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DESCRIPTION:

Latitude 41°40'44",   Longitude 88°00'03"   NAD27

Cook County, Illinois, Hydrologic Unit 07120004

Drainage area: 738.00 square miles

Datum of gage: 551.76 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	2020-08-14	2024-04-18
Daily Data
Gage height, feet	2020-08-15	2024-04-17	1242
Daily Statistics
Gage height, feet	2020-08-15	2023-12-13	1123
Monthly Statistics
Gage height, feet	2020-08	2023-12
Annual Statistics
Gage height, feet	2020	2024
Field measurements	1957-11-05	1957-11-06	3
Water-Year Summary	2020	2023	4
Revisions	Loading...

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