U.S. Geological Survey
Water Resources Data - Ohio, Water Year 97, Vol. 1 | Little Miami River Basin


		03247500 EAST FORK LITTLE MIAMI RIVER AT PERINTOWN, OHIO

LOCATION.--Lat 39008'13",long 84014'17", Clermont County, Hydrologic Unit 05090202, on right bank at upstream    
wingwall of highway bridge at Perintown, 0.2 mi downstream from Sugarcamp Run, 5 mi upstream from mouth, and at 
mile 6.4.
DRAINAGE AREA.--476 mi2.
PERIOD OF RECORD.--May 1915 to September 1917, October 1917 to May 1920 (gage heights only), January 1925 to current 
year.
GAGE.--Water-stage recorder. Datum of gage is 507.03 ft above sea level. Prior to Feb. 6, 1940, nonrecording gage at 
same site and datum.
REMARKS.--Records fair. Occasional regulation by Stonelick Lake 14 mi upstream. Surface area at spillway level,      
171 acres. Flow regulated by William H. Harsha Reservoir, formerly East Fork Lake, since 1977. Water-quality data 
collected at this site. U.S. Army Corps of Engineers satellite telemeter at station.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 42,400 ft3/s Mar. 10, 1964, gage height, 23.84 ft; minimum daily, 
0.4 ft3/s July 24, 1930, Sept. 11, 12, 23, 1939; minimum gage height, -0.18 ft Oct. 3-7, 1917. Maximum discharge 
since start of construction of East Fork Dam, 23,200 ft3/s Aug. 30, 1974, gage height, 19.52 ft, result of failure 
of cofferdam.

	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       935       70     2510      283      372     3980     1410       80     5880      590       42       43
   2       812       68     1760      215      342     5690      956      105     1810      443       42       38
   3       518       67     3030      205      350     1520      233     1250     3770      220       42       39
   4       511       67     2060      227     3040     1130      215      556     4090      256       42       37
   5       509       69      746      647     2560     1020      243      193     3770      453       42       36
 
   6       505       72      637      775     3950     1010      275      142     2090      360       41       36
   7       508      135      380      813     3680      739      245      108      467      122       41       37
   8       505      353      355      371     2530      684      218      484      756       72       42       41
   9       507      251      312     e120      925      940      175      639     2470       60       45       47
  10       501      353      183     e110      605     1530      154      200     1550       55       43       48
 
  11       497      264      185      e94      296     2280      101      131     1150       54       44       47
  12       495      140      316      e86      312     4240      351      107      392       53       45       44
  13       496      152      387      e78      330     2990      168       92      313       52      143       37
  14       494      123      482      e70      360     2680      126       84      217       52       75       44
  15       417      112      565      e68      380     4320      108       79      154       52       80       43
 
  16       220      111      511      e67      389     4170      101       71     2650       51       73       43
  17       100      113     4390      e66      402     3910       92       69     3120       49      113       42
  18       271      127     4500      e66      331     2650       83       68     6360       49      418      202
  19       257      124     4320      e65      271     2400       80       67     2390       48       84       45
  20       147      119     2540      e64      213     4040       78       69     3880       49       90       44
 
  21       130      116      814      e64      294     4020       96       62     3760       49       73       42
  22       130      128      298     e150      245     3940      103       58     3690       49       55       42
  23       136      118      452      342      279     3610       87       56     3500       51       49       42
  24       137      114     2600      716      260     2930       81       55     2800       52       47       43
  25       132      281     2430     1460      212     1930       75      137     1990       55       48       43
 
  26       135     1350     1660     1320      200     1340       72      369      735       49       49       43
  27       143     1730      502     2460      246     1270       71      137      349       49       49       42
  28        95      883      418     3880      278      807       83       88      137       49       54       42
  29        86      519      436     3660      ---     1330       77       93      343       52       51       42
  30        86      896      383     2250      ---      987       72      101      378       44       48       42
  31        74      ---      356     1130      ---     1310      ---     1850      ---       42       48      ---
 
 TOTAL   10489     9025    40518    21922    23652    75397     6229     7600    64961     3681     2158     1416
 MEAN      338      301     1307      707      845     2432      208      245     2165      119     69.6     47.2
 MAX       935     1730     4500     3880     3950     5690     1410     1850     6360      590      418      202
 MIN        74       67      183       64      200      684       71       55      137       42       41       36
 
 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1977 - 1997, BY WATER YEAR (WY)                                 
 
 MEAN      262      421      736      783     1005     1132      909      969      499      243      192      215
 MAX       980     1446     2108     1637     2162     2432     1738     3657     2165      947     1220     1869
 (WY)     1984     1986     1991     1991     1990     1997     1989     1996     1997     1980     1979     1979
 MIN      18.5     49.3     54.1     15.3      168      138     73.5     48.4     35.6     32.4     38.6     30.1
 (WY)     1983     1988     1977     1977     1987     1983     1986     1988     1988     1984     1987     1983
 
 SUMMARY STATISTICS           FOR 1996 CALENDAR YEAR        FOR 1997 WATER YEAR           WATER YEARS 1977 - 1997
 
 ANNUAL TOTAL                      414112                     267048                                             
 ANNUAL MEAN                         1131                        732                        612                  
 HIGHEST ANNUAL MEAN                                                                       1058              1996
 LOWEST ANNUAL MEAN                                                                         266              1977
 HIGHEST DAILY MEAN                  9750     May 15            6360     Jun 18           10800       Sep 14 1979
 LOWEST DAILY MEAN                     42     Sep  2              36     Sep  5              14       Jan 21 1977
 ANNUAL SEVEN-DAY MINIMUM              42     Sep  2              38     Sep  2              14       Jan 28 1977
 INSTANTANEOUS PEAK FLOW                                       15800     Jun 18           29000       Sep 14 1979
 INSTANTANEOUS PEAK STAGE                                         16.31  Jun 18              21.00    Sep 14 1979
 INSTANTANEOUS LOW FLOW                                           36     Sep  5              14       Jan 21 1977
 10 PERCENT EXCEEDS                  3800                       2580                       2060                  
 50 PERCENT EXCEEDS                   418                        202                        159                  
 90 PERCENT EXCEEDS                    51                         44                         37                  

 e Estimated. 


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