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 1994-2001.
SURFACE-WATER QUALITY
 

CHEMICAL: Water 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).

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 933 ft3/s, Aug. 14, 1987, gage height, 11.52 ft; no flow at times in most years.

REMARKS FOR CURRENT YEAR.-- Records fair except those for estimated daily discharges, which are poor.
DISCHARGE, IN 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 8.0   .99 e14    e4.4 57  35  18  10    54      .44 .67 5.3
2 5.7   1.9   14    e4.4 42  23  15  8.4 64      .56 43      3.1
3 6.1   1.7   12    e4.3 34  23  14  7.0 39      .44 11      2.8
4 36      1.3   11    e4.4 27  22  14  6.4 25      .35 4.2   2.5
5 26      1.1   8.9 e4.6 22  18  16  6.2 43      .28 2.0   2.8
 
6 29      4.6   7.3 e5.0 19  15  27  6.2 43      .28 1.2   7.8
7 23      31      6.9 e5.1 16  14  23  13    30      32      .88 9.5
8 18      18      e5.0 e5.2 34  13  19  14    19      16      .75 5.2
9 14      59      e1.0 e5.2 411  11  25  10    25      9.2   8.7   8.2
10 9.9   74      e1.6 e5.2 239  11  24  20    12      5.9   27      13   
 
11 11      46      e1.4 e7.0 126  14  36  264    8.7   3.7   8.0   8.6
12 7.0   34      e1.4 e11    80  18  70  105    114      2.0   3.9   7.1
13 4.9   32      e1.5 18    51  21  45  47    67      1.5   2.7   5.2
14 4.2   26      e1.6 27    39  18  35  56    45      .90 2.3   4.1
15 2.8   20      e2.3 51    37  42  30  82    29      .70 1.1   2.2
 
16 2.3   17      e3.0 61    33  57  25  49    33      .50 17      1.6
17 2.1   15      e3.9 50    30  49  21  27    29      17      8.3   1.8
18 3.9   12      e4.2 39    22  49  18  18    31      11      4.9   3.5
19 6.0   10      e4.3 31    17  50  15  12    13      5.0   31      390   
20 6.4   8.2   e4.2 26    21  50  26  8.4 6.2   3.6   21      179   
 
21 6.3   7.4   e4.0 23    17  49  34  10    5.3   3.0   13      141   
22 6.5   6.0   e3.5 20    14  42  35  9.8 4.3   7.5   33      89   
23 6.4   4.6   e3.3 18    11  35  49  9.2 2.7   14      101      92   
24 4.4   4.4   e3.1 14    42  29  37  8.6 2.1   14      33      94   
25 2.1   5.6   e3.0 11    119  23  26  8.3 1.5   9.4   31      45   
 
26 1.6   13      e3.0 11    59  19  21  17    1.2   5.9   36      31   
27 3.9   e24      e3.1 9.6 43  16  18  102    .96 3.8   18      23   
28 2.6   e21      e3.2 7.7 32  16  15  58    .69 2.6   13      17   
29 1.3   e16      e3.4 18    ---  16  13  49    .55 2.0   9.6   14   
30 .97 e16      e3.8 78    ---  14  11  27    .51 1.6   7.4   9.8
 
31 .97 ---      e4.1 81    ---  15  ---  19    ---      1.3   6.5   ---   

TOTAL 263.34 531.79 147.0 660.1 1694 827 775 1087.5 749.71 176.45 501.10 1219.1
MEAN 8.49 17.7 4.74 21.3 60.5 26.7 25.8 35.1 25.0 5.69 16.2 40.6
MAX 36 74 14 81 411 57 70 264 114 32 101 390
MIN .97 .99 1.0 4.3 11 11 11 6.2 .51 .28 .67 1.6
CFSM .43 .90 .24 1.08 3.07 1.35 1.31 1.78 1.27 .29 .82 2.06
IN. .50 1.00 .28 1.25 3.20 1.56 1.46 2.05 1.42 .33 .95 2.30
e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1953 - 2001, BY WATER YEAR (WY)
MEAN 6.91 13.2 14.5 12.8 19.7 34.4 37.6 20.5 16.1 10.0 8.59 9.27
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 2000 CALENDAR YEAR FOR 2001 WATER YEAR WATER YEARS 1953 - 2001
ANNUAL TOTAL 7961.71 8632.09
ANNUAL MEAN 21.8   23.6   16.9  
HIGHEST ANNUAL MEAN 32.2   1974
LOWEST ANNUAL MEAN 2.32 1963
HIGHEST DAILY MEAN 351          Apr 21 411          Feb 9 601      Dec 3 1982
LOWEST DAILY MEAN .36     Sep 1,2 .28     Jul 5,6 .00 A
ANNUAL SEVEN-DAY MINIMUM .54     Aug 27 .41     Jun 30 .00 Oct 5 1953
MAXIMUM PEAK FLOW 537          Sep 19 933      Aug 14 1987
MAXIMUM PEAK STAGE 10.35     Sep 19 11.52 Aug 14 1987
INSTANTANEOUS LOW FLOW .22     Jul 5
ANNUAL RUNOFF (CFSM) 1.10 1.20 .86
ANNUAL RUNOFF (INCHES) 15.03 16.30 11.67
10 PERCENT EXCEEDS 57      49      42     
50 PERCENT EXCEEDS 7.1   13      4.8  
90 PERCENT EXCEEDS 1.3   1.6   .36

A - At times in most years.


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data