Station list     Available data
KASKASKIA RIVER BASIN


05590800       LAKE FORK AT ATWOOD, IL

 

LOCATION.-- Lat 39°48'23", long 88°28'34" (NAD of 1927), in NE1/4NW1/4 sec.36, T.16 N., R.6 E., Piatt County, Hydrologic Unit 07140201, on left bank at downstream side of bridge, 0.9 mi northwest of Atwood and at mile 9.0.
 

DRAINAGE AREA.-- 149 mi2.
 

PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE
 

DISCHARGE: October 1972 to current year.
 

STAGE: Water years 1994 to current year.
 

REVISED RECORDS.-- WDR IL-93-1: 1989(M), 1990-92. WDR IL-94-1: 1989.
 

GAGE.-- Water-stage recorder, phone telemeter, and crest-stage gage. Datum of gage is 644.58 ft above NGVD of 1929.
 

EXTREMES FOR PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 4,030 ft3/s, Mar. 5, 1979, gage height, 14.03 ft; maximum gage height, 15.39 ft, Apr. 12, 1994, discharge, 3,390 ft3/s; no flow for many days in most years.
 

REMARKS FOR CURRENT YEAR.-- Records poor.
Discharge, cubic feet per second, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
 
1 1.5   1.0   0.38 2.7   e0.51 e1.7 16    12    65  76  11      58   
2 1.3   0.87 0.44 1.8   e0.58 e1.7 16    14    54  53  10      155   
3 1.2   0.72 0.43 1.9   e0.64 e1.5 17    11    47  42  11      103   
4 1.3   0.69 0.40 2.0   e0.80 e1.4 16    8.9 43  35  11      58   
5 1.2   0.71 0.42 2.0   e1.0   e1.5 18    38    37  29  11      41   
 
6 1.1   0.80 0.45 2.3   e1.6   e1.6 15    84    34  24  13      33   
7 1.2   0.81 0.47 1.9   e1.3   e1.8 15    78    34  21  15      19   
8 0.97 0.56 0.49 1.9   e1.1   e2.2 18    59    30  19  13      9.4
9 0.83 0.54 0.51 2.1   e0.96 e2.5 17    50    28  68  6.3   6.8
10 0.72 0.81 0.55 1.5   e0.90 e3.1 16    309    26  866  3.8   6.5
 
11 0.61 0.57 0.63 1.0   e0.85 e7.0 16    637    26  826  2.8   5.5
12 0.54 0.51 0.70 0.65 e0.82 12    16    399    146  508  2.3   5.1
13 0.49 0.33 0.79 0.56 e0.80 23    14    227    360  292  2.2   5.0
14 0.23 0.24 0.92 e0.51 e0.88 47    15    153    427  182  2.2   5.9
15 0.24 0.37 1.0   e0.48 e1.0   46    12    244    323  124  2.1   6.8
 
16 0.17 0.38 1.1   e0.45 e1.1   36    12    304    223  86  1.7   6.6
17 0.10 0.40 1.1   e0.43 e1.1   32    16    214    164  60  1.7   6.9
18 0.08 0.27 1.4   e0.40 e1.0   29    15    158    132  54  0.94 7.7
19 0.86 0.41 2.6   e0.39 e1.0   27    12    125    119  47  0.46 8.0
20 1.4   0.42 2.1   e0.37 e1.1   28    14    172    98  36  0.39 7.6
 
21 1.1   0.70 1.6   e0.35 e1.3   28    18    162    80  53  0.47 7.1
22 1.0   0.71 1.4   e0.34 e2.0   27    17    127    70  65  0.57 8.1
23 1.1   0.75 1.1   e0.33 e5.4   25    15    105    63  46  0.43 8.2
24 0.89 0.90 1.1   e0.32 e4.5   24    13    91    55  32  0.38 7.7
25 1.1   0.86 0.99 e0.31 e3.6   24    16    80    48  24  0.38 7.0
 
26 1.3   0.86 0.80 e0.31 e2.8   23    17    69    44  19  0.33 6.7
27 1.4   0.86 0.81 e0.33 e2.2   20    14    56    41  15  0.35 8.1
28 0.95 0.90 0.88 e0.35 e1.9   22    12    52    36  14  0.35 9.2
29 1.2   0.96 0.98 e0.37 ---      23    10    52    33  14  0.71 8.2
30 1.2   0.82 1.4   e0.40 ---      19    9.9 49    69  13  1.4   6.7
 
31 1.2   ---      3.0   e0.46 ---      16    ---    49    ---  11  2.3   ---   

TOTAL 28.48 19.73 30.94 29.21 42.74 557.0 447.9 4188.9 2955 3754 129.56 631.8
MEAN 0.92 0.66 1.00 0.94 1.53 18.0 14.9 135 98.5 121 4.18 21.1
MAX 1.5 1.0 3.0 2.7 5.4 47 18 637 427 866 15 155
MIN 0.08 0.24 0.38 0.31 0.51 1.4 9.9 8.9 26 11 0.33 5.0
CFSM 0.01 0.00 0.01 0.01 0.01 0.12 0.10 0.91 0.66 0.81 0.03 0.14
IN. 0.01 0.00 0.01 0.01 0.01 0.14 0.11 1.05 0.74 0.94 0.03 0.16
e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1973 - 2003, BY WATER YEAR (WY)
MEAN 51.0 98.5 144 122 204 248 237 274 178 85.6 55.5 23.7
MAX 371 592 452 573 595 957 703 843 738 358 394 272
(WY) 1994 1993 1988 1993 1982 1979 1994 2002 1974 1973 1981 1993
MIN 0.000 0.66 0.46 0.16 1.53 18.0 14.9 32.4 2.65 0.000 0.000 0.000
(WY) 1989 2003 1977 1977 2003 2003 2003 2001 1988 1988 1984 1988

SUMMARY STATISTICS FOR 2002 CALENDAR YEAR FOR 2003 WATER YEAR WATER YEARS 1973 - 2003
ANNUAL TOTAL 68237.96 12815.26
ANNUAL MEAN 187      35.1   143         
HIGHEST ANNUAL MEAN 260          1973, 1993
LOWEST ANNUAL MEAN 35.1       2003
HIGHEST DAILY MEAN 3810          May 13 866          Jul 10 3810          May 13 2002
LOWEST DAILY MEAN 0.00     A 0.08     Oct 18 0.00     B
ANNUAL SEVEN-DAY MINIMUM 0.00     A 0.26     Oct 12 0.00     B
MAXIMUM PEAK FLOW 1020          Jul 10 4030      C Mar 5 1979
MAXIMUM PEAK STAGE 10.57     Jul 10 15.39 D Apr 12 1994
INSTANTANEOUS LOW FLOW 0.00     Oct 18
ANNUAL RUNOFF (CFSM) 1.25 0.24 0.96    
ANNUAL RUNOFF (INCHES) 17.04 3.20 13.04    
10 PERCENT EXCEEDS 533      79      385         
50 PERCENT EXCEEDS 29      5.0   50         
90 PERCENT EXCEEDS 0.21 0.43 0.70    

A - Many days.

B - Many days in most years.

C - Gage height, 14.03 ft.

D - Discharge, 3,390 ft3/s.


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data