Illinois State Water Survey - Water and Atmospheric Resources Monitoring Program - , University of Illinois at Urbana-Champaign

Water and Atmospheric Resources Monitoring Program (WARM)

Illinois Provisional Monthly Flows

Water Year 2014  (Oct. 2013 - Sep. 2014)
October, 2013
November, 2013
December, 2013
January, 2014
February, 2014
March, 2014
April, 2014
May, 2014
June, 2014
July, 2014
August, 2014
September, 2014
Water Year 2013  (Oct. 2012 - Sep. 2013)
October, 2012
November, 2012
December, 2012
January, 2013
February, 2013
March, 2013
April, 2013
May, 2013
June, 2013
July, 2013
August, 2013
September, 2013

Rivers and streams are a vital water resource of the state. This site shows provisional, monthly mean flow data for 26 US Geological Survey gaging stations on rivers and streams throughout Illinois. Values reported do not reflect final or official discharges. Provisional data are provided for the month just ending and the preceding water year so that flows at these stations can be compared to flows in the past year. Streamflow varies seasonally, with highest flows typical of spring and lowest flows occurring in the late summer and fall. Long-term average monthly flows and other statistics computed from historical records are given for each calendar month to provide a climatological context for comparison.

Illinois State Water Survey

2204 Griffith Dr
Champaign, IL 61820-7463

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For permissions information, contact the Illinois State Water Survey.
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