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 2002 TO SEPTEMBER 2003
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
 
1 35    9.7   -3.5 3.7   2.9 8.0   6.8   32      195      18  e50  e11 
2 7.2 12      51    11      12    5.3   5.9   46      2.8   e82  e72  e177 
3 -2.2 4.4   12    67      5.8 10      4.1   -0.22 2.6   e34  e74  e208 
4 2.0 8.2   9.3 15      7.5 6.4   9.2   23      -0.61 e71  e149  e87 
5 153    2.9   14    5.7   2.2 9.5   -1.7   15      6.3   e75  e71  e200 
 
6 21    15      4.8 4.1   -1.9 -8.2   7.4   0.55 9.9   e2  e39  e3 
7 42    2.1   5.5 5.5   8.0 5.4   6.8   -6.2   82      e105  e149  e13 
8 15    27      1.3 63      8.1 4.7   4.0   4.3   46      e1  e200  e142 
9 18    9.5   -1.1 14      10    -1.3   0.58 29      175      e52  e240  e106 
10 83    13      97    7.8   11    -0.32 5.1   -2.5   23      e81  e240  e14 
 
11 134    7.8   8.5 109      5.0 3.0   6.1   34      72      e115  e157  e50 
12 61    117      9.5 10      -2.0 5.9   2.0   109      19      e80  e241  e28 
13 1.5 132      5.6 1.6   33    14      17      158      1.7   e74  e241  e10 
14 -4.3 1.0   67    5.1   15    0.93 12      61      200      e20  e241  e10 
15 13    90      8.0 50      -14    7.0   25      84      3.2   e96  e240  e113 
 
16 -7.0 114      4.8 57      -3.8 11      8.1   86      11      e71  e231  e88 
17 11    71      8.7 3.7   5.3 1.2   6.2   -3.6   16      e37  e170  e78 
18 6.8 0.59 22    11      5.4 2.2   2.7   108      42      e153  e240  e143 
19 15    90      19    3.6   20    13      9.7   115      89      e92  e240  e126 
20 -17    -3.8   12    2.9   6.3 6.9   153      209      6.2   e112  e240  e167 
 
21 -28    3.4   10    2.1   7.0 19      13      122      8.1   e165  e145  e225 
22 -14    63      6.0 5.8   8.9 9.2   60      4.5   139      e240  e240  e74 
23 5.7 15      -1.4 3.6   11    9.8   63      22      170      e240  e240  e185 
24 4.1 11      95    11      11    15      2.8   125      95      e240  e240  e93 
25 10    86      9.1 12      4.7 10      2.3   25      38      e240  e185  e91 
 
26 17    10      7.4 5.5   6.9 2.7   3.8   173      74      e137  e33  e2 
27 -1.2 16      107    10      3.7 7.8   8.6   94      82      e80  e114  e2 
28 4.7 5.3   8.8 12      11    11      2.3   93      17      e188  e117  e2 
29 36    8.6   2.1 9.2   ---    8.0   1.0   9.1   42      e240  e139  e67 
30 11    6.7   3.0 -13      ---    5.3   5.2   16      114      e240  e240  e26 
 
31 10    ---      97    0.97 ---    12      ---      21      ---      e194  e150  --- 

TOTAL 643.3 948.39 699.4 509.87 200.0 214.41 451.98 1805.93 1781.19 3575 5368 2541
MEAN 20.8 31.6 22.6 16.4 7.14 6.92 15.1 58.3 59.4 115 173 84.7
MAX 153 132 107 109 33 19 153 209 200 240 241 225
MIN -28 -3.8 -3.5 -13 -14 -8.2 -1.7 -6.2 -0.61 1.0 33 2.0
e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 2000 - 2003, BY WATER YEAR (WY)
MEAN 22.7 19.1 6.33 6.81 4.20 6.78 12.2 26.2 48.6 90.8 97.6 53.8
MAX 35.2 31.6 22.6 16.4 7.14 14.3 21.1 58.3 81.4 146 173 84.7
(WY) 2001 2003 2003 2003 2003 2001 2001 2003 2002 2002 2003 2003
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 2002 CALENDAR YEAR FOR 2003 WATER YEAR WATER YEARS 2000 - 2003
ANNUAL TOTAL 14532.89 18738.47    
ANNUAL MEAN 39.8   51.3      
HIGHEST ANNUAL MEAN
LOWEST ANNUAL MEAN
HIGHEST DAILY MEAN 207          Aug 25 241      A     Aug 12-14 241    A B
LOWEST DAILY MEAN -54          Aug 22 -28              Oct 21 -58        Oct 13 2001
ANNUAL SEVEN-DAY MINIMUM -4.7       Oct 16 -4.7           Oct 16 -4.7     Oct 16 2002
10 PERCENT EXCEEDS 142      168          104       
50 PERCENT EXCEEDS 9.3   12          12       
90 PERCENT EXCEEDS -2.3   1.6       -1.1    

A - Estimated by regression.

B - Aug. 12-14, 2003.


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data