Station list     Available data
BIG MUDDY RIVER BASIN


05595820                   CASEY FORK AT MT. VERNON, IL



LOCATION.--Lat 38°17'12", long 88°52'19", in NW1/4NW1/4 sec.9, T.3 S., R.3 E., Jefferson County, Hydrologic Unit 07140106, on left bank on upstream side of bridge on State Highway 142, 0.2 mi downstream from Sevenmile Creek, about 2 mi southeast of Mt. Vernon, and at mile 18.8.

DRAINAGE AREA.--76.9 mi2.

PERIOD OF RECORD.--October 1985 to current year. October 1985 to September 1994 (8 AM gage heights). Gage-height record for April 1965 to May 1971 available in files of U.S. Army Corps of Engineers.

GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 420.00 ft above sea level (levels by U.S. Army Corps of Engineers).

REMARKS.--No estimated daily discharges. Records good. Effluent from sewage-treatment plant upstream at Mt. Vernon averaged about 4.8 ft3/s per day. Gage height telemeter at station.

EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of Apr. 4, 1968, reached a stage of 14.60 ft, from records of U.S. Army Corps of Engineers.
DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
 
1 3.1 9.8 9.8 5.8 13    74  202  645  16    25    8.7 2.7
2 3.0 7.0 3.0 6.1 12    55  85  177  15    13    6.2 2.9
3 2.3 6.6 5.7 6.2 12    47  111  323  12    9.2 6.5 3.3
4 3.1 5.8 5.5 6.3 12    42  162  206  292    9.8 7.2 3.3
5 3.6 6.5 4.2 101    12    37  89  102  759    7.1 6.4 3.3
 
6 4.1 19    3.6 214    12    30  66  86  152    8.4 6.3 3.2
7 4.2 9.6 3.3 247    11    28  60  1520  65    12    7.7 3.6
8 4.2 5.5 4.2 471    10    48  57  223  42    19    7.3 3.5
9 6.1 4.4 5.2 132    9.6 111  62  103  39    13    33    3.5
10 5.2 4.1 9.6 57    9.7 88  47  72  31    8.5 18    3.4
 
11 4.6 3.9 6.3 35    15    49  36  50  24    10    6.4 3.3
12 5.4 3.8 5.0 26    21    36  31  37  53    7.8 4.8 3.4
13 11    4.7 4.3 21    17    36  31  30  60    6.2 5.8 3.6
14 7.4 7.5 4.0 18    15    35  480  25  52    5.5 4.3 3.7
15 5.0 6.5 3.9 61    13    28  550  21  46    5.2 3.9 3.6
 
16 4.7 5.5 3.7 37    86    27  2800  19  26    5.3 3.8 3.9
17 4.3 5.1 3.5 26    417    88  647  16  20    5.3 3.7 4.4
18 4.1 5.1 3.2 20    301    747  105  14  15    8.5 4.1 3.9
19 5.2 4.9 3.2 17    102    208  73  12  19    5.3 3.8 3.5
20 4.8 4.2 3.1 15    101    1760  57  13  20    4.7 3.6 3.9
 
21 4.2 4.5 3.7 14    78    755  54  41  107    4.7 3.6 13   
22 5.6 4.5 16    16    57    139  49  636  41    10    3.4 8.0
23 4.2 3.7 11    25    46    87  49  171  20    46    3.3 4.5
24 8.0 4.0 32    26    37    66  35  129  14    8.4 3.5 3.8
25 5.4 4.3 35    24    31    55  29  68  11    7.1 3.4 11   
 
26 8.4 4.4 13    35    40    47  27  209  9.1 6.6 3.2 13   
27 5.8 4.1 9.5 33    429    41  73  158  7.6 6.3 3.4 6.0
28 5.1 3.6 7.8 26    117    592  75  51  6.7 5.0 3.2 3.8
29 4.9 4.9 6.4 22    ---    191  64  32  37    5.1 3.1 3.2
30 4.8 11    5.9 17    ---    96  2890  24  120    19    3.1 3.1
 
31 4.9 ---    5.8 15    ---    114  ---  19  ---    16    3.7 ---   

TOTAL 156.7 178.5 240.4 1775.4 2036.3 5757 9096 5232 2131.4 323.0 188.4 139.3
MEAN 5.05 5.95 7.75 57.3 72.7 186 303 169 71.0 10.4 6.08 4.64
MAX 11 19 35 471 429 1760 2890 1520 759 46 33 13
MIN 2.3 3.6 3.0 5.8 9.6 27 27 12 6.7 4.7 3.1 2.7
CFSM .07 .08 .10 .74 .95 2.41 3.94 2.19 .92 .14 .08 .06
IN. .08 .09 .12 .86 .99 2.78 4.40 2.53 1.03 .16 .09 .07


STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1986 - 1998, BY WATER YEAR (WY)
MEAN 8.22 110 65.4 111 117 141 191 149 40.8 19.6 6.76 19.8
MAX 27.2 542 233 327 383 456 540 809 102 101 15.5 155
(WY) 1994 1994 1991 1993 1986 1989 1996 1995 1996 1993 1993 1993
MIN 2.86 4.34 4.51 13.1 10.4 32.2 40.1 4.46 2.98 2.71 1.65 2.06
(WY) 1996 1990 1990 1986 1996 1987 1995 1988 1991 1991 1990 1995

SUMMARY STATISTICS FOR 1997 CALENDAR YEAR FOR 1998 WATER YEAR WATER YEARS 1986 - 1998
ANNUAL TOTAL 16942.6   27254.4  
ANNUAL MEAN 46.4   74.7   81.3  
HIGHEST ANNUAL MEAN 123      1994
LOWEST ANNUAL MEAN 21.3   1987
HIGHEST DAILY MEAN 1260          Mar 14 2890          Apr 30 9940      May 18 1995
LOWEST DAILY MEAN 2.3       Oct 3 2.3       Oct 3 .15 Sep 29 1989
ANNUAL SEVEN-DAY MINIMUM 3.1       Sep 27 3.1       Aug 28 .38 Dec 11 1989
INSTANTANEOUS PEAK FLOW 4140          Apr 30 16100      May 17 1990
INSTANTANEOUS PEAK STAGE 13.74     Apr 30 17.03 May 17 1990
INSTANTANEOUS LOW FLOW .90     Dec 2
ANNUAL RUNOFF (CFSM) .60 .97 1.06
ANNUAL RUNOFF (INCHES) 8.20 13.18 14.37
10 PERCENT EXCEEDS 112      118      117     
50 PERCENT EXCEEDS 10      12      12     
90 PERCENT EXCEEDS 3.3   3.6   2.8  


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data