LOCATION.-- Latitude 41°46'13", longitude 88°09'10" (NAD of 1927), in SE1/4SW1/4SE1/4 sec.13, T. 38 N., R.9 E., Du Page County, Hydrologic Unit 07120004, on Eagle Street 1.8 mi from Aurora Avenue, and located at the Naperville Municipal Building at Naperville.

PERIOD OF RECORD.--

PRECIPITATION: July 1997 to current year.

GAGE.-- An 8-in.-diameter, unheated, 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, 3.91 in., August 4, 1998.