U.S. Geological Survey
Water Resources Data - Ohio, Water Year 97, Vol. 2 | Rocky River Basin

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                                      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.


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