Station list     Available data
ILLINOIS RIVER BASIN


05536101       NORTH SHORE CHANNEL AT WILMETTE, IL

 

LOCATION.-- Lat 42°04'16", long 87°41'09" (NAD of 1927), in NE1/4SW1/4 sec.35, T.42 S., R.13 W., Cook County, Hydrologic Unit 07120003, on left bank at downstream side of bridge on Maple Avenue, 0.25 mi downstream from Wilmette Controlling Works, and at mile 7.3.
 

DRAINAGE AREA.-- Undetermined.
 

PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE
 

DISCHARGE: October 1999 to current year.
 

GAGE.-- Water-stage recorder, acoustic velocity meter, and phone telemetry. Datum of gage is 579.48 ft above NGVD of 1929 (Chicago City Datum).
 

REMARKS.--Estimated daily discharges determined from a regression relation between USGS mean discharges and mean daily discharges for the Metropolitan Water Reclamation District's Wilmette Controlling Works located 0.5 miles upstream.
 

EXTREMES FOR PERIOD OF RECORD.-- Maximum daily discharge, 241 ft3/s, Aug. 12-14, 2003, estimated by regression; minimum daily discharge, -58 ft3/s, Oct. 13, 2001.
 

REMARKS FOR CURRENT YEAR.-- Records good except those for estimated daily discharges, which are poor.
Discharge, cubic feet per second, WATER YEAR OCTOBER 2001 TO SEPTEMBER 2002
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
 
1 55      53    11      -0.60 3.9   2.9   -0.78 -3.0   128      145  83    136   
2 52      42    4.3   4.2   3.9   1.6   -8.7   -7.9   81      141  119    54   
3 54      37    -3.9   5.6   2.4   6.4   0.43 -4.4   -0.82 149  156    147   
4 15      37    3.4   -0.91 2.1   3.7   2.6   6.8   3.7   157  84    100   
5 1.5   53    7.4   5.9   5.7   5.8   -2.6   -9.8   -19      172  134    29   
 
6 -0.18 56    2.9   5.0   4.8   5.9   -2.4   16      32      152  164    69   
7 -5.3   54    0.24 5.8   5.7   11      2.1   -4.4   67      164  183    130   
8 26      26    4.3   3.1   7.6   16      -6.8   0.85 72      113  135    143   
9 54      16    5.6   1.1   10      8.7   -16      11      97      131  156    98   
10 3.1   36    -2.7   7.6   -0.92 -12      12      4.1   48      163  149    12   
 
11 20      26    4.5   4.4   11      9.3   1.1   24      49      151  155    30   
12 -10      41    6.4   -0.09 7.6   -0.49 -4.3   29      91      145  96    38   
13 -58      36    -1.6   2.2   6.0   5.9   -5.9   -5.1   -7.9   183  20    34   
14 52      37    0.57 3.9   6.0   -4.4   5.6   4.5   49      152  142    14   
15 -12      42    1.2   6.1   2.5   2.8   e23      14      15      139  40    15   
 
16 -2.5   28    4.8   0.98 6.3   -1.8   e39      -4.5   33      151  123    8.9
17 -3.9   28    -3.7   0.41 0.37 1.3   e39      -9.9   81      145  41    96   
18 1.5   28    -2.6   4.0   9.0   -7.7   e36      -13      154      158  68    15   
19 -2.5   20    7.4   0.14 8.9   0.40 e25      5.3   108      158  64    4.1
20 4.6   28    -3.7   -0.94 9.3   -2.3   e1      -3.9   126      157  138    -6.1
 
21 -13      40    0.47 1.6   3.6   -2.1   e1      2.1   137      137  86    49   
22 -2.3   34    4.9   3.0   0.31 3.0   e1      6.8   140      155  -54    91   
23 -1.6   45    3.3   -0.15 1.6   2.4   e1      14      144      171  -6.2 11   
24 27      5.3 2.5   -1.2   10      3.0   -0.46 -4.9   146      158  -17    8.2
25 -5.4   1.1 0.90 5.3   0.40 -2.0   8.1   6.7   62      161  207    15   
 
26 8.9   6.3 -1.6   7.4   -1.6   3.4   -1.2   10      50      131  73    21   
27 -10      19    0.44 9.9   0.41 0.80 3.8   4.3   135      85  94    8.6
28 2.6   35    0.33 1.4   2.4   4.4   6.4   -9.4   154      134  130    19   
29 37      18    4.9   -1.7   ---      -13      12      12      145      127  133    30   
30 54      6.6 5.2   -0.04 ---      12      -1.7   25      121      129  142    23   
 
31 60      ---    -1.3   7.5   ---      5.7   ---      90      ---      100  140    ---   

TOTAL 401.52 934.3 65.85 90.90 129.27 70.61 169.29 206.25 2440.98 4514 3177.8 1442.7
MEAN 13.0 31.1 2.12 2.93 4.62 2.28 5.64 6.65 81.4 146 103 48.1
MAX 60 56 11 9.9 11 16 39 90 154 183 207 147
MIN -58 1.1 -3.9 -1.7 -1.6 -13 -16 -13 -19 85 -54 -6.1
e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 2000 - 2002, BY WATER YEAR (WY)
MEAN 23.3 15.0 0.91 3.60 3.22 6.74 11.3 15.6 45.0 82.7 72.5 43.5
MAX 35.2 31.1 2.12 6.74 4.62 14.3 21.1 31.0 81.4 146 103 53.4
(WY) 2001 2002 2002 2001 2002 2001 2001 2001 2002 2002 2002 2000
MIN 13.0 2.88 0.20 1.11 2.18 2.28 5.64 6.65 19.5 42.9 34.9 28.9
(WY) 2002 2000 2001 2000 2000 2002 2002 2002 2000 2001 2001 2001

SUMMARY STATISTICS FOR 2001 CALENDAR YEAR FOR 2002 WATER YEAR WATER YEARS 2000 - 2002
ANNUAL TOTAL 8032.12 13643.47
ANNUAL MEAN 22.0   37.4  
HIGHEST ANNUAL MEAN
LOWEST ANNUAL MEAN
HIGHEST DAILY MEAN 74          Sep 30 207          Aug 25 207      Aug 25 2002
LOWEST DAILY MEAN -58          Oct 13 -58          Oct 13 -58      Oct 13 2001
ANNUAL SEVEN-DAY MINIMUM -4.7       Oct 12 -4.7       Oct 12 -4.7   Oct 12 2001
10 PERCENT EXCEEDS 47      141      82     
50 PERCENT EXCEEDS 24      8.1   12     
90 PERCENT EXCEEDS -1.1   -3.7   -1.5  



Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data