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The Illinois Water Science Center has transitioned to a new data management software package. While you may not have noticed this transition, some sites may have problems or delays in being updated. We are actively monitoring these conditions and are resolving them as quickly as possible. See the Dec 8 news entry for more information at: https://help.waterdata.usgs.gov/news

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    For more information on these data, contact USGS Water Data Support Team

Links to other data for the requested sites follows:

Data Type Begin Date End Date Count
 Daily Data
    Discharge, cubic feet per second  1991-03-18  1991-09-26  32366 
 Daily Statistics 
    Discharge, cubic feet per second  1928-04-01  2015-01-12 31698 
 Monthly Statistics 
    Discharge, cubic feet per second  1928-04  2015-01  
 Annual Statistics 
    Discharge, cubic feet per second  1928  2015  
 Peak streamflow 1913-04-07  2013-12-31  86 
 Field measurements 1934-08-20  2015-01-14  888 
 Field/Lab water-quality samples 1942-06-27  1995-05-26  53 
 Water-Year Summary 2006  2014  9