USGS 05558300 ILLINOIS RIVER AT HENRY, IL

PROVISIONAL DATA SUBJECT TO REVISION

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This site is operated in cooperation with the

Cooperator logo U.S. Army Corps of Engineers
Rock Island District - Rock Island, Illinois

and

Cooperator logo Illinois Environmental Protection Agency




NWS River Forecasts
This station managed by the Urbana Field Office.

Available Parameters Available Period
  
2018-06-06  2026-07-29
1990-08-30  2026-07-29
2007-10-01  2026-07-29
2018-06-06  2026-07-10
2018-06-06  2026-06-03
2026-03-31  2026-06-03
2018-06-06  2026-06-03
2018-06-06  2026-07-29
2020-10-28  2026-07-29
2022-08-03  2026-06-03
2007-10-01  2026-07-29
2024-12-04  2026-07-29







 (7)
 
  -- or --

 

 
Summary of all available data for this site
Instantaneous-data availability statement

Discharge, cubic feet per second
Most recent instantaneous value: 12200 07-29-2026   04:45 CST
Graph of Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Jul 29 based on 44 water years of record more
Min
(2012)		 25th
percen-
tile		 Median Mean Most Recent
Instantaneous
Value Jul 29		 75th
percen-
tile		 Max
(2017)
3430 6620 8700 11600 12200 14800 32700

Gage height, feet
Most recent instantaneous value: 15.29 07-29-2026   04:45 CST
Graph of Gage height, feet

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