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Water-Year Summary for Site 06108800

Click to hide Water-Year Summary instructions and information
  • 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)  
00060 Discharge(Mean)  

Water year 2019: 2018-10-01 to 2019-09-30

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USGS Water-Year Summary 2019
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.
10/17/2018 to 10/16/2019: records are fair, except estimated records and discharges below 50 ft³/s are poor.
10/17/2017 to 10/16/2018: records are fair, except estimated records are poor.
10/05/2016 to 10/16/2017: records are good, except estimated records are poor.
10/14/2014 to 10/04/2016: records are good, except estimated records are poor.
11/03/2014 to 10/13/2015: records are good, except estimated records are poor. 
10/01/2013 to 11/02/2014: records are good, except records from Nov. 18 to Mar. 15 
and Aug. 6 to Sept. 5 are fair. 
Numerous diversions occur upstream from station for irrigation.
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.
REMARKS - Several unpublished observations of specific conductance and water temperature were made during the year.
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