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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
06036650 JEFFERSON RIVER NEAR THREE FORKS, MT
LOCATION - Lat 45°53'49.69", long 111°35'44.42" referenced to North American Datum of 1983, in SW 1/4 SW 1/4 NW 1/4 sec.27, T.2 N., R.1 E., Broadwater County, MT, Hydrologic Unit 10020005, on left bank 50 ft. downstream from bridge on U.S. Highway 10, 2.5 mi northwest of Three Forks, and at river mile 2,329.3.
DRAINAGE AREA - 9,558 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1978 to current year.
GAGE - Water-stage recorder. Elevation of gage is 4,076.76 ft, referenced to the National Geodetic Vertical Datum of 1929.
REMARKS - Some regulation occurs by Ruby River Reservoir (station number 06020500) and Clark Canyon Reservoir
(station number 06015300). Numerous diversions for irrigation occur upstream from station.
WATER-QUALITY RECORDS
PERIOD OF RECORD - WATER TEMPERATURE: Water years 1980-81, 1986-87, May 1999-July 2003, September 2005, May-September 2009.
PERIOD OF DAILY RECORD - WATER TEMPERATURE: June 1980 to September 1981, October 1999 to September 2003.
EXTREMES FOR PERIOD OF DAILY RECORD - WATER TEMPERATURE: Maximum 28.0°C, July 19-21, 2003, minimum, 0.0°C, many days during winter period.
