Station list     Available data
ILLINOIS RIVER BASIN


05550300       TYLER CREEK AT ELGIN, IL



LOCATION.-- Lat 42°03'31", long 88°18'14", in SE1/4SE1/4 sec.3, T.41 N., R.9 E., Kane County, Hydrologic Unit 07120006, on right bank 50 ft upstream from bridge on Big Timber Road, .5 mi west of Elgin, and at mile 1.6.

DRAINAGE AREA.-- 38.9 mi2.

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

DISCHARGE: May 1998 to current year.
 

STAGE: Water years 1998-2001.
 

PARTIAL RECORD: Miscellaneous discharge measurements, November 1990.
PRECIPITATION: October 1998 to current year.

GAGE.-- Water-stage recorder, phone telemeter, rain gage, and crest-stage gage. Datum of gage is 745.00 ft above sea level.

REMARKS.-- Collection, computation and publication of precipitation data do not necessarily conform to standards used by the National Weather Service. Precipitation data could be subject to error for days with freezing and/or thawing of precipitation.

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 953 ft3/s, June 13, 1999, gage height, 8.23 ft; minimum discharge, 1.2 ft3/s, July 20, 2001.
PRECIPITATION: Maximum daily total, 3.06 in., October 17, 1998.

REMARKS FOR CURRENT YEAR.-- Records good except those for estimated daily discharges, which are poor.
DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 2000 TO SEPTEMBER 2001
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
 
1 11    7.0 24    e7.7 52  75  26  23  63    7.4 2.7 1.7
2 9.4 10    22    e7.9 41  67  25  22  92    7.0 3.4 1.6
3 12    7.6 21    e9.2 43  61  24  22  69    9.6 3.0 4.5
4 33    6.4 20    e9.5 35  60  23  19  50    10    2.5 3.0
5 29    5.9 17    e9.5 30  49  30  18  81    6.6 2.3 1.9
 
6 23    36    16    10    27  40  61  19  96    6.8 2.1 5.5
7 19    89    17    10    26  36  61  37  69    9.2 2.1 7.4
8 17    62    14    9.3 56  35  45  40  54    5.4 2.1 13   
9 19    135    13    9.0 404  31  44  29  43    4.3 13    18   
10 16    143    14    9.0 346  29  38  31  35    5.5 7.6 10   
 
11 21    95    10    9.4 211  34  57  121  33    7.2 3.3 6.8
12 14    72    e10    9.9 140  39  147  88  44    4.8 2.3 4.1
13 11    61    e11    10    106  44  96  57  33    3.5 3.0 3.1
14 11    51    e12    14    97  39  69  46  27    3.6 2.0 2.9
15 10    43    e11    18    89  71  68  42  38    3.8 1.8 2.7
 
16 9.1 39    e13    20    75  110  61  34  41    3.6 14    2.5
17 10    35    e11    19    57  82  51  28  36    3.1 3.9 7.0
18 8.9 32    e10    20    50  82  45  27  35    3.5 3.4 7.3
19 8.5 29    e11    18    45  69  42  25  30    2.4 3.4 51   
20 8.6 26    e10    16    40  61  45  24  23    1.8 2.4 48   
 
21 8.6 22    e8.8 15    36  55  64  30  23    29    2.2 77   
22 8.0 20    e10    14    35  50  57  28  21    12    9.3 39   
23 8.4 20    e9.1 13    30  46  50  25  19    11    4.5 34   
24 9.1 19    e8.3 12    116  41  39  25  16    6.9 3.6 31   
25 9.9 23    e8.3 11    418  35  34  23  14    6.3 5.6 21   
 
26 11    27    e8.4 11    243  31  33  35  14    5.1 4.8 17   
27 8.9 26    e8.0 10    155  29  29  51  12    4.3 4.1 14   
28 7.7 25    e7.6 10    98  29  25  42  8.5 4.1 3.2 11   
29 7.1 26    e7.8 26    ---  29  24  32  7.6 4.0 2.3 7.4
30 6.5 25    e8.5 60    ---  27  23  25  8.3 3.7 2.4 6.2
 
31 6.8 ---    e8.6 71    ---  27  ---  34  ---    3.0 2.3 ---   

TOTAL 392.5 1217.9 380.4 498.4 3101 1513 1436 1102 1135.4 198.5 124.6 459.6
MEAN 12.7 40.6 12.3 16.1 111 48.8 47.9 35.5 37.8 6.40 4.02 15.3
MAX 33 143 24 71 418 110 147 121 96 29 14 77
MIN 6.5 5.9 7.6 7.7 26 27 23 18 7.6 1.8 1.8 1.6
CFSM .33 1.04 .32 .41 2.85 1.25 1.23 .91 .97 .16 .10 .39
IN. .38 1.16 .36 .48 2.97 1.45 1.37 1.05 1.09 .19 .12 .44
e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1998 - 2001, BY WATER YEAR (WY)
MEAN 16.7 23.3 14.4 31.3 67.9 35.0 68.6 38.1 60.0 17.9 6.38 12.9
MAX 23.2 40.6 18.9 67.6 111 48.8 117 42.9 105 35.8 8.92 19.4
(WY) 1999 2001 1999 1999 2001 2001 1999 1999 1999 2000 2000 2000
MIN 12.7 6.82 12.0 10.2 30.3 18.8 41.3 35.5 33.2 6.40 4.02 4.14
(WY) 2001 2000 2000 2000 2000 2000 2000 2001 1998 2001 2001 1998

SUMMARY STATISTICS FOR 2000 CALENDAR YEAR FOR 2001 WATER YEAR WATER YEARS 1998 - 2001
ANNUAL TOTAL 10015.3       11559.3  
ANNUAL MEAN 27.4       31.7  
HIGHEST ANNUAL MEAN 44.2       1999
LOWEST ANNUAL MEAN 24.7       2000
HIGHEST DAILY MEAN 225              Apr 21 418          Feb 25 571          Jun 14 1999
LOWEST DAILY MEAN 2.4   A     Sep 3-6 1.6       Sep 2 1.6       Sep 2 2001
ANNUAL SEVEN-DAY MINIMUM 2.5           Sep 1 2.5       Aug 30 2.1   A Sep 6 1999
MAXIMUM PEAK FLOW 602          Feb 9 953          Jun 13 1999
MAXIMUM PEAK STAGE 7.25     Feb 9 8.23     Jun 13 1999
INSTANTANEOUS LOW FLOW 1.2       Jul 20 1.2       Jul 20 2001
ANNUAL RUNOFF (CFSM) .70     .81
ANNUAL RUNOFF (INCHES) 9.58     11.05
10 PERCENT EXCEEDS 65          68      69         
50 PERCENT EXCEEDS 16          20      16         
90 PERCENT EXCEEDS 6.1       3.6   3.6      

A - Estimated.


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data