Water Data Report 1997
03270000 MAD RIVER NEAR DAYTON, OHIO LOCATION.--Lat 39047'50", long 84005'19", in SW 1/4 sec. 7, R. 8, T.2, Green County, Hydrologic Unit 05080001, on left bank in retarding basin 300 ft upstream from Huffman Dam, 2.3 mi downstream from Mud Run, 6.2 mi northeast of Dayton and at mile 6.1. Water-quality sampling site was on left bank 900 ft downstream. DRAINAGE AREA.--635 mi2. PERIOD OF RECORD.--October 1914 to current year. Monthly discharge only for some periods, published in WSP 1305. REVISED RECORDS.--WSP 453: 1915. WSP 743: 1929-32. WSP 1305: 1916(M), 1925(M) 1930-32(M). WSP 1908: Drainage area. WDR-OH-82-1: 1980. GAGE.--Water-stage recorder. Datum of gage is 777.06 ft above sea level. Jan. 21, 1959, to Dec. 14, 1967, at site 900 ft downstream, at datum 77.01 ft lower. See WSP 1725 for history of changes prior to Jan. 21, 1959. Water- quality data collected at this site 1947-1948, 1962-1963, 1966-1980. REMARKS.--Records goodt except for periods of estimated record, which are poor. Flood flows affected by backwater from Huffman retarding dam beginning in 1921, some regulation by C. J. Brown Reservoir 26 mi upstream on Buck Creek since 1974. Also see REMARKS for station 03269500. COOPERATION.--Gage-height tapes and 8 discharge measurements furnished by Miami Conservancy District. EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 21,200 ft3/s Jan. 22, 1959 (based on Huffman retarding basin outflow records); maximum gage height, 87.9 ft Feb. 26, 1929, at site and datum then in use; minimum daily discharge, 94 ft3/s Aug. 6, 1934, but may have been less during period 1921-24. EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of March 25, 1913, reached a stage of 14.0 ft, original site and datum; discharge 75,700 ft3/s, computed by Miami Conservancy District. 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 1 574 334 2900 835 669 942 680 541 4760 1190 366 322 2 525 331 1950 801 630 3550 644 585 7120 820 338 331 3 498 325 1290 700 621 2070 625 2290 3900 815 334 331 4 459 325 1050 669 1940 1570 611 1790 2500 701 405 309 5 465 325 954 976 3630 1310 665 1200 2130 642 377 299 6 456 327 935 957 1930 1550 681 1030 1840 608 342 290 7 449 357 753 777 e1350 1270 612 883 1360 591 342 282 8 436 436 689 e680 1120 1110 573 874 1240 580 334 273 9 385 380 639 e610 999 1060 557 919 1170 742 325 280 10 375 370 594 e580 929 1660 551 821 1090 658 315 364 11 370 350 582 e560 842 1470 552 753 1220 570 311 325 12 363 346 697 e540 805 1180 685 691 1140 529 329 294 13 357 362 773 e530 751 1050 694 657 891 503 470 283 14 352 361 679 e520 741 1880 618 654 919 488 365 281 15 352 358 608 e510 722 1760 577 663 796 490 367 285 16 318 338 691 e500 683 1250 562 588 838 468 344 284 17 340 331 3630 e540 657 1120 561 556 1440 453 702 281 18 499 364 2730 e1000 657 1230 552 533 1060 440 1320 293 19 471 337 1440 e740 756 1460 536 592 1000 423 631 285 20 428 341 1170 e560 826 1230 527 598 1110 417 788 288 21 417 375 1240 e490 892 1100 520 559 886 411 784 303 22 407 384 1180 1230 920 1010 516 534 740 459 541 316 23 440 346 815 1710 795 914 505 533 696 672 469 316 24 418 333 3100 e1000 738 859 501 506 678 568 426 320 25 341 435 e1800 e600 705 824 496 504 656 466 411 320 26 318 2260 e1300 e620 709 821 471 584 666 431 397 314 27 334 1350 1090 892 1010 700 465 552 635 423 382 308 28 317 910 1040 1950 1050 670 501 498 595 524 364 307 29 330 754 1050 1020 --- 787 479 502 578 457 353 302 30 335 1010 958 e800 --- 795 462 507 583 408 342 298 31 333 --- 899 723 --- 744 --- 823 --- 393 333 --- TOTAL 12462 15155 39226 24620 28077 38946 16979 23320 44237 17340 13907 9084 MEAN 402 505 1265 794 1003 1256 566 752 1475 559 449 303 MAX 574 2260 3630 1950 3630 3550 694 2290 7120 1190 1320 364 MIN 317 325 582 490 621 670 462 498 578 393 311 273 CFSM .63 .80 1.99 1.25 1.58 1.98 .89 1.18 2.32 .88 .71 .48 IN. .73 .89 2.30 1.44 1.64 2.28 .99 1.37 2.59 1.02 .81 .53 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1974 - 1997, BY WATER YEAR (WY) MEAN 438 549 730 769 908 969 939 893 760 634 457 404 MAX 1425 1175 2027 1559 1839 1637 1561 2885 1745 1525 1235 1528 (WY) 1987 1986 1991 1991 1975 1978 1996 1996 1981 1993 1979 1979 MIN 216 235 236 239 287 344 444 268 192 211 172 217 (WY) 1989 1995 1977 1977 1992 1983 1976 1988 1988 1988 1988 1987 SUMMARY STATISTICS FOR 1996 CALENDAR YEAR FOR 1997 WATER YEAR WATER YEARS 1974 - 1997 ANNUAL TOTAL 402974 283353 ANNUAL MEAN 1101 776 703 HIGHEST ANNUAL MEAN 1029 1996 LOWEST ANNUAL MEAN 336 1988 HIGHEST DAILY MEAN 8510 Apr 30 7120 Jun 2 10300 Feb 24 1975 LOWEST DAILY MEAN 298 Sep 13 273 Sep 8 112 Jul 17 1988 ANNUAL SEVEN-DAY MINIMUM 305 Sep 8 285 Sep 13 124 Jul 11 1988 INSTANTANEOUS PEAK FLOW 7450 Jun 2 11400 Feb 24 1975 INSTANTANEOUS PEAK STAGE 14.55 Jun 2 19.01 Feb 24 1975 INSTANTANEOUS LOW FLOW 273 Sep 8 112 Jul 17 1988 ANNUAL RUNOFF (CFSM) 1.73 1.22 1.11 ANNUAL RUNOFF (INCHES) 23.61 16.60 15.04 10 PERCENT EXCEEDS 2540 1300 1310 50 PERCENT EXCEEDS 707 592 501 90 PERCENT EXCEEDS 334 326 259 e Estimated.
U.S. Department of the Interior |
U.S. Geological Survey
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