1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197348 PEN BRANCH AT ROAD A-13 (SRS) , SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 330934 LONGITUDE 0814108 NAD27 DRAINAGE AREA 21.2* CONTRIBUTING DRAINAGE AREA DATUM 100. NGVD29 Date Processed: 2004-08-20 15:18 By mishealy APPROVED DD #3, ,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 --- 102 138 411 414 404 431 401 254 --- --- 77 2 --- 96 129 408 421 404 400 405 254 --- 446 72 3 --- 103 108 428 419 405 398 409 250 --- 457 64 4 --- 97 131 432 415 433 410 410 363 --- 445 58 5 --- 80 148 414 413 437 438 413 408 --- 445 69 6 --- 107 202 406 417 448 424 411 406 403 438 55 7 --- 117 324 419 416 508 420 409 412 407 429 55 8 --- 105 181 407 234 431 422 412 411 404 431 60 9 --- 103 302 402 88 419 423 413 416 --- 432 53 10 --- 232 425 414 91 415 422 416 414 --- 430 51 11 --- 143 443 407 103 420 420 418 --- --- 427 48 12 --- 150 538 406 153 413 423 422 --- --- 429 46 13 --- 82 475 403 189 496 423 421 --- --- 434 51 14 --- 111 447 416 397 437 421 420 --- --- 438 56 15 --- 134 441 414 395 419 424 423 --- --- 438 60 16 --- 121 428 406 395 300 425 425 --- --- 442 60 17 --- 116 419 406 397 163 423 426 --- --- 433 57 18 --- 115 412 406 395 409 391 426 --- --- 457 57 19 --- 110 406 404 399 406 77 427 --- --- 461 53 20 --- 118 410 403 401 429 80 428 --- --- 433 51 21 --- 118 400 405 399 450 77 428 --- --- 430 49 22 --- 117 402 404 399 616 255 434 --- --- 248 39 23 --- 111 409 404 334 456 406 428 --- --- 174 46 24 --- 112 402 412 117 436 410 436 --- --- 172 35 25 --- 113 401 417 119 431 402 436 --- --- 185 38 26 --- 131 450 412 397 430 404 441 --- --- 233 69 27 --- 157 414 415 427 429 399 437 --- --- 187 68 28 --- 171 411 417 433 426 398 431 --- --- 163 70 29 --- 164 408 413 --- 426 396 307 --- --- 149 71 30 --- 143 414 413 --- 434 398 262 --- --- 121 48 31 --- --- 410 414 --- 457 --- 263 --- --- 74 --- TOTAL --- 3679 11028 12738 9177 13187 11240 12638 --- --- --- 1686 MEAN --- 123 356 411 328 425 375 408 --- --- --- 56.2 MAX --- 232 538 432 433 616 438 441 --- --- --- 77 MIN --- 80 108 402 88 163 77 262 --- --- --- 35 CFSM --- 5.78 16.8 19.4 15.5 20.1 17.7 19.2 --- --- --- 2.65 IN. --- 6.46 19.35 22.35 16.10 23.14 19.72 22.18 --- --- --- 2.96 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197348 PEN BRANCH AT ROAD A-13 (SRS) , SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 330934 LONGITUDE 0814108 NAD27 DRAINAGE AREA 21.2* CONTRIBUTING DRAINAGE AREA DATUM 100. NGVD29 Date Processed: 2004-08-20 15:18 By mishealy APPROVED DD #3, ,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 48 168 247 167 423 475 188 463 443 401 414 204 2 59 206 239 116 440 463 187 462 446 403 417 305 3 72 164 237 114 431 477 355 453 448 405 415 419 4 57 154 235 502 426 460 176 485 438 404 412 391 5 50 229 253 502 427 452 180 467 169 405 414 382 6 54 342 141 505 426 452 176 448 163 407 415 331 7 59 196 248 503 430 451 245 448 158 402 413 384 8 53 205 406 520 430 450 404 446 163 404 418 390 9 58 204 403 556 443 468 401 520 197 303 408 387 10 58 204 398 520 453 502 405 485 279 171 414 382 11 50 202 399 522 454 441 405 453 320 356 413 388 12 53 201 398 524 453 434 406 444 149 399 413 387 13 62 200 400 616 446 425 447 444 190 400 412 379 14 53 199 420 568 449 428 440 440 326 402 214 383 15 54 201 419 524 447 430 422 442 419 418 205 383 16 59 209 408 518 454 435 412 433 417 445 210 387 17 60 201 406 532 452 432 410 443 412 424 200 386 18 77 201 406 297 458 436 417 447 411 415 160 395 19 78 233 393 304 440 440 440 446 409 357 138 399 20 84 407 397 309 433 447 424 446 415 182 34 401 21 78 403 416 316 431 449 420 443 411 400 44 396 22 91 407 405 522 446 450 431 440 402 404 48 399 23 83 409 403 517 442 451 436 444 404 405 34 400 24 88 409 405 517 440 450 440 443 401 409 43 397 25 113 408 411 700 439 468 455 446 400 413 119 404 26 116 405 404 622 446 468 467 444 401 420 112 404 27 80 404 402 436 445 452 450 445 404 418 117 409 28 96 400 401 182 464 184 451 442 393 419 159 403 29 86 401 401 198 --- 152 445 441 397 423 189 400 30 88 338 411 180 --- 187 446 437 400 418 183 398 31 85 --- 341 437 --- 186 --- 437 --- 419 198 --- TOTAL 2202 8310 11253 13346 12368 12895 11381 13977 10385 12051 7785 11473 MEAN 71.0 277 363 431 442 416 379 451 346 389 251 382 MAX 116 409 420 700 464 502 467 520 448 445 418 419 MIN 48 154 141 114 423 152 176 433 149 171 34 204 CFSM 3.35 13.1 17.1 20.3 20.8 19.6 17.9 21.3 16.3 18.3 11.8 18.0 IN. 3.86 14.58 19.75 23.42 21.70 22.63 19.97 24.53 18.22 21.15 13.66 20.13 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197348 PEN BRANCH AT ROAD A-13 (SRS) , SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 330934 LONGITUDE 0814108 NAD27 DRAINAGE AREA 21.2* CONTRIBUTING DRAINAGE AREA DATUM 100. NGVD29 Date Processed: 2004-08-20 15:18 By mishealy APPROVED DD #3, ,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 1 400 185 181 409 391 171 411 418 --- 149 --- 98 2 398 129 188 429 395 168 411 422 --- 146 39 252 3 397 156 256 420 396 168 410 422 --- 139 --- 125 4 401 169 258 418 401 166 410 421 --- 129 --- 207 5 405 183 256 410 398 179 405 425 --- 130 --- 316 6 405 164 211 409 423 247 416 425 453 130 67 306 7 401 137 143 413 467 382 404 423 453 149 72 412 8 404 137 138 416 414 382 413 432 454 73 73 --- 9 408 136 247 405 403 385 464 447 452 65 70 --- 10 408 136 366 404 402 386 429 451 451 60 77 --- 11 407 137 403 404 400 421 423 465 451 70 98 --- 12 406 136 254 404 176 404 415 469 447 53 131 --- 13 408 139 273 414 140 399 443 452 438 63 81 --- 14 411 157 284 406 143 401 446 576 430 51 64 --- 15 410 156 365 397 133 398 425 459 423 51 62 --- 16 407 142 420 394 147 392 418 440 437 52 63 --- 17 406 137 418 396 141 394 414 438 439 60 65 --- 18 414 136 425 399 145 396 415 429 324 71 72 --- 19 409 135 426 392 138 395 422 436 155 67 70 --- 20 408 138 423 393 179 394 272 436 147 52 71 --- 21 405 138 423 410 241 394 148 455 149 57 72 --- 22 405 137 418 392 426 399 158 461 150 59 75 --- 23 404 140 414 389 488 428 158 495 170 46 153 --- 24 405 137 441 414 --- 454 154 468 153 42 73 --- 25 409 133 429 396 190 404 207 465 153 42 56 --- 26 412 136 419 393 56 395 279 --- 153 38 76 --- 27 414 143 414 396 131 397 301 --- 150 39 83 --- 28 414 142 413 388 177 404 373 --- 148 38 69 --- 29 418 166 411 392 --- 411 424 --- 148 37 98 --- 30 419 204 411 398 --- 410 419 --- 150 --- 87 --- 31 417 --- 408 397 --- 411 --- --- --- --- 87 --- TOTAL 12635 4421 10536 12497 --- 11135 10887 --- --- --- --- --- MEAN 408 147 340 403 --- 359 363 --- --- --- --- --- MAX 419 204 441 429 --- 454 464 --- --- --- --- --- MIN 397 129 138 388 --- 166 148 --- --- --- --- --- CFSM 19.2 6.95 16.0 19.0 --- 16.9 17.1 --- --- --- --- --- IN. 22.17 7.76 18.49 21.93 --- 19.54 19.10 --- --- --- --- --- 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197348 PEN BRANCH AT ROAD A-13 (SRS) , SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 330934 LONGITUDE 0814108 NAD27 DRAINAGE AREA 21.2* CONTRIBUTING DRAINAGE AREA DATUM 100. NGVD29 Date Processed: 2004-08-20 15:18 By mishealy APPROVED DD #3, ,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 --- --- 420 431 447 436 440 409 --- --- --- --- 2 --- 276 418 427 440 438 434 407 --- 444 --- --- 3 383 243 175 418 436 266 432 406 61 450 --- --- 4 401 139 215 425 169 448 452 406 60 453 --- --- 5 428 128 198 426 140 452 428 410 56 --- --- --- 6 421 126 180 422 196 459 424 405 49 --- --- --- 7 408 130 240 421 198 448 212 --- 41 --- --- --- 8 398 136 231 426 192 562 166 --- 34 --- 364 --- 9 385 145 185 429 206 534 187 --- 42 --- 368 --- 10 385 318 165 424 337 466 173 --- 36 --- 377 --- 11 385 585 156 437 451 451 382 --- 42 --- --- --- 12 387 528 237 433 440 520 423 --- 68 --- --- --- 13 388 454 422 423 432 751 237 --- 119 --- --- --- 14 389 439 420 437 434 507 436 --- 137 --- --- --- 15 385 427 436 433 434 456 408 --- 160 --- --- --- 16 --- 421 447 434 471 442 401 --- 143 --- --- --- 17 --- 422 438 434 449 442 398 --- 183 --- --- --- 18 --- 418 432 452 430 456 394 --- --- --- --- --- 19 --- 412 419 449 435 439 399 --- --- --- --- --- 20 --- 410 425 440 433 445 404 --- --- --- --- --- 21 --- 417 420 444 434 476 401 --- --- --- --- --- 22 --- 420 420 451 436 441 402 --- --- --- --- --- 23 --- 422 421 477 450 429 410 --- --- --- --- --- 24 --- 417 425 459 436 437 410 --- --- --- --- --- 25 --- 423 430 453 434 438 403 --- --- --- --- --- 26 --- 429 424 464 429 425 406 --- --- --- --- --- 27 --- 422 421 479 431 424 405 --- --- --- --- --- 28 --- 417 421 453 436 520 405 --- --- --- --- --- 29 --- 416 415 442 437 525 406 --- --- --- --- --- 30 --- 419 439 435 --- 498 406 --- --- --- --- --- 31 --- --- 438 454 --- 471 --- --- --- --- --- --- TOTAL --- --- 10933 13632 11093 14502 11284 --- --- --- --- --- MEAN --- --- 353 440 383 468 376 --- --- --- --- --- MAX --- --- 447 479 471 751 452 --- --- --- --- --- MIN --- --- 156 418 140 266 166 --- --- --- --- --- CFSM --- --- 16.6 20.7 18.0 22.1 17.7 --- --- --- --- --- IN. --- --- 19.18 23.92 19.47 25.45 19.80 --- --- --- --- --- 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197348 PEN BRANCH AT ROAD A-13 (SRS) , SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 330934 LONGITUDE 0814108 NAD27 DRAINAGE AREA 21.2* CONTRIBUTING DRAINAGE AREA DATUM 100. NGVD29 Date Processed: 2004-08-20 15:18 By mishealy APPROVED DD #3, ,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 --- --- --- --- 440 43 173 397 448 274 432 120 2 --- --- --- --- 456 49 170 396 430 393 458 132 3 --- --- --- --- 445 45 136 397 431 421 442 133 4 --- --- --- --- 438 45 133 401 424 415 388 153 5 --- --- 437 --- 440 64 129 403 459 417 206 214 6 --- --- 437 --- 440 56 125 400 430 429 378 327 7 --- --- 433 --- 445 77 100 407 434 427 403 387 8 439 --- 436 439 447 83 97 406 450 425 398 387 9 436 --- 439 433 438 62 112 396 435 422 403 381 10 431 --- --- 435 439 55 109 397 429 419 403 380 11 437 --- --- 435 545 57 76 394 432 417 407 381 12 441 --- --- 429 479 55 93 391 422 417 403 382 13 --- --- --- 430 465 57 119 390 417 411 403 383 14 --- --- --- 432 459 55 102 389 334 418 402 385 15 --- --- --- 432 450 46 99 393 308 414 403 382 16 --- --- --- 432 447 74 95 396 413 412 396 391 17 --- --- --- 429 345 76 90 397 415 405 444 391 18 --- --- --- 431 277 59 90 398 411 404 408 393 19 --- --- --- 432 280 56 162 402 421 413 399 389 20 --- --- --- 433 270 54 86 408 415 404 402 385 21 --- --- --- 437 257 60 119 408 423 412 408 388 22 --- --- --- 434 231 74 238 421 424 406 406 389 23 --- --- --- 435 124 77 401 406 422 398 406 386 24 --- --- --- 433 70 89 403 408 427 398 405 387 25 --- --- --- 434 57 80 398 407 420 399 401 387 26 --- --- --- 443 79 104 392 410 418 400 401 389 27 --- --- --- 441 84 117 392 422 421 409 403 393 28 --- --- --- 443 44 112 390 412 304 407 405 395 29 --- --- --- 439 --- 104 396 413 291 402 408 399 30 --- --- --- 448 --- 110 408 413 280 403 375 400 31 --- --- --- 443 --- 103 --- 439 --- 413 130 --- TOTAL --- --- --- --- 9391 2198 5833 12517 12188 12604 12126 10389 MEAN --- --- --- --- 335 70.9 194 404 406 407 391 346 MAX --- --- --- --- 545 117 408 439 459 429 458 400 MIN --- --- --- --- 44 43 76 389 280 274 130 120 CFSM --- --- --- --- 15.8 3.34 9.17 19.0 19.2 19.2 18.5 16.3 IN. --- --- --- --- 16.48 3.86 10.24 21.96 21.39 22.12 21.28 18.23 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197348 PEN BRANCH AT ROAD A-13 (SRS) , SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 330934 LONGITUDE 0814108 NAD27 DRAINAGE AREA 21.2* CONTRIBUTING DRAINAGE AREA DATUM 100. NGVD29 Date Processed: 2004-08-20 15:18 By mishealy APPROVED DD #3, ,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 1 418 414 430 494 99 406 422 418 418 414 418 418 2 422 414 438 438 95 402 418 414 414 414 418 414 3 414 414 422 447 120 402 418 418 422 414 418 414 4 414 414 418 338 125 402 414 418 426 418 414 414 5 414 418 418 273 125 406 398 414 426 426 418 414 6 410 414 418 258 125 402 426 414 418 414 422 414 7 410 410 418 226 178 410 422 414 414 418 426 414 8 410 410 422 229 133 410 426 410 414 422 422 414 9 406 414 418 226 142 410 430 414 414 422 426 418 10 418 414 418 226 184 406 426 410 414 438 418 418 11 414 414 418 205 251 406 422 406 418 422 422 418 12 406 418 422 157 175 406 418 406 418 418 426 414 13 406 414 422 160 414 406 418 406 438 434 434 418 14 406 410 434 154 298 410 418 414 426 418 426 410 15 406 418 451 133 142 410 418 410 418 422 422 406 16 406 418 438 128 148 410 414 410 418 418 418 406 17 406 422 426 123 242 430 422 414 418 422 418 410 18 410 418 430 118 414 451 426 438 422 418 434 410 19 410 414 426 123 410 422 422 422 418 414 442 438 20 410 418 426 115 390 410 434 414 414 414 426 418 21 410 422 422 111 151 418 426 414 414 434 422 422 22 410 418 426 108 148 414 422 410 414 418 418 418 23 410 418 426 113 145 414 418 410 414 422 418 418 24 414 406 426 125 139 418 418 418 426 451 418 410 25 422 373 447 115 131 418 434 426 418 426 414 406 26 422 358 434 108 381 414 474 418 418 422 418 406 27 414 410 430 93 414 414 465 460 418 418 418 410 28 410 422 430 106 414 414 438 426 422 414 418 410 29 414 418 474 93 --- 422 422 414 414 422 418 410 30 410 418 434 83 --- 422 418 422 414 418 418 406 31 414 --- 535 102 --- 422 --- 418 --- 422 414 --- TOTAL 12766 12363 13397 5728 6133 12807 12747 12920 12560 13067 13062 12416 MEAN 412 412 432 185 219 413 425 417 419 422 421 414 MAX 422 422 535 494 414 451 474 460 438 451 442 438 MIN 406 358 418 83 95 402 398 406 414 414 414 406 CFSM 19.4 19.4 20.4 8.72 10.3 19.5 20.0 19.7 19.7 19.9 19.9 19.5 IN. 22.40 21.69 23.51 10.05 10.76 22.47 22.37 22.67 22.04 22.93 22.92 21.79 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197348 PEN BRANCH AT ROAD A-13 (SRS) , SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 330934 LONGITUDE 0814108 NAD27 DRAINAGE AREA 21.2* CONTRIBUTING DRAINAGE AREA DATUM 100. NGVD29 Date Processed: 2004-08-20 15:18 By mishealy APPROVED DD #3, ,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 1 393 377 --- 422 --- --- --- --- 402 91 405 508 2 393 379 --- 450 --- --- --- --- 401 95 421 434 3 390 379 362 442 --- --- --- 415 401 97 395 410 4 390 420 405 422 --- --- --- 423 402 96 396 402 5 391 403 407 418 --- --- --- 414 405 98 396 401 6 260 394 409 --- --- --- --- 409 412 92 394 406 7 116 397 414 --- --- --- --- 409 430 92 397 336 8 140 396 390 --- --- --- --- 408 440 85 395 182 9 140 399 386 --- --- --- --- 409 398 80 392 151 10 142 357 386 --- --- --- --- 407 281 79 392 220 11 143 --- 394 --- --- --- --- 407 254 77 395 200 12 122 --- 430 --- --- --- --- 405 238 73 394 204 13 98 --- 398 --- --- --- --- 408 229 80 393 188 14 131 --- 390 --- --- --- --- 408 210 79 386 194 15 106 --- 390 --- --- --- --- 404 108 87 386 167 16 141 --- 398 --- --- --- --- 407 109 137 387 160 17 127 --- 390 --- --- --- --- 406 103 137 386 151 18 135 --- 390 --- --- --- --- 406 102 137 388 172 19 296 --- 386 --- --- --- --- 407 101 140 388 272 20 382 --- 386 --- --- --- --- 406 101 154 387 405 21 377 --- 386 --- --- --- --- 405 102 132 385 413 22 379 --- 386 --- --- --- --- 403 129 119 385 406 23 381 --- 386 --- --- --- --- 402 129 151 384 398 24 382 --- 386 --- --- --- --- 401 98 158 389 393 25 384 --- 386 --- --- --- --- 403 99 227 389 391 26 381 --- 386 --- --- --- --- 417 97 218 390 392 27 377 --- 382 --- --- --- --- 406 99 229 388 391 28 375 --- 394 --- --- --- --- 401 64 410 384 389 29 372 --- 438 --- --- --- --- 401 66 409 384 390 30 374 --- 438 --- --- --- --- 402 67 409 382 402 31 377 --- 434 --- --- --- --- 406 --- 412 382 --- TOTAL 8595 --- --- --- --- --- --- --- 6477 4880 12115 9528 MEAN 277 --- --- --- --- --- --- --- 216 157 391 318 MAX 393 --- --- --- --- --- --- --- 440 412 421 508 MIN 98 --- --- --- --- --- --- --- 64 73 382 151 CFSM 13.1 --- --- --- --- --- --- --- 10.2 7.43 18.4 15.0 IN. 15.08 --- --- --- --- --- --- --- 11.37 8.56 21.26 16.72 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197348 PEN BRANCH AT ROAD A-13 (SRS) , SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 330934 LONGITUDE 0814108 NAD27 DRAINAGE AREA 21.2* CONTRIBUTING DRAINAGE AREA DATUM 100. NGVD29 Date Processed: 2004-08-20 15:18 By mishealy APPROVED DD #3, ,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 1 394 394 404 410 407 443 440 431 190 460 444 389 2 395 396 402 411 412 442 440 430 170 460 439 388 3 395 395 401 411 410 438 440 446 170 460 435 387 4 394 400 411 410 409 441 440 500 170 450 431 385 5 395 398 409 406 410 452 495 449 170 440 433 391 6 396 398 442 415 416 498 426 432 160 433 429 388 7 395 396 430 411 415 470 423 519 160 431 433 384 8 399 397 419 411 410 456 425 466 180 428 427 381 9 401 395 412 409 409 427 429 437 270 429 427 387 10 400 393 403 422 412 306 432 429 370 428 426 391 11 398 399 411 426 422 436 422 426 400 429 423 391 12 407 399 430 418 422 429 424 426 400 428 421 389 13 404 399 416 411 501 440 423 427 400 338 431 388 14 402 404 408 411 374 440 427 425 410 270 420 388 15 400 410 409 409 248 450 433 426 415 209 417 389 16 398 388 379 224 230 450 425 427 416 205 340 387 17 397 218 194 206 226 450 427 424 416 207 187 387 18 398 211 192 211 220 440 423 425 408 167 188 388 19 398 199 189 229 169 440 422 425 411 164 192 389 20 396 216 230 210 157 440 466 424 420 192 225 393 21 398 417 399 267 212 430 451 424 422 439 256 392 22 400 411 406 406 449 380 443 354 433 429 371 393 23 409 401 404 409 481 250 540 176 431 432 413 392 24 234 414 402 425 442 240 459 170 423 436 446 394 25 205 439 400 429 435 360 395 170 422 434 410 391 26 203 412 404 415 440 260 210 180 423 431 407 391 27 392 403 406 440 549 230 204 200 426 431 406 393 28 403 413 410 422 512 240 229 250 428 457 398 390 29 393 417 436 409 456 430 364 390 447 526 394 386 30 396 405 416 408 --- 440 456 370 455 465 396 395 31 396 --- 410 408 --- 440 --- 250 --- 473 394 --- TOTAL 11791 11337 11884 11709 11055 12488 12433 11728 10416 11981 11859 11677 MEAN 380 378 383 378 381 403 414 378 347 386 383 389 MAX 409 439 442 440 549 498 540 519 455 526 446 395 MIN 203 199 189 206 157 230 204 170 160 164 187 381 CFSM 17.9 17.8 18.1 17.8 18.0 19.0 19.5 17.8 16.4 18.2 18.0 18.4 IN. 20.69 19.89 20.85 20.55 19.40 21.91 21.82 20.58 18.28 21.02 20.81 20.49 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197348 PEN BRANCH AT ROAD A-13 (SRS) , SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 330934 LONGITUDE 0814108 NAD27 DRAINAGE AREA 21.2* CONTRIBUTING DRAINAGE AREA DATUM 100. NGVD29 Date Processed: 2004-08-20 15:18 By mishealy APPROVED DD #3, ,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 1 355 317 40 404 412 405 399 396 391 392 407 414 2 123 202 60 406 439 406 400 395 392 386 417 416 3 157 216 80 455 432 402 414 402 397 390 405 410 4 197 217 140 448 388 401 405 213 386 401 408 405 5 292 147 150 352 309 407 405 159 392 397 363 407 6 412 80 170 241 342 405 409 164 392 399 169 409 7 407 69 200 193 202 404 399 274 404 389 160 409 8 411 66 250 178 155 405 393 391 441 388 157 411 9 399 71 400 174 376 407 398 397 411 388 307 357 10 399 77 400 340 403 405 399 396 401 388 394 190 11 403 64 405 396 387 297 270 397 402 386 404 175 12 399 72 399 398 391 98 128 397 406 386 412 168 13 403 80 405 396 404 132 128 399 402 386 405 170 14 407 64 400 394 403 277 128 398 402 403 398 320 15 410 60 400 388 397 397 128 397 427 403 397 396 16 385 49 400 386 397 402 379 398 465 230 396 410 17 177 48 400 392 396 409 388 397 349 340 399 413 18 153 170 387 393 392 399 386 394 181 398 401 404 19 307 140 388 395 395 403 383 399 167 395 397 401 20 410 128 386 395 405 399 393 311 149 405 398 408 21 408 120 383 399 403 287 394 106 84 389 400 406 22 409 100 388 400 403 179 392 126 68 394 402 398 23 410 80 383 397 406 173 390 266 66 397 401 406 24 412 78 388 397 407 373 396 394 65 395 404 404 25 412 76 391 395 405 395 390 407 62 402 415 402 26 411 72 389 387 410 397 388 403 79 402 414 412 27 408 62 392 392 414 399 391 398 123 400 414 410 28 410 45 393 395 403 399 396 395 103 410 413 398 29 406 42 398 398 --- 401 396 404 87 413 418 404 30 412 41 399 401 --- 400 399 406 384 407 419 410 31 409 --- 400 411 --- 400 --- 397 --- 407 418 --- TOTAL 11113 3053 10164 11496 10676 11063 10664 10776 8478 12066 11712 11143 MEAN 358 102 328 371 381 357 355 348 283 389 378 371 MAX 412 317 405 455 439 409 414 407 465 413 419 416 MIN 123 41 40 174 155 98 128 106 62 230 157 168 CFSM 16.9 4.80 15.5 17.5 18.0 16.8 16.8 16.4 13.3 18.4 17.8 17.5 IN. 19.50 5.36 17.83 20.17 18.73 19.41 18.71 18.91 14.88 21.17 20.55 19.55 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197348 PEN BRANCH AT ROAD A-13 (SRS) , SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 330934 LONGITUDE 0814108 NAD27 DRAINAGE AREA 21.2* CONTRIBUTING DRAINAGE AREA DATUM 100. NGVD29 Date Processed: 2004-08-20 15:18 By mishealy APPROVED DD #3, ,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 1 415 410 406 421 76 92 381 373 363 365 376 390 2 436 409 394 421 76 85 380 374 372 370 391 385 3 434 402 387 421 76 86 376 372 372 368 384 387 4 421 404 407 419 76 95 379 372 368 368 386 385 5 419 400 409 426 85 88 377 395 369 364 397 382 6 420 394 418 375 96 179 379 388 366 201 402 383 7 416 391 410 254 94 386 379 381 364 102 410 384 8 411 388 410 227 91 384 376 380 367 66 196 382 9 409 388 417 231 93 379 378 379 369 58 145 380 10 412 385 413 246 96 375 378 386 376 54 145 382 11 412 385 431 246 140 377 375 386 425 52 161 304 12 408 389 443 220 93 380 377 390 381 50 206 149 13 408 399 522 231 90 388 382 406 377 166 142 154 14 392 396 460 169 86 435 330 383 372 361 154 278 15 205 394 434 117 85 407 138 388 371 358 145 374 16 200 390 427 105 85 390 127 391 368 357 142 382 17 198 392 419 108 90 392 148 388 367 371 144 386 18 360 334 418 106 87 389 372 385 366 357 142 383 19 398 180 417 102 90 410 377 381 367 362 142 389 20 406 176 422 101 88 440 378 377 370 309 203 378 21 402 180 412 97 84 406 379 378 375 128 256 377 22 405 308 414 92 85 397 374 376 370 127 169 376 23 398 201 419 88 85 392 379 376 368 310 149 385 24 417 352 416 85 89 388 381 379 369 360 147 386 25 402 396 414 86 91 386 374 379 374 362 147 382 26 399 389 415 87 85 381 373 380 370 374 144 383 27 394 386 421 86 87 374 191 231 149 388 142 380 28 397 393 427 86 87 247 165 133 135 375 142 379 29 398 394 428 81 --- 198 284 127 131 377 304 386 30 362 413 425 80 --- 199 368 123 322 384 394 392 31 302 --- 425 79 --- 251 --- 267 --- 380 396 --- TOTAL 11856 10818 13080 5893 2486 9776 10055 10824 10413 8624 7203 10843 MEAN 382 361 422 190 88.8 315 335 349 347 278 232 361 MAX 436 413 522 426 140 440 382 406 425 388 410 392 MIN 198 176 387 79 76 85 127 123 131 50 142 149 CFSM 18.0 17.0 19.9 8.97 4.19 14.9 15.8 16.5 16.4 13.1 11.0 17.0 IN. 20.80 18.98 22.95 10.34 4.36 17.15 17.64 18.99 18.27 15.13 12.64 19.03 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197348 PEN BRANCH AT ROAD A-13 (SRS) , SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 330934 LONGITUDE 0814108 NAD27 DRAINAGE AREA 21.2* CONTRIBUTING DRAINAGE AREA DATUM 100. NGVD29 Date Processed: 2004-08-20 15:18 By mishealy APPROVED DD #3, ,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 1 366 369 227 132 158 283 375 373 387 389 399 420 2 361 365 240 109 154 284 370 372 387 397 397 408 3 361 359 150 98 132 189 372 372 388 402 401 396 4 362 359 100 76 125 162 371 373 395 394 402 395 5 362 362 37 75 137 147 370 379 397 392 404 396 6 364 360 33 72 131 148 370 376 393 391 404 409 7 362 360 32 81 201 148 370 375 392 391 403 402 8 358 362 35 84 173 187 370 375 200 393 404 202 9 365 362 40 80 154 130 373 374 124 392 407 178 10 380 362 45 85 151 350 373 375 207 409 409 175 11 372 362 50 85 151 253 374 375 212 410 424 170 12 369 361 55 81 140 357 374 382 255 399 411 194 13 384 363 50 96 101 354 375 381 358 394 407 210 14 368 360 50 121 78 353 374 389 387 393 408 198 15 367 365 35 139 81 351 381 393 382 391 408 183 16 363 374 40 143 167 350 379 382 379 392 408 212 17 360 375 30 151 155 347 377 379 372 402 410 308 18 364 378 40 171 241 347 376 379 348 397 409 354 19 348 371 40 230 128 377 376 379 348 394 410 366 20 144 401 40 177 148 365 375 382 382 394 406 368 21 142 387 40 149 151 353 375 380 379 394 406 363 22 143 376 40 275 97 347 374 382 378 396 407 361 23 287 373 45 172 100 347 373 382 378 399 405 364 24 355 375 65 127 110 348 373 383 379 395 405 366 25 356 370 48 123 145 385 371 382 382 393 405 367 26 356 378 35 121 126 390 372 383 389 394 404 371 27 356 376 32 114 151 372 371 385 387 391 405 368 28 356 372 30 104 222 368 372 387 385 393 402 373 29 354 374 29 108 --- 369 371 387 386 394 404 373 30 354 404 27 130 --- 398 373 386 388 397 406 375 31 358 --- 29 122 --- 387 --- 387 --- 400 410 --- TOTAL 10497 11115 1789 3831 4008 9546 11200 11789 10524 12262 12590 9625 MEAN 339 370 57.7 124 143 308 373 380 351 396 406 321 MAX 384 404 240 275 241 398 381 393 397 410 424 420 MIN 142 359 27 72 78 130 370 372 124 389 397 170 CFSM 16.0 17.5 2.72 5.83 6.75 14.5 17.6 17.9 16.5 18.7 19.2 15.1 IN. 18.42 19.50 3.14 6.72 7.03 16.75 19.65 20.69 18.47 21.52 22.09 16.89 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197348 PEN BRANCH AT ROAD A-13 (SRS) , SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 330934 LONGITUDE 0814108 NAD27 DRAINAGE AREA 21.2* CONTRIBUTING DRAINAGE AREA DATUM 100. NGVD29 Date Processed: 2004-08-20 15:18 By mishealy APPROVED DD #3, ,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 1 383 393 388 371 215 373 383 87 34 41 29 54 2 367 391 387 388 198 378 384 70 34 68 28 59 3 349 389 393 386 346 381 383 36 31 74 32 58 4 348 391 393 379 348 392 382 52 33 74 31 55 5 350 392 394 369 342 387 382 68 33 73 28 60 6 358 387 394 301 342 383 386 67 33 72 26 55 7 357 393 392 149 344 383 386 66 42 72 25 51 8 356 387 393 197 348 384 380 66 40 74 25 53 9 354 390 393 354 347 386 378 56 49 72 27 86 10 352 403 395 359 347 424 368 58 74 76 29 68 11 355 407 391 351 346 390 168 55 44 68 33 57 12 355 399 388 335 348 385 164 50 36 64 34 54 13 355 402 388 360 347 383 160 45 34 62 30 53 14 357 399 388 360 350 380 193 45 33 61 29 54 15 358 398 390 364 354 382 186 43 32 49 27 52 16 358 394 389 368 355 383 186 42 34 41 25 53 17 359 409 388 378 355 382 184 45 35 41 23 53 18 353 407 382 370 356 385 185 46 32 40 24 56 19 352 400 385 364 381 385 189 44 31 39 25 52 20 356 400 381 364 369 382 155 41 31 44 27 51 21 361 395 381 358 359 382 141 38 32 61 28 50 22 353 384 384 358 358 378 137 36 31 42 35 48 23 138 395 376 356 362 379 147 37 33 34 40 48 24 320 391 372 357 363 379 158 40 20 35 43 48 25 381 392 376 356 361 380 148 39 26 31 45 54 26 381 396 377 360 360 384 152 38 28 28 46 65 27 379 395 374 357 362 385 144 36 69 28 45 54 28 376 400 373 357 367 383 138 35 44 29 46 47 29 384 398 377 360 373 384 134 33 26 31 52 79 30 382 391 375 355 --- 383 129 35 35 34 58 72 31 390 --- 375 355 --- 381 --- 36 --- 32 53 --- TOTAL 10977 11868 11932 10796 10003 11906 7010 1485 1089 1590 1048 1699 MEAN 354 396 385 348 345 384 234 47.9 36.3 51.3 33.8 56.6 MAX 390 409 395 388 381 424 386 87 74 76 58 86 MIN 138 384 372 149 198 373 129 33 20 28 23 47 CFSM 16.7 18.7 18.2 16.4 16.3 18.1 11.0 2.26 1.71 2.42 1.59 2.67 IN. 19.26 20.82 20.94 18.94 17.55 20.89 12.30 2.61 1.91 2.79 1.84 2.98 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197348 PEN BRANCH AT ROAD A-13 (SRS) , SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 330934 LONGITUDE 0814108 NAD27 DRAINAGE AREA 21.2* CONTRIBUTING DRAINAGE AREA DATUM 100. NGVD29 Date Processed: 2004-08-20 15:18 By mishealy APPROVED DD #3, ,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 55 70 44 75 115 123 60 87 71 74 79 54 2 38 58 45 78 114 129 66 86 96 64 76 46 3 46 43 41 67 112 156 66 65 80 64 76 40 4 54 44 40 126 81 128 66 53 72 80 85 39 5 43 49 40 382 80 127 67 55 69 111 72 42 6 40 45 42 524 81 129 67 58 70 77 70 43 7 38 44 41 368 81 121 70 52 62 73 69 42 8 36 41 41 355 81 102 71 51 53 76 68 39 9 34 40 42 249 72 116 108 50 71 74 71 48 10 34 41 42 332 73 119 132 63 53 73 69 44 11 38 34 42 389 77 110 129 55 49 72 66 38 12 42 38 40 102 75 107 87 58 48 68 60 38 13 41 44 39 129 76 121 72 56 47 82 58 42 14 41 46 37 176 79 119 56 56 42 72 57 48 15 43 57 37 170 77 116 65 63 44 77 74 48 16 43 45 39 154 76 112 66 48 63 90 70 48 17 45 43 45 101 78 105 57 45 75 76 38 49 18 52 30 63 112 83 117 54 52 79 72 36 47 19 43 30 60 117 88 119 52 57 85 83 31 47 20 43 31 52 134 98 117 56 45 117 112 28 47 21 46 30 61 160 140 118 55 50 106 110 23 99 22 46 34 59 160 144 115 64 52 105 77 41 142 23 43 46 59 133 120 146 55 44 69 83 51 73 24 44 34 54 86 117 167 55 43 72 97 41 59 25 42 29 56 87 121 126 65 47 93 76 42 57 26 42 29 56 83 119 118 47 62 80 73 36 59 27 38 29 57 107 119 113 61 69 86 71 40 62 28 31 30 59 109 126 108 56 69 69 83 39 69 29 43 34 57 105 --- 105 74 74 85 77 41 64 30 56 45 59 105 --- 76 74 70 81 77 54 66 31 44 --- 60 115 --- 62 --- 66 --- 101 40 --- TOTAL 1324 1213 1509 5390 2703 3647 2073 1801 2192 2495 1701 1639 MEAN 42.7 40.4 48.7 174 96.5 118 69.1 58.1 73.1 80.5 54.9 54.6 MAX 56 70 63 524 144 167 132 87 117 112 85 142 MIN 31 29 37 67 72 62 47 43 42 64 23 38 CFSM 2.01 1.91 2.30 8.20 4.55 5.55 3.26 2.74 3.45 3.80 2.59 2.58 IN. 2.32 2.13 2.65 9.46 4.74 6.40 3.64 3.16 3.85 4.38 2.98 2.88 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197348 PEN BRANCH AT ROAD A-13 (SRS) , SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 330934 LONGITUDE 0814108 NAD27 DRAINAGE AREA 21.2* CONTRIBUTING DRAINAGE AREA DATUM 100. NGVD29 Date Processed: 2004-08-20 15:18 By mishealy APPROVED DD #3, ,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 1 100 47 66 55 35 48 95 49 22 46 48 36 2 217 49 58 41 35 48 89 47 22 47 43 36 3 86 51 32 36 35 47 86 45 22 47 45 36 4 70 51 37 32 38 47 84 52 22 47 42 37 5 67 50 36 30 41 47 83 61 22 49 41 36 6 56 50 29 45 34 47 75 54 22 48 44 32 7 51 51 32 61 33 47 81 56 22 40 48 35 8 40 51 80 104 33 46 77 55 23 40 69 39 9 50 56 90 60 38 48 74 46 32 36 66 52 10 60 57 57 47 43 53 52 49 24 39 54 27 11 55 52 39 47 44 49 54 55 23 38 47 22 12 58 50 45 42 40 47 52 58 23 40 44 34 13 54 47 67 33 38 45 71 57 22 48 43 31 14 46 48 43 31 37 45 77 56 23 48 41 31 15 48 62 37 31 37 45 77 54 23 42 41 33 16 47 68 33 32 56 44 76 42 23 40 42 30 17 47 56 30 32 74 61 77 34 23 39 42 30 18 55 54 30 31 51 68 78 50 23 52 44 30 19 58 52 43 33 80 49 77 41 23 58 43 32 20 50 50 51 33 58 45 77 28 26 43 42 25 21 44 50 40 38 47 43 61 26 32 58 42 41 22 44 50 33 38 54 44 52 24 24 59 363 56 23 44 67 32 33 70 38 70 26 23 63 143 56 24 43 66 32 32 56 35 69 54 23 61 65 64 25 45 59 29 38 50 26 69 59 23 69 47 62 26 45 60 30 54 47 26 68 55 23 79 42 54 27 44 72 30 41 47 46 67 53 24 53 36 53 28 45 67 29 36 48 38 54 63 31 48 36 54 29 46 73 28 36 --- 47 57 65 32 47 35 52 30 46 70 28 36 --- 85 52 51 47 46 35 45 31 47 --- 38 34 --- 84 --- 23 --- 46 37 --- TOTAL 1808 1686 1284 1272 1299 1488 2131 1488 747 1516 1810 1201 MEAN 58.3 56.2 41.4 41.0 46.4 48.0 71.0 48.0 24.9 48.9 58.4 40.0 MAX 217 73 90 104 80 85 95 65 47 79 363 64 MIN 40 47 28 30 33 26 52 23 22 36 35 22 CFSM 2.75 2.65 1.95 1.94 2.19 2.26 3.35 2.26 1.17 2.31 2.75 1.89 IN. 3.17 2.96 2.25 2.23 2.28 2.61 3.74 2.61 1.31 2.66 3.18 2.11 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197348 PEN BRANCH AT ROAD A-13 (SRS) , SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 330934 LONGITUDE 0814108 NAD27 DRAINAGE AREA 21.2* CONTRIBUTING DRAINAGE AREA DATUM 100. NGVD29 Date Processed: 2004-08-20 15:18 By mishealy APPROVED DD #3, ,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 39 63 75 39 127 154 113 88 55 77 450 289 2 30 66 69 48 107 214 120 74 60 68 760 80 3 34 72 69 45 102 337 120 99 61 76 293 67 4 44 57 72 44 98 407 118 101 48 95 217 63 5 44 49 70 51 95 340 151 128 43 116 191 54 6 45 47 69 60 103 411 145 167 95 86 176 53 7 45 48 83 60 258 436 140 101 232 92 173 56 8 45 54 99 64 234 420 130 64 353 78 180 62 9 44 67 89 61 206 331 134 61 297 74 242 52 10 102 110 83 60 305 221 129 61 102 73 499 50 11 263 76 80 87 431 220 125 56 181 50 467 53 12 680 66 77 96 370 182 163 55 146 38 376 61 13 258 64 75 71 390 196 149 76 51 47 224 65 14 100 63 78 64 450 379 115 75 49 61 241 53 15 79 63 78 60 388 186 118 55 60 86 239 52 16 86 61 76 55 221 182 114 48 43 90 215 52 17 76 61 81 69 105 251 216 47 257 92 196 56 18 82 64 88 67 146 203 337 45 147 150 166 54 19 74 68 90 110 150 356 390 47 164 243 142 52 20 69 64 91 150 181 423 355 48 151 123 130 52 21 66 65 91 104 151 431 435 49 78 100 124 51 22 101 65 80 93 125 452 436 45 69 100 164 48 23 562 65 77 89 124 240 429 44 68 121 181 48 24 164 65 70 131 109 76 402 44 67 164 430 126 25 104 65 63 149 161 71 85 39 71 204 532 188 26 84 63 54 106 99 144 69 43 78 178 538 183 27 77 66 41 98 90 418 96 40 155 184 443 152 28 70 78 38 100 110 433 207 41 266 252 426 133 29 67 80 37 99 --- 285 255 34 205 336 408 128 30 66 76 37 292 --- 236 116 33 94 311 419 246 31 64 --- 38 216 --- 133 --- 32 --- 332 422 --- TOTAL 3664 1971 2218 2838 5436 8768 5912 1940 3746 4097 9664 2679 MEAN 118 65.7 71.5 91.5 194 283 197 62.6 125 132 312 89.3 MAX 680 110 99 292 450 452 436 167 353 336 760 289 MIN 30 47 37 39 90 71 69 32 43 38 124 48 CFSM 5.58 3.10 3.37 4.32 9.16 13.3 9.30 2.95 5.89 6.23 14.7 4.21 IN. 6.43 3.46 3.89 4.98 9.54 15.39 10.37 3.40 6.57 7.19 16.96 4.70 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1977 - 1991, BY WATER YEAR (WY) MEAN 267 227 275 276 261 312 297 279 248 261 276 246 MAX 412 412 432 440 442 468 425 451 419 422 421 414 (WY) 1982 1982 1982 1980 1978 1980 1982 1978 1982 1982 1982 1982 MIN 42.7 40.4 41.4 41.0 46.4 48.0 69.1 47.9 24.9 48.9 33.8 40.0 (WY) 1989 1989 1990 1990 1990 1990 1989 1988 1990 1990 1988 1990 SUMMARY STATISTICS FOR 1990 CALENDAR YEAR FOR 1991 WATER YEAR WATER YEARS 1977 - 1991 ANNUAL TOTAL 52933 ANNUAL MEAN 145 255 HIGHEST ANNUAL MEAN 383 1984 LOWEST ANNUAL MEAN 48.6 1990 HIGHEST DAILY MEAN 760 Aug 2 760 Aug 2 1991 LOWEST DAILY MEAN 30 Oct 2 20 Jun 24 1988 ANNUAL SEVEN-DAY MINIMUM 37 May 25 22 Jun 1 1990 MAXIMUM PEAK FLOW 0.00 Aug 2 0.00 Aug 2 1991 MAXIMUM PEAK STAGE 6.08 Aug 2 6.08 Aug 2 1991 ANNUAL RUNOFF (CFSM) 6.84 12.0 ANNUAL RUNOFF (INCHES) 92.88 163.30 10 PERCENT EXCEEDS 355 430 50 PERCENT EXCEEDS 93 374 90 PERCENT EXCEEDS 48 48 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197348 PEN BRANCH AT ROAD A-13 (SRS) , SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 330934 LONGITUDE 0814108 NAD27 DRAINAGE AREA 21.2* CONTRIBUTING DRAINAGE AREA DATUM 100. NGVD29 Date Processed: 2004-08-20 15:18 By mishealy APPROVED DD #3, ,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 1 210 419 216 67 76 176 172 112 384 427 95 13 2 79 411 427 66 86 180 169 112 383 533 90 13 3 105 417 446 72 186 179 168 110 405 510 87 13 4 103 423 453 71 185 177 166 107 426 491 256 13 5 107 422 441 68 182 178 118 106 394 468 296 15 6 105 411 440 65 179 199 151 110 386 466 303 16 7 113 410 437 65 182 207 162 112 394 465 246 20 8 115 409 439 66 195 186 165 91 396 455 196 15 9 114 429 440 66 191 178 165 356 500 450 97 14 10 112 443 439 67 186 179 162 388 434 442 57 13 11 78 424 427 67 197 176 273 386 428 438 57 14 12 78 421 438 68 179 173 485 385 483 434 57 15 13 133 418 433 109 178 172 452 383 443 439 68 14 14 77 419 437 122 177 170 437 378 470 435 76 13 15 108 420 440 83 180 170 167 376 448 437 66 13 16 78 417 444 75 188 166 141 375 428 440 133 13 17 68 421 458 73 195 161 140 375 430 440 135 12 18 66 424 469 72 206 162 146 374 431 442 138 12 19 66 423 473 105 187 178 138 383 430 444 87 12 20 66 428 478 89 184 157 147 388 428 445 98 12 21 65 433 466 81 181 167 156 389 432 447 37 12 22 65 433 459 82 180 172 168 397 430 469 36 11 23 63 434 461 111 266 174 143 398 425 480 25 13 24 63 431 475 95 223 171 137 400 416 455 21 16 25 64 432 240 83 198 175 118 401 417 446 17 14 26 70 431 80 80 201 198 116 120 417 447 21 14 27 354 438 66 79 187 182 115 69 414 443 17 13 28 419 440 90 78 183 175 115 372 409 443 16 12 29 416 438 115 77 178 172 114 403 405 444 15 12 30 417 437 75 76 --- 173 112 394 410 428 14 11 31 414 --- 69 76 --- 176 --- 390 --- 385 14 --- TOTAL 4391 12756 11271 2454 5316 5459 5418 9140 12696 13988 2871 403 MEAN 142 425 364 79.2 183 176 181 295 423 451 92.6 13.4 MAX 419 443 478 122 266 207 485 403 500 533 303 20 MIN 63 409 66 65 76 157 112 69 383 385 14 11 CFSM 6.68 20.1 17.2 3.73 8.65 8.31 8.52 13.9 20.0 21.3 4.37 0.63 IN. 7.70 22.38 19.78 4.31 9.33 9.58 9.51 16.04 22.28 24.54 5.04 0.71 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1977 - 1992, BY WATER YEAR (WY) MEAN 257 243 282 262 255 303 289 280 261 276 262 230 MAX 412 425 432 440 442 468 425 451 423 451 421 414 (WY) 1982 1992 1982 1980 1978 1980 1982 1978 1992 1992 1982 1982 MIN 42.7 40.4 41.4 41.0 46.4 48.0 69.1 47.9 24.9 48.9 33.8 13.4 (WY) 1989 1989 1990 1990 1990 1990 1989 1988 1990 1990 1988 1992 SUMMARY STATISTICS FOR 1991 CALENDAR YEAR FOR 1992 WATER YEAR WATER YEARS 1977 - 1992 ANNUAL TOTAL 86163 ANNUAL MEAN 235 253 HIGHEST ANNUAL MEAN 383 1984 LOWEST ANNUAL MEAN 48.6 1990 HIGHEST DAILY MEAN 533 Jul 2 760 Aug 2 1991 LOWEST DAILY MEAN 11 Sep 22 11 Sep 22 1992 ANNUAL SEVEN-DAY MINIMUM 12 Sep 16 12 Sep 16 1992 MAXIMUM PEAK FLOW 635 Jul 2 0.00 Aug 2 1991 MAXIMUM PEAK STAGE 4.02 Jul 2 6.08 Aug 2 1991 ANNUAL RUNOFF (CFSM) 11.1 11.9 ANNUAL RUNOFF (INCHES) 151.19 162.17 10 PERCENT EXCEEDS 443 432 50 PERCENT EXCEEDS 179 371 90 PERCENT EXCEEDS 21 48 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197348 PEN BRANCH AT ROAD A-13 (SRS) , SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 330934 LONGITUDE 0814108 NAD27 DRAINAGE AREA 21.2* CONTRIBUTING DRAINAGE AREA DATUM 100. NGVD29 Date Processed: 2004-08-20 15:18 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 11 10 17 27 45 83 138 54 23 31 30 27 2 10 10 16 23 40 83 103 52 70 30 30 27 3 18 11 15 22 42 100 95 54 37 28 29 27 4 23 12 15 22 45 179 89 60 27 28 29 27 5 20 12 20 28 50 105 128 79 33 28 29 38 6 12 12 30 50 60 92 111 62 23 28 29 170 7 9.0 11 30 60 133 87 93 54 22 39 37 50 8 40 10 39 349 89 84 89 52 22 39 41 41 9 159 9.8 37 123 54 83 88 50 22 31 35 37 10 54 10 30 60 50 82 95 50 21 30 45 35 11 30 10 29 52 60 80 86 49 46 28 33 34 12 16 24 30 109 90 81 83 48 28 28 33 33 13 11 30 45 94 62 148 81 50 75 28 32 31 14 9.8 28 73 58 54 118 79 50 45 28 32 31 15 8.8 25 50 45 78 85 77 50 38 28 35 30 16 8.6 19 35 40 99 112 76 48 35 27 33 29 17 8.8 18 33 44 103 120 75 48 33 27 32 44 18 8.9 17 31 41 89 94 73 46 33 26 32 69 19 9.0 16 30 44 86 86 71 40 32 35 30 39 20 8.9 17 30 45 98 83 70 30 31 34 29 36 21 8.6 25 29 50 99 81 69 28 31 34 29 42 22 8.7 107 29 60 111 81 68 27 30 33 33 51 23 8.8 64 31 64 95 107 66 25 29 33 30 38 24 9.0 30 29 75 77 139 66 24 28 37 28 35 25 9.2 25 28 104 84 97 64 24 29 45 28 35 26 8.9 45 27 83 102 149 62 24 33 33 28 34 27 8.8 40 26 58 95 196 61 24 37 31 28 33 28 8.9 22 28 50 85 113 58 24 32 31 28 32 29 9.0 17 32 60 --- 96 56 23 33 31 28 32 30 9.8 16 35 74 --- 86 56 23 35 31 28 31 31 11 --- 32 52 --- 153 --- 24 --- 30 27 --- TOTAL 576.5 702.8 961 2066 2175 3283 2426 1296 1013 970 970 1218 MEAN 18.6 23.4 31.0 66.6 77.7 106 80.9 41.8 33.8 31.3 31.3 40.6 MAX 159 107 73 349 133 196 138 79 75 45 45 170 MIN 8.6 9.8 15 22 40 80 56 23 21 26 27 27 CFSM 0.88 1.11 1.46 3.14 3.66 5.00 3.81 1.97 1.59 1.48 1.48 1.92 IN. 1.01 1.23 1.69 3.63 3.82 5.76 4.26 2.27 1.78 1.70 1.70 2.14 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1977 - 1993, BY WATER YEAR (WY) MEAN 240 227 265 249 244 291 276 263 245 259 245 217 MAX 412 425 432 440 442 468 425 451 423 451 421 414 (WY) 1982 1992 1982 1980 1978 1980 1982 1978 1992 1992 1982 1982 MIN 18.6 23.4 31.0 41.0 46.4 48.0 69.1 41.8 24.9 31.3 31.3 13.4 (WY) 1993 1993 1993 1990 1990 1990 1989 1993 1990 1993 1993 1992 SUMMARY STATISTICS FOR 1992 CALENDAR YEAR FOR 1993 WATER YEAR WATER YEARS 1977 - 1993 ANNUAL TOTAL 17657.3 ANNUAL MEAN 48.4 236 HIGHEST ANNUAL MEAN 383 1984 LOWEST ANNUAL MEAN 48.4 1993 HIGHEST DAILY MEAN 349 Jan 8 760 Aug 2 1991 LOWEST DAILY MEAN 8.6 Oct 16 8.6 Oct 16 1992 ANNUAL SEVEN-DAY MINIMUM 8.8 Oct 16 8.8 Oct 16 1992 MAXIMUM PEAK FLOW 428 Jan 8 0.00 Aug 2 1991 MAXIMUM PEAK STAGE 3.43 Jan 8 6.08 Aug 2 1991 ANNUAL RUNOFF (CFSM) 2.28 11.1 ANNUAL RUNOFF (INCHES) 30.98 151.25 10 PERCENT EXCEEDS 95 430 50 PERCENT EXCEEDS 34 350 90 PERCENT EXCEEDS 16 42 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197348 PEN BRANCH AT ROAD A-13 (SRS) , SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 330934 LONGITUDE 0814108 NAD27 DRAINAGE AREA 21.2* CONTRIBUTING DRAINAGE AREA DATUM 100. NGVD29 Date Processed: 2004-08-20 15:18 By mishealy APPROVED 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 31 53 56 47 53 57 58 53 43 46 45 39 2 31 51 51 55 51 179 56 53 43 46 43 86 3 31 50 48 57 49 90 55 53 44 47 41 104 4 32 49 47 76 48 67 54 53 42 53 40 50 5 39 53 49 57 63 60 54 54 43 52 39 42 6 40 54 48 52 72 55 54 54 46 46 39 40 7 40 49 47 51 57 53 56 53 52 43 38 40 8 41 48 45 50 57 53 54 53 48 43 38 40 9 42 48 45 49 59 52 53 53 46 43 38 41 10 42 48 45 47 66 71 54 53 46 43 38 41 11 42 47 48 47 66 66 53 54 48 42 37 42 12 42 46 46 65 62 55 52 52 47 41 37 39 13 43 46 45 60 56 53 57 52 46 48 43 38 14 43 46 50 53 55 61 56 52 45 45 49 37 15 43 47 53 49 53 56 53 53 45 42 42 37 16 45 47 50 48 51 54 53 63 45 41 49 38 17 47 45 49 52 50 51 53 52 42 41 70 42 18 46 45 47 65 50 50 51 48 42 41 52 43 19 45 45 47 53 50 50 51 47 43 42 53 45 20 45 45 47 50 49 50 51 47 40 42 47 42 21 45 45 52 49 49 50 51 47 40 47 56 40 22 45 45 47 49 49 51 53 47 50 50 74 39 23 45 45 53 48 53 50 59 45 57 79 49 39 24 45 45 53 47 116 53 54 45 43 59 44 42 25 45 45 49 46 70 230 53 43 43 48 41 43 26 47 45 47 46 59 90 52 43 43 45 40 42 27 47 77 46 47 55 67 52 43 102 51 39 41 28 46 67 45 57 52 63 52 43 82 75 38 40 29 46 56 45 57 --- 88 52 43 52 56 38 39 30 94 51 45 65 --- 68 52 43 52 49 38 38 31 62 --- 46 61 --- 61 --- 43 --- 47 38 --- TOTAL 1377 1483 1491 1655 1620 2154 1608 1537 1460 1493 1373 1329 MEAN 44.4 49.4 48.1 53.4 57.9 69.5 53.6 49.6 48.7 48.2 44.3 44.3 MAX 94 77 56 76 116 230 59 63 102 79 74 104 MIN 31 45 45 46 48 50 51 43 40 41 37 37 CFSM 2.10 2.33 2.27 2.52 2.73 3.28 2.53 2.34 2.30 2.27 2.09 2.09 IN. 2.42 2.60 2.62 2.90 2.84 3.78 2.82 2.70 2.56 2.62 2.41 2.33 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1977 - 1994, BY WATER YEAR (WY) MEAN 227 215 251 237 232 278 263 249 232 244 232 206 MAX 412 425 432 440 442 468 425 451 423 451 421 414 (WY) 1982 1992 1982 1980 1978 1980 1982 1978 1992 1992 1982 1982 MIN 18.6 23.4 31.0 41.0 46.4 48.0 53.6 41.8 24.9 31.3 31.3 13.4 (WY) 1993 1993 1993 1990 1990 1990 1994 1993 1990 1993 1993 1992 SUMMARY STATISTICS FOR 1993 CALENDAR YEAR FOR 1994 WATER YEAR WATER YEARS 1977 - 1994 ANNUAL TOTAL 18580 ANNUAL MEAN 50.9 222 HIGHEST ANNUAL MEAN 383 1984 LOWEST ANNUAL MEAN 48.4 1993 HIGHEST DAILY MEAN 230 Mar 25 760 Aug 2 1991 LOWEST DAILY MEAN 31 Oct 1 8.6 Oct 16 1992 ANNUAL SEVEN-DAY MINIMUM 35 Oct 1 8.8 Oct 16 1992 MAXIMUM PEAK FLOW 339 Mar 25 0.00 Aug 2 1991 MAXIMUM PEAK STAGE 3.05 Mar 25 6.08 Aug 2 1991 ANNUAL RUNOFF (CFSM) 2.40 10.5 ANNUAL RUNOFF (INCHES) 32.60 142.13 10 PERCENT EXCEEDS 61 429 50 PERCENT EXCEEDS 48 244 90 PERCENT EXCEEDS 40 41 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197348 PEN BRANCH AT ROAD A-13 (SRS) , SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 330934 LONGITUDE 0814108 NAD27 DRAINAGE AREA 21.2* CONTRIBUTING DRAINAGE AREA DATUM 100. NGVD29 Date Processed: 2004-08-20 15:18 By mishealy APPROVED 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 39 66 64 59 61 140 42 36 41 34 32 34 2 46 59 60 58 60 96 42 36 40 34 33 35 3 126 53 58 56 57 68 41 36 39 32 55 34 4 89 51 60 56 63 61 40 36 66 31 44 32 5 55 50 89 55 59 59 41 36 116 30 35 32 6 48 50 71 57 55 58 44 36 215 30 32 32 7 48 51 64 398 54 58 46 36 80 36 34 32 8 48 51 61 116 53 68 43 36 60 34 48 32 9 48 51 59 82 48 66 41 36 46 31 38 32 10 53 52 59 73 51 55 40 36 44 30 32 31 11 55 59 81 69 89 52 43 37 40 31 31 30 12 100 57 70 67 84 51 42 37 40 36 30 30 13 329 54 65 65 62 50 40 37 41 30 30 30 14 141 51 64 101 56 50 39 38 37 30 29 32 15 81 51 62 193 56 51 38 40 34 30 29 45 16 64 51 60 113 79 51 38 38 33 31 32 90 17 58 52 60 81 90 52 37 38 32 41 30 38 18 54 52 60 73 268 50 37 38 32 35 29 33 19 51 52 58 71 162 50 38 47 31 34 30 31 20 51 51 57 74 90 49 38 51 32 32 29 32 21 51 57 56 67 75 48 37 41 33 31 29 32 22 65 59 251 64 67 47 38 40 32 30 29 32 23 109 51 213 81 63 46 39 39 31 30 30 31 24 66 51 136 86 60 46 39 39 31 31 31 97 25 57 52 86 69 57 45 38 38 50 31 42 83 26 54 55 74 64 55 45 36 38 37 34 300 54 27 52 79 69 61 55 44 36 37 33 61 102 48 28 52 71 63 71 56 44 36 35 32 38 57 39 29 53 77 61 91 --- 44 36 35 33 44 46 36 30 53 77 60 70 --- 42 35 37 33 37 40 35 31 53 --- 59 64 --- 43 --- 35 --- 34 36 --- TOTAL 2249 1693 2410 2705 2085 1729 1180 1175 1444 1053 1424 1204 MEAN 72.5 56.4 77.7 87.3 74.5 55.8 39.3 37.9 48.1 34.0 45.9 40.1 MAX 329 79 251 398 268 140 46 51 215 61 300 97 MIN 39 50 56 55 48 42 35 35 31 30 29 30 CFSM 3.42 2.66 3.67 4.12 3.51 2.63 1.86 1.79 2.27 1.60 2.17 1.89 IN. 3.95 2.97 4.23 4.75 3.66 3.03 2.07 2.06 2.53 1.85 2.50 2.11 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1977 - 1995, BY WATER YEAR (WY) MEAN 217 205 241 228 223 265 251 236 220 231 220 196 MAX 412 425 432 440 442 468 425 451 423 451 421 414 (WY) 1982 1992 1982 1980 1978 1980 1982 1978 1992 1992 1982 1982 MIN 18.6 23.4 31.0 41.0 46.4 48.0 39.3 37.9 24.9 31.3 31.3 13.4 (WY) 1993 1993 1993 1990 1990 1990 1995 1995 1990 1993 1993 1992 SUMMARY STATISTICS FOR 1994 CALENDAR YEAR FOR 1995 WATER YEAR WATER YEARS 1977 - 1995 ANNUAL TOTAL 20351 ANNUAL MEAN 55.8 210 HIGHEST ANNUAL MEAN 383 1984 LOWEST ANNUAL MEAN 48.4 1993 HIGHEST DAILY MEAN 398 Jan 7 760 Aug 2 1991 LOWEST DAILY MEAN 29 Aug 14 8.6 Oct 16 1992 ANNUAL SEVEN-DAY MINIMUM 29 Aug 17 8.8 Oct 16 1992 MAXIMUM PEAK FLOW 646 Jan 7 0.00 Aug 2 1991 MAXIMUM PEAK STAGE 4.08 Jan 7 6.08 Aug 2 1991 ANNUAL RUNOFF (CFSM) 2.63 9.90 ANNUAL RUNOFF (INCHES) 35.71 134.54 10 PERCENT EXCEEDS 81 427 50 PERCENT EXCEEDS 48 194 90 PERCENT EXCEEDS 31 39 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197348 PEN BRANCH AT ROAD A-13 (SRS) , SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 330934 LONGITUDE 0814108 NAD27 DRAINAGE AREA 21.2* CONTRIBUTING DRAINAGE AREA DATUM 100. NGVD29 Date Processed: 2004-08-20 15:18 By mishealy APPROVED DD #3, ,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 34 37 39 85 48 46 64 41 40 51 150 26 2 34 36 38 60 48 42 48 34 40 50 184 27 3 34 37 38 50 67 38 39 32 40 50 107 27 4 33 37 38 46 51 37 37 32 40 50 109 51 5 34 35 38 43 46 37 36 31 41 142 74 134 6 33 35 39 43 44 54 38 31 41 137 79 48 7 33 59 101 50 43 109 41 31 41 64 76 34 8 32 77 61 49 42 78 37 33 48 52 59 30 9 33 44 58 44 43 48 35 32 56 48 57 28 10 36 39 55 43 40 41 34 32 47 42 79 37 11 35 44 46 43 40 38 33 30 46 38 70 79 12 35 51 44 46 39 35 33 30 46 39 140 40 13 35 43 42 44 39 34 33 31 57 39 41 30 14 41 40 42 42 42 32 33 31 90 39 95 28 15 53 38 42 41 39 34 33 31 98 46 36 26 16 39 39 41 40 39 56 32 32 55 53 21 27 17 35 39 41 41 39 96 31 32 51 49 14 29 18 35 38 41 44 39 93 31 32 50 57 14 26 19 34 38 129 47 38 56 31 32 53 45 24 25 20 34 38 74 43 45 45 33 33 53 42 13 24 21 34 37 53 41 44 39 34 33 49 47 12 25 22 34 37 48 40 40 37 32 33 50 47 11 31 23 34 37 46 40 38 35 31 34 51 45 11 25 24 34 38 44 44 38 34 30 35 50 45 10 23 25 35 39 44 45 37 33 30 55 51 49 75 23 26 34 39 44 42 36 34 30 42 51 55 41 22 27 35 39 43 87 36 39 31 51 51 47 33 22 28 69 39 43 62 65 116 29 61 49 48 33 23 29 44 40 42 48 70 71 30 51 49 48 30 28 30 38 39 42 49 --- 51 54 52 50 45 28 34 31 36 --- 45 50 --- 48 --- 43 --- 52 27 --- TOTAL 1139 1228 1541 1492 1275 1586 1063 1133 1534 1661 1753 1032 MEAN 36.7 40.9 49.7 48.1 44.0 51.2 35.4 36.5 51.1 53.6 56.5 34.4 MAX 69 77 129 87 70 116 64 61 98 142 184 134 MIN 32 35 38 40 36 32 29 30 40 38 10 22 CFSM 1.73 1.93 2.34 2.27 2.07 2.41 1.67 1.72 2.41 2.53 2.67 1.62 IN. 2.00 2.15 2.70 2.62 2.24 2.78 1.87 1.99 2.69 2.91 3.08 1.81 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1977 - 1996, BY WATER YEAR (WY) MEAN 207 195 231 218 213 254 240 224 211 221 211 187 MAX 412 425 432 440 442 468 425 451 423 451 421 414 (WY) 1982 1992 1982 1980 1978 1980 1982 1978 1992 1992 1982 1982 MIN 18.6 23.4 31.0 41.0 44.0 48.0 35.4 36.5 24.9 31.3 31.3 13.4 (WY) 1993 1993 1993 1990 1996 1990 1996 1996 1990 1993 1993 1992 SUMMARY STATISTICS FOR 1995 CALENDAR YEAR FOR 1996 WATER YEAR WATER YEARS 1977 - 1996 ANNUAL TOTAL 16437 ANNUAL MEAN 44.9 199 HIGHEST ANNUAL MEAN 383 1984 LOWEST ANNUAL MEAN 44.9 1996 HIGHEST DAILY MEAN 184 Aug 2 760 Aug 2 1991 LOWEST DAILY MEAN 10 Aug 24 8.6 Oct 16 1992 ANNUAL SEVEN-DAY MINIMUM 14 Aug 18 8.8 Oct 16 1992 MAXIMUM PEAK FLOW 425 Aug 1 425 Aug 1 1996 MAXIMUM PEAK STAGE 3.42 Aug 1 6.08 Aug 2 1991 ANNUAL RUNOFF (CFSM) 2.12 9.38 ANNUAL RUNOFF (INCHES) 28.84 127.47 10 PERCENT EXCEEDS 63 426 50 PERCENT EXCEEDS 40 167 90 PERCENT EXCEEDS 30 37 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197348 PEN BRANCH AT ROAD A-13 (SRS) , SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 330934 LONGITUDE 0814108 NAD27 DRAINAGE AREA 21.2* CONTRIBUTING DRAINAGE AREA DATUM 100. NGVD29 Date Processed: 2004-08-20 15:18 By mishealy APPROVED DD #3, ,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 32 39 57 33 21 36 9.1 12 24 23 21 4.9 2 38 42 67 35 18 31 8.3 8.6 22 29 14 4.6 3 34 43 45 34 17 29 7.8 11 17 20 11 4.3 4 29 40 39 33 16 26 8.3 19 13 16 9.5 4.7 5 24 39 38 39 15 24 6.9 9.8 13 13 8.9 4.3 6 23 38 38 41 15 22 7.3 7.4 61 19 20 4.3 7 30 39 37 40 14 21 8.5 5.9 50 19 12 4.1 8 135 72 37 43 19 20 6.1 8.3 29 36 8.8 4.0 9 83 70 36 91 19 20 5.5 9.3 20 111 8.0 3.6 10 57 48 35 63 16 20 4.9 7.0 16 299 9.2 3.6 11 48 46 35 44 15 19 4.7 5.8 16 65 9.0 4.4 12 45 42 35 38 14 18 6.9 8.8 22 35 7.3 4.0 13 45 41 37 37 25 18 6.8 16 21 25 6.4 3.6 14 44 44 35 35 97 60 4.7 11 26 20 5.7 3.5 15 43 41 34 33 171 51 4.5 14 40 17 5.3 3.4 16 43 40 34 78 56 25 4.4 8.9 28 26 5.3 3.1 17 45 40 34 51 37 20 5.5 7.7 26 61 13 3.3 18 44 40 37 39 30 18 4.4 7.8 60 29 18 3.4 19 42 42 73 36 27 22 4.4 7.7 50 20 9.3 3.4 20 41 43 45 34 24 39 4.4 7.8 35 16 9.5 3.1 21 41 39 38 32 24 26 4.4 7.5 24 13 12 3.0 22 40 41 36 32 154 22 6.1 6.8 21 12 8.0 2.5 23 40 38 35 31 63 17 19 6.8 20 11 5.7 2.5 24 40 37 34 31 43 15 11 7.9 28 20 4.9 4.0 25 39 38 34 39 39 14 4.8 12 23 25 4.8 34 26 38 37 33 36 36 14 4.5 15 17 21 4.7 79 27 38 36 34 31 34 13 15 14 16 24 4.7 36 28 39 36 34 18 32 13 117 17 47 16 4.5 25 29 40 36 34 16 --- 23 62 19 45 12 4.5 18 30 40 36 34 44 --- 16 25 14 28 11 7.4 11 31 39 --- 35 29 --- 11 --- 14 --- 21 9.8 --- TOTAL 1359 1263 1209 1216 1091 723 392.2 327.8 858 1085 282.2 292.6 MEAN 43.8 42.1 39.0 39.2 39.0 23.3 13.1 10.6 28.6 35.0 9.10 9.75 MAX 135 72 73 91 171 60 117 19 61 299 21 79 MIN 23 36 33 16 14 11 4.4 5.8 13 11 4.5 2.5 CFSM 2.07 1.99 1.84 1.85 1.84 1.10 0.62 0.50 1.35 1.65 0.43 0.46 IN. 2.38 2.22 2.12 2.13 1.91 1.27 0.69 0.58 1.51 1.90 0.50 0.51 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1977 - 1997, BY WATER YEAR (WY) MEAN 198 187 221 208 204 242 228 212 200 211 200 178 MAX 412 425 432 440 442 468 425 451 423 451 421 414 (WY) 1982 1992 1982 1980 1978 1980 1982 1978 1992 1992 1982 1982 MIN 18.6 23.4 31.0 39.2 39.0 23.3 13.1 10.6 24.9 31.3 9.10 9.75 (WY) 1993 1993 1993 1997 1997 1997 1997 1997 1990 1993 1997 1997 SUMMARY STATISTICS FOR 1996 CALENDAR YEAR FOR 1997 WATER YEAR WATER YEARS 1977 - 1997 ANNUAL TOTAL 10098.8 ANNUAL MEAN 27.7 188 HIGHEST ANNUAL MEAN 383 1984 LOWEST ANNUAL MEAN 27.7 1997 HIGHEST DAILY MEAN 299 Jul 10 760 Aug 2 1991 LOWEST DAILY MEAN 2.5 Sep 22 2.5 Sep 22 1997 ANNUAL SEVEN-DAY MINIMUM 3.0 Sep 17 3.0 Sep 17 1997 MAXIMUM PEAK FLOW 530 Jul 10 0.00 Aug 2 1991 MAXIMUM PEAK STAGE 3.77 Jul 10 6.08 Aug 2 1991 ANNUAL RUNOFF (CFSM) 1.31 8.88 ANNUAL RUNOFF (INCHES) 17.72 120.62 10 PERCENT EXCEEDS 45 425 50 PERCENT EXCEEDS 23 143 90 PERCENT EXCEEDS 4.8 33 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197348 PEN BRANCH AT ROAD A-13 (SRS) , SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 330934 LONGITUDE 0814108 NAD27 DRAINAGE AREA 21.2* CONTRIBUTING DRAINAGE AREA DATUM 100. NGVD29 Date Processed: 2004-08-20 15:18 By mishealy APPROVED DD #3, ,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 8.7 49 33 33 e37 e67 e33 101 16 11 15 19 2 7.5 45 24 32 e33 e56 e33 38 16 11 12 13 3 7.2 31 22 32 e38 e46 e37 41 15 11 11 100 4 7.2 29 22 31 e89 e32 e60 92 14 11 11 89 5 7.4 23 21 31 e118 e24 e96 38 17 11 11 21 6 7.7 22 20 33 e114 e29 e54 29 18 11 11 16 7 7.7 21 19 36 e110 e56 e47 40 16 11 11 14 8 7.6 21 19 47 e106 e90 e39 100 14 12 14 14 9 7.8 20 84 41 e101 e110 e58 44 14 14 15 15 10 8.1 20 100 33 e68 e130 e46 34 24 15 14 14 11 7.8 20 55 30 e41 e120 39 44 31 12 13 13 12 7.9 20 80 30 e34 e108 36 31 18 12 12 12 13 7.7 77 47 31 e27 e91 34 26 16 11 22 12 14 7.7 44 56 31 e26 e68 58 24 15 11 15 12 15 8.6 28 52 80 e25 e60 71 23 14 13 13 12 16 24 24 34 128 e22 e55 42 22 14 42 12 12 17 14 22 30 57 e25 e50 35 21 14 75 12 12 18 14 21 27 39 e62 e42 209 20 14 21 12 13 19 31 21 26 95 e50 e39 75 19 13 15 11 15 20 19 21 25 64 e44 e65 47 18 14 13 11 14 21 13 23 25 e56 e37 e61 37 18 14 13 11 15 22 15 31 112 e35 e30 e47 69 18 13 12 11 15 23 17 27 86 e35 e25 e46 47 18 13 13 11 13 24 14 23 232 e99 e60 e43 39 17 12 16 11 13 25 14 21 204 e86 e46 e38 32 17 12 13 11 12 26 65 20 73 e66 e31 e36 29 16 12 12 12 12 27 86 20 120 e52 e25 e35 27 16 12 12 11 12 28 35 20 79 e74 e60 e35 26 15 11 13 11 12 29 28 21 54 e60 --- e34 25 15 12 12 11 13 30 25 55 45 e51 --- e34 36 16 12 12 11 16 31 24 --- 39 e40 --- e33 --- 16 --- 12 11 --- TOTAL 554.6 840 1865 1588 1484 1780 1516 987 450 483 380 575 MEAN 17.9 28.0 60.2 51.2 53.0 57.4 50.5 31.8 15.0 15.6 12.3 19.2 MAX 86 77 232 128 118 130 209 101 31 75 22 100 MIN 7.2 20 19 30 22 24 25 15 11 11 11 12 CFSM 0.84 1.32 2.84 2.42 2.50 2.71 2.38 1.50 0.71 0.73 0.58 0.90 IN. 0.97 1.47 3.27 2.79 2.60 3.12 2.66 1.73 0.79 0.85 0.67 1.01 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1977 - 1998, BY WATER YEAR (WY) MEAN 188 179 213 201 196 234 220 203 191 200 190 170 MAX 412 425 432 440 442 468 425 451 423 451 421 414 (WY) 1982 1992 1982 1980 1978 1980 1982 1978 1992 1992 1982 1982 MIN 17.9 23.4 31.0 39.2 39.0 23.3 13.1 10.6 15.0 15.6 9.10 9.75 (WY) 1998 1993 1993 1997 1997 1997 1997 1997 1998 1998 1997 1997 SUMMARY STATISTICS FOR 1997 CALENDAR YEAR FOR 1998 WATER YEAR WATER YEARS 1977 - 1998 ANNUAL TOTAL 12502.6 ANNUAL MEAN 34.3 179 HIGHEST ANNUAL MEAN 383 1984 LOWEST ANNUAL MEAN 27.7 1997 HIGHEST DAILY MEAN 232 Dec 24 760 Aug 2 1991 LOWEST DAILY MEAN 7.2 Oct 3 2.5 Sep 22 1997 ANNUAL SEVEN-DAY MINIMUM 7.5 Oct 2 3.0 Sep 17 1997 MAXIMUM PEAK FLOW 445 Dec 24 0.00 Aug 2 1991 MAXIMUM PEAK STAGE 4.58 Dec 24 6.08 Aug 2 1991 ANNUAL RUNOFF (CFSM) 1.62 8.45 ANNUAL RUNOFF (INCHES) 21.94 114.82 10 PERCENT EXCEEDS 75 423 50 PERCENT EXCEEDS 24 124 90 PERCENT EXCEEDS 11 30 e Estimated 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197348 PEN BRANCH AT ROAD A-13 (SRS) , SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 330934 LONGITUDE 0814108 NAD27 DRAINAGE AREA 21.2* CONTRIBUTING DRAINAGE AREA DATUM 100. NGVD29 Date Processed: 2004-08-20 15:18 By mishealy APPROVED DD #3, ,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 15 12 15 15 59 16 18 25 9.1 19 9.5 7.3 2 13 12 15 15 58 16 18 16 8.9 16 9.3 7.3 3 13 12 15 32 27 17 16 13 9.3 13 9.3 7.2 4 38 12 15 19 23 16 15 11 13 12 9.0 7.1 5 26 12 15 16 22 16 14 13 9.5 11 8.8 6.9 6 16 12 15 15 21 16 14 16 9.0 11 8.8 6.8 7 18 12 15 15 20 16 14 17 8.8 18 8.8 6.8 8 21 12 15 16 20 15 14 13 8.6 14 8.8 6.9 9 16 12 15 16 19 18 13 11 8.5 12 8.6 7.2 10 14 12 15 16 20 18 13 11 8.4 11 8.6 8.6 11 13 12 14 15 20 17 13 10 9.6 17 8.5 7.2 12 12 13 14 16 19 16 12 10 9.8 70 8.4 6.8 13 12 12 15 15 17 16 11 11 8.8 111 8.4 6.6 14 12 13 15 15 17 33 12 14 8.7 36 9.2 6.5 15 13 14 15 33 17 24 13 11 9.5 24 9.2 7.4 16 12 16 17 20 17 19 13 10 27 21 10 9.0 17 12 18 15 17 17 17 12 9.9 e20 20 10 6.9 18 12 16 15 33 19 17 11 9.7 e10 17 8.9 6.7 19 12 15 15 24 18 16 11 9.8 e11 15 8.6 6.9 20 12 15 15 18 17 16 12 9.1 e9.9 14 60 8.0 21 12 15 15 18 17 17 11 8.8 e10 13 17 14 22 12 15 15 18 17 17 11 8.9 e10 12 11 8.9 23 12 15 15 47 17 16 10 9.3 e9.8 13 8.8 7.5 24 12 15 15 106 17 16 10 8.9 e10 12 9.0 7.1 25 12 15 21 36 17 19 10 8.5 e9.9 11 11 7.4 26 12 15 25 25 17 37 11 9.4 e11 10 9.0 7.6 27 12 15 19 22 17 24 11 9.9 e12 10 8.1 12 28 12 15 17 21 17 19 11 9.3 e15 10 8.2 23 29 12 15 16 20 --- 17 12 9.3 23 9.9 8.6 20 30 12 14 15 20 --- 16 19 9.2 62 10 8.0 13 31 12 --- 15 21 --- 16 --- 9.1 --- 9.7 7.4 --- TOTAL 444 413 488 735 603 569 385 351.1 390.1 602.6 336.8 264.6 MEAN 14.3 13.8 15.7 23.7 21.5 18.4 12.8 11.3 13.0 19.4 10.9 8.82 MAX 38 18 25 106 59 37 19 25 62 111 60 23 MIN 12 12 14 15 17 15 10 8.5 8.4 9.7 7.4 6.5 CFSM 0.68 0.65 0.74 1.12 1.02 0.87 0.61 0.53 0.61 0.92 0.51 0.42 IN. 0.78 0.72 0.86 1.29 1.06 1.00 0.68 0.62 0.68 1.06 0.59 0.46 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1977 - 1999, BY WATER YEAR (WY) MEAN 180 170 203 192 188 224 210 193 182 191 181 162 MAX 412 425 432 440 442 468 425 451 423 451 421 414 (WY) 1982 1992 1982 1980 1978 1980 1982 1978 1992 1992 1982 1982 MIN 14.3 13.8 15.7 23.7 21.5 18.4 12.8 10.6 13.0 15.6 9.10 8.82 (WY) 1999 1999 1999 1999 1999 1999 1999 1997 1999 1998 1997 1999 SUMMARY STATISTICS FOR 1998 CALENDAR YEAR FOR 1999 WATER YEAR WATER YEARS 1977 - 1999 ANNUAL TOTAL 5582.2 ANNUAL MEAN 15.3 170 HIGHEST ANNUAL MEAN 383 1984 LOWEST ANNUAL MEAN 15.3 1999 HIGHEST DAILY MEAN 111 Jul 13 760 Aug 2 1991 LOWEST DAILY MEAN 6.5 Sep 14 2.5 Sep 22 1997 ANNUAL SEVEN-DAY MINIMUM 7.0 Sep 3 3.0 Sep 17 1997 MAXIMUM PEAK FLOW 192 Jul 13 0.00 Aug 2 1991 MAXIMUM PEAK STAGE 3.23 Jul 13 6.08 Aug 2 1991 ANNUAL RUNOFF (CFSM) 0.72 8.02 ANNUAL RUNOFF (INCHES) 9.80 108.99 10 PERCENT EXCEEDS 21 422 50 PERCENT EXCEEDS 14 105 90 PERCENT EXCEEDS 8.6 22 e Estimated 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197348 PEN BRANCH AT ROAD A-13 (SRS) , SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 330934 LONGITUDE 0814108 NAD27 DRAINAGE AREA 21.2* CONTRIBUTING DRAINAGE AREA DATUM 100. NGVD29 Date Processed: 2004-08-20 15:18 By mishealy APPROVED DD #3, ,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 12 11 12 12 21 13 14 8.8 6.6 9.6 10 7.4 2 11 15 12 12 19 13 13 8.5 6.5 7.7 21 7.9 3 11 13 12 12 18 13 13 8.6 6.4 7.2 14 10 4 15 11 13 14 17 18 13 8.3 6.6 7.0 11 9.8 5 20 12 12 16 16 16 12 8.2 7.1 6.8 9.9 11 6 14 11 13 15 16 14 12 8.0 7.0 6.6 8.7 10 7 12 11 13 14 16 13 12 7.9 6.5 6.9 8.1 11 8 11 11 12 13 15 13 12 7.7 6.3 7.5 7.7 9.7 9 11 11 12 13 15 13 12 7.6 6.3 6.9 7.6 8.6 10 10 11 12 37 15 12 12 7.6 6.3 6.6 8.0 8.0 11 11 12 12 25 15 13 11 7.6 6.2 6.9 7.9 7.7 12 14 12 12 17 15 18 11 7.4 6.2 6.5 8.0 7.5 13 34 12 12 15 15 15 11 7.3 6.2 6.4 7.4 8.0 14 17 12 15 14 22 13 12 7.2 6.1 6.4 7.1 7.6 15 14 11 13 14 19 13 23 6.9 6.1 6.4 7.0 7.4 16 12 11 12 14 16 18 16 6.9 6.4 6.3 6.9 7.1 17 12 11 12 13 15 25 13 7.0 6.5 6.3 6.8 6.8 18 12 11 12 14 15 17 11 7.1 7.1 7.1 6.7 8.1 19 11 12 17 14 15 14 10 6.9 11 5.9 14 10 20 11 12 16 16 14 114 10 6.8 8.5 5.8 9.8 9.0 21 11 11 15 15 14 39 9.5 6.8 8.5 5.8 7.4 11 22 11 12 15 13 13 22 9.0 7.2 8.2 6.0 7.2 15 23 10 12 14 22 13 19 9.0 6.9 15 29 7.1 285 24 10 12 13 63 14 17 9.2 6.8 8.7 62 6.9 34 25 10 12 12 52 13 16 9.7 6.7 7.3 13 17 18 26 11 20 12 24 13 15 9.6 7.1 6.8 10 12 20 27 11 18 12 19 14 15 9.7 8.7 6.8 8.6 8.4 15 28 11 14 12 18 16 15 10 7.4 6.8 8.1 8.0 12 29 10 12 12 21 14 14 9.8 6.7 10 7.9 7.5 11 30 10 12 12 39 --- 15 9.5 6.6 17 7.6 9.0 10 31 10 --- 12 31 --- 16 --- 6.5 --- 7.3 7.9 --- TOTAL 390 368 397 631 453 601 348.0 229.7 231.0 302.1 286.0 603.6 MEAN 12.6 12.3 12.8 20.4 15.6 19.4 11.6 7.41 7.70 9.75 9.23 20.1 MAX 34 20 17 63 22 114 23 8.8 17 62 21 285 MIN 10 11 12 12 13 12 9.0 6.5 6.1 5.8 6.7 6.8 CFSM 0.59 0.58 0.60 0.96 0.74 0.91 0.55 0.35 0.36 0.46 0.44 0.95 IN. 0.68 0.65 0.70 1.11 0.79 1.05 0.61 0.40 0.41 0.53 0.50 1.06 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1977 - 2000, BY WATER YEAR (WY) MEAN 172 163 194 184 180 215 202 184 173 183 173 156 MAX 412 425 432 440 442 468 425 451 423 451 421 414 (WY) 1982 1992 1982 1980 1978 1980 1982 1978 1992 1992 1982 1982 MIN 12.6 12.3 12.8 20.4 15.6 18.4 11.6 7.41 7.70 9.75 9.10 8.82 (WY) 2000 2000 2000 2000 2000 1999 2000 2000 2000 2000 1997 1999 SUMMARY STATISTICS FOR 1999 CALENDAR YEAR FOR 2000 WATER YEAR WATER YEARS 1977 - 2000 ANNUAL TOTAL 4840.4 ANNUAL MEAN 13.2 162 HIGHEST ANNUAL MEAN 383 1984 LOWEST ANNUAL MEAN 13.2 2000 HIGHEST DAILY MEAN 285 Sep 23 760 Aug 2 1991 LOWEST DAILY MEAN 5.8 Jul 20 2.5 Sep 22 1997 ANNUAL SEVEN-DAY MINIMUM 6.2 Jul 16 3.0 Sep 17 1997 MAXIMUM PEAK FLOW 492 Sep 23 0.00 Aug 2 1991 MAXIMUM PEAK STAGE 4.76 Sep 23 6.08 Aug 2 1991 ANNUAL RUNOFF (CFSM) 0.62 7.63 ANNUAL RUNOFF (INCHES) 8.49 103.69 10 PERCENT EXCEEDS 17 422 50 PERCENT EXCEEDS 12 90 90 PERCENT EXCEEDS 6.8 15 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197348 PEN BRANCH AT ROAD A-13 (SRS) , SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 330934 LONGITUDE 0814108 NAD27 DRAINAGE AREA 21.2* CONTRIBUTING DRAINAGE AREA DATUM 100. NGVD29 Date Processed: 2004-08-20 15:18 By mishealy APPROVED DD #3, ,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 9.8 7.4 11 13 15 16 22 9.8 8.0 9.9 8.5 11 2 9.2 7.4 11 12 14 15 18 8.7 7.9 9.4 7.4 8.8 3 9.1 7.5 11 12 13 37 19 8.5 7.4 9.4 7.0 7.6 4 8.9 7.7 10 12 15 150 21 8.2 11 15 7.0 12 5 8.9 7.9 10 12 15 37 18 8.0 32 12 7.1 9.4 6 8.8 7.9 10 12 14 23 17 7.8 13 9.6 7.5 7.7 7 9.7 8.2 9.9 11 13 19 16 7.7 9.4 8.5 7.0 7.0 8 8.6 8.2 9.8 18 13 18 15 7.6 9.7 8.3 6.8 6.6 9 8.0 8.3 9.9 17 13 17 14 7.7 9.7 8.5 6.7 6.8 10 7.9 8.0 15 14 14 16 13 7.8 9.1 8.2 6.8 7.3 11 7.9 7.9 13 13 13 15 13 7.7 8.4 7.8 9.8 8.3 12 8.0 8.0 12 15 15 17 12 7.7 9.6 7.8 7.2 11 13 7.8 8.2 11 16 16 37 12 8.7 82 13 6.6 8.2 14 7.8 11 11 14 15 22 13 8.1 42 9.5 15 7.2 15 7.7 11 11 13 14 94 14 8.0 17 8.4 11 6.7 16 8.2 9.0 11 14 13 47 16 7.2 12 7.7 7.9 6.3 17 7.9 12 16 16 14 25 13 7.0 12 7.4 7.2 6.3 18 7.7 10 13 14 13 20 11 7.0 10 7.2 7.5 6.4 19 7.4 24 12 16 12 18 11 6.7 9.2 7.2 14 6.3 20 7.5 24 11 54 12 50 11 6.9 8.8 7.4 12 6.5 21 7.6 14 11 25 13 47 11 8.2 8.6 7.5 8.6 7.2 22 7.6 11 11 18 40 26 10 7.5 8.5 7.3 7.3 6.7 23 7.5 10 9.9 17 30 21 9.9 7.8 8.4 9.6 6.9 6.6 24 7.5 10 10 15 19 19 9.7 7.1 8.3 14 6.7 9.3 25 7.4 33 9.9 15 29 20 12 6.8 11 9.7 6.7 9.3 26 7.4 25 9.9 14 34 20 12 6.9 12 22 6.6 7.5 27 7.4 15 10 14 20 17 11 6.7 14 30 6.6 7.1 28 7.4 12 17 14 17 16 9.7 6.6 25 12 6.8 7.4 29 7.4 11 30 14 --- 46 9.2 27 13 11 6.4 6.6 30 7.3 11 17 16 --- 56 9.1 18 11 11 6.6 6.6 31 7.4 --- 14 16 --- 29 --- 9.5 --- 11 6.8 --- TOTAL 248.7 355.6 378.3 496 478 1010 402.6 268.9 448.0 327.3 246.0 231.7 MEAN 8.02 11.9 12.2 16.0 17.1 32.6 13.4 8.67 14.9 10.6 7.94 7.72 MAX 9.8 33 30 54 40 150 22 27 82 30 15 12 MIN 7.3 7.4 9.8 11 12 15 9.1 6.6 7.4 7.2 6.4 6.3 CFSM 0.38 0.56 0.58 0.75 0.81 1.54 0.63 0.41 0.70 0.50 0.37 0.36 IN. 0.44 0.62 0.66 0.87 0.84 1.77 0.71 0.47 0.79 0.57 0.43 0.41 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1977 - 2001, BY WATER YEAR (WY) MEAN 164 156 187 177 173 207 194 176 166 175 165 149 MAX 412 425 432 440 442 468 425 451 423 451 421 414 (WY) 1982 1992 1982 1980 1978 1980 1982 1978 1992 1992 1982 1982 MIN 8.02 11.9 12.2 16.0 15.6 18.4 11.6 7.41 7.70 9.75 7.94 7.72 (WY) 2001 2001 2001 2001 2000 1999 2000 2000 2000 2000 2001 2001 SUMMARY STATISTICS FOR 2000 CALENDAR YEAR FOR 2001 WATER YEAR WATER YEARS 1977 - 2001 ANNUAL TOTAL 4891.1 ANNUAL MEAN 13.4 154 HIGHEST ANNUAL MEAN 383 1984 LOWEST ANNUAL MEAN 13.2 2000 HIGHEST DAILY MEAN 150 Mar 4 760 Aug 2 1991 LOWEST DAILY MEAN 6.3 Sep 16 2.5 Sep 22 1997 ANNUAL SEVEN-DAY MINIMUM 6.5 Sep 14 3.0 Sep 17 1997 MAXIMUM PEAK FLOW 239 Mar 4 0.00 Aug 2 1991 MAXIMUM PEAK STAGE 3.56 Mar 4 6.08 Aug 2 1991 ANNUAL RUNOFF (CFSM) 0.63 7.28 ANNUAL RUNOFF (INCHES) 8.58 98.93 10 PERCENT EXCEEDS 20 421 50 PERCENT EXCEEDS 10 80 90 PERCENT EXCEEDS 7.0 13 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197348 PEN BRANCH AT ROAD A-13 (SRS) , SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 330934 LONGITUDE 0814108 NAD27 DRAINAGE AREA 21.2* CONTRIBUTING DRAINAGE AREA DATUM 100. NGVD29 Date Processed: 2004-08-20 15:18 By mishealy APPROVED DD #3, ,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 6.4 7.4 9.2 8.2 9.4 9.8 11 6.9 5.1 6.3 5.9 11 2 6.8 7.4 8.8 9.1 8.8 17 10 6.9 4.8 5.3 5.6 11 3 6.3 7.8 8.6 13 8.9 23 9.9 6.5 4.6 13 5.0 7.7 4 6.1 7.6 9.0 11 11 15 9.4 7.2 4.7 8.2 4.7 6.5 5 6.2 7.3 9.1 11 8.6 12 9.1 7.2 4.6 5.7 4.8 6.0 6 6.4 7.6 8.9 14 12 11 8.7 6.7 4.5 5.3 4.8 5.8 7 6.5 7.9 8.8 14 65 11 8.6 6.4 4.7 5.2 4.6 5.6 8 6.2 7.5 8.8 11 23 10 8.6 6.2 4.7 5.2 4.4 5.4 9 6.0 7.5 9.0 10 14 10 8.6 6.2 4.4 6.5 4.4 5.2 10 6.2 7.6 8.8 9.2 12 11 25 6.0 4.4 5.1 4.4 5.1 11 6.4 7.6 9.7 9.6 11 18 17 5.6 4.3 7.2 4.4 5.1 12 6.4 7.4 9.2 12 11 12 14 5.5 4.3 9.5 4.5 5.0 13 6.4 7.5 9.3 23 10 28 18 6.0 4.3 11 4.5 4.9 14 7.3 7.5 9.3 15 10 16 13 8.8 4.1 20 4.6 5.6 15 8.4 7.9 8.9 12 10 12 10 6.8 5.0 7.7 4.8 9.6 16 7.5 7.9 8.7 9.9 10 11 9.2 5.7 4.7 6.2 4.7 9.2 17 6.7 7.6 8.7 10 8.8 11 8.6 5.6 4.2 5.6 5.6 6.4 18 6.6 7.6 9.8 9.8 9.2 12 8.3 6.5 5.3 5.3 6.6 6.8 19 6.6 7.9 9.3 9.9 9.2 11 9.1 7.3 6.7 5.1 9.7 9.2 20 6.8 8.0 8.8 12 9.6 10 8.9 6.1 5.1 4.9 8.1 8.0 21 6.8 8.0 8.6 12 10 14 7.8 5.7 4.5 4.9 5.8 7.5 22 6.8 8.0 8.8 11 9.6 14 7.3 5.7 4.9 7.1 5.8 6.9 23 6.9 8.5 8.7 12 9.4 11 7.2 5.4 5.5 7.3 5.2 6.4 24 7.1 12 8.6 14 8.8 11 7.5 5.3 5.7 6.7 5.0 6.4 25 6.9 11 8.4 11 9.0 e10 7.4 5.2 10 6.0 6.1 6.4 26 6.4 11 8.4 10 8.6 e11 6.9 5.1 9.2 5.7 7.5 9.3 27 6.5 9.5 8.6 8.9 9.8 12 6.8 5.0 6.1 5.3 7.2 10 28 6.7 8.9 8.8 9.8 7.9 11 7.1 5.0 5.3 5.1 14 7.8 29 7.0 8.7 8.9 9.8 --- 10 6.6 4.9 5.1 4.9 8.2 6.8 30 7.2 8.8 9.1 9.8 --- 11 6.5 5.0 5.2 4.7 9.7 6.6 31 7.3 --- 8.8 9.6 --- 12 --- 5.0 --- 4.6 7.8 --- TOTAL 207.8 246.9 276.4 351.6 344.6 397.8 296.1 187.4 156.0 210.6 188.4 213.2 MEAN 6.70 8.23 8.92 11.3 12.3 12.8 9.87 6.05 5.20 6.79 6.08 7.11 MAX 8.4 12 9.8 23 65 28 25 8.8 10 20 14 11 MIN 6.0 7.3 8.4 8.2 7.9 9.8 6.5 4.9 4.1 4.6 4.4 4.9 CFSM 0.32 0.39 0.42 0.53 0.58 0.61 0.47 0.29 0.25 0.32 0.29 0.34 IN. 0.36 0.43 0.49 0.62 0.60 0.70 0.52 0.33 0.27 0.37 0.33 0.37 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1977 - 2002, BY WATER YEAR (WY) MEAN 157 150 179 170 166 200 187 169 159 167 158 144 MAX 412 425 432 440 442 468 425 451 423 451 421 414 (WY) 1982 1992 1982 1980 1978 1980 1982 1978 1992 1992 1982 1982 MIN 6.70 8.23 8.92 11.3 12.3 12.8 9.87 6.05 5.20 6.79 6.08 7.11 (WY) 2002 2002 2002 2002 2002 2002 2002 2002 2002 2002 2002 2002 SUMMARY STATISTICS FOR 2001 CALENDAR YEAR FOR 2002 WATER YEAR WATER YEARS 1977 - 2002 ANNUAL TOTAL 4639.6 3076.8 ANNUAL MEAN 12.7 8.43 147 HIGHEST ANNUAL MEAN 383 1984 LOWEST ANNUAL MEAN 8.43 2002 HIGHEST DAILY MEAN 150 Mar 4 65 Feb 7 760 Aug 2 1991 LOWEST DAILY MEAN 6.0 Oct 9 4.1 Jun 14 2.5 Sep 22 1997 ANNUAL SEVEN-DAY MINIMUM 6.2 Oct 4 4.4 Jun 8 3.0 Sep 17 1997 MAXIMUM PEAK FLOW 82 Feb 7 0.00 Aug 2 1991 MAXIMUM PEAK STAGE 2.08 Feb 7 6.08 Aug 2 1991 ANNUAL RUNOFF (CFSM) 0.60 0.40 6.95 ANNUAL RUNOFF (INCHES) 8.14 5.40 94.48 10 PERCENT EXCEEDS 19 12 412 50 PERCENT EXCEEDS 9.1 7.7 54 90 PERCENT EXCEEDS 6.7 4.9 9.8 e Estimated