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Water Resources Data - Ohio, Water Year 97, Vol. 1 | Scioto River Basin

			03228805 ALUM CREEK AT AFRICA, OHIO

LOCATION.--Lat 40010'56", long 82057'42", in SE 1/4 sec. 1, T.3 N., R.18 W., Delaware County, Hydrologic Unit 05060001, 
on right bank 400 ft upstream of bridge on Lewis Center Road, 1,200 ft downstream from outlet of Alum Creek Dam, 
0.3 mi west of Africa, 2.8 mi upstream from Westerville Reservoir outlet, and 4.2 mi northwest of Westerville.
DRAINAGE AREA.--122 mi2.
PERIOD OF RECORD.--Water year 1962 (occasional low-flow measurements) June 1963 to current year.
GAGE.--Water-stage recorder. Datum of gage is 822.00 ft above sea level. (Levels by U.S. Army Corps of Engineers.) 
July 9, 1974, to Sept. 30, 1985, at datum 22.00 ft lower. Oct. 17, 1973, to July 9, 1974, nonrecording gage at 
bridge 400 ft downstream at datum 22.00 ft lower. Prior to Oct. 17, 1973, water-stage recorder 600 ft downstream 
at datum 4.63 ft lower.
REMARKS.--Records good except for periods of estimated daily discharge, which are poor. Flow regulated by Alum Creek 
Lake since August 1973. Water-quality and sediment data collected at this site. U.S. Army Corps of Engineers 
satellite telemeter at station.
EXTREME FOR PERIOD OF RECORD.--Maximum discharge, 6,160 ft3/s Mar. 10, 1964, gage height 13.95 ft.
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of Mar. 5, 1963 reached a stage of 14.2 ft, from floodmarks; discharge, 
6,460 ft3/s.

	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        15      115       24      300       52      296     14       14    e1100         29     11         11
   2        14      110      271      150       52      161     15       14     e500         30     12         10
   3        14      110      427       21       52       25     15       17     e160         59     11         11
   4        14      110      429       22       99       25     16       14      e70         76     12         11
   5        14      108      427       23      486       26     18       13      e90         63     12         13
 
   6        14       98      244       23      885      623     18       13     e250         41     11         13
   7        16       89       19      e22      648     1540     19       13    e1000         43     11         14
   8        16       89       19      e22      215     1180     20       13     e960         42     10         15
   9        16       89       19      e23      213      474     17       13     e900         42      9.8       16
  10        16       88       19      e24      213      600     12       12     e840         42      8.9       15
 
  11        16       87       18      e25      213      621     12       12     e800         32      8.1       14
  12        16       87       46      e28      213      418     14       13     e400         14      8.2       14
  13        16       87      118      e31      152      123     13      e16     e200         13      8.4       14
  14       198       87      124      e34       54       54     13      e19     e100         11      8.2       14
  15        86       87      124      e38       33       70     13      e18      e40         11      9.1       14
 
  16        45       87      228      e34       33       70     12      e15      e20         11      8.3       14
  17        45       87      371      e31       33      425     12      e13      e15         11    122         14
  18        45       87      658       29       32      658      9.6    e14      e12         11    259         15
  19        45       87      913       28       32      514      9.5    e17      e10         12    259         17
  20        45       87      636       28       35      158      8.2    e21        9.4       12    258         22
 
  21        95       87      179       28       40       13      8.6    e14        9.2       11    100         22
  22       122       62      180       30       42       14     11        9.4      9.4       12     12         22
  23       122       16      181       37       42       13     12        9.3      8.9       11     11         22
  24       122       15      344       41       99       13     13        8.9      8.6       10     18         22
  25       122       16      471       45      127       13     12       11        8.7       10     17         23
 
  26       122       18      670       45      127       13     12        9.3      9.2       10     14         22
  27       122       41      617      440      227       13     13        9.2      9.0       11     15         23
  28       122       51      300      717      291       14     13        9.4      9.5       11     15         23
  29       122       39      300      713      ---       14     14        9.1     13         11     16         23
  30       122       20      300      307      ---       14     13        9.5     18         11     15         24
  31       122      ---      300       53      ---       14      ---     34        ---       11     14        ---
 
 TOTAL    2021     2241     8976     3392     4740     8209    401.9    427.1   7579.9      724   1304.0      507
 MEAN     65.2     74.7      290      109      169      265     13.4     13.8      253     23.4     42.1     16.9
 MAX       198      115      913      717      885     1540       20       34     1100       76      259       24
 MIN        14       15       18       21       32       13      8.2      8.9      8.6       10      8.1       10
 
 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1974 - 1997, BY WATER YEAR (WY)                                 
 
 MEAN     56.1      125      155      135      187      179      104      119     97.6     75.6     43.8     58.8
 MAX       309      375      460      437      464      514      358      651      293      364      570      618
 (WY)     1987     1980     1991     1993     1990     1979     1979     1996     1990     1987     1980     1980
 MIN      3.85     5.39     6.15     1.50     5.48     5.02     3.46     3.32     3.61     3.05     3.31     3.53
 (WY)     1974     1989     1976     1976     1981     1987     1981     1976     1976     1976     1981     1981
 
 SUMMARY STATISTICS           FOR 1996 CALENDAR YEAR        FOR 1997 WATER YEAR           WATER YEARS 1974 - 1997
 
 ANNUAL TOTAL                       69130.1                    40522.9                                           
 ANNUAL MEAN                          189                        111                        111                  
 HIGHEST ANNUAL MEAN                                                                        243              1980
 LOWEST ANNUAL MEAN                                                                           8.54           1992
 HIGHEST DAILY MEAN                  1750     May 14            1540     Mar  7            1980       Nov 29 1979
 LOWEST DAILY MEAN                      5.7   Apr 11               8.1   Aug 11                .00    Aug 25 1992
 ANNUAL SEVEN-DAY MINIMUM               8.6   Apr  9               8.5   Aug 10               1.5     Jun 11 1976
 INSTANTANEOUS PEAK FLOW                                        1600     Mar  6            2310       Sep 19 1979
 INSTANTANEOUS PEAK STAGE                                          5.14  Mar  6              27.74    Sep 19 1979
 INSTANTANEOUS LOW FLOW                                            8.1   Aug 11                .00    Aug 25 1992
 10 PERCENT EXCEEDS                   616                        303                        319                  
 50 PERCENT EXCEEDS                    27                         22                         17                  
 90 PERCENT EXCEEDS                    13                         11                          5.5                

e Estimated.