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USGS 05587450 Mississippi River at Grafton, IL

  Stream Site

Latitude 38°58'04.7",   Longitude 90°25'44.4"   NAD83
Jersey County, Illinois, Hydrologic Unit 07110009
Drainage area: 171,300 square miles
Datum of gage: 403.32 feet above   NAVD88.
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    2007-10-01  2023-05-29  
 Daily Data
    Discharge, cubic feet per second  1933-04-01  2023-05-28  32231 
    Gage height, feet  1986-11-14  2023-05-29  13204 
 Daily Statistics 
    Discharge, cubic feet per second  1933-04-01  2023-01-08 32091 
 Monthly Statistics 
    Discharge, cubic feet per second  1933-04  2023-01  
 Annual Statistics 
    Discharge, cubic feet per second  1933  2023  
 Peak streamflow 1844-06  2022-05-07  37 
 Field measurements 1988-02-19  2023-05-23  434 
 Field/Lab water-quality samples 1991-07-18  2011-06-08  4 
 Water-Year Summary 2006  2022  17 
 Revisions  Loading...
Record for this site is maintained by the USGS Missouri Water Science Center
Email questions about this site to Missouri Water Science Center Water-Data Inquiries