Station list     Available data
KASKASKIA RIVER BASIN


05594450       SILVER CREEK NEAR TROY, IL

 

LOCATION.-- Lat 38°43'00", long 89°49'45" (NAD of 1927), in SE1/4SW1/4 sec.12, T.3 N., R.7 W., Madison County, Hydrologic Unit 07140204, on right bank at upstream side of bridge on U.S. Highway 40, 0.2 mi upstream from railroad bridge, 1.9 mi upstream from East Fork Silver Creek, 1.9 mi southeast of Troy, and at mile 44.6.
 

DRAINAGE AREA.-- 154 mi2.
 

PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE
 

DISCHARGE: October 1966 to current year.
 

STAGE: Water years 1994 to current year.

SURFACE-WATER QUALITY
 

CHEMICAL: Water years 1978-91.
 

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

GAGE.-- Water-stage recorder, phone telemeter, and crest-stage gage. Datum of gage is 438.91 ft above NGVD of 1929.
 

EXTREMES FOR PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 10,600 ft3/s, April 12, 1979, gage height, 17.52 ft; maximum gage height, 17.94 ft, May 17, 1990, discharge, 9,170 ft3/s; no flow for several days in 1967-68, 1973, 1988.
 

REMARKS FOR CURRENT YEAR.-- Records fair except those for estimated daily discharges, which are 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 e3.0 7.1 3.2 36    e5.0 e20  22    57  18  34    6.4 83   
2 e3.1 4.3 3.0 25    e5.7 e34  18    44  16  29    4.6 449   
3 14    3.9 2.9 21    e6.6 e50  16    36  29  25    25    406   
4 7.1 3.7 2.6 17    7.8 e55  14    130  29  19    356    125   
5 5.7 5.9 e2.5 15    6.8 61  13    472  24  17    174    38   
 
6 e5.0 8.0 e2.4 17    6.7 48  13    448  20  14    38    19   
7 e4.5 4.9 e2.3 19    e6.2 35  22    275  22  11    17    11   
8 e4.2 5.6 e2.3 21    e5.5 29  19    315  19  8.9 9.2 7.2
9 e4.0 6.2 e2.3 18    e5.2 25  19    367  16  12    5.5 5.7
10 e3.7 5.4 e2.4 15    e4.6 20  16    571  156  19    3.7 3.7
 
11 e3.5 4.9 e2.5 e10    e4.4 18  14    799  708  10    3.2 3.0
12 e3.4 4.0 2.6 e8.0 e4.2 68  11    764  1420  15    2.9 2.7
13 e3.3 3.7 2.8 e6.6 e4.2 131  9.5 514  1730  12    2.7 2.7
14 e3.2 3.5 3.1 e5.6 e9.0 168  8.5 163  1960  8.2 2.7 2.6
15 e3.1 4.7 3.1 e5.0 40    112  7.8 75  1430  5.2 2.6 2.6
 
16 e3.0 4.4 3.0 e4.4 172    64  8.0 52  551  3.9 2.4 2.5
17 e2.9 4.3 2.8 e4.0 162    47  19    43  160  3.4 2.4 2.8
18 e4.0 4.0 13    e3.7 69    38  16    37  80  173    2.5 2.6
19 14    4.0 31    e3.5 111    99  22    35  65  441    2.4 2.6
20 6.4 4.0 23    e3.8 370    165  90    32  53  347    2.2 2.5
 
21 5.5 3.8 13    e3.6 281    174  119    30  40  84    2.3 2.3
22 4.6 3.9 9.4 e3.2 148    98  60    31  33  33    2.2 2.4
23 e2.6 3.6 7.4 e2.9 96    62  28    24  28  21    2.1 2.6
24 e2.6 3.5 e6.0 e2.8 62    42  37    20  24  13    2.2 2.5
25 51    3.7 e5.0 e3.0 44    38  96    135  21  7.8 2.4 2.4
 
26 37    3.5 e4.8 e3.3 e30    36  329    158  701  5.3 2.5 7.1
27 15    3.5 e4.5 e4.5 e23    29  125    61  613  4.3 2.7 27   
28 9.9 3.4 e4.7 e3.7 e21    31  74    33  221  3.7 2.9 3.4
29 127    3.3 e5.0 e3.5 ---    40  76    44  67  3.6 2.9 2.3
30 79    3.2 e9.0 e3.7 ---    33  64    33  42  3.3 3.1 2.0
 
31 20    ---    38    e4.2 ---    28  ---    25  ---  11    11    ---   

TOTAL 455.3 131.9 219.6 297.0 1710.9 1898 1385.8 5823 10296 1397.6 701.7 1228.2
MEAN 14.7 4.40 7.08 9.58 61.1 61.2 46.2 188 343 45.1 22.6 40.9
MAX 127 8.0 38 36 370 174 329 799 1960 441 356 449
MIN 2.6 3.2 2.3 2.8 4.2 18 7.8 20 16 3.3 2.1 2.0
CFSM 0.10 0.03 0.05 0.06 0.40 0.40 0.30 1.22 2.23 0.29 0.15 0.27
IN. 0.11 0.03 0.05 0.07 0.41 0.46 0.33 1.41 2.49 0.34 0.17 0.30
e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1967 - 2003, BY WATER YEAR (WY)
MEAN 27.5 85.5 159 137 206 219 233 165 114 71.7 31.8 25.7
MAX 165 509 902 562 646 927 738 957 501 570 296 408
(WY) 1987 1985 1983 1974 1982 1978 1994 2002 1998 1969 1998 1993
MIN 0.23 0.34 0.42 0.31 9.25 6.74 13.4 5.26 0.91 1.44 0.75 0.093
(WY) 1972 1972 1977 1977 1978 1981 2000 1977 1988 1984 1971 1988

SUMMARY STATISTICS FOR 2002 CALENDAR YEAR FOR 2003 WATER YEAR WATER YEARS 1967 - 2003
ANNUAL TOTAL 55098.1       25545.0      
ANNUAL MEAN 151          70.0       122         
HIGHEST ANNUAL MEAN 244          1983
LOWEST ANNUAL MEAN 23.1       1980
HIGHEST DAILY MEAN 5420              May 8 1960              Jun 14 7740          Apr 12 1979
LOWEST DAILY MEAN 2.3   A     Dec 7-9 2.0   B     Sep 30 0.00     C
ANNUAL SEVEN-DAY MINIMUM 2.4           Dec 5 2.3           Aug 19 0.00     Sep 29 1968
MAXIMUM PEAK FLOW 2060              Jun 14 10600      D Apr 12 1979
MAXIMUM PEAK STAGE 14.14         Jun 14 17.94 E May 17 1990
INSTANTANEOUS LOW FLOW 1.8           Sep 30
ANNUAL RUNOFF (CFSM) 0.98     0.45     0.80    
ANNUAL RUNOFF (INCHES) 13.31     6.17     10.80    
10 PERCENT EXCEEDS 319          157          300         
50 PERCENT EXCEEDS 16          12          16         
90 PERCENT EXCEEDS 3.4       2.7       0.85    

A - Estimated, but may have been less during periods of estimated discharge in October and December.

B - May have been less during periods of estimated discharge in October and December.

C - Several days in 1967-68, 1973, 1988.

D - Gage height, 17.52 ft.

E - Discharge, 9,170 ft3/s.


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data