LOCATION.-- Latitude 42°00'52", longitude 88°03'42" (NAD of 1927), in SE1/4SE1/4NW1/4 sec.26, T.41 N., R.10 E., Cook County, Hydrologic Unit 07120004, on Plum Grove Road 1.9 mi south of State Highway 72, and located on the roof of the Schaumburg Public Works building at Schaumburg.

PERIOD OF RECORD.--

PRECIPITATION: July 1997 to current year.

GAGE.-- An 8-in.-diameter, heated, tipping-bucket rain gage.

REMARKS.-- Snowfall-affected data can result during cold weather when snow fills the rain-gage funnel and then melts as temperatures rise. Snowfall-affected data are subject to appreciable errors.

EXTREMES FOR PERIOD OF RECORD.--

PRECIPITATION: Maximum daily total, 4.22 in., August 22, 2002.