LOCATION.-- Latitude 41°51'25", longitude 88°04'57" (NAD of 1927), in SE1/4NE1/4NW1/4 sec.22, T.39 N., R.10 E., Du Page County, Hydrologic Unit 07120004, on Lorraine St. 0.25 mi south of State Highway 38, and located on top of a lift station at the Wheaton Sewer Department, at Wheaton.

PERIOD OF RECORD.--

PRECIPITATION: July 1997 to current year.

GAGE.-- A 12-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, 4.13 in., October 13, 2001.