USGS Water-Year Summary 2021
415131088143600 NATIONAL ACCELERATOR LABORATORY NEAR WEST CHICAGO, IL
LOCATION - Lat 41°51'31", long 88°14'36" referenced to North American Datum of 1927, in NW 1/4 SW 1/4 SW 1/4 sec.17, T.39 N., R.9 E., Du Page County, IL, Hydrologic Unit 07120004, on McChesney Road 0.5 mi north of Eola Road, and at the National Accelerator Laboratory near West Chicago.
PERIOD OF RECORD -
PRECIPITATION: April 1989 to September 1995, July 1997 to February 2006,
and April 2010 to current.
INSTRUMENTATION - Unheated tipping-bucket rain gage and satellite telemeter.
EXTREMES FOR PERIOD OF RECORD - PRECIPITATION: Maximum daily total, 5.09 in., July 9, 2002.