Water Data Report 1997
03270500 GREAT MIAMI RIVER AT DAYTON, OHIO LOCATION.--Lat 39045'55", long 84011'51", in sec. 10, R.7, T.1, Montgomery County, Hydrologic Unit 05080002, on left bank 1,000 ft downstream from Main Street Bridge in Dayton, 0.7 mi upstream from Wolf Creek, 0.8 mi downstream from Mad River, and at mile 80.0. DRAINAGE AREA.--2,511 mi2. PERIOD OF RECORD.--April to September 1905, January to September 1906, January 1907 to December 1909 (gage heights only), April 1913 to current year. Monthly discharge only for October 1919 to September 1921, published in WSP 1305. Gage-height records collected at Main Street Bridge since January 1892 are contained in reports of National Weather Service. Prior to October 1962, published as Miami River at Dayton. REVISED RECORDS.--WSP 1385: 1917. WSP 1908: Drainage area. GAGE.--Water-stage recorder. Datum of gage is 700.00 ft above sea level as requested by cooperator (699.71 ft adjustment of 1929). Prior to Oct. 1, 1921, nonrecording gage at Main Street Bridge at datum 23.73 ft higher. Oct. 1, 1921, to July 24, 1931, nonrecording gage at Main Street Bridge at datum 21.00 ft higher. REMARKS.--Records good except for periods of estimated record, which are poor. Flood flow regulated by four retarding basins upstream from station beginning in 1920 on Mad River 6.5 mi upstream, on Stillwater River 10.5 mi upstream, on Great Miami River 11.5 mi upstream, and on Loramie Creek 40 mi upstream. Also see REMARKS for stations 03261500, 03261950 and 03269500. Water is diverted 6 mi upstream from station for use in Dayton; much of the flow is diverted to the Little Miami River Basin through the Dayton sewer systems. Sediment data collected at this site. U.S. Army Corps of Engineers satellite telemeter at station. COOPERATION.--Gage-height charts, tapes, and 7 discharge measurements furnished by Miami Conservancy District. EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of Mar. 26, 1913, reached a stage of 29.0 ft, site and datum then in use; discharge, 250,000 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 1080 549 10400 3150 2280 8320 3750 1340 18900 3030 736 543 2 897 557 12300 2840 2010 14600 2960 1500 30500 3910 652 567 3 778 535 6950 2540 1930 14900 2470 5350 27200 3540 643 574 4 699 529 4360 2350 5780 9760 2250 7840 22300 3700 671 483 5 680 521 3290 3490 17800 6350 2250 5180 16300 2400 674 467 6 669 506 2850 5550 14700 12900 2310 3500 12800 1820 625 467 7 645 586 2370 3690 8710 11100 2170 2720 9600 1550 585 439 8 627 743 2140 2610 5450 6750 1950 2410 5110 1410 520 425 9 578 706 1920 2290 4120 5530 1790 2300 3530 1740 501 432 10 560 876 1740 2200 3330 8280 1740 2120 2950 1580 467 683 11 558 761 1610 1620 2730 7270 1640 1980 2760 1460 462 830 12 545 684 5450 1350 2400 5080 1870 1770 2510 1260 471 596 13 547 657 12000 e1200 2140 3970 2420 1620 2220 1120 762 479 14 530 640 8650 e1150 2050 6950 2500 1540 3320 1060 570 463 15 499 625 5600 e1100 2020 10400 2020 1490 2480 1040 566 492 16 472 590 4670 e1500 1820 6160 1810 1370 2330 943 532 472 17 493 589 15700 e1200 1660 4380 1720 1350 2810 882 1250 440 18 768 641 21200 e1100 1640 4100 1690 1230 2250 837 2000 454 19 725 616 15500 e1000 1830 5660 1660 1300 4100 769 1330 454 20 656 626 8560 e940 2240 4980 1530 1370 3670 726 1450 447 21 655 653 5110 e1200 2880 3950 1460 1430 2440 761 1290 460 22 630 659 4210 3050 5970 3370 1410 1300 1940 836 1060 463 23 687 628 3260 9760 4660 2850 1370 1220 1820 1090 918 457 24 642 620 13500 8410 3150 2470 1380 1140 1690 1200 839 465 25 559 885 16600 5040 2490 2310 1360 1110 1520 1060 777 450 26 545 8320 11100 3330 2300 2270 1290 1410 1510 906 702 425 27 554 7970 6030 3100 6920 2100 1250 2250 1480 873 668 406 28 523 4040 4670 7190 11800 1990 1300 1690 1460 1210 638 404 29 539 2630 5290 5320 --- 4710 1270 1460 1330 967 599 401 30 527 2870 4700 3520 --- 6380 1270 1360 1270 844 565 386 31 543 --- 3760 2660 --- 4570 --- 2530 --- 789 568 --- TOTAL 19410 41812 225490 95450 126810 194410 55860 66180 194100 45313 24091 14524 MEAN 626 1394 7274 3079 4529 6271 1862 2135 6470 1462 777 484 MAX 1080 8320 21200 9760 17800 14900 3750 7840 30500 3910 2000 830 MIN 472 506 1610 940 1640 1990 1250 1110 1270 726 462 386 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1930 - 1997, BY WATER YEAR (WY) MEAN 707 1357 2190 3299 3447 4156 3910 2717 2195 1488 941 606 MAX 5792 8047 9210 17060 9842 11060 9727 11030 12150 7510 5727 2862 (WY) 1987 1973 1991 1937 1950 1963 1964 1996 1958 1993 1979 1979 MIN 148 195 239 263 314 557 852 373 259 216 196 165 (WY) 1964 1964 1964 1945 1964 1941 1971 1941 1988 1954 1988 1963 SUMMARY STATISTICS FOR 1996 CALENDAR YEAR FOR 1997 WATER YEAR WATER YEARS 1930 - 1997 ANNUAL TOTAL 1520328 1103450 ANNUAL MEAN 4154 3023 2245 HIGHEST ANNUAL MEAN 4156 1973 LOWEST ANNUAL MEAN 634 1954 HIGHEST DAILY MEAN 29800 Apr 30 30500 Jun 2 57100 Jan 22 1959 LOWEST DAILY MEAN 426 Sep 3 386 Sep 30 109 Aug 8 1934 ANNUAL SEVEN-DAY MINIMUM 451 Sep 2 420 Sep 24 118 Sep 25 1941 INSTANTANEOUS PEAK FLOW 32000 Jun 2 60900 Jan 22 1959 INSTANTANEOUS PEAK STAGE 31.79 Jun 2 36.00 Jan 22 1959 INSTANTANEOUS LOW FLOW 386 Sep 30 109 Aug 8 1934 10 PERCENT EXCEEDS 11900 7220 5140 50 PERCENT EXCEEDS 1940 1550 1020 90 PERCENT EXCEEDS 553 528 313 e Estimated.
U.S. Department of the Interior |
U.S. Geological Survey
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