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 2000 TO SEPTEMBER 2001
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
 
1 27  e49      2.3   1.3   -1.1   17      14    38    3.7 44  39  27     
2 27  e49      0.41 0.05 1.1   1.9   25    45    1.8 37  18  25     
3 27  e49      -1.3   -1.2   -0.71 -0.58 25    40    18    42  28  48     
4 e1  e49      -1.9   -0.83 0.05 2.8   27    39    42    49  43  68     
5 e45  e49      1.7   0.78 -0.62 5.5   19    44    3.2 49  42  51     
 
6 e49  e44      -0.30 -0.54 13      30      12    33    30    42  36  45     
7 e49  8.1   -0.17 -2.0   23      27      26    10    44    14  29  27     
8 e61  27      -0.25 -2.4   2.7   26      25    14    46    44  46  19     
9 e50  -2.9   -1.1   -1.5   20      24      20    33    49    44  34  -0.70
10 e49  1.2   0.63 -2.0   0.64 23      20    30    47    51  42  38     
 
11 e49  1.7   -1.4   1.4   3.0   22      1.9 29    42    46  39  43     
12 e49  0.27 -2.4   1.7   0.68 4.9   17    40    24    46  43  35     
13 e39  0.59 -3.2   20      -1.1   -0.47 26    45    56    48  42  39     
14 e29  -0.29 -0.47 26      0.11 0.11 28    22    36    49  45  35     
15 e29  -0.31 -0.20 29      -0.60 1.1   11    48    28    53  28  30     
 
16 e29  -0.31 -2.2   29      11      3.3   18    45    45    48  22  40     
17 e29  -0.55 -0.31 27      1.8   -0.77 25    45    40    24  36  41     
18 e29  -0.87 -0.62 25      -0.53 0.56 25    41    27    41  15  25     
19 24  -3.2   0.15 21      1.7   2.4   19    44    37    51  16  2.7  
20 23  0.46 0.14 13      -0.31 13      20    30    42    52  44  20     
 
21 22  -4.3   0.48 -3.8   -0.87 28      14    19    20    47  38  17     
22 23  -2.4   0.89 -3.4   1.2   28      14    34    44    25  19  34     
23 22  -3.7   0.36 -1.6   1.4   27      10    25    50    15  48  -3.6  
24 32  -2.7   2.6   -1.3   2.4   27      27    15    46    50  39  -6.4  
25 38  -2.4   4.1   0.93 1.5   18      22    25    45    27  25  -2.7  
 
26 41  1.6   1.1   12      1.4   1.3   28    20    26    50  32  15     
27 38  1.3   0.09 17      0.35 11      30    -1.1 26    50  51  23     
28 37  19      2.1   10      0.33 28      26    14    31    45  25  29     
29 38  0.32 1.2   -1.5   ---      27      29    37    27    45  34  29     
30 38  1.5   2.2   -3.9   ---      27      30    43    48    49  41  74     
 
31 e47  ---      1.7   -0.11 ---      17      ---    16    ---    52  43  ---     

TOTAL 1090 328.11 6.33 209.08 81.52 442.05 633.9 961.9 1024.7 1329 1082 866.30
MEAN 35.2 10.9 0.20 6.74 2.91 14.3 21.1 31.0 34.2 42.9 34.9 28.9
MAX 61 49 4.1 29 23 30 30 48 56 53 51 74
MIN 1.0 -4.3 -3.2 -3.9 -1.1 -0.77 1.9 -1.1 1.8 14 15 -6.4
e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 2000 - 2001, BY WATER YEAR (WY)
MEAN 28.5 6.91 0.31 3.93 2.54 8.97 14.1 20.0 26.9 51.2 57.4 41.2
MAX 35.2 10.9 0.41 6.74 2.91 14.3 21.1 31.0 34.2 59.6 80.0 53.4
(WY) 2001 2001 2000 2001 2001 2001 2001 2001 2001 2000 2000 2000
MIN 21.8 2.88 0.20 1.11 2.18 3.68 7.09 8.97 19.5 42.9 34.9 28.9
(WY) 2000 2000 2001 2000 2000 2000 2000 2000 2000 2001 2001 2001

SUMMARY STATISTICS FOR 2000 CALENDAR YEAR FOR 2001 WATER YEAR WATER YEARS 2000 - 2001
ANNUAL TOTAL 8642.54 8054.89
ANNUAL MEAN 23.6   22.1  
HIGHEST ANNUAL MEAN
LOWEST ANNUAL MEAN
HIGHEST DAILY MEAN 141          Sep 4 74          Sep 30 141      Sep 4 2000
LOWEST DAILY MEAN -47          Sep 12 -6.4       Sep 24 -47      Sep 12 2000
ANNUAL SEVEN-DAY MINIMUM -3.5       May 3 -2.6       Nov 19 -3.5   May 3 2000
10 PERCENT EXCEEDS 76      48      50     
50 PERCENT EXCEEDS 5.2   24      15     
90 PERCENT EXCEEDS -1.7   -0.70 -0.87



Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data