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 (438.41 ft NAVD 1988).
 

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, 17.95 ft, Jan. 6, 2005, discharge, 7,450 ft3/s; no flow for several days in 1967-68, 1973, 1988.
 

REMARKS FOR CURRENT YEAR.-- Records poor.
Discharge, cubic feet per second, WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
 
1 e1.6 97  610  e68  74  46  38  29    3.8 2.1   0.96 1.1  
2 e1.5 330  807  e100  69  43  34  29    4.8 2.0   0.99 1.0  
3 e1.5 263  614  1440  70  40  29  26    4.3 2.0   0.98 0.89
4 e1.5 221  219  3020  75  38  28  21    3.7 2.1   0.97 e0.88
5 e1.4 198  130  6220  84  36  27  17    3.7 2.5   1.3   e0.86
 
6 e1.4 126  184  6180  90  34  26  14    3.6 2.1   1.1   e0.86
7 e1.4 85  1730  2960  116  34  23  11    3.3 2.0   1.1   e0.84
8 e2.4 65  3570  1490  342  31  21  12    3.4 2.0   1.1   e0.82
9 e3.2 50  2300  653  432  29  20  11    7.7 2.1   1.1   e0.82
10 e2.6 41  1050  445  399  35  19  e10    5.8 2.0   1.2   e0.84
 
11 e2.2 209  413  374  218  37  18  e9.4 7.3 2.4   1.8   e0.82
12 e2.9 447  187  383  106  26  23  e8.8 4.9 8.9   0.90 e0.80
13 e5.2 351  e110  1470  404  23  21  e9.0 5.2 4.2   1.2   e0.80
14 e10    153  e76  3050  959  22  33  e14    40    3.9   4.4   e1.5  
15 7.4 96  e56  2080  1530  20  30  e26    11    7.8   1.2   17     
 
16 3.6 74  e47  899  950  18  21  e20    14    9.9   24      49     
17 4.9 66  e41  225  256  18  16  e16    20    1.6   4.6   3.7  
18 208    61  e38  129  114  18  14  e13    9.7 1.5   1.5   1.6  
19 301    73  e34  e100  87  18  12  e11    5.1 1.6   1.1   7.8  
20 103    96  e32  e92  75  17  12  39    3.4 1.3   0.95 282     
 
21 49    108  e29  e84  72  16  20  27    2.8 1.1   0.92 61     
22 21    97  e27  e78  68  79  44  23    2.5 1.0   0.88 14     
23 42    108  e26  e74  60  183  31  26    2.2 0.94 0.90 4.0  
24 68    481  e25  e68  57  140  28  19    2.2 0.96 0.90 1.7  
25 51    873  e24  e66  55  107  29  11    2.1 1.0   50      177     
 
26 169    1340  e23  e62  53  101  34  7.2 1.9 1.0   85      251     
27 297    962  e23  e60  49  90  28  5.7 2.1 2.0   26      93     
28 133    480  e22  58  48  70  24  5.5 2.9 0.98 13      47     
29 84    286  e25  57  ---  58  27  4.8 2.3 0.90 4.4   78     
30 71    337  e33  63  ---  50  35  5.1 2.2 0.85 1.8   98     
 
31 64    ---  e47  74  ---  44  ---  4.6 ---    0.91 1.3   ---     

TOTAL 1715.7 8174 12552 32122 6912 1521 765 485.1 187.9 75.64 237.55 1198.63
MEAN 55.3 272 405 1036 247 49.1 25.5 15.6 6.26 2.44 7.66 40.0
MAX 301 1340 3570 6220 1530 183 44 39 40 9.9 85 282
MIN 1.4 41 22 57 48 16 12 4.6 1.9 0.85 0.88 0.80
CFSM 0.36 1.77 2.63 6.73 1.60 0.32 0.17 0.10 0.04 0.02 0.05 0.26
IN. 0.41 1.97 3.03 7.76 1.67 0.37 0.18 0.12 0.05 0.02 0.06 0.29
e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1967 - 2005, BY WATER YEAR (WY)
MEAN 27.6 96.2 163 165 205 215 222 176 111 69.5 31.3 25.5
MAX 165 509 902 1036 646 927 738 957 501 570 296 408
(WY) 1987 1985 1983 2005 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 0.09
(WY) 1972 1972 1977 1977 1978 1981 2000 1977 1988 1984 1971 1988

SUMMARY STATISTICS FOR 2004 CALENDAR YEAR FOR 2005 WATER YEAR WATER YEARS 1967 - 2005
ANNUAL TOTAL 72142.4       65946.52    
ANNUAL MEAN 197          181          125           
HIGHEST ANNUAL MEAN 244            1983
LOWEST ANNUAL MEAN 23.1         1980
HIGHEST DAILY MEAN 4430              May 28 6220              Jan 5 7740            Apr 12 1979
LOWEST DAILY MEAN 1.4   A     Oct 5, 6, 7 0.80 B     Sep 12, 13 0.00       C
ANNUAL SEVEN-DAY MINIMUM 1.5   A     Oct 1 0.82 B     Sep 7 0.00       Sep 29 1968
MAXIMUM PEAK FLOW 7450              Jan 6 10600        D Apr 12 1979
MAXIMUM PEAK STAGE 17.95         Jan 6 17.95   E Jan 6 2005
INSTANTANEOUS LOW FLOW 0.73 F     Aug 21
ANNUAL RUNOFF (CFSM) 1.28     1.17     0.812    
ANNUAL RUNOFF (INCHES) 17.43     15.93     11.04      
10 PERCENT EXCEEDS 484          339          300           
50 PERCENT EXCEEDS 43          26          16           
90 PERCENT EXCEEDS 2.4       1.1       0.89      

A - Estimated, but may have been less during period of estimated discharges in October.

B - Estimated, but may have been less during period of estimated discharges in September.

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

D - Gage height, 17.52 ft.

E - Discharge, 7,450 ft3/s.

F - May have been less during period of estimated discharges in September.


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data