LOCATION.-- Lat 41°50'50", long 87°56'13" (NAD of 1927), in SE1/4SW1/4 sec.24, T.39 N., R.11 E., Du Page County, Hydrologic Unit 07120004, on right bank at upstream side of bridge on 22nd Street in Oak Brook and at mile 14.9. | |
DRAINAGE AREA.-- 103 mi2. | |
PERIOD OF RECORD.-- | |
STAGE: June 1994 to current year. | |
PRECIPITATION: October 1995 to current year. | |
GAGE.-- Water-stage recorder and an unheated tipping-bucket rain gage. Datum of gage is 600.00 ft above NGVD of 1929. | |
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.-- | |
STAGE: Maximum gage height, 55.03 ft, Feb. 21, 1997; minimum, 46.76 ft, Sept. 27, 28, 1995. | |
PRECIPITATION: Maximum daily total, 3.38 in., September 11, 2000, but may have been greater during periods of missing record. |