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Water-Year Summary for Site 06080900

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Available Parameters
00060 Discharge(Mean)  

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

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USGS Water-Year Summary 2018
06080900 Sun River below Diversion Dam, near Augusta MT
LOCATION - Lat 47°37'06.62", long 112°41'31.40" referenced to North American Datum of 1983, Lewis and Clark County, MT, Hydrologic Unit 10030104, Lewis and Clark National Forest, on road bridge 1 mile (1.6 km) downstream from diversion dam, 16.5 miles northwest of Augusta, MT, and at mile 95.6 (153.8 km).
DRAINAGE AREA - 610 mi².
PERIOD OF RECORD - September 1967 to October 1980, April 2016 to current year.
GAGE - Water-stage recorder. Elevation of gage is 4,370 feet, referenced to the North American Vertical Datum of 1988. From October 1967 to October 1980 a recording gage was present at this site. From October 1985 to April 2016, a non-recording gage was present and multiple miscellaneous measurements were made during this time period.

11-01-2017 to 10-05-2018: records are fair, except estimated records are poor.                                                         
03-27-2017 to 10-31-2017 (seasonal record): records are good.
04-07-2016 to 11-03-2016 (seasonal record): records are good.

Flow regulated by Gibson Dam. Diversions above station into Pishkun Canal and Willow Creek 
feeder canal for irrigation of about 91,000 acres below station.


EXTREMES OUTSIDE PERIOD OF RECORD - Maximum discharge known, 59,700 ft³/s June 9, 1964, from computation of peak flow over dam 1 mile upstream; gage height, about 24.8 feet, from levels of Aug. 12, 1971.