Water Data Report 1997
03228300 BIG WALNUT CREEK AT SUNBURY, OHIO LOCATION.--Lat 40014'10", long 82051'05", Delaware County, Hydrologic Unit 05060001, on left bank 200 ft downstream from bridge on State Highway 37, 0.1 mi downstream from Rattlesnake Creek, 0.6 mi east of Sunbury, and 0.9 mi upstream from Prairie Run. DRAINAGE AREA.--101 mi2. PERIOD OF RECORD.--October 1988 to current year. GAGE.--Water-stage recorder. Datum of gage is 945 ft above sea level, from topographic map. REMARKS.--Records good except for periods of estimated record, which are poor. 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 12 3.1 979 64 68 129 63 34 4790 33 7.9 4.8 2 5.7 2.2 455 60 57 1220 48 34 2360 28 4.7 3.9 3 2.4 2.2 157 57 60 361 42 331 443 57 3.5 2.6 4 1.4 3.0 99 54 796 197 38 250 242 20 4.9 1.9 5 .90 3.0 76 161 1270 166 38 120 149 12 7.1 1.7 6 .68 3.0 74 137 300 719 46 96 97 8.3 3.1 1.5 7 .38 3.7 77 76 160 219 39 72 70 6.4 2.8 1.3 8 .18 8.6 67 52 118 138 31 76 56 5.3 2.8 1.1 9 .98 12 53 e41 92 123 27 217 46 4.9 2.2 1.1 10 1.4 14 43 e34 83 720 25 110 37 4.7 1.8 28 11 1.2 19 136 e27 71 224 26 76 30 4.4 1.6 41 12 1.1 15 665 e22 63 126 35 61 26 3.4 1.8 26 13 1.1 12 269 e20 53 94 74 49 25 2.8 4.8 15 14 1.0 9.5 138 e18 56 923 55 42 25 2.6 4.5 7.5 15 .89 8.0 97 e17 49 409 42 46 20 2.8 8.9 4.8 16 .89 7.2 83 e16 44 153 37 41 119 2.1 30 3.4 17 .89 7.2 1350 e15 59 112 41 34 485 1.7 988 2.4 18 1.7 9.0 604 e14 41 103 40 35 143 1.5 385 1.5 19 2.8 16 194 e13 122 149 35 201 122 4.5 128 .46 20 4.1 19 111 e12 198 114 31 131 206 3.0 91 .34 21 7.4 15 114 e30 256 92 28 65 71 1.6 105 .22 22 5.7 12 68 e100 189 77 27 46 41 1.2 168 .31 23 4.3 10 85 376 107 62 25 36 29 1.3 80 .37 24 2.6 9.2 1480 153 77 52 23 30 21 1.3 43 .25 25 3.1 14 378 546 61 49 23 211 16 1.5 33 .18 26 5.6 448 145 200 62 71 26 896 13 1.4 26 .17 27 4.7 190 106 233 293 69 27 172 10 609 17 .10 28 3.6 81 106 840 190 57 35 91 7.0 461 13 .08 29 2.7 51 119 261 --- 75 40 65 5.5 95 10 .29 30 2.8 94 92 178 --- 67 34 72 7.5 37 7.5 .82 31 2.8 --- 75 98 --- 75 --- 539 --- 16 6.1 --- TOTAL 86.99 1100.9 8495 3925 4995 7145 1101 4279 9712.0 1434.7 2193.0 153.09 MEAN 2.81 36.7 274 127 178 230 36.7 138 324 46.3 70.7 5.10 MAX 12 448 1480 840 1270 1220 74 896 4790 609 988 41 MIN .18 2.2 43 12 41 49 23 30 5.5 1.2 1.6 .08 CFSM .03 .36 2.71 1.25 1.77 2.28 .36 1.37 3.21 .46 .70 .05 IN. .03 .41 3.13 1.45 1.84 2.63 .41 1.58 3.58 .53 .81 .06 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1989 - 1997, BY WATER YEAR (WY) MEAN 17.0 85.6 147 204 173 186 188 165 165 116 35.9 9.86 MAX 81.2 256 585 426 424 354 334 398 338 348 167 56.4 (WY) 1991 1993 1991 1996 1990 1993 1996 1996 1989 1992 1995 1992 MIN .002 .051 .72 16.4 46.0 46.0 36.7 21.8 2.88 .15 .007 .006 (WY) 1992 1992 1992 1992 1992 1990 1997 1991 1991 1991 1991 1991 SUMMARY STATISTICS FOR 1996 CALENDAR YEAR FOR 1997 WATER YEAR WATER YEARS 1989 - 1997 ANNUAL TOTAL 62026.59 44620.68 ANNUAL MEAN 169 122 124 HIGHEST ANNUAL MEAN 159 1996 LOWEST ANNUAL MEAN 67.4 1992 HIGHEST DAILY MEAN 2300 May 11 4790 Jun 1 4790 Jun 1 1997 LOWEST DAILY MEAN .00 Aug 30 .08 Sep 28 .00 Jul 24 1991 ANNUAL SEVEN-DAY MINIMUM .00 Aug 30 .21 Sep 23 .00 Jul 24 1991 INSTANTANEOUS PEAK FLOW 6700 Jun 1 6700 Jun 1 1997 INSTANTANEOUS PEAK STAGE 11.20 Jun 1 11.86 Dec 20 1990 INSTANTANEOUS LOW FLOW .08 Sep 27 .00 Jul 24 1991 ANNUAL RUNOFF (CFSM) 1.68 1.21 1.23 ANNUAL RUNOFF (INCHES) 22.85 16.43 16.71 10 PERCENT EXCEEDS 402 245 300 50 PERCENT EXCEEDS 44 37 33 90 PERCENT EXCEEDS .67 1.5 .45 e Estimated.