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Water-Year Summary for Site 06023000

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 2018: 2017-10-01 to 2018-09-30

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USGS Water-Year Summary 2018
LOCATION - Lat 45°30'24.89", long 112°19'51.20" referenced to North American Datum of 1983, in SE 1/4 NE 1/4 NW 1/4 sec.10, T.4 S., R.6 W., Madison County, MT, Hydrologic Unit 10020003, on right bank 50 ft. downstream from county bridge, 1.2 mi upstream from mouth, and 2.6 mi South of Twin Bridges.
DRAINAGE AREA - 970 mi².
REVISIONS HISTORY - Water Data Report MT-08: drainage area.
PERIOD OF RECORD - August to October 1940, July 1941 to June 1943, July 1946 to September 1965, July 1979 to September 1981; July 2008 to current year (seasonal record only).
GAGE - Water-stage recorder. Elevation of gage is 4,670 ft, referenced to the North American Vertical Datum of 1988.
05-01-2018 to 11-05-2018 (seasonal record): records are fair.
04-25-2017 to 10-31-2017 (seasonal record): records are fair.
04-11-2016 to 10-06-2016 (seasonal record): records are fair to poor.
04-22-2015 to 10-06-2015 (seasonal record): records are fair. 
05-01-2014 to 10-01-2014 (seasonal record): records are good.
There are diversions for irrigation of about 28,500 acres, of which about 500 acres lies below 
the station.  Some regulation occurs from Ruby River Reservoir, which is located upstream of 
the station.  
WATER TEMPERATURE: September 1979 to September  1981, July 2008 to current (seasonal records).
INSTRUMENTATION - Water temperature recorder was installed July 10, 2008.
04-25-2017 to 10-31-2017 (seasonal record): records are excellent, except records from May 1-23 are fair.
05-01-2016 to 10-06-2016 (seasonal record): records are excellent, except records from May 4-17 are fair and May 1,2,18,19 are poor. 
04-22-2015 to 09-30-2015 (seasonal record): records are good, except records from July 21 to Aug. 20 are fair.
06-01-2014 to 09-30-2014 (seasonal record): records are excellent, except records from Jul. 23 to 
Aug. 5 and Aug. 21 to Sept. 30 are good.
04-26-2018 to 11-05-2018 (seasonal record): records are excellent.
WATER TEMPERATURE:  Maximum 26.4°C, July 1, 2015; minimum 0.0°C, on many days during winter periods.
EXTREMES FOR CURRENT YEAR - WATER TEMPERATURE: During period of seasonal operation, (Jun. through Sept.) maximum, 22.6°C, July 10; minimum, 9.7°C, Sept. 12.