Water Data Report 1997
03247500 EAST FORK LITTLE MIAMI RIVER AT PERINTOWN, OHIO LOCATION.--Lat 39008'13",long 84014'17", Clermont County, Hydrologic Unit 05090202, on right bank at upstream wingwall of highway bridge at Perintown, 0.2 mi downstream from Sugarcamp Run, 5 mi upstream from mouth, and at mile 6.4. DRAINAGE AREA.--476 mi2. PERIOD OF RECORD.--May 1915 to September 1917, October 1917 to May 1920 (gage heights only), January 1925 to current year. GAGE.--Water-stage recorder. Datum of gage is 507.03 ft above sea level. Prior to Feb. 6, 1940, nonrecording gage at same site and datum. REMARKS.--Records fair. Occasional regulation by Stonelick Lake 14 mi upstream. Surface area at spillway level, 171 acres. Flow regulated by William H. Harsha Reservoir, formerly East Fork Lake, since 1977. Water-quality data collected at this site. U.S. Army Corps of Engineers satellite telemeter at station. EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 42,400 ft3/s Mar. 10, 1964, gage height, 23.84 ft; minimum daily, 0.4 ft3/s July 24, 1930, Sept. 11, 12, 23, 1939; minimum gage height, -0.18 ft Oct. 3-7, 1917. Maximum discharge since start of construction of East Fork Dam, 23,200 ft3/s Aug. 30, 1974, gage height, 19.52 ft, result of failure of cofferdam. 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 1 935 70 2510 283 372 3980 1410 80 5880 590 42 43 2 812 68 1760 215 342 5690 956 105 1810 443 42 38 3 518 67 3030 205 350 1520 233 1250 3770 220 42 39 4 511 67 2060 227 3040 1130 215 556 4090 256 42 37 5 509 69 746 647 2560 1020 243 193 3770 453 42 36 6 505 72 637 775 3950 1010 275 142 2090 360 41 36 7 508 135 380 813 3680 739 245 108 467 122 41 37 8 505 353 355 371 2530 684 218 484 756 72 42 41 9 507 251 312 e120 925 940 175 639 2470 60 45 47 10 501 353 183 e110 605 1530 154 200 1550 55 43 48 11 497 264 185 e94 296 2280 101 131 1150 54 44 47 12 495 140 316 e86 312 4240 351 107 392 53 45 44 13 496 152 387 e78 330 2990 168 92 313 52 143 37 14 494 123 482 e70 360 2680 126 84 217 52 75 44 15 417 112 565 e68 380 4320 108 79 154 52 80 43 16 220 111 511 e67 389 4170 101 71 2650 51 73 43 17 100 113 4390 e66 402 3910 92 69 3120 49 113 42 18 271 127 4500 e66 331 2650 83 68 6360 49 418 202 19 257 124 4320 e65 271 2400 80 67 2390 48 84 45 20 147 119 2540 e64 213 4040 78 69 3880 49 90 44 21 130 116 814 e64 294 4020 96 62 3760 49 73 42 22 130 128 298 e150 245 3940 103 58 3690 49 55 42 23 136 118 452 342 279 3610 87 56 3500 51 49 42 24 137 114 2600 716 260 2930 81 55 2800 52 47 43 25 132 281 2430 1460 212 1930 75 137 1990 55 48 43 26 135 1350 1660 1320 200 1340 72 369 735 49 49 43 27 143 1730 502 2460 246 1270 71 137 349 49 49 42 28 95 883 418 3880 278 807 83 88 137 49 54 42 29 86 519 436 3660 --- 1330 77 93 343 52 51 42 30 86 896 383 2250 --- 987 72 101 378 44 48 42 31 74 --- 356 1130 --- 1310 --- 1850 --- 42 48 --- TOTAL 10489 9025 40518 21922 23652 75397 6229 7600 64961 3681 2158 1416 MEAN 338 301 1307 707 845 2432 208 245 2165 119 69.6 47.2 MAX 935 1730 4500 3880 3950 5690 1410 1850 6360 590 418 202 MIN 74 67 183 64 200 684 71 55 137 42 41 36 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1977 - 1997, BY WATER YEAR (WY) MEAN 262 421 736 783 1005 1132 909 969 499 243 192 215 MAX 980 1446 2108 1637 2162 2432 1738 3657 2165 947 1220 1869 (WY) 1984 1986 1991 1991 1990 1997 1989 1996 1997 1980 1979 1979 MIN 18.5 49.3 54.1 15.3 168 138 73.5 48.4 35.6 32.4 38.6 30.1 (WY) 1983 1988 1977 1977 1987 1983 1986 1988 1988 1984 1987 1983 SUMMARY STATISTICS FOR 1996 CALENDAR YEAR FOR 1997 WATER YEAR WATER YEARS 1977 - 1997 ANNUAL TOTAL 414112 267048 ANNUAL MEAN 1131 732 612 HIGHEST ANNUAL MEAN 1058 1996 LOWEST ANNUAL MEAN 266 1977 HIGHEST DAILY MEAN 9750 May 15 6360 Jun 18 10800 Sep 14 1979 LOWEST DAILY MEAN 42 Sep 2 36 Sep 5 14 Jan 21 1977 ANNUAL SEVEN-DAY MINIMUM 42 Sep 2 38 Sep 2 14 Jan 28 1977 INSTANTANEOUS PEAK FLOW 15800 Jun 18 29000 Sep 14 1979 INSTANTANEOUS PEAK STAGE 16.31 Jun 18 21.00 Sep 14 1979 INSTANTANEOUS LOW FLOW 36 Sep 5 14 Jan 21 1977 10 PERCENT EXCEEDS 3800 2580 2060 50 PERCENT EXCEEDS 418 202 159 90 PERCENT EXCEEDS 51 44 37 e Estimated.