LOCATION.-- Lat 41°31'13", long 87°34'22" (NAD of 1927), in NW1/4SW1/4, sec.13, T.35 N., R.14 E., Cook County, Hydrologic Unit 07120003, on northwest corner of concrete block building 200 ft. south of Joe Orr Road, 1.3 miles east of Cottage Grove Avenue, 2.2 miles northeast of Chicago Heights, and 0.9 mile east of gaging station Deer Creek near Chicago Heights, IL (05536235).

PERIOD OF RECORD.--

PRECIPITATION: December 2000 to current year.

GAGE.-- An unheated tipping-bucket rain gage.

REMARKS.-- Collection, computation, and publication of precipitation data do not necessarily conform to standards used by the National Weather Service. Precipitation data could be subject to error for days with freezing and/ or thawing of precipitation.

EXTREMES FOR PERIOD OF RECORD.--

PRECIPITATION: Maximum daily total, 5.72 in, July 21, 2001.