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 1994-2002.
 

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 fair except those for Aug. 11 to Sept. 30 and those for estimated daily discharges, which are poor.
DISCHARGE, in CFS, WATER YEAR OCTOBER 2001 TO SEPTEMBER 2002
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
 
1 0.00 62  146  e70  1210  169  376  669  154  50    0.91 e0.00
2 0.00 57  101  e68  922  190  307  532  133  45    0.72 e0.00
3 0.04 46  79  e67  702  477  233  394  117  42    0.53 e0.00
4 0.12 40  65  67  534  380  185  309  106  38    0.44 e0.00
5 2.7   38  56  69  374  277  164  256  115  33    0.42 e0.00
 
6 2.7   36  50  67  284  273  153  404  123  29    0.21 e0.00
7 3.2   35  46  58  231  282  147  1190  106  25    0.04 e0.00
8 3.9   33  41  58  189  251  192  1070  93  22    0.00 e0.00
9 4.0   30  36  57  168  396  354  1240  87  20    0.00 e0.00
10 4.4   28  33  51  163  521  288  1060  82  18    0.00 e0.00
 
11 6.1   27  31  44  152  364  247  883  121  15    0.00 e0.00
12 35      24  30  42  161  293  225  2460  557  13    0.00 e0.00
13 70      23  51  44  139  247  219  3810  519  12    0.00 e0.00
14 204      23  99  45  120  214  194  3070  422  10    0.00 e0.00
15 208      23  203  41  122  196  182  1940  301  8.5 0.0   e0.00
 
16 195      22  189  36  112  179  160  1190  227  7.1 0.55 e0.00
17 210      19  525  35  98  169  144  1080  176  6.2 1.5   1.3  
18 154      18  696  35  86  160  133  859  147  5.2 0.20 2.3  
19 115      19  511  36  205  143  136  665  126  4.2 0.19 2.8  
20 84      19  346  34  1060  146  686  499  110  3.6 2.1   4.0  
 
21 66      18  254  35  937  131  1220  362  98  3.0 0.52 3.4  
22 54      18  212  32  676  115  1260  288  91  3.8 0.14 3.1  
23 53      18  194  32  503  118  868  243  87  7.7 0.85 2.9  
24 78      20  162  32  383  119  811  206  82  5.2 1.6   2.7  
25 272      21  136  28  308  205  1240  175  114  2.9 1.1   2.4  
 
26 242      16  124  27  248  300  848  148  111  2.1 0.98 2.4  
27 156      15  117  27  204  230  882  133  89  2.5 e0.20 2.4  
28 109      16  108  28  228  331  1670  251  73  3.0 e0.01 2.0  
29 87      20  92  30  ---  702  1190  296  61  2.0 e0.00 1.8  
30 72      86  e80  46  ---  676  861  247  55  1.4 e0.00 1.6  
 
31 64      ---  e73  670  ---  507  ---  191  ---  1.1 e0.00 ---     

TOTAL 2555.16 870 4886 2011 10519 8761 15575 26120 4683 441.5 13.21 35.10
MEAN 82.42 29.00 157.6 64.87 375.7 282.6 519.2 842.6 156.1 14.24 0.426 1.170
MAX 272 86 696 670 1210 702 1670 3810 557 50 2.1 4.0
MIN 0.00 15 30 27 86 115 133 133 55 1.1 0.00 0.00
CFSM 0.55 0.19 1.06 0.44 2.52 1.90 3.48 5.65 1.05 0.10 0.00 0.01
IN. 0.64 0.22 1.22 0.50 2.63 2.19 3.89 6.52 1.17 0.11 0.00 0.01
e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1973 - 2002, BY WATER YEAR (WY)
MEAN 52.69 101.7 148.3 126.0 210.2 256.0 244.0 278.9 180.3 84.39 57.26 23.74
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 0.82 0.46 0.16 4.18 33.0 35.1 32.4 2.65 0.000 0.000 0.000
(WY) 1989 2000 1977 1977 1977 2000 2000 2001 1988 1988 1984 1988

SUMMARY STATISTICS FOR 2001 CALENDAR YEAR FOR 2002 WATER YEAR WATER YEARS 1973 - 2002
ANNUAL TOTAL 39033.50 76469.97
ANNUAL MEAN 106.9   209.5   146.6      
HIGHEST ANNUAL MEAN 260          1973,1993
LOWEST ANNUAL MEAN 51.8       2000
HIGHEST DAILY MEAN 1570          Feb 25 3810          May 13 3810          May 13 2002
LOWEST DAILY MEAN 0.00     A 0.00     B 0.00     C
ANNUAL SEVEN-DAY MINIMUM 0.00     Sep 26 0.00     Aug 8 0.00     Aug 28 1976
MAXIMUM PEAK FLOW 3980          May 13 4030      D Mar 5 1979
MAXIMUM PEAK STAGE 15.25     May 13 15.39 E Apr 12 1994
ANNUAL RUNOFF (CFSM) 0.72 1.41 0.98    
ANNUAL RUNOFF (INCHES) 9.75 19.09 13.37    
10 PERCENT EXCEEDS 252      543      397         
50 PERCENT EXCEEDS 42      73      52         
90 PERCENT EXCEEDS 1.1   0.20 0.76    

A - Sept. 26, 2001, Sept. 28 to Oct. 2, 2001.

B - Many days.

C - Many days in most years.

D - Gage height, 14.03 ft.

E - Discharge, 3,390 ft3/s.


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data