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* IMPORTANT: Next Generation Station Page

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

NOTICE: Water temperature, specific conductance, pH, dissolved oxygen, and chlorophyll-a are operated on a seasonal basis and have been discontinued for the season. These water quality parameters are anticipated to return spring of 2019.

This station managed by the Urbana Field Office.

Available Parameters Available Period
All 11 Available Parameters for this site
   
00010 Temperature, water, YSI 2018-06-06  2019-07-19
00010 Temperature, water 2019-03-21  2019-07-19
00060 Discharge 1990-08-30  2019-07-19
00065 Gage height 2007-10-01  2019-07-19
00095 Specific cond at 25C, YSI 2018-06-06  2019-07-19
00300 Dissolved oxygen, YSI 2018-06-06  2019-07-19
00301 Diss oxygen,%saturtn, YSI 2019-03-21  2019-07-19
00400 pH, YSI 2018-06-06  2019-07-19
32318 Chlorophylls,in situ, YSI 2018-06-06  2019-07-19
32319 fPC, water, in situ, YSI 2019-03-21  2019-07-19
72254 Sensor velocity 2007-10-01  2019-07-19

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

Temperature, water, degrees Celsius
Most recent instantaneous value: 29.5 07-19-2019   13:45 CST
Graph of Temperature, water, degrees Celsius

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Temperature, water, degrees Celsius, YSI
Most recent instantaneous value: 29.9 07-19-2019   13:45 CST
Graph of Temperature, water, degrees Celsius

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Discharge, cubic feet per second
Most recent instantaneous value: 19300 07-19-2019   13:45 CST
Graph of Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Jul 19 based on 37 water years of record more
Min
(2005)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Most Recent
Instantaneous
Value Jul 19		 Max
(2015)
2890 6560 9110 13300 16200 19300 48800

Gage height, feet
Most recent instantaneous value: 17.81 07-19-2019   13:45 CST
Graph of Gage height, feet

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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius, YSI
Most recent instantaneous value: 718 07-19-2019   13:45 CST
Graph of Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius

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Dissolved oxygen, water, unfiltered, milligrams per liter, YSI
Most recent instantaneous value: 6.1 07-19-2019   13:45 CST
Graph of Dissolved oxygen, water, unfiltered, milligrams per liter

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Dissolved oxygen, water, unfiltered, percent of saturation, YSI
Most recent instantaneous value: 80 07-19-2019   13:45 CST
Graph of Dissolved oxygen, water, unfiltered, percent of saturation

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pH, water, unfiltered, field, standard units, YSI
Most recent instantaneous value: 8.1 07-19-2019   13:45 CST
Graph of pH, water, unfiltered, field, standard units

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Chlorophylls, water, in situ, fluorometric method, excitation at 470 +-15 nm, emission at 685 +-20 nm, micrograms per liter, YSI
Most recent instantaneous value: 25.3 07-19-2019   13:45 CST
Graph of Chlorophylls, water, in situ, fluorometric method, excitation at 470 +-15 nm, emission at 685 +-20 nm, micrograms per liter

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Phycocyanin fluorescence (fPC), water, in situ, concentration estimated from reference material, micrograms per liter as phycocyanin, YSI
Most recent instantaneous value: 0.87 07-19-2019   13:45 CST
Graph of Phycocyanin fluorescence (fPC), water, in situ, concentration estimated from reference material, micrograms per liter as phycocyanin

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Water velocity reading from field sensor, feet per second
Most recent instantaneous value: 2.24 07-19-2019   13:45 CST
Graph of Water velocity reading from field sensor, feet per second

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