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Water-Year Summary for Site 06089000

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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.
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Available Parameters
00010 Temperature, water(Max.,Min.,Mean)  
00060 Discharge(Mean)  

Water year 2021: 2020-10-01 to 2021-09-30
 

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USGS Water-Year Summary 2021
06089000 SUN RIVER NEAR VAUGHN, MT
LOCATION - Lat 47°31'32.80", long 111°30'39.73" referenced to North American Datum of 1983, in SE 1/4 SW 1/4 SW 1/4 sec.32, T.21 N., R.2 E., Cascade County, MT, Hydrologic Unit 10030104, on right bank 2.3 mi downstream from Muddy Creek, 2.8 mi southeast of Vaughn, and at river mile 15.0.
DRAINAGE AREA - 1,774 mi².  
REVISIONS HISTORY -

WSP 786: 1934. WSP 1729: Drainage area. WDR MT-03-1: Drainage area. WDR MT-2013: Drainage area. The maximum discharge and gage height for 2006 were revised on July 18, 2019, based upon review following peak flow file data migration.  Revision: Discharge for the period Mar. 16, 2019 to Mar. 31, 2019, was revised on Mar. 3, 2020, based on reanalysis of the winter records.

SURFACE-WATER RECORDS
PERIOD OF RECORD - April 1934 to current year. Monthly discharge for some months published in Water Supply Paper (WSP) 1309. Gage heights and discharge measurements only from July to October 1897 published as "near Great Falls."
GAGE - Water-stage recorder. Elevation of gage is 3,340 ft, referenced to the National Geodetic Vertical Datum of 1929. July 11 to Oct. 30, 1897, nonrecording gage at site 0.6 mi downstream at different elevation. Apr. 19 to Aug. 3, 1934, non-recording gage 1.4 mi downstream at different elevation. Aug. 4, 1934 to Oct. 15, 2002, water-stage recorder 1.4 mi downstream at different elevation.
REMARKS - Flow is regulated by Gibson, Pishkun, Willow Creek, and Nilan Reservoirs. Diversion for irrigation occurs upstream from station.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of June 1964 exceeded the stage of the June 1908 flood by about 3 ft and is the highest since 1908, from information by local residents.
WATER-QUALITY RECORDS
PERIOD OF RECORD - October 1968 to September 2010.
PERIOD OF DAILY RECORD -
SPECIFIC CONDUCTANCE: October 1968 to September 2003. 
WATER TEMPERATURE: October 1968 to September 1979, August 1999 to September 2003, October 2004 
to September 2010. 
INSTRUMENTATION - Water temperature probe was installed in August 1999.
REMARKS -  
EXTREMES FOR PERIOD OF RECORD -
SPECIFIC CONDUCTANCE: Maximum daily, 2,610 microsiemens per centimeter (uS/cm) at 25°C, Apr. 8, 1977; 
minimum daily, 214 uS/cm at 25°C, June 8, 1970. 
WATER TEMPERATURE: Maximum, 29.5°C, July 14 and 18, 2002; minimum, 0.0°C on many days during winter. 
EXTREMES FOR CURRENT YEAR - WATER TEMPERATURE: Maximum, 23.0°C, July 10; minimum, 0.0°C, many days November through March.