Water Data Report 1997
04189000 BLANCHARD RIVER NEAR FINDLAY, OHIO
LOCATION.--Lat 41003'21", long 83041'17", on east line of sec. 10, T.1 N., R.10 E., Hancock County, Hydrologic Unit
04100008, on left bank at upstream side of county road bridge, 2 mi west of Findlay, 3 mi downstream from Eagle
Creek, and 3 mi upstream from Aurand Run.
DRAINAGE AREA.--346 mi2.
PERIOD OF RECORD.--October 1923 to December 1935, October 1940 to current year. Monthly discharge only for
October 1923, published in WSP 1307.
REVISED RECORDS.--WSP 974: 1942. WSP 1054: 1927-30, 1933(M), 1945. WSP 1387: 1926, 1928(M), 1930(M), 1952. WSP 1912:
Drainage area. WRD-OH-81-2: 1959, 1975 (M).
GAGE.--Water-stage recorder. Datum of gage is 754.55 ft above sea level. Prior to July 24, 1930, nonrecording gage
at same site and datum.
REMARKS.--Records good except for periods of estimated record and Oct.1-Nov.1, which are poor. Water is diverted
upstream from station into Findlay Reservoir. Storage in Findlay Reservoir used for water supply of city of
Findlay, and is available for low-flow augmentation. All water returns to stream upstream from station. Water-
quality and sediment data collected at this site.
REVISIONS.--The maximum discharge for water year 1996 has been revised to 6,090 ft3/s, Jan. 20, 1996, gage height,
12.31 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 53 14 267 365 298 2870 299 68 6220 450 69 50
2 41 9.4 732 337 283 2400 220 70 8970 626 64 66
3 30 8.7 373 323 360 1970 188 268 5320 261 55 65
4 26 8.9 176 306 1110 817 169 338 2040 176 70 50
5 25 8.4 125 671 3470 585 218 293 709 135 66 49
6 23 8.2 109 615 2620 1250 288 282 464 108 93 52
7 27 26 91 350 693 1120 236 206 343 102 77 38
8 27 30 79 e230 346 627 157 173 266 91 58 39
9 31 17 75 e190 233 495 121 170 219 4550 55 45
10 32 15 63 e160 199 1060 100 187 188 6140 53 92
11 25 17 274 e150 170 806 91 159 167 1610 55 92
12 22 21 1960 e130 155 428 340 127 164 451 80 67
13 20 26 3390 e120 113 321 673 97 245 279 605 52
14 22 26 2620 e110 118 1920 395 81 192 203 358 45
15 28 23 889 e100 128 1990 260 70 140 213 181 41
16 27 21 458 e130 104 660 215 58 120 156 207 41
17 28 22 2680 131 91 407 188 69 109 119 2040 49
18 51 23 3630 125 183 337 160 79 168 96 2130 37
19 29 21 2480 116 778 293 138 745 326 88 1360 39
20 20 20 610 117 660 268 119 949 244 88 425 334
21 22 20 371 129 1160 242 106 371 166 85 236 280
22 22 21 358 610 1780 219 95 203 387 184 165 127
23 35 20 349 1410 771 182 84 144 235 222 142 79
24 29 20 1080 910 432 156 78 136 157 203 163 62
25 23 72 1410 580 320 181 69 3960 158 138 403 57
26 19 179 566 317 305 214 88 6860 1750 106 245 52
27 18 473 386 392 5150 195 90 3250 1540 103 160 49
28 19 194 318 e640 5950 178 89 813 434 135 111 47
29 21 102 397 e450 --- 296 71 501 247 137 79 41
30 56 106 515 e350 --- 546 68 482 217 106 60 44
31 19 --- 433 322 --- 419 --- 1620 --- 82 53 ---
TOTAL 870 1572.6 27264 10886 27980 23452 5413 22829 31905 17443 9918 2181
MEAN 28.1 52.4 879 351 999 757 180 736 1064 563 320 72.7
MAX 56 473 3630 1410 5950 2870 673 6860 8970 6140 2130 334
MIN 18 8.2 63 100 91 156 68 58 109 82 53 37
CFSM .08 .15 2.54 1.01 2.89 2.19 .52 2.13 3.07 1.63 .92 .21
IN. .09 .17 2.93 1.17 3.01 2.52 .58 2.45 3.43 1.88 1.07 .23
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1924 - 1997, BY WATER YEAR (WY)
MEAN 63.4 159 289 369 425 561 459 276 229 133 59.4 88.5
MAX 623 1435 1482 1800 1402 1814 1588 865 1612 1075 474 944
(WY) 1927 1973 1991 1930 1959 1978 1957 1969 1981 1992 1979 1926
MIN 2.43 3.67 4.28 6.54 9.86 60.1 33.3 22.1 18.3 4.27 1.24 1.62
(WY) 1935 1935 1935 1945 1964 1941 1925 1925 1988 1934 1934 1934
SUMMARY STATISTICS FOR 1996 CALENDAR YEAR FOR 1997 WATER YEAR WATER YEARS 1924 - 1997
ANNUAL TOTAL 118616.6 181713.6
ANNUAL MEAN 324 498 259
HIGHEST ANNUAL MEAN 571 1973
LOWEST ANNUAL MEAN 57.5 1931
HIGHEST DAILY MEAN 4700 Jan 19 8970 Jun 2 12000 Jun 14 1981
LOWEST DAILY MEAN 8.2 Nov 6 8.2 Nov 6 .40 Aug 27 1934
ANNUAL SEVEN-DAY MINIMUM 11 Oct 31 11 Oct 31 .56 Aug 25 1934
INSTANTANEOUS PEAK FLOW 9630 Jun 2 a 13000 Jun 14 1981
INSTANTANEOUS PEAK STAGE 15.42 Jun 2 17.43 Jun 14 1981
INSTANTANEOUS LOW FLOW 8.2 Nov 6 .40 Aug 27 1934
ANNUAL RUNOFF (CFSM) .94 1.44 .75
ANNUAL RUNOFF (INCHES) 12.75 19.54 10.17
10 PERCENT EXCEEDS 1000 1140 619
50 PERCENT EXCEEDS 70 165 58
90 PERCENT EXCEEDS 16 26 9.2
a Peaks above base shown in table of peak discharges and stages at continuous-record surface-water-discharge stations.
e Estimated.
U.S. Department of the Interior |
U.S. Geological Survey
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