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DESCRIPTION:

Latitude 37°20'06",   Longitude 88°55'31"   NAD83

Johnson County, Illinois, Hydrologic Unit 05140206

Drainage area: 244 square miles

Datum of gage: 307.74 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1989-10-01	2024-11-24
Daily Data
Discharge, cubic feet per second	1922-10-26	2024-11-23	37207
Gage height, feet	1985-10-01	2024-11-23	11503
Daily Statistics
Discharge, cubic feet per second	1922-10-26	2024-10-02	37155
Gage height, feet	1985-10-01	2024-10-02	11451
Monthly Statistics
Discharge, cubic feet per second	1922-10	2024-10
Gage height, feet	1985-10	2024-10
Annual Statistics
Discharge, cubic feet per second	1923	2025
Gage height, feet	1986	2025
Peak streamflow	1923-02-03	2024-01-12	102
Field measurements	1933-04-01	2024-10-03	797
Field/Lab water-quality samples	1974-10-03	1997-04-10	260
Water-Year Summary	2006	2024	19
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