Water Data Report 1997
03232500 ROCKY FORK NEAR BARRETTS MILLS, OHIO LOCATION.--Lat 39013'06", long 83023'08", Highland County, Hydrologic Unit 05060003, on left bank at downstream side of highway bridge, 1.1 mi north of Barretts Mills, 2 mi east of Rainsboro, 2.8 mi upstream from mouth, and 6 mi downstream from Rocky Fork Lake. DRAINAGE AREA.--140 mi2. PERIOD OF RECORD.--October 1939 to current year. REVISED RECORDS.--WSP 1908: Drainage area. GAGE.--Water-stage recorder. Datum of gage is 770.8 ft above sea level (levels by U.S. Army Corps of Engineers.) Prior to Feb. 15, 1940, nonrecording gage at same site and datum. REMARKS.--Records fair except for periods of estimated record, which are poor. Flow regulated by Rocky Fork Lake 6 mi upstream, since 1952, capacity, 34,100 acre-ft. Water-quality data collected at this site. U.S. Army Corps of Engineers satellite telemeter at station. EXTREMES FOR PERIOD OF RECORD.--Maximum gage height, 15.56 ft Mar. 6, 1945. REVISIONS.--The maximum discharge for the water year 1995 has been revised to 3,700 ft3/s, May 18, 1995, gage height 9.01 ft. 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 1 127 18 e960 89 e56 3070 184 34 2570 1550 6.8 11 2 85 17 319 83 e50 e5980 174 30 1670 758 6.7 10 3 58 16 77 79 e72 2470 157 154 387 1010 6.9 12 4 47 15 92 75 1290 1180 136 182 131 52 7.2 11 5 32 15 49 168 1870 730 131 132 132 e60 7.2 9.8 6 25 15 61 152 411 600 137 104 122 e49 6.6 9.0 7 22 22 61 118 267 128 112 81 108 e43 6.3 9.7 8 19 127 41 92 167 172 89 110 114 e39 6.3 9.3 9 18 177 27 94 e130 210 76 224 111 e36 6.4 9.7 10 22 160 29 93 e100 515 65 179 98 e33 6.5 11 11 18 83 91 e41 e82 403 61 134 89 32 6.8 11 12 69 50 134 e30 e68 262 129 96 81 28 7.0 11 13 98 42 185 e25 e56 409 69 78 74 25 11 9.8 14 50 37 160 e22 e50 573 62 65 54 23 12 9.9 15 9.6 31 132 e20 e45 227 58 57 35 20 14 7.2 16 10 27 124 e19 e41 e170 56 43 35 17 16 6.9 17 12 26 1940 e18 e37 e230 55 37 414 15 32 6.2 18 17 39 1210 e17 e35 e307 50 35 568 13 87 3.6 19 27 56 189 e16 e56 820 45 61 465 12 77 4.0 20 62 53 154 e16 e80 444 42 93 291 10 70 6.5 21 52 45 107 e15 237 150 47 72 53 8.9 57 e16 22 11 42 109 e20 57 165 52 53 46 9.3 38 e13 23 13 39 104 e50 51 155 48 42 39 9.9 27 e11 24 14 42 501 318 51 128 45 36 34 20 21 e9.0 25 13 40 361 837 50 144 42 45 35 22 18 e7.2 26 14 153 95 341 56 291 73 61 24 18 16 e6.0 27 17 e340 103 526 87 251 96 55 18 16 14 e5.2 28 17 e250 110 1300 79 219 23 44 16 15 14 e4.7 29 16 e140 115 229 --- 635 23 41 39 13 14 4.3 30 16 e190 102 80 --- 369 25 37 47 9.9 12 3.5 31 21 --- 94 e64 --- 193 --- 148 --- 7.6 11 --- TOTAL 1031.6 2307 7836 5047 5631 21600 2362 2563 7900 3974.6 641.7 258.5 MEAN 33.3 76.9 253 163 201 697 78.7 82.7 263 128 20.7 8.62 MAX 127 340 1940 1300 1870 5980 184 224 2570 1550 87 16 MIN 9.6 15 27 15 35 128 23 30 16 7.6 6.3 3.5 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1952 - 1997, BY WATER YEAR (WY) MEAN 55.5 104 171 184 245 299 260 210 108 78.1 58.4 62.1 MAX 263 514 631 535 663 1024 627 810 365 379 307 542 (WY) 1991 1973 1991 1952 1956 1963 1970 1968 1957 1954 1958 1965 MIN 1.95 3.97 6.16 13.4 11.3 17.2 24.2 33.2 6.22 3.69 4.95 1.88 (WY) 1965 1964 1954 1977 1954 1983 1971 1976 1988 1964 1986 1964 SUMMARY STATISTICS FOR 1996 CALENDAR YEAR FOR 1997 WATER YEAR WATER YEARS 1952 - 1997 ANNUAL TOTAL 87225.8 61152.4 ANNUAL MEAN 238 168 154 HIGHEST ANNUAL MEAN 259 1979 LOWEST ANNUAL MEAN 56.5 1953 HIGHEST DAILY MEAN 3040 May 5 5980 Mar 2 9520 Mar 10 1964 LOWEST DAILY MEAN 9.0 Sep 10 3.5 Sep 30 .50 Oct 6 1964 ANNUAL SEVEN-DAY MINIMUM 9.5 Sep 6 5.7 Sep 24 .69 Oct 6 1964 INSTANTANEOUS PEAK FLOW 7320 Mar 2 e 13400 Mar 10 1964 INSTANTANEOUS PEAK STAGE 12.59 Mar 2 e 15.56 Mar 6 1945 INSTANTANEOUS LOW FLOW 3.5 Sep 30 .40 Oct 6 1964 10 PERCENT EXCEEDS 516 327 350 50 PERCENT EXCEEDS 91 51 61 90 PERCENT EXCEEDS 14 9.9 8.7 e Estimated.
