Station list     Available data
KASKASKIA RIVER BASIN


05593900       EAST FORK SHOAL CREEK NEAR COFFEEN, IL



LOCATION.-- Lat 39°08'56", long 89°21'08", in NW1/4SE1/4 sec.7, T.8 N., R.2 W., Montgomery County, Hydrologic Unit 07140203, on right bank at downstream side of bridge on County Highway 8, 4.5 mi northeast of Coffeen, 6.5 mi east of Hillsboro, and at mile 39.3.

DRAINAGE AREA.-- 55.5 mi2.

PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE
 

DISCHARGE: October 1963 to current year.
 

STAGE: Water years 1994-2001.

REVISED RECORDS.-- WDR IL-75-1: Drainage area.

GAGE.-- Water-stage recorder, phone telemeter, and crest-stage gage. Datum of gage is 574.76 ft above sea level.

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 5,910 ft3/s, Dec. 7, 1966, from rating curve extended above 2,200 ft3/s, gage height, 14.45 ft; maximum gage height, 14.75 ft, Aug. 5, 1998, discharge, 5,030 ft3/s; no flow for many days in most years.

REMARKS FOR CURRENT YEAR.-- Records good except those for estimated daily discharges, which are poor.
DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 2000 TO SEPTEMBER 2001
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
 
1 7.9 6.5 17    e8.0 61  31  10    5.6 59    6.1   1.4   8.4  
2 6.9 6.6 17    e7.5 47  28  9.8 4.9 17    7.0   1.1   3.2  
3 6.3 6.3 16    e8.0 39  26  9.9 e4.1 11    5.0   1.3   1.3  
4 89    6.2 15    e9.0 27  23  9.6 e3.7 560    2.9   .99 .75
5 1600    6.2 14    e10    27  20  9.3 e3.5 564    1.9   .57 .45
 
6 1030    90    14    e10    26  17  9.5 e5.0 1060    1.4   .51 .30
7 58    401    14    e9.5 30  17  9.6 e7.5 218    1.3   .52 .21
8 29    58    13    e9.5 82  16  8.8 4.8 44    1.4   .43 .25
9 21    139    13    e9.0 688  15  8.7 4.2 29    11      .36 35     
10 16    207    13    e9.0 402  15  8.9 4.6 25    5.4   .28 12     
 
11 13    49    46    e9.5 53  15  16    3.9 18    2.9   .22 4.3  
12 11    34    60    e10    38  15  14    3.1 14    1.4   .17 1.9  
13 10    155    e37    e12    38  15  9.3 2.9 11    1.1   .13 1.0  
14 9.4 59    e26    e40    205  14  8.2 3.0 9.1 .78 .12 .45
15 9.7 32    e17    e230    129  14  7.9 3.1 109    .74 .14 .24
 
16 10    26    e15    e120    58  61  7.3 3.0 20    .61 .18 .17
17 12    22    e14    e65    31  48  6.5 3.4 11    .76 .13 .12
18 11    20    e13    e40    24  25  6.3 357    8.7 14      .13 3.7  
19 9.3 19    e12    e32    21  20  6.3 33    6.8 3.2   .10 6.3  
20 8.3 17    e11    e27    20  18  6.6 15    5.9 3.5   .12 3.5  
 
21 7.7 16    e10    e22    18  17  6.8 62    28    2.2   .09 2.9  
22 7.1 15    e9.5 e18    17  15  6.5 32    18    1.9   .12 1.5  
23 6.8 15    e9.0 e16    17  15  6.5 13    7.3 1.9   .14 1.0  
24 6.7 15    e8.5 e17    242  13  5.5 11    5.4 79      .83 .63
25 6.6 45    e8.0 e19    1240  12  5.3 9.6 4.3 27      2.6   .41
 
26 7.6 143    e9.0 e16    100  11  5.2 8.8 3.6 7.5   12      .26
27 7.0 45    e10    e14    46  11  5.2 8.3 3.1 4.7   2.2   .19
28 6.3 26    e10    e13    35  11  4.8 7.7 2.4 3.9   1.2   .14
29 6.2 21    e9.5 371    ---  11  4.4 6.3 2.6 3.4   .98 .15
30 6.1 19    e9.0 924    ---  11  4.4 5.7 2.7 2.7   .77 .11
 
31 6.2 ---    e8.5 167    ---  10  ---    147    ---    1.9   14      ---     

TOTAL 3042.1 1719.8 498.0 2272.0 3761 590 237.1 786.7 2877.9 208.49 43.83 90.83
MEAN 98.1 57.3 16.1 73.3 134 19.0 7.90 25.4 95.9 6.73 1.41 3.03
MAX 1600 401 60 924 1240 61 16 357 1060 79 14 35
MIN 6.1 6.2 8.0 7.5 17 10 4.4 2.9 2.4 .61 .09 .11
CFSM 1.77 1.03 .29 1.32 2.42 .34 .14 .46 1.73 .12 .03 .05
IN. 2.04 1.15 .33 1.52 2.52 .40 .16 .53 1.93 .14 .03 .06
e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1964 - 2001, BY WATER YEAR (WY)
MEAN 14.9 25.6 53.4 57.9 66.7 73.3 73.3 55.3 37.6 17.7 11.2 13.5
MAX 192 193 256 279 222 313 347 303 203 176 127 181
(WY) 1970 1994 1983 1974 1982 1978 1994 1990 1973 1982 1998 1993
MIN .000 .082 .049 .16 1.75 2.90 4.09 1.36 .13 .000 .000 .000
(WY) 1964 1998 1977 1977 2000 2000 2000 1988 1988 1964 1988 1964

SUMMARY STATISTICS FOR 2000 CALENDAR YEAR FOR 2001 WATER YEAR WATER YEARS 1964 - 2001
ANNUAL TOTAL 11472.49     16127.75
ANNUAL MEAN 31.3       44.2   41.6      
HIGHEST ANNUAL MEAN 99.7       1974
LOWEST ANNUAL MEAN 6.76     1992
HIGHEST DAILY MEAN 1600              Oct 5 1600          Oct 5 2880          Aug 5 1998
LOWEST DAILY MEAN .06 A     Jan 29,30 .09     Aug 21 .00     B
ANNUAL SEVEN-DAY MINIMUM .07         Jan 25 .12     Aug 17 .00     Oct 1 1963
MAXIMUM PEAK FLOW 1830          Oct 5 5910      C Dec 7 1966
MAXIMUM PEAK STAGE 12.17     Oct 5 14.75 D Aug 5 1998
INSTANTANEOUS LOW FLOW .08     Aug 19,21
ANNUAL RUNOFF (CFSM) .56     .80 .75    
ANNUAL RUNOFF (INCHES) 7.69     10.81 10.18    
10 PERCENT EXCEEDS 35          59      60         
50 PERCENT EXCEEDS 4.8       9.6   4.8      
90 PERCENT EXCEEDS .58     .75 .09    

A - Estimated, but may have been less during periods of estimated discharges in Jan. and Feb.
B - Many days in most years.
C - From rating curve extended above 2,200 ft3/s, gage height, 14.45 ft.
D - Discharge, 5,030 ft3/s.


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data