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

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				      04213000 CONNEAUT CREEK AT CONNEAUT, OHIO

LOCATION.--Lat 41055'37", long 80036'15", Ashtabula County, Hydrologic Unit 04120101, on right bank at downstream   
side of Keefus Road bridge at Conneaut, and 6.4 mi upstream from mouth.
DRAINAGE AREA.--175 mi2.
PERIOD OF RECORD.--July 1922 to December 1935, March 1950 to September 1961 (published as "at Amboy"), October 1961   
to current year.
REVISED RECORDS.--WSP 714: 1926. WSP 784: 1933. WSP 1437: 1923-25(M), 1926-30, 1931-32(M), 1933, 1935(M). WSP 1912: 
Drainage area.
GAGE.--Water-stage recorder. Datum of gage is 610.30 ft above sea level. Prior to Aug. 17, 1924, nonrecording gage 
at same site and datum.
REMARKS.--Records good except for periods of estimated record, which are poor. Water-quality and sediment data 
collected at this site.


		    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       283      324      877      243      229      788      607      138      840       41     12         20
   2       163      186     1630      237      247     1060      381      118     1670       41     12         18
   3       112      149      625      395      344     1070      279      168     3480       38     16         17
   4        85      145      384      403      614      487      203      307     3780       45     15         15
   5        71      156      413      363     1770      368      171      269      624       38     13         14
 
   6        63      165      389      779     1760      909      153      433      302       34     16         13
   7        57      144      337      466      514     1010      139      730      192       33     13         13
   8        52      718      284      288      314      629      117      326      147       32     11         12
   9        54     2610      241      246      234      824      107      250      123       52     10         11
  10       230     2550      233      222      177     1700      108      634       97       44      9.6       13
 
  11       410     1510      341      175      150     1750      109      871       84       40      9.6       18
  12       201      887     1330     e150      132      557      254      442       78       38     10         14
  13       124      747     2000     e135       94      341     1100      315      109       33     13         19
  14        91      703     1070     e130      120      922      659      247      145       30     14         22
  15        76      628      453     e150      122     2340      335      206      161       25     17         19
 
  16        63      531      317     e170      106      656      219      284       90       24     37         16
  17        56      501      611     e150      104      368      178      313       92       22     33         15
  18        68     1500      974     e135      130      320      164      222      423       24     32         15
  19      1300     2440      478     e125      418      287      158      562      552       20     26         12
  20      2260     1090      243     e120     1680      223      136     1830      318       17     24         17
 
  21      1090      622      127     e110     1100      191      115      837      201       16     22         15
  22       790      436     e100     e350      841      183      119      311      124       19     72         19
  23       534      348      e85    e1400      443      216      142      203       82       18     64         25
  24       524      298     e800      910      254      195      160      171       66       17     57         18
  25       417      407     1700      920      180      180      149      145       57       18     43         15
 
  26       251     1770      583     1190      150      499      119      158       53       17     31         13
  27       176     1800      374      495     2070      540       99      192       48       36     24         11
  28       148      581      364      511     4560      279      125      131       49       19     25         10
  29       135      355      794      637      ---      214      224       99       43       16     21         10
  30       245      300      543      708      ---      259      187       91       38       15     21         13
  31       561      ---      336      290      ---      680      ---      108      ---       13     22        ---
 
 TOTAL   10690    24601    19036    12603    18857    20045     7016    11111    14068      875    745.2      462
 MEAN      345      820      614      407      673      647      234      358      469     28.2     24.0     15.4
 MAX      2260     2610     2000     1400     4560     2340     1100     1830     3780       52       72       25
 MIN        52      144       85      110       94      180       99       91       38       13      9.6       10
 CFSM     1.97     4.69     3.51     2.32     3.85     3.69     1.34     2.05     2.68      .16      .14      .09
 IN.      2.27     5.23     4.05     2.68     4.01     4.26     1.49     2.36     2.99      .19      .16      .10
 
 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1922 - 1997, BY WATER YEAR (WY)                                 
 
 MEAN      140      325      422      417      464      541      388      233      136     77.5     66.7      106
 MAX       804     1373     1049      929     1115      987      839      670     1013      415      493      709
 (WY)     1927     1986     1928     1990     1981     1972     1957     1953     1986     1969     1980     1990
 MIN      4.95     17.1     35.1     81.0     39.6      235     69.9     20.2     5.46     2.79     3.19     3.56
 (WY)     1924     1954     1961     1977     1934     1969     1935     1934     1934     1934     1923     1932
 
 SUMMARY STATISTICS           FOR 1996 CALENDAR YEAR        FOR 1997 WATER YEAR           WATER YEARS 1922 - 1997
 
 ANNUAL TOTAL                      173157.0                   140109.2                                           
 ANNUAL MEAN                          473                        384                        276                  
 HIGHEST ANNUAL MEAN                                                                        401              1986
 LOWEST ANNUAL MEAN                                                                         140              1931
 HIGHEST DAILY MEAN                  5000     Jan 19            4560     Feb 28           11000       Jan 31 1968
 LOWEST DAILY MEAN                      8.2   Sep  6               9.6   Aug 10                .30    Jul 30 1933
 ANNUAL SEVEN-DAY MINIMUM               9.4   Aug 31              11     Aug  7                .64    Aug 27 1933
 INSTANTANEOUS PEAK FLOW                                        6400     Feb 28 a         17000       Jan 22 1959
 INSTANTANEOUS PEAK STAGE                                          8.97  Jan 23 b            12.94    Mar  4 1934
 INSTANTANEOUS LOW FLOW                                            8.7   Aug  8                .20    Jul 31 1933
 ANNUAL RUNOFF (CFSM)                   2.70                       2.19                       1.58               
 ANNUAL RUNOFF (INCHES)                36.81                      29.78                      21.42               
 10 PERCENT EXCEEDS                  1300                        943                        688                  
 50 PERCENT EXCEEDS                   203                        175                         97                  
 90 PERCENT EXCEEDS                    30                         16                         10                 

a Peaks above base shown in table of peak discharges and stages at continuous-record surface-water-discharge stations.
b Ice jam.
e Estimated.


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