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DESCRIPTION:

Latitude 41°53'18",   Longitude 87°36'27"   NAD27

Cook County, Illinois, Hydrologic Unit 07120003

Datum of gage: 579.48 feet above   NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	2007-10-01	2021-01-22
Daily Data
Gage height, feet	1997-08-15	2021-01-21	6796
Daily Statistics
Gage height, feet	1997-08-15	2020-10-04	6687
Monthly Statistics
Gage height, feet	1997-08	2020-10
Annual Statistics
Gage height, feet	1997	2021
Water-Year Summary	2008	2020	13
Revisions	Loading...

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