Water Data Report 1997
04201500 ROCKY RIVER NEAR BEREA, OHIO
LOCATION.--Lat 41024'24", long 81053'14", in T.6 N., R.15 W., Cuyahoga County, Hydrologic Unit 04110001, on right bank
at downstream side of Cedar Point Road Bridge in Rocky River Reservation, just downstream from confluence of East
and West Branches, and 3.0 mi northwest of Berea.
DRAINAGE AREA.--267 mi2.
PERIOD OF RECORD.--October 1923 to September 1935, September 1943 to current year. Monthly discharge only for
October 1923, published in WSP 1307.
REVISED RECORDS.--WSP 1437: 1924, 1925(M), 1926, 1927(M), 1928-29, 1930-35(M), 1945. WSP 1912: Drainage area.
WDR-OH-2-1983: 1978-1982(M).
GAGE.--Water-stage recorder. Datum of gage is 649.90 ft above sea level (Cuyahoga County benchmark). Prior to
Sept. 30, 1935, nonrecording gage at same site and datum.
REMARKS.--Records good except for periods of estimated record, which are poor. Some regulation at low flow by small
reservoirs on East Branch. Some interbasin transfer of water from Lake Erie for municipal water supply by Cleveland
Metro Water District. Water-quality and sediment data collected at this site.
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood in March 1913 reached a stage of 20.9 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
1 220 339 3130 209 e160 594 457 186 8030 219 28 37
2 148 234 1700 222 e140 2180 284 187 4890 192 28 30
3 104 200 568 263 e130 946 229 662 1830 82 28 86
4 85 174 435 231 e500 492 196 1440 1120 54 37 41
5 70 142 355 453 2480 424 195 474 454 45 41 35
6 62 124 323 518 660 1550 237 729 286 36 39 29
7 55 120 287 253 356 864 188 410 206 34 29 25
8 55 591 229 168 e220 690 143 259 171 32 25 23
9 91 1330 217 179 e190 484 127 321 140 134 23 61
10 243 1930 209 159 e160 1190 117 429 114 103 18 150
11 248 1070 1800 379 e150 625 107 534 98 57 23 113
12 151 580 5210 e210 e130 366 1570 294 95 42 25 78
13 97 431 1250 e170 e120 279 2260 220 136 33 173 62
14 72 348 557 e150 e110 2100 610 175 166 31 103 50
15 61 288 366 e130 e105 1370 338 183 105 28 89 42
16 59 260 383 e170 e100 445 258 222 75 27 506 35
17 54 402 3680 e140 e100 315 431 182 90 26 1380 32
18 1070 1030 1660 e120 e210 281 428 318 80 25 713 34
19 4240 558 531 e110 1440 292 312 981 122 24 201 37
20 2990 320 e250 e100 1130 243 214 639 99 20 100 3340
21 1510 233 e180 e94 715 216 178 282 73 19 88 718
22 1010 189 e160 e250 575 301 185 183 191 25 736 225
23 666 161 e240 e450 320 266 177 145 72 24 276 145
24 600 142 3100 e800 222 221 274 116 51 23 213 112
25 359 404 965 e500 181 370 259 2390 50 23 348 83
26 246 4630 380 e350 183 1150 171 2890 408 35 205 63
27 186 1350 306 e250 6250 502 137 540 192 45 111 54
28 167 534 314 1620 1690 314 357 285 82 43 75 47
29 175 372 443 e400 --- 423 318 249 56 47 60 40
30 1590 748 314 e250 --- 513 196 309 42 35 52 48
31 885 --- 245 e180 --- 825 --- 862 --- 29 45 ---
TOTAL 17569 19234 29787 9478 18727 20831 10953 17096 19524 1592 5818 5875
MEAN 567 641 961 306 669 672 365 551 651 51.4 188 196
MAX 4240 4630 5210 1620 6250 2180 2260 2890 8030 219 1380 3340
MIN 54 120 160 94 100 216 107 116 42 19 18 23
CFSM 2.12 2.40 3.60 1.15 2.50 2.52 1.37 2.07 2.44 .19 .70 .73
IN. 2.45 2.68 4.15 1.32 2.61 2.90 1.53 2.38 2.72 .22 .81 .82
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1924 - 1997, BY WATER YEAR (WY)
MEAN 95.2 225 348 410 475 599 501 297 178 115 74.7 106
MAX 935 1080 1534 1398 1245 1253 1374 845 911 887 553 820
(WY) 1927 1986 1991 1930 1959 1984 1961 1984 1947 1992 1935 1924
MIN 1.25 9.14 8.15 32.4 17.0 141 40.9 17.6 10.1 4.25 .90 .94
(WY) 1934 1964 1964 1945 1934 1969 1946 1934 1933 1954 1933 1933
SUMMARY STATISTICS FOR 1996 CALENDAR YEAR FOR 1997 WATER YEAR WATER YEARS 1924 - 1997
ANNUAL TOTAL 202512 176484
ANNUAL MEAN 553 484 284
HIGHEST ANNUAL MEAN 484 1997
LOWEST ANNUAL MEAN 79.5 1934
HIGHEST DAILY MEAN 6160 Jan 19 8030 Jun 1 14300 Jan 22 1959
LOWEST DAILY MEAN 11 Sep 3 18 Aug 10 .20 Sep 2 1932
ANNUAL SEVEN-DAY MINIMUM 13 Aug 30 23 Jul 19 .27 Aug 21 1933
INSTANTANEOUS PEAK FLOW 9930 Jun 1 a 21400 Jan 22 1959
INSTANTANEOUS PEAK STAGE 7.12 Jun 1 18.60 Jun 29 1924
INSTANTANEOUS LOW FLOW 18 Aug 10 .20 Sep 2 1932
ANNUAL RUNOFF (CFSM) 2.07 1.81 1.06
ANNUAL RUNOFF (INCHES) 28.22 24.59 14.46
10 PERCENT EXCEEDS 1240 1170 660
50 PERCENT EXCEEDS 242 210 83
90 PERCENT EXCEEDS 33 37 10
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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