Station list     Available data
ILLINOIS RIVER BASIN


05535000       SKOKIE RIVER AT LAKE FOREST, IL

 

LOCATION.-- Lat 42°13'57", long 87°50'43" (NAD of 1983), in NW1/4SW1/4 sec.4, T.43 N., R.12 E., Lake County, Hydrologic Unit 07120003, on right bank at upstream side of bridge on Westleigh Road at Lake Forest and at mile 13.1.
 

DRAINAGE AREA.-- 13.0 mi2.
 

PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE
 

DISCHARGE: October 1951 to current year. Prior to October 1952, records published with those for streams in the St. Lawrence River Basin (WSP 1237).
 

STAGE: Water years 1994 to current year.
 

REVISED RECORDS.-- WDR IL-75-1: Drainage area.
 

GAGE.-- Water-stage recorder and phone telemeter. Datum of gage is 648.75 ft above NGVD of 1929 (648.44 ft NAVD 1988).
 

EXTREMES FOR PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 580 ft3/s, Oct. 13, 2001, gage height, 7.78 ft; maximum gage height, 8.35 ft, July 22, 1982; no flow many days in 1959 and several days in 2005.
 

REMARKS FOR CURRENT YEAR.-- Records fair except those for estimated daily discharges, which are poor.
Discharge, cubic feet per second, WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
 
1 0.44 69    51      2.7 3.4 17    6.2 1.8 1.4   0.58 0.27 e0.56
2 3.4   41    32      19    2.9 14    6.1 1.8 1.4   0.44 0.19 e0.50
3 0.36 27    23      14    3.8 12    4.9 1.6 1.3   0.39 0.34 e0.45
4 0.26 53    21      12    6.8 11    4.7 1.5 2.7   27      0.12 e0.30
5 0.25 29    23      8.2 16    14    4.4 1.5 3.5   13      0.05 e0.28
 
6 0.22 21    40      e6.4 28    19    5.0 1.5 2.0   9.4   0.02 e0.25
7 0.30 12    68      e5.6 57    31    3.6 1.5 3.5   4.7   0.03 e0.24
8 6.1   7.0 36      5.0 41    18    3.1 1.6 1.4   2.5   0.03 e0.80
9 1.9   4.0 22      4.6 25    13    2.8 2.5 1.3   1.4   0.01 e0.20
10 0.61 3.7 19      4.3 18    12    2.5 4.8 1.1   0.80 0.02 e0.21
 
11 0.42 2.9 18      7.4 15    11    2.4 17    1.4   0.47 0.05 e0.22
12 0.45 2.3 14      56    14    9.7 9.0 9.4 1.3   0.53 38      e0.21
13 0.85 2.1 11      148    33    8.9 6.0 14    3.4   0.68 14      e0.22
14 0.73 1.9 e8.0   66    79    7.5 4.5 9.1 1.4   0.39 7.6   e0.25
15 0.82 1.7 e5.2   40    62    7.2 3.7 5.7 1.2   0.85 5.1   e0.55
 
16 0.91 2.6 e3.6   28    44    8.6 2.9 4.9 1.3   0.27 4.9   e4.1  
17 0.39 2.2 e2.5   16    26    8.7 2.6 4.1 1.1   0.33 2.4   e0.25
18 0.31 3.9 e1.8   12    20    9.1 3.1 3.6 0.87 0.21 28      e0.22
19 0.34 44    e1.3   10    16    16    2.3 30    0.77 0.59 18      e15     
20 0.58 23    e0.90 8.6 19    12    2.7 13    1.1   26      45      e0.36
 
21 0.45 13    e0.70 6.9 22    10    2.0 8.0 0.81 13      16      e0.35
22 0.37 9.8 e0.30 7.4 20    9.1 9.1 5.7 0.78 8.3   10      e2.8  
23 20      6.6 e0.24 e7.6 16    8.4 7.3 4.5 0.71 8.4   8.6   e1.0  
24 5.3   14    e0.23 7.1 14    7.4 4.3 3.9 0.60 7.0   5.8   e0.18
25 5.0   27    e0.22 7.2 13    7.6 3.3 3.1 0.49 5.6   4.1   e0.17
 
26 3.9   25    e0.23 6.7 11    7.4 2.7 2.1 0.47 7.6   2.6   e8.0  
27 1.6   63    0.86 5.4 11    6.2 2.7 1.9 0.48 8.3   11      e0.74
28 1.3   46    0.96 4.9 24    6.2 2.3 2.9 0.47 3.4   1.2   e0.74
29 10      33    1.0   4.8 ---    5.5 2.0 1.8 0.53 1.3   0.83 e5.8  
30 22      38    1.2   4.7 ---    7.5 1.9 1.5 0.55 0.84 e0.73 e5.0  
 
31 42      ---    3.0   4.2 ---    9.9 ---    1.5 ---      0.50 e0.62 ---     

TOTAL 131.56 628.7 410.24 540.7 660.9 344.9 120.1 167.8 39.33 154.77 225.61 49.95
MEAN 4.24 21.0 13.2 17.4 23.6 11.1 4.00 5.41 1.31 4.99 7.28 1.67
MAX 42 69 68 148 79 31 9.1 30 3.5 27 45 15
MIN 0.22 1.7 0.22 2.7 2.9 5.5 1.9 1.5 0.47 0.21 0.01 0.17
CFSM 0.33 1.61 1.02 1.34 1.82 0.86 0.31 0.42 0.10 0.38 0.56 0.13
IN. 0.38 1.80 1.17 1.55 1.89 0.99 0.34 0.48 0.11 0.44 0.65 0.14
e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1952 - 2005, BY WATER YEAR (WY)
MEAN 7.79 10.6 10.7 9.55 13.7 22.3 23.8 16.2 12.5 8.37 7.17 8.07
MAX 53.7 44.5 53.7 42.4 35.5 82.3 56.9 54.3 41.6 33.3 41.7 61.7
(WY) 2002 1986 1983 1974 1997 1979 1983 1996 1996 1993 1972 1986
MIN 0.83 0.73 1.20 0.29 0.66 4.01 4.00 2.26 0.91 1.29 1.26 0.36
(WY) 1957 2000 1959 1959 2003 1956 2005 1988 1988 1991 1955 2004

SUMMARY STATISTICS FOR 2004 CALENDAR YEAR FOR 2005 WATER YEAR WATER YEARS 1952 - 2005
ANNUAL TOTAL 5288.42     3474.56      
ANNUAL MEAN 14.4       9.52       12.5        
HIGHEST ANNUAL MEAN 22.2         1974
LOWEST ANNUAL MEAN 3.54       1963
HIGHEST DAILY MEAN 170      A     May 22 148                Jan 13 444            Sep 27 1986
LOWEST DAILY MEAN 0.11         Sep 9,12 0.01   B     Aug 9 0.00       C
ANNUAL SEVEN-DAY MINIMUM 0.13         Sep 8 0.03           Aug 5 0.00       Jan 3 1959
MAXIMUM PEAK FLOW 208                Jan 13 580        D Oct 13 2001
MAXIMUM PEAK STAGE 4.68           Jan 13 8.35   E Jul 22 1982
INSTANTANEOUS LOW FLOW 0.00           F
ANNUAL RUNOFF (CFSM) 1.11     0.732     0.965    
ANNUAL RUNOFF (INCHES) 15.13     9.94       13.11      
10 PERCENT EXCEEDS 40          26            28           
50 PERCENT EXCEEDS 4.6       4.1         5.2        
90 PERCENT EXCEEDS 0.38     0.32       1.3        

A - Estimated.

B - May have been less during period of estimated discharges, Aug. 30 - Sept. 30.

C - Many days in 1959 and several days in 2005.

D - Gage height, 7.78 ft.

E - Discharge, 435 ft3/s.

F - Several days.


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data