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Water-Year Summary for Site 12359800

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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.
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Available Parameters
00060 Discharge(Mean)  

Water year 2020: 2019-10-01 to 2020-09-30
 

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USGS Water-Year Summary 2020
12359800 SOUTH FORK FLATHEAD RIVER ABOVE TWIN CREEK, NEAR HUNGRY HORSE, MT
LOCATION - Lat 47°58'44.75", long 113°33'38.46" referenced to North American Datum of 1983, in NE 1/4 NW 1/4 NE 1/4 sec.36, T.26 N., R.16 W., Flathead County, MT, Hydrologic Unit 17010209, Flathead National Forest, on left bank 0.1 mi downstream from Tin Creek, 0.4 mi upstream from Twin Creek, 36.3 mi southeast of Hungry Horse, and at river mile 42.2.
DRAINAGE AREA - 1,159 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1964 to September 1982, October 1984 to current year (no winter records).
GAGE - Water-stage recorder. Elevation of gage is 3,575 ft, referenced to the North American Vertical Datum of 1988. Bureau of Reclamation satellite telemeter is located at the station.
REMARKS -
Water Year 2020 (seasonal record): records are good
Water Year 2019 (seasonal record): records are good.
Water Year 2018 (seasonal record): records are good.
Water Year 2017 (seasonal record): records are good.
Water Year 2016 (seasonal record): records are good.
Water Year 2015 (seasonal record): records are good. 
Water Year 2014 (seasonal record): records are good. 

No known regulation or diversions occur upstream from station. 
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of June 8, 1964, reached a stage of 20.87 ft, from high-water profile; discharge, 50,900 ft³/s, by slope-area measurement of peak flow.