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Water-Year Summary for Site 06082200

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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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
06082200 Sun River bl Willow Cr nr Augusta MT
LOCATION - Lat 47°32'49.69", long 112°22'02.75" referenced to North American Datum of 1983, Teton County, MT, Hydrologic Unit 10030104, on left bank at old bridge abutment 360 ft upstream from bridge on U.S. Highway 287, 1.6 mi downstream from Willow Creek, 4 mi northeast of Augusta, and at mile 71.3.
DRAINAGE AREA - 814 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - September 1967 to September 1974, October 2012 to current year.
GAGE - Water-stage recorder. Elevation of gage is 3,567.85 ft, referenced to the National Geodetic Vertical Datum of 1929.
REMARKS -
10-18-2019 to 10-29-2020: records are good, except estimated records are poor.
10-05-2018 to 10-17-2019: records are good, except estimated records are poor.
10-24-2017 to 10-04-2018: records are good, except estimated records are poor.
11-04-2016 to 10-23-2017: records are good, except estimated records are poor.
10-09-2015 to 11-03-2016: records are good, except estimated records are poor.
10-08-2014 to 10-08-2015: records are good, except estimated records are poor.
10-01-2013 to 10-07-2014: records are good, except estimated records are poor.
Flow is regulated by Gibson, Pishkun, Willow Creek, and Nilan Reservoirs. Diversions for irrigation
of about 103,000 acres occur upstream from station.

 

EXTREMES OUTSIDE PERIOD OF RECORD - Maximum discharge, 46,700 ft³/s, June 9, 1964, gage height, 16.16 ft, from floodmark, from computation of contracted-opening measurement.