1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02135600 POCOTALIGO R NR SUMTER S C SOURCE AGENCY USGS STATE 45 COUNTY 085 LATITUDE 334815 LONGITUDE 0801725 NAD27 DRAINAGE AREA 185.00* CONTRIBUTING DRAINAGE AREA DATUM 95.88 NGVD29 Date Processed: 2004-08-20 15:03 By mishealy APPROVED DD #3, , 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 78 73 486 909 384 349 470 110 102 45 45 12 2 83 72 436 667 359 335 434 90 90 49 45 12 3 85 72 373 562 343 336 390 90 85 48 43 11 4 106 74 322 477 330 449 361 100 149 46 42 11 5 112 99 293 484 330 606 368 110 169 43 42 17 6 110 111 266 756 348 621 378 120 169 42 43 24 7 126 116 255 1320 348 584 360 140 152 41 45 24 8 161 128 247 2070 457 575 368 150 131 39 47 23 9 203 148 234 2630 591 521 380 140 114 38 46 23 10 200 164 239 2580 636 456 434 130 100 36 43 28 11 188 166 250 2080 646 405 433 110 90 34 41 53 12 177 162 256 1730 636 373 396 90 90 30 36 60 13 168 170 259 1650 572 405 350 80 109 28 33 54 14 163 153 257 1420 497 441 330 75 97 27 37 46 15 156 140 249 1260 454 521 300 75 84 24 34 41 16 151 136 240 1110 440 612 290 80 76 23 31 39 17 145 141 232 900 414 632 280 85 84 22 28 41 18 132 143 220 731 379 570 270 90 156 25 25 48 19 121 141 210 637 369 487 260 85 172 27 23 41 20 112 138 203 560 364 441 230 78 151 34 21 41 21 106 140 195 532 360 428 220 74 130 35 20 61 22 101 160 191 558 365 414 210 70 116 32 19 66 23 97 169 188 587 359 392 220 68 100 31 18 92 24 96 167 184 594 344 375 230 67 87 32 17 153 25 92 241 180 633 335 360 210 67 78 34 16 161 26 86 541 179 616 354 354 190 77 71 37 15 155 27 80 819 203 570 364 403 160 88 65 38 14 132 28 77 736 547 534 360 446 150 89 58 38 14 117 29 76 689 1070 498 --- 471 160 85 53 39 14 102 30 75 614 1170 445 --- 476 140 81 49 44 13 86 31 74 --- 1180 410 --- 470 --- 86 --- 46 13 --- TOTAL 3737 6823 10814 30510 11738 14308 8972 2880 3177 1107 923 1774 MEAN 121 227 349 984 419 462 299 92.9 106 35.7 29.8 59.1 MAX 203 819 1180 2630 646 632 470 150 172 49 47 161 MIN 74 72 179 410 330 335 140 67 49 22 13 11 CFSM 0.65 1.23 1.89 5.32 2.27 2.49 1.62 0.50 0.57 0.19 0.16 0.32 IN. 0.75 1.37 2.17 6.13 2.36 2.88 1.80 0.58 0.64 0.22 0.19 0.36 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1993 - 1993, BY WATER YEAR (WY) MEAN 121 227 349 984 419 462 299 92.9 106 35.7 29.8 59.1 MAX 121 227 349 984 419 462 299 92.9 106 35.7 29.8 59.1 (WY) 1993 1993 1993 1993 1993 1993 1993 1993 1993 1993 1993 1993 MIN 121 227 349 984 419 462 299 92.9 106 35.7 29.8 59.1 (WY) 1993 1993 1993 1993 1993 1993 1993 1993 1993 1993 1993 1993 SUMMARY STATISTICS FOR 1993 WATER YEAR ANNUAL TOTAL 96763 ANNUAL MEAN 265 HIGHEST DAILY MEAN 2630 Jan 9 LOWEST DAILY MEAN 11 Sep 3 ANNUAL SEVEN-DAY MINIMUM 12 Aug 29 MAXIMUM PEAK FLOW 2710 Jan 9 MAXIMUM PEAK STAGE 9.00 Jan 9 INSTANTANEOUS LOW FLOW 10 Sep 4 ANNUAL RUNOFF (CFSM) 1.43 ANNUAL RUNOFF (INCHES) 19.46 10 PERCENT EXCEEDS 579 50 PERCENT EXCEEDS 150 90 PERCENT EXCEEDS 32 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02135600 POCOTALIGO R NR SUMTER S C SOURCE AGENCY USGS STATE 45 COUNTY 085 LATITUDE 334815 LONGITUDE 0801725 NAD27 DRAINAGE AREA 185.00* CONTRIBUTING DRAINAGE AREA DATUM 95.88 NGVD29 Date Processed: 2004-08-20 15:03 By mishealy WORKING DD #3, , 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 74 142 120 101 210 190 220 75 34 75 216 150 2 66 192 141 115 210 170 200 74 41 92 342 130 3 59 217 140 115 200 350 180 72 45 106 367 138 4 53 218 126 145 190 450 160 95 41 116 329 197 5 49 196 119 160 170 480 145 91 39 115 295 201 6 45 169 107 150 160 400 130 80 39 112 264 185 7 43 140 99 145 150 350 120 75 47 95 315 179 8 42 120 89 140 140 270 115 76 51 83 340 171 9 41 106 80 128 140 230 110 80 97 75 310 161 10 39 99 75 117 170 210 110 84 147 69 257 154 11 37 91 79 107 200 250 105 86 163 64 213 145 12 35 79 77 131 230 290 105 85 140 60 192 136 13 36 69 77 170 250 240 110 81 114 56 169 125 14 38 62 79 200 260 200 120 76 102 53 150 115 15 39 57 92 210 250 210 130 73 94 49 134 107 16 40 52 94 200 220 220 150 71 84 45 172 99 17 46 47 92 170 200 210 170 68 76 42 248 92 18 43 45 92 150 160 200 180 62 71 40 265 94 19 39 45 98 160 140 180 180 58 71 42 300 109 20 35 45 98 180 130 150 171 54 69 50 374 246 21 33 44 105 180 120 110 167 51 66 49 429 533 22 32 45 96 175 115 90 160 49 61 45 403 592 23 32 45 109 170 120 75 154 47 54 43 366 484 24 31 44 121 160 125 80 146 44 50 40 329 387 25 31 42 122 155 140 85 136 43 47 37 289 345 26 37 42 118 150 160 150 125 40 44 69 266 300 27 40 51 118 145 190 220 108 38 58 306 234 246 28 35 62 116 140 200 250 97 36 75 286 202 223 29 34 57 111 160 --- 250 88 35 78 222 180 220 30 65 65 105 180 --- 240 80 34 74 213 161 216 31 99 --- 95 190 --- 230 --- 33 --- 238 172 --- TOTAL 1368 2688 3190 4799 4950 7030 4172 1966 2172 2987 8283 6480 MEAN 44.1 89.6 103 155 177 227 139 63.4 72.4 96.4 267 216 MAX 99 218 141 210 260 480 220 95 163 306 429 592 MIN 31 42 75 101 115 75 80 33 34 37 134 92 CFSM 0.24 0.48 0.56 0.84 0.96 1.23 0.75 0.34 0.39 0.52 1.44 1.17 IN. 0.28 0.54 0.64 0.96 1.00 1.41 0.84 0.40 0.44 0.60 1.67 1.30 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1993 - 1994, BY WATER YEAR (WY) MEAN 82.3 159 226 569 298 344 219 78.2 89.1 66.0 148 138 MAX 121 227 349 984 419 462 299 92.9 106 96.4 267 216 (WY) 1993 1993 1993 1993 1993 1993 1993 1993 1993 1994 1994 1994 MIN 44.1 89.6 103 155 177 227 139 63.4 72.4 35.7 29.8 59.1 (WY) 1994 1994 1994 1994 1994 1994 1994 1994 1994 1993 1993 1993 SUMMARY STATISTICS FOR 1993 CALENDAR YEAR FOR 1994 WATER YEAR WATER YEARS 1993 - 1994 ANNUAL TOTAL 50085 ANNUAL MEAN 137 201 HIGHEST ANNUAL MEAN 265 1993 LOWEST ANNUAL MEAN 137 1994 HIGHEST DAILY MEAN 592 Sep 22 2630 Jan 9 1993 LOWEST DAILY MEAN 31 Oct 24 11 Sep 3 1993 ANNUAL SEVEN-DAY MINIMUM 33 Oct 20 12 Aug 29 1993 MAXIMUM PEAK FLOW 601 Sep 22 2710 Jan 9 1993 MAXIMUM PEAK STAGE 7.00 Sep 22 9.00 Jan 9 1993 INSTANTANEOUS LOW FLOW 30 Oct 24 10 Sep 4 1993 ANNUAL RUNOFF (CFSM) 0.74 1.09 ANNUAL RUNOFF (INCHES) 10.07 14.77 10 PERCENT EXCEEDS 250 440 50 PERCENT EXCEEDS 115 128 90 PERCENT EXCEEDS 42 39 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02135600 POCOTALIGO R NR SUMTER S C SOURCE AGENCY USGS STATE 45 COUNTY 085 LATITUDE 334815 LONGITUDE 0801725 NAD27 DRAINAGE AREA 185.00* CONTRIBUTING DRAINAGE AREA DATUM 95.88 NGVD29 Date Processed: 2004-08-20 15:03 By mishealy WORKING DD #3, , 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 1 207 184 365 530 --- --- --- 86 42 244 105 363 2 195 175 372 491 --- --- --- 84 43 378 96 250 3 196 169 382 456 --- --- --- 82 45 665 94 195 4 210 166 385 434 --- --- --- 80 49 623 101 152 5 199 165 423 412 --- --- --- 79 63 355 96 125 6 220 165 426 378 --- --- --- 73 150 261 84 109 7 261 165 411 928 --- --- --- 67 262 319 74 100 8 255 162 381 1300 --- --- --- 63 462 366 69 94 9 220 158 362 1330 --- --- --- 59 521 296 72 91 10 211 157 376 1270 --- --- --- 57 399 221 86 90 11 205 155 402 946 --- --- --- 56 280 205 91 122 12 205 152 389 774 --- --- --- 55 199 197 85 101 13 323 151 358 664 --- --- --- 52 169 165 78 87 14 535 155 328 717 --- --- --- 52 122 135 69 82 15 723 200 309 1150 --- --- --- 51 93 117 61 85 16 725 217 304 1310 --- --- --- 49 77 102 54 102 17 640 224 314 1260 --- --- --- 47 67 117 48 96 18 577 212 309 1110 --- --- --- 43 61 106 45 104 19 497 194 290 886 --- --- --- 45 70 91 48 99 20 412 179 268 714 --- --- --- 49 87 83 44 108 21 344 190 247 620 --- --- --- 45 155 78 39 117 22 296 226 292 569 --- --- --- 42 282 82 36 115 23 263 256 810 537 --- --- --- 39 253 80 34 110 24 235 281 2270 564 --- --- --- 36 195 83 35 124 25 218 289 2690 562 --- --- --- 34 152 110 38 146 26 215 281 1950 545 --- --- --- 33 131 167 73 199 27 213 290 1250 582 --- --- --- 32 126 169 194 232 28 209 294 935 559 --- --- --- 39 153 151 515 238 29 200 302 760 549 --- --- --- 60 216 133 1090 214 30 195 333 636 569 --- --- --- 49 207 120 1010 186 31 192 --- 569 573 --- --- --- 44 --- 113 617 --- TOTAL 9596 6247 19563 23289 --- --- --- 1682 5131 6332 5181 4236 MEAN 310 208 631 751 --- --- --- 54.3 171 204 167 141 MAX 725 333 2690 1330 --- --- --- 86 521 665 1090 363 MIN 192 151 247 378 --- --- --- 32 42 78 34 82 CFSM 1.67 1.13 3.41 4.06 --- --- --- 0.29 0.92 1.10 0.90 0.76 IN. 1.93 1.26 3.93 4.68 --- --- --- 0.34 1.03 1.27 1.04 0.85 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1993 - 1995, BY WATER YEAR (WY) MEAN 158 175 361 630 298 344 219 70.2 116 112 155 139 MAX 310 227 631 984 419 462 299 92.9 171 204 267 216 (WY) 1995 1993 1995 1993 1993 1993 1993 1993 1995 1995 1994 1994 MIN 44.1 89.6 103 155 177 227 139 54.3 72.4 35.7 29.8 59.1 (WY) 1994 1994 1994 1994 1994 1994 1994 1995 1994 1993 1993 1993 SUMMARY STATISTICS FOR 1994 CALENDAR YEAR WATER YEARS 1993 - 1995 ANNUAL MEAN 201 HIGHEST ANNUAL MEAN 265 1993 LOWEST ANNUAL MEAN 137 1994 HIGHEST DAILY MEAN 2690 Dec 25 1994 LOWEST DAILY MEAN 11 Sep 3 1993 ANNUAL SEVEN-DAY MINIMUM 12 Aug 29 1993 MAXIMUM PEAK FLOW 2790 Dec 25 1994 MAXIMUM PEAK STAGE 9.05 Dec 25 1994 INSTANTANEOUS LOW FLOW 10 Sep 4 1993 ANNUAL RUNOFF (CFSM) 1.09 ANNUAL RUNOFF (INCHES) 14.77 10 PERCENT EXCEEDS 497 50 PERCENT EXCEEDS 141 90 PERCENT EXCEEDS 41