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Water-Year Summary for Site 040871475

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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.
Available Parameters
00010 Temperature, water(Max.,Min.,Mean)  
00020 Temperature, air(Max.,Min.,Mean)  
00060 Discharge(Mean)  

Water year 2023: 2023-10-01 to 2024-09-30

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USGS Water-Year Summary 2023
LOCATION - Lat 42°57'24", long 87°54'25" referenced to North American Datum of 1983, in NW 1/4 NW 1/4 sec.28, T.6 N., R.22 E., Milwaukee County, WI, Hydrologic Unit 04040003, on General Mitchell International Airport property, approximately 1000 ft southeast from the intersection of Layton and Howell Avenues, at Milwaukee.
DRAINAGE AREA - 2.25 mi².
PERIOD OF RECORD - November 1996 to May 1997, November 1997 to current year.
GAGE - Water-stage recorder in culvert. Elevation of gage is 670 ft above NAVD of 1988, from topographic map.
REMARKS - Records are considered fair, except for estimated daily discharges, which are poor. For records prior to October 1, 2013, see remarks printed in the annual water-data reports.
PERIOD OF RECORD - November 1996 to May 1997, October 1997 to current year.
PERIOD OF DAILY RECORD - WATER TEMPERATURE: November 1996 to May 1997, October 1997 to current year.
INSTRUMENTATION - Stage-activated water-quality sampler since November 1996. Continuous water-temperature recorder since November 1996.
REMARKS - Chemical analyses are by the Wisconsin State Laboratory of Hygiene. Samples are point samples unless otherwise indicated. Records represent water temperature at sensor within 0.5°C.