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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
- Not all sites have reports available for every water year.
USGS Water-Year Summary 2024
413548087395901 RAIN GAGE AT CALUMET UNION DR CANAL NR MARKHAM, IL
LOCATION - Lat 41°35'48", long 87°39'59" referenced to North American Datum of 1983, in SE 1/4 NW 1/4 sec.19, T.36 N., R.14 E., Cook County, IL, Hydrologic Unit 07120003,
CLIMATOLOGICAL RECORDS
PERIOD OF RECORD - PRECIPITATION: November 2019 to current.
INSTRUMENTATION - Unheated tipping-bucket rain gage with satellite telemetry.
EXTREMES FOR PERIOD OF RECORD - PRECIPITATION: Maximum daily total, 5.04 in, September 17, 2023.
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, which were identified as estimated (e).
