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
DAYOCTNOVDECJANFEBMARAPRMAYJUNJULAUGSEP
 
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


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Introduction

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Surface-Water Data

Ground-Water Data

Meteorological Data

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