Station list     Available data
ILLINOIS RIVER BASIN


05536121                         CHICAGO RIVER AT CHICAGO LOCK AND DAM AT CHICAGO, IL



LOCATION.--Lat 41°53'18", long 87°36'27", in NE1/4SE1/4 sec.10, T.39 N., R.14 E., Cook County, Hydrologic Unit 07120003, 0.2 mi east of Lake Shore Drive in Chicago, on left downstream side of lock guidewall, 100 ft downstream of the river-side lock gates at the Chicago River Lock and Dam.

DRAINAGE AREA.--Indeterminate.

PERIOD OF RECORD.--August to September 1997.

GAGE.--Water-stage recorder. Datum of gage is 579.48 ft above sea level (Chicago City datum).

REMARKS.--Gage provides stage data to determine Illinois' diversion of Lake Michigan water. Gage-height telemeter at station.

EXTREMES FOR PERIOD OF RECORD.--Maximum gage height, 4.14 ft, Aug. 16, 1997; minimum, -2.17 ft., Aug. 27, 1997.
GAGE HEIGHT, FEET, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
 
1 --- --- --- --- --- --- --- --- --- --- --- -1.54
2 --- --- --- --- --- --- --- --- --- --- --- -1.83
3 --- --- --- --- --- --- --- --- --- --- --- -1.66
4 --- --- --- --- --- --- --- --- --- --- --- -1.58
5 --- --- --- --- --- --- --- --- --- --- --- -1.69
 
6 --- --- --- --- --- --- --- --- --- --- --- -1.53
7 --- --- --- --- --- --- --- --- --- --- --- -1.71
8 --- --- --- --- --- --- --- --- --- --- --- -1.78
9 --- --- --- --- --- --- --- --- --- --- --- -1.75
10 --- --- --- --- --- --- --- --- --- --- --- -1.72
 
11 --- --- --- --- --- --- --- --- --- --- --- -1.62
12 --- --- --- --- --- --- --- --- --- --- --- -1.59
13 --- --- --- --- --- --- --- --- --- --- --- -1.60
14 --- --- --- --- --- --- --- --- --- --- --- -1.59
15 --- --- --- --- --- --- --- --- --- --- -1.51 -1.58
 
16 --- --- --- --- --- --- --- --- --- --- -.43 -1.53
17 --- --- --- --- --- --- --- --- --- --- 1.13 -1.63
18 --- --- --- --- --- --- --- --- --- --- -1.38 -1.50
19 --- --- --- --- --- --- --- --- --- --- -1.65 -1.59
20 --- --- --- --- --- --- --- --- --- --- -1.64 -1.38
 
21 --- --- --- --- --- --- --- --- --- --- -1.63 -1.58
22 --- --- --- --- --- --- --- --- --- --- -1.68 -1.69
23 --- --- --- --- --- --- --- --- --- --- -1.59 -1.69
24 --- --- --- --- --- --- --- --- --- --- -1.59 -1.60
25 --- --- --- --- --- --- --- --- --- --- -1.70 -1.58
 
26 --- --- --- --- --- --- --- --- --- --- -1.64 -1.61
27 --- --- --- --- --- --- --- --- --- --- -1.73 -1.53
28 --- --- --- --- --- --- --- --- --- --- -1.74 -1.73
29 --- --- --- --- --- --- --- --- --- --- -1.71 -1.60
30 --- --- --- --- --- --- --- --- --- --- -1.69 -1.49
 
31 --- --- --- --- --- --- --- --- --- --- -1.81 ---

MEAN --- --- --- --- --- --- --- --- --- --- --- -1.62
MAX --- --- --- --- --- --- --- --- --- --- --- -1.38
MIN --- --- --- --- --- --- --- --- --- --- --- -1.83


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data