Station list     Available data
ILLINOIS RIVER BASIN


05534500       NORTH BRANCH CHICAGO RIVER AT DEERFIELD, IL



LOCATION.-- Lat 42°09'10", long 87°49'07", in SW1/4SE1/4 sec.34, T.43 N., R.12 E., Lake County, Hydrologic Unit 07120003, on right bank at upstream side of bridge on Lake-Cook Road, 1.7 mi southeast of Deerfield, 5.7 mi upstream from Skokie River, and at mile 64.7.

DRAINAGE AREA.-- 19.7 mi2.

PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE
 

DISCHARGE: August 1952 to current year.
 

STAGE: Water years 1994-2000.
SURFACE-WATER QUALITY
 

CHEMICAL: Wayer years 1978-91.

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

GAGE.-- Water-stage recorder, phone telemeter, and crest-stage gage. Datum of gage is 638.88 ft above sea level (Cook County Highway Department bench mark).

REMARKS FOR CURRENT YEAR.-- Records fair 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 18      .49 .26 .93 1.4 19    5.2 14    e59      .39 32      .36
2 12      .38 .26 1.5   1.4 15    4.5 20    e60      5.4   19      .36
3 23      .28 1.3   2.3   1.4 12    3.9 9.9 e35      199      12      .84
4 35      .26 4.3   3.4   e1.4 9.8 3.5 8.2 e14      141      7.8   .85
5 18      .26 53      2.5   e1.4 8.4 2.5 7.0 e59      94      8.0   .87
 
6 12      .26 29      2.1   1.4 7.4 1.6 5.7 e35      51      7.2   .99
7 9.1   .40 17      1.8   1.5 6.3 8.6 4.8 24      37      3.7   .61
8 6.3   .25 16      1.5   e1.6 5.3 26    5.9 22      20      2.8   .80
9 4.6   .28 13      5.6   1.7 7.3 25    58    16      11      2.7   .37
10 3.4   .58 11      10      2.7 6.9 18    42    12      222      2.0   .43
 
11 1.9   .38 7.5   9.6   3.8 5.4 15    25    14      231      1.8   29     
12 1.4   .34 5.5   7.2   4.5 4.4 15    30    24      138      1.7   90     
13 1.4   .29 4.2   e4.1   3.7 3.4 12    24    105      102      1.9   32     
14 1.5   .26 3.9   e3.2   3.5 2.7 9.8 19    116      124      1.7   35     
15 1.7   .27 4.9   e2.9   3.3 3.1 8.0 16    97      62      1.6   26     
 
16 1.6   .42 4.9   e2.5   4.0 4.4 8.8 14    55      36      1.6   16     
17 1.3   .48 4.5   2.4   4.3 2.8 16    11    30      19      22      10     
18 1.1   .33 5.2   2.1   4.1 2.1 10    72    15      7.3   13      7.0  
19 .93 .34 3.2   2.0   7.4 2.9 36    259    3.3   3.7   5.3   4.2  
20 .80 .37 e2.5   e1.8   17    20    270    124    12      2.6   3.8   7.0  
 
21 1.0   .29 e1.9   1.6   10    22    351    e60    12      2.1   3.3   7.7  
22 2.3   .27 1.5   1.5   34    19    173    e55    3.8   1.2   1.7   35     
23 .97 1.9   e1.4   e1.5   74    17    139    e40    .68 .94 1.4   142     
24 .48 .43 e1.0   e1.5   112    15    129    e16    3.5   1.1   1.3   79     
25 .53 .57 .85 e1.4   94    13    86    e10    53      1.0   .94 47     
 
26 .76 .46 e.86 e1.3   61    10    54    e12    68      .74 1.5   30     
27 .30 .58 .76 e1.3   45    9.2 48    e25    52      1.6   .82 20     
28 .30 .88 .79 1.2   33    7.9 23    e55    27      3.0   .48 13     
29 .36 .36 1.0   1.2   24    7.8 14    e35    13      1.3   .56 8.2  
30 .45 .27 .93 1.4   ---    6.7 11    e20    1.9   2.1   .82 5.3  
 
31 .46 ---      .90 1.4   ---    6.9 ---    e57    ---      33      .40 ---     

TOTAL 162.94 12.93 203.31 84.73 558.5 283.1 1527.4 1154.5 1042.18 1554.47 164.82 649.88
MEAN 5.26 .43 6.56 2.73 19.3 9.13 50.9 37.2 34.7 50.1 5.32 21.7
MAX 35 1.9 53 10 112 22 351 259 116 231 32 142
MIN .30 .25 .26 .93 1.4 2.1 1.6 4.8 .68 .39 .40 .36
CFSM .27 .02 .33 .14 .98 .46 2.58 1.89 1.76 2.55 .27 1.10
IN. .31 .02 .38 .16 1.05 .53 2.88 2.18 1.97 2.94 .31 1.23

e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1953 - 2000, BY WATER YEAR (WY)
MEAN 6.88 13.1 14.7 12.6 18.9 34.6 37.8 20.2 15.9 10.1 8.43 8.62
MAX 42.8 76.3 95.9 62.8 64.2 153 109 108 64.3 59.7 59.9 70.5
(WY) 1987 1986 1983 1974 1997 1979 1999 1996 1996 1982 1990 1972
MIN .094 .16 .048 .000 .082 3.89 6.40 2.16 .79 .44 .22 .023
(WY) 1961 1963 1963 1963 1963 1968 1986 1992 1963 1965 1966 1966

SUMMARY STATISTICS FOR 1999 CALENDAR YEAR FOR 2000 WATER YEAR WATER YEARS 1953 - 2000
ANNUAL TOTAL 9906.23 7398.76
ANNUAL MEAN 27.1   20.2   16.8  
HIGHEST ANNUAL MEAN 32.2   1974
LOWEST ANNUAL MEAN 2.32 1963
HIGHEST DAILY MEAN 490          Apr 23 351          Apr 21 601      Dec 3 1982
LOWEST DAILY MEAN .25     Nov 8 .25     Nov 8 .00 A
ANNUAL SEVEN-DAY MINIMUM .28     Nov 3 .28     Nov 3 .00 Oct 5 1953
INSTANTANEOUS PEAK FLOW 437          Apr 21 933      Aug 14 1987
INSTANTANEOUS PEAK STAGE 9.78     Apr 21 11.52 Aug 14 1987
INSTANTANEOUS LOW FLOW .21     Nov 9,July 2
ANNUAL RUNOFF (CFSM) 1.38 1.03 .85
ANNUAL RUNOFF (INCHES) 18.71 13.97 11.58
10 PERCENT EXCEEDS 69      55      41     
50 PERCENT EXCEEDS 6.1   4.9   4.7  
90 PERCENT EXCEEDS .58 .47 .34
A - At times in most years.


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data