1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197345 K-011, AT SAVANNAH RIVER SITE, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331240 LONGITUDE 0814028 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 200. NGVD29 Date Processed: 2004-08-20 15:18 By mishealy APPROVED DD #17, ,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 --- --- --- 457 453 480 467 461 172 470 471 463 2 --- --- --- 457 457 481 475 463 170 471 467 463 3 --- --- --- 458 453 481 476 465 170 470 462 463 4 --- --- --- 459 457 487 460 463 170 470 464 462 5 --- --- --- 458 459 487 463 466 170 470 467 465 6 --- --- --- 464 459 485 461 468 150 469 471 464 7 --- --- --- 456 455 479 463 468 144 472 474 464 8 --- --- --- 456 449 463 466 468 148 469 467 461 9 --- --- --- 457 452 409 465 463 306 469 468 461 10 --- --- --- 456 451 326 468 471 433 472 472 459 11 --- --- --- 457 463 462 470 465 437 471 467 462 12 --- --- --- 453 461 473 468 463 460 467 467 463 13 --- --- --- 451 422 488 467 464 465 291 465 464 14 --- --- --- 453 193 486 467 466 461 235 465 464 15 --- --- --- 429 196 496 471 467 458 178 477 464 16 --- --- 305 182 195 497 474 468 465 178 322 463 17 --- --- 191 179 195 495 471 466 466 179 168 465 18 --- --- 189 181 194 492 463 463 464 136 170 463 19 --- --- 185 175 134 489 442 466 467 112 169 461 20 --- --- 267 179 146 491 458 465 474 175 165 464 21 --- --- 443 278 212 489 467 466 475 447 259 464 22 --- --- 458 421 477 388 466 333 448 455 410 464 23 --- --- 458 429 478 236 466 151 447 467 447 463 24 --- --- 458 435 480 209 462 175 444 472 474 465 25 --- --- 454 445 481 210 367 172 440 474 475 466 26 --- --- 461 448 487 206 171 169 461 468 467 466 27 --- --- 460 453 483 197 163 167 470 462 466 463 28 --- --- 455 452 484 265 161 166 471 470 462 461 29 --- --- 456 451 483 467 370 172 471 468 462 461 30 --- --- 454 451 --- 476 449 164 467 465 470 460 31 --- --- 457 452 --- 482 --- 162 --- 469 465 --- TOTAL --- --- --- 12432 11209 13072 12857 11606 11244 12241 12875 13891 MEAN --- --- --- 401 387 422 429 374 375 395 415 463 MAX --- --- --- 464 487 497 476 471 475 474 477 466 MIN --- --- --- 175 134 197 161 151 144 112 165 459 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197345 K-011, AT SAVANNAH RIVER SITE, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331240 LONGITUDE 0814028 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 200. NGVD29 Date Processed: 2004-08-20 15:18 By mishealy APPROVED DD #17, ,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 1 296 294 36 455 455 458 458 465 463 428 465 466 2 98 181 52 457 469 455 465 461 467 429 468 471 3 148 191 73 459 471 454 472 438 470 444 467 461 4 175 191 140 454 383 453 434 185 465 469 475 462 5 324 123 145 318 218 461 442 149 469 466 353 465 6 435 64 164 212 187 460 459 155 466 465 142 465 7 430 59 191 168 148 456 459 326 472 456 144 468 8 439 58 224 160 138 455 457 445 476 458 137 469 9 455 62 414 159 424 456 466 467 474 461 347 353 10 454 62 419 393 427 455 464 468 467 463 422 178 11 460 53 422 427 399 271 242 468 465 461 428 164 12 459 63 437 430 413 91 114 471 467 459 440 159 13 468 73 445 436 438 108 115 471 468 462 453 163 14 464 50 451 450 452 330 115 470 470 470 464 366 15 461 50 456 454 451 432 136 469 479 456 460 424 16 384 34 461 452 451 446 434 472 476 196 463 438 17 155 36 462 454 451 452 440 467 321 393 463 447 18 126 154 461 455 450 454 455 465 146 456 465 443 19 356 120 460 455 453 457 458 469 144 472 462 459 20 450 116 458 454 451 456 472 304 120 478 463 469 21 460 112 454 460 450 257 469 97 76 464 463 468 22 461 79 452 463 452 154 464 116 62 462 464 463 23 464 76 451 458 453 164 439 298 62 464 464 471 24 465 73 455 456 451 429 446 445 57 467 464 465 25 463 71 456 451 455 444 459 480 51 466 466 464 26 456 67 457 446 452 455 464 480 85 463 462 477 27 436 38 456 447 451 458 465 474 113 465 471 470 28 454 40 456 449 450 456 468 471 93 474 471 460 29 461 37 454 449 --- 458 468 472 118 466 472 465 30 469 36 455 451 --- 460 470 469 418 465 468 470 31 462 --- 456 450 --- 461 --- 464 --- 468 465 --- TOTAL 12088 2663 11373 12682 11343 12256 12169 12351 9380 13966 13111 12463 MEAN 390 88.8 367 409 405 395 406 398 313 451 423 415 MAX 469 294 462 463 471 461 472 480 479 478 475 477 MIN 98 34 36 159 138 91 114 97 51 196 137 159 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197345 K-011, AT SAVANNAH RIVER SITE, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331240 LONGITUDE 0814028 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 200. NGVD29 Date Processed: 2004-08-20 15:18 By mishealy APPROVED DD #17, ,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 1 468 426 438 448 43 89 461 466 449 468 470 470 2 474 451 427 447 42 73 466 462 460 475 487 474 3 480 460 436 446 43 81 471 466 466 475 475 475 4 468 459 445 443 43 98 473 471 461 474 474 474 5 437 457 449 449 56 87 472 489 461 470 474 472 6 448 453 456 349 52 245 473 478 468 190 482 473 7 458 454 452 211 53 452 470 474 465 110 468 475 8 460 451 454 198 64 452 466 470 466 93 158 472 9 459 451 466 204 67 450 465 474 467 91 132 471 10 463 449 459 207 43 446 466 477 469 97 129 475 11 459 452 471 202 43 450 462 475 466 96 171 310 12 461 451 464 193 56 451 462 475 467 91 210 113 13 461 454 461 200 49 455 467 469 467 277 109 137 14 380 454 465 135 47 464 355 465 464 474 124 369 15 190 454 455 92 47 462 148 476 470 472 112 466 16 187 453 455 67 53 463 140 480 468 475 121 478 17 185 455 449 74 72 471 212 476 468 479 115 485 18 415 329 450 71 68 467 457 473 469 473 107 483 19 427 167 452 54 72 474 461 468 469 479 121 480 20 437 164 454 41 70 481 461 464 468 364 195 469 21 456 164 445 37 62 474 462 466 476 130 226 473 22 464 162 425 26 70 477 471 464 471 116 167 473 23 438 162 427 20 76 474 476 464 470 432 156 485 24 447 408 439 29 79 473 476 467 469 463 156 482 25 450 425 440 42 81 473 470 471 472 472 150 478 26 462 434 443 37 75 466 432 455 429 482 128 477 27 454 434 449 28 76 432 213 242 166 493 119 474 28 451 433 452 24 81 268 190 141 151 475 121 475 29 457 433 451 28 --- 226 377 132 146 473 395 483 30 360 444 452 21 --- 228 460 126 441 475 467 486 31 312 --- 451 21 --- 323 --- 355 --- 473 468 --- TOTAL 12968 11843 13932 4844 1683 11425 12335 13231 12999 11107 7687 13307 MEAN 418 395 449 156 60.1 369 411 427 433 358 248 444 MAX 480 460 471 449 81 481 476 489 476 493 487 486 MIN 185 162 425 20 42 73 140 126 146 91 107 113 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197345 K-011, AT SAVANNAH RIVER SITE, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331240 LONGITUDE 0814028 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 200. NGVD29 Date Processed: 2004-08-20 15:18 By mishealy APPROVED DD #17, ,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 1 487 478 217 64 146 120 442 474 459 459 460 485 2 482 472 235 70 138 291 461 479 464 458 459 467 3 483 469 166 82 109 135 463 469 465 456 457 464 4 482 472 100 73 118 132 460 467 469 454 458 465 5 482 473 34 72 122 120 462 453 474 456 460 467 6 489 468 34 75 119 121 461 451 475 450 463 459 7 479 467 34 81 133 128 457 457 466 452 459 417 8 476 470 36 83 135 134 459 455 191 452 462 216 9 475 472 38 81 136 110 466 460 174 453 467 218 10 482 474 45 84 133 394 460 448 256 456 469 216 11 481 472 45 84 140 323 449 455 271 456 466 217 12 481 471 53 82 121 441 466 458 349 460 468 214 13 491 471 51 102 99 445 464 457 446 464 473 219 14 476 471 50 122 75 437 450 448 465 463 450 240 15 480 472 35 135 86 438 453 441 470 457 471 234 16 481 480 44 135 106 444 455 449 469 457 470 299 17 477 469 33 131 133 434 447 456 446 458 474 397 18 483 475 41 131 201 443 452 454 417 461 476 456 19 401 474 42 136 115 449 456 456 397 469 472 460 20 162 474 44 125 115 448 455 455 457 464 470 465 21 173 475 44 126 104 449 457 457 462 465 471 468 22 174 478 44 131 59 449 461 452 462 459 468 472 23 412 478 44 99 65 445 458 452 460 458 472 477 24 465 475 43 97 94 451 455 458 463 461 469 478 25 467 471 42 92 131 452 447 461 458 460 471 482 26 472 474 42 88 107 454 457 457 458 457 467 485 27 473 469 42 93 100 446 449 456 459 455 468 482 28 474 475 42 90 102 451 456 455 447 456 470 485 29 472 477 42 100 --- 448 452 458 449 456 476 486 30 474 454 41 115 --- 443 464 454 458 460 476 478 31 471 --- 45 109 --- 440 --- 455 --- 462 474 --- TOTAL 13757 14170 1848 3088 3242 10915 13694 14157 12656 14204 14486 11868 MEAN 444 472 59.6 99.6 116 352 456 457 422 458 467 396 MAX 491 480 235 136 201 454 466 479 475 469 476 486 MIN 162 454 33 64 59 110 442 441 174 450 450 214 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197345 K-011, AT SAVANNAH RIVER SITE, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331240 LONGITUDE 0814028 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 200. NGVD29 Date Processed: 2004-08-20 15:18 By mishealy APPROVED DD #17, ,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 1 464 452 435 439 208 454 460 75 35 34 24 41 2 452 446 430 436 287 447 447 50 38 68 24 42 3 460 449 440 431 470 450 440 34 33 69 24 42 4 442 460 443 431 461 453 439 53 31 70 23 39 5 454 455 447 430 446 451 452 58 34 70 24 42 6 462 417 437 308 441 455 456 56 34 69 22 42 7 453 423 436 132 431 457 455 55 36 64 21 40 8 457 431 441 239 431 458 448 59 36 68 21 42 9 447 441 443 430 424 457 445 48 37 69 23 42 10 455 456 443 437 434 450 441 58 37 73 24 44 11 470 429 444 431 433 451 143 41 37 61 24 44 12 465 422 449 420 430 457 139 38 33 60 24 45 13 453 433 440 442 432 457 160 37 34 61 24 45 14 453 436 445 441 440 456 207 38 36 63 24 47 15 460 429 443 444 439 450 211 39 35 52 23 47 16 447 442 435 454 435 449 205 41 36 48 22 47 17 460 438 447 459 432 449 205 40 35 44 22 46 18 455 437 455 453 434 457 202 40 31 42 23 45 19 462 428 461 446 434 459 144 38 33 42 23 48 20 461 418 465 436 432 458 133 38 34 49 23 48 21 449 409 460 429 430 457 133 39 36 60 25 48 22 411 397 459 432 440 447 131 40 35 42 28 47 23 82 419 458 433 448 450 131 41 35 35 30 49 24 414 431 454 435 446 454 134 38 30 36 33 49 25 451 440 465 433 435 452 140 35 33 35 35 50 26 454 442 466 434 437 457 134 30 35 33 37 50 27 449 443 458 432 443 456 139 30 42 33 37 51 28 443 444 458 436 451 439 134 31 30 33 36 51 29 432 443 449 442 454 451 134 33 27 31 37 83 30 432 433 436 450 --- 464 125 38 32 25 37 67 31 444 --- 434 442 --- 460 --- 36 --- 25 36 --- TOTAL 13593 13043 13876 12937 12358 14062 7567 1327 1030 1564 833 1423 MEAN 438 435 448 417 426 454 252 42.8 34.3 50.5 26.9 47.4 MAX 470 460 466 459 470 464 460 75 42 73 37 83 MIN 82 397 430 132 208 439 125 30 27 25 21 39 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197345 K-011, AT SAVANNAH RIVER SITE, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331240 LONGITUDE 0814028 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 200. NGVD29 Date Processed: 2004-08-20 15:18 By mishealy APPROVED DD #17, ,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 52 71 47 64 118 123 80 63 80 46 75 61 2 43 56 47 83 117 124 87 64 92 37 73 53 3 44 47 47 57 111 122 71 58 80 39 76 51 4 44 47 47 113 83 117 64 53 75 42 86 51 5 44 47 47 414 84 116 64 53 73 41 73 51 6 44 46 47 476 84 133 64 53 71 42 73 52 7 44 46 47 353 83 138 63 54 63 46 73 47 8 42 44 47 317 81 124 64 55 53 48 73 57 9 42 44 47 246 73 146 64 51 48 49 75 60 10 43 43 47 357 77 159 64 51 49 49 71 56 11 46 36 47 327 79 146 62 51 53 51 69 53 12 47 35 44 94 79 143 63 58 53 48 63 54 13 48 47 44 135 79 162 52 56 53 47 61 57 14 47 53 43 183 81 156 44 56 48 52 61 59 15 48 54 44 173 81 152 45 56 53 53 67 58 16 48 41 44 150 79 147 44 48 64 53 55 59 17 56 52 52 105 83 137 45 48 75 56 41 59 18 51 35 75 128 90 152 44 55 79 55 44 58 19 47 35 60 112 95 156 44 57 79 57 38 59 20 48 35 57 146 101 151 44 59 69 55 40 57 21 47 35 64 165 117 148 45 51 65 53 36 59 22 48 35 62 165 116 148 56 56 63 55 60 58 23 47 43 64 126 116 155 49 48 64 57 56 59 24 48 35 57 91 117 153 53 49 72 60 50 59 25 47 35 60 92 122 146 56 52 65 65 53 58 26 47 35 63 89 121 148 50 67 70 66 49 57 27 40 35 64 115 122 141 57 71 76 68 50 64 28 34 35 61 114 124 133 55 74 65 69 49 69 29 54 48 63 108 --- 126 49 77 62 70 55 67 30 55 48 65 110 --- 97 49 73 46 73 58 68 31 52 --- 62 118 --- 76 --- 69 --- 74 49 --- TOTAL 1447 1298 1665 5326 2713 4275 1691 1786 1958 1676 1852 1730 MEAN 46.7 43.3 53.7 172 96.9 138 56.4 57.6 65.3 54.1 59.7 57.7 MAX 56 71 75 476 124 162 87 77 92 74 86 69 MIN 34 35 43 57 73 76 44 48 46 37 36 47 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197345 K-011, AT SAVANNAH RIVER SITE, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331240 LONGITUDE 0814028 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 200. NGVD29 Date Processed: 2004-08-20 15:18 By mishealy APPROVED DD #17, ,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 66 51 60 28 28 43 83 49 24 54 43 25 2 69 51 48 29 28 40 79 47 24 56 38 25 3 68 53 35 28 28 39 79 48 24 57 37 25 4 68 52 40 28 28 39 79 52 25 57 37 29 5 69 51 35 28 28 40 75 52 24 57 37 34 6 57 51 31 28 28 39 72 53 25 54 38 33 7 56 51 32 28 28 40 74 54 25 49 40 35 8 45 51 32 28 28 39 72 50 25 48 36 40 9 61 50 30 28 31 39 68 42 25 48 36 44 10 66 51 28 28 31 39 49 44 27 49 37 30 11 62 51 28 42 31 39 50 55 25 50 37 29 12 63 51 28 30 31 39 51 57 25 48 37 34 13 59 51 28 28 31 39 71 57 25 42 36 34 14 52 51 28 28 31 40 73 54 24 40 36 33 15 50 51 29 28 31 39 72 53 23 39 37 33 16 51 51 28 28 32 39 69 40 12 37 37 33 17 51 51 29 28 32 40 73 42 24 38 37 35 18 53 51 28 28 33 39 76 51 26 38 37 35 19 52 51 28 29 32 39 74 39 26 37 37 37 20 51 51 30 30 32 39 67 33 35 39 37 31 21 49 51 29 28 32 40 53 33 32 50 39 45 22 51 51 28 28 35 39 53 33 26 50 45 52 23 50 48 28 29 39 34 69 37 26 51 39 56 24 50 55 28 29 39 28 66 52 26 50 39 59 25 51 52 28 30 39 28 67 53 24 47 35 57 26 51 57 28 30 40 31 66 53 24 42 35 52 27 51 65 29 30 44 45 64 52 24 42 35 52 28 52 59 29 31 42 41 51 56 39 42 35 53 29 52 60 28 30 --- 48 49 57 44 43 35 48 30 52 61 28 29 --- 76 50 45 54 42 29 45 31 51 --- 28 28 --- 69 --- 26 --- 42 28 --- TOTAL 1729 1581 966 902 912 1268 1994 1469 812 1438 1141 1173 MEAN 55.8 52.7 31.2 29.1 32.6 40.9 66.5 47.4 27.1 46.4 36.8 39.1 MAX 69 65 60 42 44 76 83 57 54 57 45 59 MIN 45 48 28 28 28 28 49 26 12 37 28 25 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197345 K-011, AT SAVANNAH RIVER SITE, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331240 LONGITUDE 0814028 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 200. NGVD29 Date Processed: 2004-08-20 15:18 By mishealy APPROVED DD #17, ,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 38 51 65 28 75 143 96 71 55 88 119 244 2 35 57 59 31 74 112 114 62 61 79 120 53 3 43 59 60 31 73 124 114 102 65 91 124 48 4 48 40 60 31 73 275 115 101 52 91 123 43 5 47 37 60 44 73 292 113 101 48 90 118 36 6 49 37 62 51 89 424 128 101 121 87 118 37 7 48 41 75 51 148 430 123 80 246 86 119 39 8 47 47 75 51 148 384 120 52 389 83 129 44 9 48 47 72 51 161 326 112 51 282 83 198 45 10 50 46 72 51 283 180 117 51 110 82 411 45 11 51 45 69 51 418 211 118 51 200 56 411 51 12 52 46 69 51 327 168 180 51 143 46 322 60 13 49 47 65 53 411 169 141 52 55 61 188 56 14 46 47 69 51 412 372 112 51 47 53 190 51 15 50 48 68 45 388 172 112 47 48 106 190 51 16 62 47 65 33 156 173 107 45 46 96 190 51 17 55 48 73 55 99 268 228 46 279 95 177 51 18 58 53 79 54 136 169 360 45 155 98 143 50 19 52 54 77 81 132 410 411 45 172 95 123 51 20 51 51 74 75 171 418 350 45 160 105 110 50 21 50 51 70 73 133 451 448 46 81 105 118 49 22 48 51 64 74 115 451 450 43 79 106 158 40 23 47 51 64 76 98 168 445 42 79 133 200 39 24 50 51 58 78 97 58 386 42 77 178 419 127 25 50 52 53 77 141 39 78 39 81 182 428 137 26 48 53 44 77 86 205 68 46 88 178 433 141 27 49 60 31 75 82 419 63 31 165 176 435 138 28 49 69 29 74 109 448 148 28 241 166 435 130 29 48 69 28 73 --- 168 220 28 189 162 393 127 30 50 66 28 73 --- 100 61 28 102 145 413 266 31 49 --- 28 76 --- 109 --- 28 --- 128 410 --- TOTAL 1517 1521 1865 1795 4708 7836 5638 1651 3916 3330 7465 2350 MEAN 48.9 50.7 60.2 57.9 168 253 188 53.3 131 107 241 78.3 MAX 62 69 79 81 418 451 450 102 389 182 435 266 MIN 35 37 28 28 73 39 61 28 46 46 110 36 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1984 - 1991, BY WATER YEAR (WY) MEAN 263 220 210 218 213 303 283 232 225 240 240 243 MAX 444 472 449 417 426 454 456 457 433 458 467 463 (WY) 1987 1987 1986 1988 1988 1988 1987 1987 1986 1987 1987 1984 MIN 46.7 43.3 31.2 29.1 32.6 40.9 56.4 42.8 27.1 46.4 26.9 39.1 (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 1984 - 1991 ANNUAL TOTAL 43592 ANNUAL MEAN 119 224 HIGHEST ANNUAL MEAN 372 1985 LOWEST ANNUAL MEAN 42.2 1990 HIGHEST DAILY MEAN 451 Mar 21 497 Mar 16 1984 LOWEST DAILY MEAN 28 Dec 29 12 Jun 16 1990 ANNUAL SEVEN-DAY MINIMUM 29 Dec 27 23 Aug 3 1988 MAXIMUM PEAK FLOW 520 Mar 27 554 Oct 2 1985 MAXIMUM PEAK STAGE 3.40 Mar 27 3.45 Oct 2 1985 INSTANTANEOUS LOW FLOW 28 Dec 29 12 Jun 16 1990 10 PERCENT EXCEEDS 287 469 50 PERCENT EXCEEDS 75 159 90 PERCENT EXCEEDS 45 37 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197345 K-011, AT SAVANNAH RIVER SITE, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331240 LONGITUDE 0814028 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 200. NGVD29 Date Processed: 2004-08-20 15:18 By mishealy APPROVED DD #17, ,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 1 179 440 204 46 42 142 137 127 402 427 104 0.38 2 72 431 430 46 67 147 139 127 402 433 103 0.38 3 96 439 430 46 144 147 138 127 401 435 103 0.35 4 95 448 435 46 143 147 136 127 399 444 292 0.32 5 95 445 438 44 138 145 87 127 399 446 309 0.31 6 97 435 441 42 128 145 135 127 401 440 309 0.31 7 109 436 438 43 134 142 135 123 410 444 235 0.31 8 112 434 437 43 150 145 135 94 410 436 202 0.31 9 111 435 434 42 144 146 136 416 414 435 93 0.31 10 105 435 426 42 143 145 136 422 417 435 71 0.31 11 70 435 420 45 148 141 289 422 414 441 71 0.31 12 69 438 433 44 140 141 433 418 407 445 71 0.31 13 150 435 427 42 138 138 419 413 406 441 72 0.31 14 69 436 430 42 134 137 397 409 411 440 68 0.28 15 69 436 432 42 133 137 122 409 414 441 69 0.28 16 68 432 439 42 134 133 121 410 412 441 139 0.26 17 58 432 445 42 134 131 123 410 414 441 140 0.25 18 57 433 452 42 133 133 125 411 414 441 135 0.25 19 56 434 447 42 134 129 119 411 412 445 82 0.25 20 55 435 454 42 139 127 119 410 411 447 43 0.25 21 55 430 451 42 140 137 120 409 414 448 22 0.25 22 54 431 445 42 140 143 127 422 412 452 19 0.25 23 52 435 441 42 140 143 127 422 422 447 12 0.25 24 51 433 452 42 140 141 127 419 429 447 6.4 0.25 25 55 430 173 42 140 139 127 415 430 447 2.4 0.25 26 63 430 60 42 140 133 126 74 429 447 1.0 0.25 27 400 439 47 42 140 141 127 85 424 446 0.83 0.25 28 434 438 48 42 140 142 127 416 417 454 0.75 0.24 29 431 438 48 42 140 139 127 413 417 454 0.55 0.23 30 433 433 47 42 --- 137 127 400 421 444 0.43 0.21 31 436 --- 46 42 --- 137 --- 402 --- 339 0.38 --- TOTAL 4256 13061 10750 1327 3860 4330 4843 9817 12385 13623 2776.74 8.47 MEAN 137 435 347 42.8 133 140 161 317 413 439 89.6 0.28 MAX 436 448 454 46 150 147 433 422 430 454 309 0.38 MIN 51 430 46 42 42 127 87 74 399 339 0.38 0.21 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1984 - 1992, BY WATER YEAR (WY) MEAN 247 247 227 198 204 285 270 242 246 262 223 216 MAX 444 472 449 417 426 454 456 457 433 458 467 463 (WY) 1987 1987 1986 1988 1988 1988 1987 1987 1986 1987 1987 1984 MIN 46.7 43.3 31.2 29.1 32.6 40.9 56.4 42.8 27.1 46.4 26.9 0.28 (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 1984 - 1992 ANNUAL TOTAL 81037.21 ANNUAL MEAN 221 223 HIGHEST ANNUAL MEAN 372 1985 LOWEST ANNUAL MEAN 42.2 1990 HIGHEST DAILY MEAN 454 Dec 20 497 Mar 16 1984 LOWEST DAILY MEAN 0.21 Sep 30 0.21 Sep 30 1992 ANNUAL SEVEN-DAY MINIMUM 0.24 Sep 24 0.24 Sep 24 1992 MAXIMUM PEAK FLOW 466 Dec 19 554 Oct 2 1985 MAXIMUM PEAK STAGE 3.33 May 27 3.45 Oct 2 1985 10 PERCENT EXCEEDS 439 468 50 PERCENT EXCEEDS 140 148 90 PERCENT EXCEEDS 2.0 37 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197345 K-011, AT SAVANNAH RIVER SITE, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331240 LONGITUDE 0814028 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 200. NGVD29 Date Processed: 2004-08-20 15:18 By mishealy APPROVED DD #17, ,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 0.25 0.20 0.23 0.24 2.5 49 49 40 10 19 33 25 2 0.22 0.21 0.22 0.25 9.3 49 51 40 12 19 33 25 3 0.21 0.21 0.21 0.24 3.8 51 51 40 10 19 33 25 4 0.22 0.22 0.21 0.25 9.8 49 49 41 9.9 20 33 24 5 0.22 0.20 16 0.96 6.7 50 51 41 18 20 31 25 6 0.22 0.20 7.9 0.59 35 49 49 38 11 20 31 26 7 0.22 0.20 5.4 13 78 49 49 37 11 20 32 24 8 0.23 0.20 17 27 7.5 48 49 37 11 17 31 24 9 0.23 0.20 13 0.34 7.5 48 49 37 11 17 31 24 10 0.22 0.20 0.95 0.35 23 48 49 37 11 18 46 23 11 0.21 0.20 8.6 3.2 39 48 49 37 10 18 30 22 12 0.21 0.20 9.0 0.70 44 49 50 35 11 18 31 22 13 0.20 0.20 22 1.4 25 50 51 35 11 20 30 22 14 0.20 0.20 40 2.9 17 52 48 35 16 20 30 22 15 0.20 0.20 27 3.0 48 50 47 36 20 19 30 22 16 0.20 0.20 12 7.5 57 79 47 37 20 19 30 22 17 0.20 0.20 7.0 6.2 53 67 47 36 20 19 28 23 18 0.20 0.20 3.2 12 52 48 47 34 20 20 28 20 19 0.20 0.20 0.95 15 56 49 47 25 20 20 27 20 20 0.20 0.20 0.45 14 69 49 47 17 21 20 26 23 21 0.20 0.21 0.23 1.7 67 47 47 16 21 22 26 24 22 0.20 0.21 1.8 0.72 65 49 46 16 21 22 28 24 23 0.20 0.21 1.9 21 51 52 45 15 21 22 26 24 24 0.21 0.21 0.95 67 44 51 44 15 21 23 27 24 25 0.22 0.22 0.50 24 52 49 44 15 22 24 26 24 26 0.21 0.22 0.37 23 52 50 44 15 22 22 26 24 27 0.20 0.22 0.26 18 52 49 44 12 22 21 26 24 28 0.20 0.23 0.26 32 48 49 44 9.4 22 22 26 24 29 0.20 0.23 0.27 38 --- 49 44 9.7 21 23 25 24 30 0.21 0.22 0.22 2.5 --- 47 43 10 17 28 25 24 31 0.20 --- 0.24 2.5 --- 50 --- 10 --- 33 25 --- TOTAL 6.51 6.22 198.32 339.54 1074.1 1573 1421 858.1 493.9 644 910 703 MEAN 0.21 0.21 6.40 11.0 38.4 50.7 47.4 27.7 16.5 20.8 29.4 23.4 MAX 0.25 0.23 40 67 78 79 51 41 22 33 46 26 MIN 0.20 0.20 0.21 0.24 2.5 47 43 9.4 9.9 17 25 20 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1984 - 1993, BY WATER YEAR (WY) MEAN 220 219 202 180 188 261 247 220 223 238 204 196 MAX 444 472 449 417 426 454 456 457 433 458 467 463 (WY) 1987 1987 1986 1988 1988 1988 1987 1987 1986 1987 1987 1984 MIN 0.21 0.21 6.40 11.0 32.6 40.9 47.4 27.7 16.5 20.8 26.9 0.28 (WY) 1993 1993 1993 1993 1990 1990 1993 1993 1993 1993 1988 1992 SUMMARY STATISTICS FOR 1992 CALENDAR YEAR FOR 1993 WATER YEAR WATER YEARS 1984 - 1993 ANNUAL TOTAL 8227.69 ANNUAL MEAN 22.5 201 HIGHEST ANNUAL MEAN 372 1985 LOWEST ANNUAL MEAN 22.5 1993 HIGHEST DAILY MEAN 79 Mar 16 497 Mar 16 1984 LOWEST DAILY MEAN 0.20 Oct 13 0.20 Oct 13 1992 ANNUAL SEVEN-DAY MINIMUM 0.20 Oct 13 0.20 Oct 13 1992 MAXIMUM PEAK FLOW 181 Mar 17 554 Oct 2 1985 MAXIMUM PEAK STAGE 2.80 Mar 17 3.45 Oct 2 1985 10 PERCENT EXCEEDS 49 467 50 PERCENT EXCEEDS 21 125 90 PERCENT EXCEEDS 0.21 28 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197345 K-011, AT SAVANNAH RIVER SITE, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331240 LONGITUDE 0814028 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 200. NGVD29 Date Processed: 2004-08-20 15:18 By mishealy APPROVED DD #17, ,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 23 37 39 39 35 36 31 31 33 55 31 28 2 24 37 39 39 35 35 31 31 33 55 30 29 3 24 37 39 40 35 33 31 31 33 55 30 28 4 27 37 39 40 35 33 31 31 33 53 30 28 5 31 37 39 42 35 33 31 31 34 51 33 28 6 32 37 39 42 35 33 31 31 36 49 30 28 7 31 34 39 40 35 32 31 31 37 47 30 28 8 32 34 39 39 35 31 31 31 36 47 29 28 9 34 36 39 37 35 32 31 30 35 47 28 28 10 35 35 39 37 35 32 31 30 35 47 32 29 11 33 33 36 37 35 31 30 30 35 46 39 30 12 34 34 37 41 35 32 30 28 35 46 39 30 13 35 36 38 40 35 33 30 28 35 43 40 30 14 35 37 39 41 35 35 30 30 36 42 38 30 15 35 37 39 37 35 35 30 31 39 42 37 30 16 35 38 39 37 35 35 30 33 39 38 37 30 17 34 36 39 38 34 35 30 31 41 37 37 30 18 37 35 39 37 33 35 30 31 44 37 36 30 19 40 36 39 37 33 35 30 31 44 34 33 30 20 41 38 39 37 33 35 30 32 44 33 32 30 21 42 39 39 37 33 34 29 33 44 33 32 30 22 41 39 39 37 33 33 28 32 48 33 31 30 23 42 38 39 37 35 33 28 31 64 33 30 30 24 42 35 39 37 35 34 28 31 64 33 30 30 25 40 38 39 37 35 34 29 32 59 33 30 30 26 37 39 39 37 35 32 31 33 57 33 31 31 27 37 40 39 37 35 32 31 33 59 35 31 31 28 37 39 39 36 35 33 31 33 56 35 31 31 29 37 38 39 35 --- 33 31 33 58 33 31 31 30 39 39 39 35 --- 33 31 33 56 33 30 31 31 37 --- 39 35 --- 33 --- 33 --- 33 28 --- TOTAL 1083 1105 1203 1177 969 1035 907 970 1302 1271 1006 887 MEAN 34.9 36.8 38.8 38.0 34.6 33.4 30.2 31.3 43.4 41.0 32.5 29.6 MAX 42 40 39 42 35 36 31 33 64 55 40 31 MIN 23 33 36 35 33 31 28 28 33 33 28 28 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1984 - 1994, BY WATER YEAR (WY) MEAN 201 201 186 167 174 241 228 203 207 220 188 181 MAX 444 472 449 417 426 454 456 457 433 458 467 463 (WY) 1987 1987 1986 1988 1988 1988 1987 1987 1986 1987 1987 1984 MIN 0.21 0.21 6.40 11.0 32.6 33.4 30.2 27.7 16.5 20.8 26.9 0.28 (WY) 1993 1993 1993 1993 1990 1994 1994 1993 1993 1993 1988 1992 SUMMARY STATISTICS FOR 1993 CALENDAR YEAR FOR 1994 WATER YEAR WATER YEARS 1984 - 1994 ANNUAL TOTAL 12915 ANNUAL MEAN 35.4 184 HIGHEST ANNUAL MEAN 372 1985 LOWEST ANNUAL MEAN 22.5 1993 HIGHEST DAILY MEAN 64 Jun 23 497 Mar 16 1984 LOWEST DAILY MEAN 23 Oct 1 0.20 Oct 13 1992 ANNUAL SEVEN-DAY MINIMUM 27 Oct 1 0.20 Oct 13 1992 MAXIMUM PEAK FLOW 79 Aug 5 554 Oct 2 1985 MAXIMUM PEAK STAGE 2.58 Aug 5 3.45 Oct 2 1985 10 PERCENT EXCEEDS 41 466 50 PERCENT EXCEEDS 35 86 90 PERCENT EXCEEDS 30 28 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197345 K-011, AT SAVANNAH RIVER SITE, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331240 LONGITUDE 0814028 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 200. NGVD29 Date Processed: 2004-08-20 15:18 By mishealy APPROVED DD #17, ,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 31 38 35 41 41 33 30 31 30 30 53 42 2 31 38 35 41 40 32 30 31 30 30 54 42 3 31 35 35 41 39 31 30 31 29 32 52 42 4 31 35 36 41 39 31 30 31 29 33 51 42 5 31 35 39 40 39 31 30 31 29 33 49 41 6 31 35 39 43 39 31 30 31 29 37 48 39 7 31 35 39 43 39 31 30 31 30 35 49 39 8 31 36 38 42 37 32 30 31 30 40 51 39 9 31 37 37 41 32 31 30 31 30 44 50 39 10 32 37 38 41 32 31 30 31 30 41 49 39 11 33 37 39 42 32 31 30 32 30 40 49 37 12 35 37 39 42 31 31 30 31 30 38 45 37 13 37 37 40 42 32 30 29 31 30 39 45 37 14 37 37 42 42 33 28 29 31 30 39 45 36 15 37 37 42 42 33 30 30 30 30 43 46 36 16 37 37 42 42 33 29 30 30 30 44 47 32 17 37 37 42 42 33 28 30 31 30 44 45 31 18 37 37 42 42 32 28 30 31 30 47 46 31 19 37 37 39 42 32 30 30 32 30 46 44 32 20 37 39 37 42 31 31 30 30 30 45 44 33 21 35 39 37 42 32 30 30 32 30 46 44 33 22 34 38 40 42 33 30 31 33 30 48 46 33 23 34 34 41 42 33 30 31 32 30 55 48 31 24 33 35 42 42 32 30 30 31 30 57 46 31 25 33 35 39 43 32 30 30 31 30 53 43 30 26 35 35 38 44 32 30 30 31 30 54 44 30 27 37 39 41 43 33 29 30 31 30 53 42 30 28 39 38 37 44 33 29 33 31 30 55 42 30 29 39 37 39 44 --- 29 32 31 30 53 45 30 30 41 36 42 43 --- 29 31 30 30 52 48 30 31 40 --- 42 42 --- 30 --- 30 --- 53 46 --- TOTAL 1075 1099 1213 1305 959 936 906 962 896 1359 1456 1054 MEAN 34.7 36.6 39.1 42.1 34.2 30.2 30.2 31.0 29.9 43.8 47.0 35.1 MAX 41 39 42 44 41 33 33 33 30 57 54 42 MIN 31 34 35 40 31 28 29 30 29 30 42 30 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1984 - 1995, BY WATER YEAR (WY) MEAN 186 186 173 156 162 223 211 189 192 205 176 169 MAX 444 472 449 417 426 454 456 457 433 458 467 463 (WY) 1987 1987 1986 1988 1988 1988 1987 1987 1986 1987 1987 1984 MIN 0.21 0.21 6.40 11.0 32.6 30.2 30.2 27.7 16.5 20.8 26.9 0.28 (WY) 1993 1993 1993 1993 1990 1995 1995 1993 1993 1993 1988 1992 SUMMARY STATISTICS FOR 1994 CALENDAR YEAR FOR 1995 WATER YEAR WATER YEARS 1984 - 1995 ANNUAL TOTAL 13220 ANNUAL MEAN 36.2 171 HIGHEST ANNUAL MEAN 372 1985 LOWEST ANNUAL MEAN 22.5 1993 HIGHEST DAILY MEAN 57 Jul 24 497 Mar 16 1984 LOWEST DAILY MEAN 28 Mar 14 0.20 Oct 13 1992 ANNUAL SEVEN-DAY MINIMUM 29 Mar 13 0.20 Oct 13 1992 MAXIMUM PEAK FLOW 71 Jul 26 554 Oct 2 1985 MAXIMUM PEAK STAGE 2.45 Jul 26 3.45 Oct 2 1985 10 PERCENT EXCEEDS 45 465 50 PERCENT EXCEEDS 35 68 90 PERCENT EXCEEDS 30 29 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197345 K-011, AT SAVANNAH RIVER SITE, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331240 LONGITUDE 0814028 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 200. NGVD29 Date Processed: 2004-08-20 15:18 By mishealy APPROVED DD #17, ,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 30 28 29 33 33 33 40 33 27 27 21 17 2 30 28 30 32 33 33 40 32 26 27 18 17 3 30 28 30 33 33 33 41 32 27 26 19 16 4 30 28 30 33 33 33 39 31 27 25 18 18 5 30 28 30 32 33 33 40 30 27 27 19 16 6 30 28 30 32 34 32 44 30 27 25 20 17 7 28 28 31 32 36 33 46 30 28 25 21 17 8 28 28 31 35 37 33 47 30 29 25 21 16 9 30 28 32 37 37 33 47 28 28 25 21 16 10 31 28 31 40 37 33 48 28 28 24 21 17 11 30 28 31 41 35 36 47 26 29 24 22 16 12 30 28 31 40 35 37 47 26 30 25 14 16 13 29 28 31 39 35 39 46 25 29 24 6.1 15 14 28 28 31 39 35 39 47 25 32 24 4.6 15 15 28 28 30 39 35 42 46 23 30 23 3.8 14 16 29 28 30 41 35 44 45 24 31 23 3.2 14 17 30 28 31 42 35 44 44 24 31 23 3.7 14 18 31 28 31 41 35 44 43 24 32 23 4.7 13 19 30 28 32 40 35 46 44 24 33 23 4.6 13 20 30 28 31 41 35 46 43 24 31 23 5.0 12 21 30 28 32 42 35 45 47 24 30 22 5.0 13 22 30 28 32 42 35 44 49 24 30 22 5.0 12 23 30 28 31 42 34 42 47 25 30 21 5.0 12 24 30 28 31 42 33 43 35 26 30 21 7.4 12 25 29 28 31 40 34 42 35 26 30 21 15 12 26 28 28 31 47 33 42 35 27 30 21 16 12 27 28 28 33 48 33 40 35 26 29 21 16 10 28 29 28 31 46 34 42 33 27 29 21 16 11 29 30 28 32 40 33 40 33 27 29 21 16 12 30 30 28 33 33 --- 39 33 27 28 21 16 13 31 30 --- 33 33 --- 38 --- 27 --- 21 17 --- TOTAL 916 840 963 1197 1000 1203 1266 835 877 724 405.1 428 MEAN 29.5 28.0 31.1 38.6 34.5 38.8 42.2 26.9 29.2 23.4 13.1 14.3 MAX 31 28 33 48 37 46 49 33 33 27 22 18 MIN 28 28 29 32 33 32 33 23 26 21 3.2 10 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1984 - 1996, BY WATER YEAR (WY) MEAN 173 173 161 147 152 209 198 176 179 191 164 157 MAX 444 472 449 417 426 454 456 457 433 458 467 463 (WY) 1987 1987 1986 1988 1988 1988 1987 1987 1986 1987 1987 1984 MIN 0.21 0.21 6.40 11.0 32.6 30.2 30.2 26.9 16.5 20.8 13.1 0.28 (WY) 1993 1993 1993 1993 1990 1995 1995 1996 1993 1993 1996 1992 SUMMARY STATISTICS FOR 1995 CALENDAR YEAR FOR 1996 WATER YEAR WATER YEARS 1984 - 1996 ANNUAL TOTAL 10654.1 ANNUAL MEAN 29.1 159 HIGHEST ANNUAL MEAN 372 1985 LOWEST ANNUAL MEAN 22.5 1993 HIGHEST DAILY MEAN 49 Apr 22 497 Mar 16 1984 LOWEST DAILY MEAN 3.2 Aug 16 0.20 Oct 13 1992 ANNUAL SEVEN-DAY MINIMUM 4.2 Aug 14 0.20 Oct 13 1992 MAXIMUM PEAK FLOW 95 Jun 14 554 Oct 2 1985 MAXIMUM PEAK STAGE 2.77 Jun 14 3.45 Oct 2 1985 10 PERCENT EXCEEDS 42 464 50 PERCENT EXCEEDS 30 56 90 PERCENT EXCEEDS 16 28