Station list     Available data
CACHE RIVER BASIN


03612000       CACHE RIVER AT FORMAN, IL



LOCATION.-- Lat 37°20'11", long 88°55'26", in NE1/4NW1/4 sec.6, T.14 S., R.3 E., Johnson County, Hydrologic Unit 05140206, at downstream side of bridge on County Highway 3, 1.2 mi southwest of Forman, and at mile 8.1.

DRAINAGE AREA.-- 244 mi2.

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

DISCHARGE: October 1922 to July 1924, September 1924 to current year.
 

STAGE: Water years 1994-2000.
SURFACE-WATER QUALITY
 

CHEMICAL: Water years 1978-91.

REVISED RECORDS.-- WSP 623: 1923-24. WSP 823: 1934-35. WSP 1205: 1923-24, 1927-30. WSP 1335: 1923(M), 1925, 1926-27(M), 1928, 1929-30(M), 1931, 1933, 1934-36(M), 1937-39. WDR IL-75-1: Drainage area.

GAGE.-- Water-stage recorder, phone telemeter, rain gage, and crest-stage gage. Datum of gage is 308.47 ft. above sea level. Dec. 30, 1971 to Sept. 30, 1997, recording gage at same site at datum 10.0 ft. higher. Oct. 1, 1958, to Dec. 30, 1971, nonrecording gage at same site and datum 10.0 ft. higher. See WSP 1705 or 1725 for history of changes prior to Sept. 30, 1958.

REMARKS.-- Flow of lower part of Cache River Basin was diverted from Ohio River to Mississippi River beginning Oct. 31, 1950, through diversion channel of Mounds-Mound City flood-protection project. Flow of upper part of Cache River Basin, including flow past this station, continued to discharge to Ohio River, passing through Post Creek cutoff directly to Ohio River instead of through the original channel of Cache River.

REMARKS FOR CURRENT YEAR.-- Records fair except those for periods of backwater from the Ohio River, Feb. 21 to Mar. 2, Mar. 25, and Apr. 8-17, and those for estimated daily discharges, which are poor.
DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
 
1 .90 1.4   3.5 6.5 e14  e714  103  64  584  78    89    6.1
2 .78 1.7   2.2 6.8 e15  e578  90  50  384  59    86    5.1
3 .77 1.5   1.6 1660    e16  431  82  42  274  48    39    4.2
4 .78 1.5   1.6 2700    18  297  74  37  271  39    21    3.7
5 .75 1.4   2.3 2100    17  200  64  35  165  31    15    3.3
 
6 .72 1.2   3.2 1390    17  140  56  37  102  26    11    2.9
7 .62 1.2   3.7 1330    17  105  50  58  72  23    8.9 2.5
8 .67 1.1   5.3 1050    20  85  e42  64  54  21    7.8 2.6
9 5.7   1.2   9.1 755    19  72  e38  53  43  19    8.0 3.2
10 11      .93 45    513    17  61  e34  80  34  16    10    3.6
 
11 5.8   .79 202    343    16  56  e32  145  29  13    9.5 4.1
12 7.8   .69 210    228    17  56  e30  95  33  11    7.8 5.5
13 13      .78 234    158    33  52  e31  136  31  10    6.5 5.2
14 9.1   .72 489    106    149  51  e31  148  23  9.0 5.8 13   
15 5.3   .60 423    75    243  48  e30  78  21  8.7 4.8 17   
 
16 3.6   .57 278    59    153  230  e29  50  22  8.0 4.0 10   
17 3.1   .61 123    48    98  433  e33  36  358  7.4 3.2 7.2
18 2.9   .66 68    43    1060  315  36  29  1120  6.8 3.0 4.9
19 2.5   .71 44    39    1760  283  39  24  890  7.8 2.7 3.5
20 2.1   .82 32    36    979  2090  39  23  759  15    2.9 2.6
 
21 2.2   .76 24    32    e837  1630  34  23  839  12    2.7 2.4
22 2.0   .74 17    32    e850  1060  32  25  854  11    2.7 2.0
23 1.7   .69 15    32    e706  1030  29  587  721  11    2.8 1.9
24 1.7   .78 13    30    e889  898  29  2320  503  9.0 3.0 2.1
25 1.8   .91 11    27    e535  e629  59  1500  328  7.2 3.4 5.6
 
26 1.8   1.2   11    e25    e649  451  139  1330  216  6.3 5.3 25   
27 1.7   1.5   9.7 e22    e1720  327  124  1750  156  5.6 6.8 32   
28 1.6   1.6   9.2 e19    e949  256  118  1520  200  5.1 5.8 22   
29 1.4   1.8   8.4 e17    e747  203  107  1230  166  9.7 6.8 13   
30 1.5   4.4   7.0 e16    ---  158  89  1070  108  15    7.1 8.3
 
31 1.5   ---      7.1 e15    ---  125  ---  848  ---  68    6.1 ---   

TOTAL 96.79 34.46 2312.9 12913.3 12560 13064 1723 13487 9360 616.6 398.4 224.5
MEAN 3.12 1.15 74.6 417 433 421 57.4 435 312 19.9 12.9 7.48
MAX 13 4.4 489 2700 1760 2090 139 2320 1120 78 89 32
MIN .62 .57 1.6 6.5 14 48 29 23 21 5.1 2.7 1.9
CFSM .01 .00 .31 1.71 1.78 1.73 .24 1.78 1.28 .08 .05 .03
IN. .01 .01 .35 1.97 1.91 1.99 .26 2.06 1.43 .09 .06 .03

e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1923 - 2000, BY WATER YEAR (WY)
MEAN 53.5 190 321 498 491 598 568 415 218 88.6 73.1 56.4
MAX 487 1097 2192 3039 1813 2268 2244 1847 1759 1257 826 542
(WY) 1928 1958 1983 1950 1950 1945 1927 1983 1928 1958 1985 1950
MIN .019 .66 .58 1.38 7.05 12.4 40.7 10.4 1.37 1.71 .000 .43
(WY) 1964 1954 1964 1977 1934 1941 1981 1930 1936 1931 1930 1953

SUMMARY STATISTICS FOR 1999 CALENDAR YEAR FOR 2000 WATER YEAR WATER YEARS 1923 - 2000
ANNUAL TOTAL 88045.49     66790.95
ANNUAL MEAN 241          182      295         
HIGHEST ANNUAL MEAN 779          1950
LOWEST ANNUAL MEAN 37.5       1941
HIGHEST DAILY MEAN 4130      A     Jan 24 2700          Jan 4 8780          Jan 26 1929
LOWEST DAILY MEAN .22         Sep 17 .57     Nov 16 .00     B
ANNUAL SEVEN-DAY MINIMUM .31         Sep 12 .66     Nov 12 .00     Jul 29 1930
INSTANTANEOUS PEAK FLOW 2820          Jan 3 9630          Mar 12 1935
INSTANTANEOUS PEAK STAGE 24.54     Jan 3 42.29 C Mar 12 1935
INSTANTANEOUS LOW FLOW .50     Nov 16
ANNUAL RUNOFF (CFSM) .99     .75 1.21    
ANNUAL RUNOFF (INCHES) 13.42     10.18 16.45    
10 PERCENT EXCEEDS 603          708      848         
50 PERCENT EXCEEDS 40          23      55         
90 PERCENT EXCEEDS .76     1.5   1.8      
A - Variable backwater.
B - At times in some years.
 C - Site then in use, from graph based on gage readings.


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data