66 3 44 71 63 76 62 134 71 55 38 92 31 58 4 44 67 63 87 62 132 68 64 51 75 29 48 5 43 62 63 88 62 90 65 69 47 50 29 43 6 46 61 64 89 66 77 62 69 43 44 28 40 7 50 60 63 97 153 76 60 59 45 45 27 37 8 47 62 62 82 198 70 60 50 45 44 26 35 9 45 62 63 72 165 68 59 47 41 40 25 34 10 45 62 62 70 93 76 65 48 39 38 25 34 11 46 62 68 71 81 72 83 47 37 36 25 32 12 46 62 68 70 77 70 73 47 37 63 25 32 13 47 62 67 111 83 110 68 46 36 67 25 33 14 48 62 69 117 74 104 67 63 36 53 26 34 15 50 63 68 90 68 82 61 62 39 47 31 44 16 49 64 63 79 66 74 58 52 37 42 32 53 17 47 65 61 72 65 70 57 47 36 39 31 49 18 48 63 67 70 63 68 56 51 37 36 35 47 19 49 63 66 68 62 69 57 67 39 35 44 58 20 50 64 62 75 63 78 56 57 37 33 78 57 21 51 63 61 82 67 80 51 51 37 33 61 53 22 51 63 61 80 65 92 48 49 38 80 44 48 23 51 64 60 90 63 78 60 47 44 99 38 43 24 52 81 60 75 61 72 62 45 50 60 34 45 25 51 86 59 76 61 70 63 44 65 46 32 49 26 51 80 58 78 62 72 72 42 69 40 42 54 27 51 76 58 71 66 89 61 41 70 39 46 73 28 52 70 58 69 67 84 64 40 55 35 55 65 29 53 69 59 70 --- 73 61 40 47 33 73 52 30 54 66 59 68 --- 80 57 40 43 31 58 46 31 55 --- 57 67 --- 100 --- 40 --- 29 54 --- TOTAL 1507 1973 1943 2425 2206 2552 1914 1593 1317 1483 1175 1417 MEAN 48.6 65.8 62.7 78.2 78.8 82.3 63.8 51.4 43.9 47.8 37.9 47.2 MAX 55 86 69 117 198 134 90 69 70 99 78 73 MIN 43 56 57 57 61 64 48 40 36 29 25 32 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1998 - 2002, BY WATER YEAR (WY) MEAN 68.1 82.8 92.9 164 178 198 145 87.2 77.7 82.4 57.7 82.1 MAX 92.6 99.4 118 367 453 523 406 195 127 147 92.7 134 (WY) 1999 1999 1999 1998 1998 1998 1998 1998 1998 1999 1998 1998 MIN 44.9 65.8 62.7 78.2 78.8 82.3 63.8 47.5 42.5 45.9 37.9 47.2 (WY) 2001 2002 2002 2002 2002 2002 2002 2000 2000 2000 2002 2002 SUMMARY STATISTICS FOR 2001 CALENDAR YEAR FOR 2002 WATER YEAR WATER YEARS 1998 - 2002 ANNUAL TOTAL 28232 21505 ANNUAL MEAN 77.3 58.9 82.2 HIGHEST ANNUAL MEAN 110 1999 LOWEST ANNUAL MEAN 58.9 2002 HIGHEST DAILY MEAN 356 Mar 5 198 Feb 8 2180 Mar 9 1998 LOWEST DAILY MEAN 43 Aug 29 25 Aug 9 25 Aug 9 2002 ANNUAL SEVEN-DAY MINIMUM 45 Sep 30 25 Aug 8 25 Aug 8 2002 MAXIMUM PEAK FLOW 209 Feb 8 2530 Mar 9 1998 MAXIMUM PEAK STAGE 4.71 Feb 8 8.77 Mar 9 1998 10 PERCENT EXCEEDS 110 80 130 50 PERCENT EXCEEDS 64 60 70 90 PERCENT EXCEEDS 49 36 43