LOCATION.-- Latitude 41°50'37", longitude 87°58'17" (NAD of 1927), in SW1/4NE1/4NW1/4 sec.27, T.39 N., R.11 E., Du Page County, Hydrologic Unit 07120004, on Midwest Road 50 ft north of U.S. Highway 88, and located on the roof of the Oakbrook well housing, at Oak Brook. | |
PERIOD OF RECORD.-- | |
PRECIPITATION: July 1997 to current year. Prior to Water year 2003, published as "Oak Brook Lift Station at Oak Brook, IL." | |
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, 2.90 in, October 17, 1998. |