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

			03240000 LITTLE MIAMI RIVER NEAR OLDTOWN, OHIO

LOCATION.--Lat 39044'54", long 83055'53", in sec. 34, R.7, T.4, Greene County, Hydrologic Unit 05090202, on right   
bank at downstream side of bridge on U.S. Highway 68, 0.8 mi downstream from Conner Branch, 0.9 mi upstream from 
Massies Creek, 1.3 mi northeast of Oldtown, and at mile 82.25.
DRAINAGE AREA.--129 mi2.
PERIOD OF RECORD.--July 1952 to current year.
GAGE.--Water-stage recorder. Datum of gage is 816.56 ft above sea level.
REMARKS.--Records good except for periods of estimated daily discharges, which are fair. Water-quality and sediment 
data collected at this site.
REVISIONS.--The peak discharge and annual maximum (*) for water years 1991, 1993, and 1994 have been revised to    
1,880 ft3/s, Dec. 19, 1990, gage height, 7.38 ft.; *1,620 ft3/s, Mar. 5, 1993, gage height, *6.87 ft.; and        
*2,320 ft3s, Jan. 28, 1994, gage height, *8.14 ft. These revisions supersede figures published in reports for 
1991, 1993, and 1994.

	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        52       39      784      116      118      146      124       77     2280      250       48       30
   2        44       36      512      113      114      874      117       75     2790      178       47       29
   3        39       33      257      108      125      551      114      477     1570      153       48       30
   4        36       32      180      103      510      388      112      382      773      106       49       28
   5        34       31      148      127      863      297      116      238      371       89       50       27
 
   6        33       32      138      136      354      289      118      183      273       80       42       27
   7        30       36      126      112      237      232      105      145      218       73       40       26
   8        29       48      115      100      190      198       97      136      189       69       38       26
   9        29       51      103      e96      158      209       92      138      169      135       36       25
  10        29       48       95      e84      141      601       90      122      150      109       35       28
 
  11        29       44       93      e76      132      368       89      109      138       81       38       34
  12        28       41       91      e72      125      251      102      104      131       71       42       30
  13        27       38       95      e68      111      206      106       97      127       65       49       27
  14        27       37       92      e64      111      522       94       93      119       72       46       25
  15        26       35       87      e62      104      451       87      122      108       71       48       24
 
  16        26       34       94      e58       97      278       86      105      119       57       46       23
  17        26       35      750      e56       89      228       86       94      310       51       75       23
  18        41       41      659      e54       91      266       83       88      225       49       95       23
  19        50       42      296      e52      108      395       81       86      210       46       76       23
  20        43       42      194      e50      130      287       79       80      161       44       76       22
 
  21        38       43      167      e50      152      233       77       74      136       44       84       23
  22        34       41      132     e250      157      201       76       70      121       46       65       22
  23        35       40      129      445      126      170       74       68      109      231       53       21
  24        35       40      362      168      110      152       73       67      101      265       49       22
  25        33       57      274     e120      101      148       72       74       95      160       46       21
 
  26        37      532      178      e90      103      153       67       78       90       98       43       21
  27        39      303      150     e200      131      141       68       73       86       79       40       20
  28        36      183      146      642      135      136       74       65       80       75       38       20
  29        34      140      148      225      ---      147       69       66       77       64       35       19
  30        40      210      133      147      ---      141       66       68       79       56       34       17
  31        43      ---      124      126      ---      136      ---      111      ---       51       32      ---
 
 TOTAL    1082     2364     6852     4170     4923     8795     2694     3765    11405     3018     1543      736
 MEAN     34.9     78.8      221      135      176      284     89.8      121      380     97.4     49.8     24.5
 MAX        52      532      784      642      863      874      124      477     2790      265       95       34
 MIN        26       31       87       50       89      136       66       65       77       44       32       17
 CFSM      .27      .61     1.71     1.04     1.36     2.20      .70      .94     2.95      .75      .39      .19
 IN.       .31      .68     1.98     1.20     1.42     2.54      .78     1.09     3.29      .87      .44      .21
 
 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1952 - 1997, BY WATER YEAR (WY)                                 
 
 MEAN     35.7     71.7      113      142      182      216      198      172      132     88.5     64.4     38.1
 MAX       163      315      513      497      485      655      446      637      469      406      413      378
 (WY)     1991     1986     1991     1959     1975     1963     1996     1996     1981     1990     1980     1979
 MIN      9.46     11.0     11.3     10.4     20.9     35.1     54.9     35.2     22.1     10.6     11.3     9.09
 (WY)     1954     1954     1954     1977     1954     1954     1971     1954     1988     1954     1955     1964
 
 SUMMARY STATISTICS           FOR 1996 CALENDAR YEAR        FOR 1997 WATER YEAR           WATER YEARS 1952 - 1997
 
 ANNUAL TOTAL                       82789                      51347                                             
 ANNUAL MEAN                          226                        141                        121                  
 HIGHEST ANNUAL MEAN                                                                        228              1980
 LOWEST ANNUAL MEAN                                                                          28.6            1954
 HIGHEST DAILY MEAN                  2950     Apr 30            2790     Jun  2            6140       Jan 21 1959
 LOWEST DAILY MEAN                     24     Sep 15              17     Sep 30               3.5     Sep  2 1988
 ANNUAL SEVEN-DAY MINIMUM              27     Sep 10              20     Sep 24               7.4     Sep 30 1953
 INSTANTANEOUS PEAK FLOW                                        3450     Jun  2 a         14800       Jan 21 1959
 INSTANTANEOUS PEAK STAGE                                          8.83  Jun  2              12.20    Jan 21 1959
 INSTANTANEOUS LOW FLOW                                           17     Sep 30               2.8     Sep  2 1988
 ANNUAL RUNOFF (CFSM)                   1.75                       1.09                        .94               
 ANNUAL RUNOFF (INCHES)                23.87                      14.81                      12.74               
 10 PERCENT EXCEEDS                   521                        265                        257                  
 50 PERCENT EXCEEDS                   130                         87                         62                  
 90 PERCENT EXCEEDS                    32                         30                         17                  
 
a Peaks above base shown in table of peak discharges and stages at continuous-record surface-water-discharge stations.
e Estimated