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DESCRIPTION:

Latitude 41°23'19.6",   Longitude 88°15'41.7"   NAD83

Grundy County, Illinois, Hydrologic Unit 071200011809

Datum of gage: -0.21 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	2012-09-07	2025-08-28
Daily Data
Temperature, water, degrees Celsius	2012-09-07	2025-08-27	14105
Gage height, feet	2013-02-13	2025-08-27	4551
Daily Statistics
Temperature, water, degrees Celsius	2012-09-07	2025-04-22	4575
Gage height, feet	2013-02-13	2025-04-22	4424
Monthly Statistics
Temperature, water, degrees Celsius	2012-09	2025-04
Gage height, feet	2013-02	2025-04
Annual Statistics
Temperature, water, degrees Celsius	2012	2025
Gage height, feet	2013	2025
Water-Year Summary	2012	2024	13
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