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Water-Year Summary for Site 06108800

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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
00060 Discharge(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30

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USGS Water-Year Summary 2023
LOCATION - Lat 47°55'57.79", long 110°30'51.96" referenced to North American Datum of 1983, in NW 1/4 SW 1/4 SE 1/4 sec.12, T.25 N., R.9 E., Chouteau County, MT, Hydrologic Unit 10030205, on left bank 25 ft downstream from county bridge, 0.5 mi southwest of Loma, and at river mile 0.3.
DRAINAGE AREA - 2,027 mi² of which 127 mi² probably is noncontributing.  
REVISIONS HISTORY - WDR MT-2013: Drainage area.
PERIOD OF RECORD - June 1998 to current year (no winter records in water year 2007). Prior to October 1, 1999, seasonal records only.
GAGE - Water-stage recorder. Elevation of gage is 2,560 ft, referenced to North American Vertical Datum of 1988.
REMARKS - Numerous diversions for irrigation occur upstream from station.
PERIOD OF RECORD - Water year 1965, May 1998 to September 2011.
PERIOD OF DAILY RECORD - WATER TEMPERATURE: October 1999 to September 2003, October 2004 to September 2011.
INSTRUMENTATION - Water temperature probe was installed Oct. 20, 1999.
EXTREMES FOR PERIOD OF DAILY RECORD - WATER TEMPERATURE: Maximum, 33.5°C, July 25, 29, 30 and August 6, 2010; minimum, 1.5°C on April 9, 2010