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 1998-2000.
 

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.--
PRECIPITATION: Maximum, 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 1999 TO SEPTEMBER 2000
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
 
1 32    e8.5 3.2 4.7 6.1 41    9.5 28  57  30    47    e2.7
2 24    e8.4 3.2 6.5 6.1 34    10    27  122  62    30    e2.5
3 31    e8.4 4.6 11    e6.6 30    10    25  83  125    20    e2.4
4 38    e8.3 12    12    e6.8 28    8.9 25  60  82    14    e2.4
5 30    e8.3 47    9.8 e6.5 26    8.2 23  75  57    15    e2.4
 
6 23    e8.2 40    9.3 e6.6 24    8.1 21  56  44    13    e2.4
7 19    e8.2 27    7.0 6.1 23    12    20  42  35    11    e2.6
8 17    e8.1 21    7.3 e6.6 22    13    22  32  31    11    e2.8
9 16    e8.2 18    13    7.1 21    18    50  27  27    8.8 e3.0
10 15    e8.1 15    25    8.4 18    14    70  24  119    6.8 e2.7
 
11 12    e8.0 14    27    8.6 17    13    53  31  83    5.7 59   
12 11    e8.0 13    20    13    16    11    42  64  61    5.2 69   
13 11    e8.0 12    15    8.0 16    9.9 33  118  47    5.9 33   
14 10    e7.6 10    14    7.8 16    10    27  111  33    4.7 26   
15 9.8 e6.4 12    12    7.6 16    9.4 24  102  27    4.3 17   
 
16 10    e6.4 12    9.8 7.7 15    16    27  80  22    3.9 10   
17 9.1 e6.5 9.5 6.4 9.6 13    19    27  56  19    14    7.0
18 8.6 e5.9 11    9.1 7.5 13    17    43  41  17    8.0 5.3
19 8.3 5.3 8.0 9.3 9.3 15    37    98  34  15    5.4 4.3
20 e8.0 4.8 9.2 e8.8 8.1 22    165    68  46  14    4.3 9.0
 
21 e7.8 5.3 e8.7 e8.3 12    20    225    49  39  12    4.1 6.5
22 e7.7 5.5 e8.2 e7.9 28    18    151    40  30  10    4.1 42   
23 e7.6 13    e7.7 e7.6 97    16    109    34  25  9.2 4.0 73   
24 e7.6 6.0 e7.3 e7.3 163    17    86    27  74  8.0 3.7 57   
25 e8.3 5.5 e6.8 e7.1 138    16    63    22  161  7.7 3.6 40   
 
26 e10    4.6 e6.4 e6.9 103    14    49    22  118  7.1 4.0 29   
27 e9.8 4.3 e5.9 e6.7 78    13    40    23  81  6.5 3.2 23   
28 e9.4 3.9 e5.5 e6.5 58    13    36    36  58  7.2 3.0 18   
29 e8.9 3.6 e5.2 e6.4 49    11    33    39  45  6.6 3.1 15   
30 e8.7 3.3 4.6 5.9 ---    9.8 28    31  36  12    e2.9 13   
 
31 e8.6 ---    4.5 7.8 ---    9.4 ---    36  ---  72    e2.8 ---   

TOTAL 437.2 204.6 372.5 315.4 880.1 583.2 1239.0 1112 1928 1108.3 276.5 582.0
MEAN 14.1 6.82 12.0 10.2 30.3 18.8 41.3 35.9 64.3 35.8 8.92 19.4
MAX 38 13 47 27 163 41 225 98 161 125 47 73
MIN 7.6 3.3 3.2 4.7 6.1 9.4 8.1 20 24 6.5 2.8 2.4
CFSM .36 .18 .31 .26 .78 .48 1.06 .92 1.65 .92 .23 .50
IN. .42 .20 .36 .30 .84 .56 1.18 1.06 1.84 1.06 .26 .56

e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1998 - 2000, BY WATER YEAR (WY)
MEAN 18.7 14.7 15.5 38.9 46.9 28.1 79.0 39.4 67.3 21.7 7.17 12.0
MAX 23.2 22.6 18.9 67.6 64.0 37.3 117 42.9 105 35.8 8.92 19.4
(WY) 1999 1999 1999 1999 1999 1999 1999 1999 1999 2000 2000 2000
MIN 14.1 6.82 12.0 10.2 30.3 18.8 41.3 35.9 33.2 11.6 6.08 4.14
(WY) 2000 2000 2000 2000 2000 2000 2000 2000 1998 1998 1998 1998

SUMMARY STATISTICS FOR 1999 CALENDAR YEAR FOR 2000 WATER YEAR WATER YEARS 1998 - 2000
ANNUAL TOTAL 15155.9       9038.8      
ANNUAL MEAN 41.5       24.7      
HIGHEST ANNUAL MEAN 44.2       1999
LOWEST ANNUAL MEAN 24.7       2000
HIGHEST DAILY MEAN 571              Jun 14 225              Apr 21 571          Jun 14 1999
LOWEST DAILY MEAN 1.8   A     Sep 10,11 2.4   A     Sep 3-6 1.8   A Sep 10,11 1999
ANNUAL SEVEN-DAY MINIMUM 2.1   A     Sep 6 2.5           Sep 1 2.1   A Sep 6 1999
INSTANTANEOUS PEAK FLOW 735              Jul 2 953          Jun 13 1999
INSTANTANEOUS PEAK STAGE 7.44         Jul 2 8.23     Jun 13 1999
INSTANTANEOUS LOW FLOW 2.4   B     Sep 5
ANNUAL RUNOFF (CFSM) 1.07     .63    
ANNUAL RUNOFF (INCHES) 14.49     8.64    
10 PERCENT EXCEEDS 95          59          72         
50 PERCENT EXCEEDS 21          13          15         
90 PERCENT EXCEEDS 4.6       4.7       3.6      
A - Estimated.
B - Observed, but may have been less during period of estimated daily discharges in August and September.


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data