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Water-Year Summary for Site 06025500

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

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

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USGS Water-Year Summary 2018
LOCATION - Lat 45°31'35.69", long 112°42'06.21" referenced to North American Datum of 1983, in SE 1/4 SE 1/4 SW 1/4 sec.34, T.3 S., R.9 W., Madison County, MT, Hydrologic Unit 10020004, on left bank 50 ft downstream from bridge, on frontage road east of Interstate 15, 0.1 mi downstream from Rock Creek, 7 mi south of Melrose, and at river mile 31.1.
DRAINAGE AREA - 2,472 mi².
PERIOD OF RECORD - October 1923 to current year. Monthly discharge only for some periods, published in Water Supply Paper 1309.
GAGE - Water-stage recorder. Elevation of gage is 5032.87 ft, referenced to the National Geodetic Vertical Datum of 1929. Prior to June 14, 1927, water-stage recorder, and July 17, 1927, to Sept. 30, 1931, nonrecording gage, at site 1.7 mi upstream at different elevation.
10-17-2017 to 11-13-2018: records are good, except estimated records are poor.
10-05-2016 to 10-16-2017: records are good, except estimated records are poor.
10-08-2015 to 10-04-2016: records are good, except estimated records are poor.
10-02-2014 to 10-07-2015: records are good, except estimated records are poor. 
10-30-2013 to 10-01-2014: records are good, except estimated records are poor. 

Diversions for irrigation of about 136,000 acres occur upstream from station.
EXTREMES FOR PERIOD OF RECORD - Maximum peak flow occurred when Wise River Reservoir dam failed; maximum discharge unaffected by dam failure.
WATER TEMPERATURE: August 1956 to September 1957, August 1960 to September 1964, June 1977 to current 
year (seasonal records).
SUSPENDED-SEDIMENT DISCHARGE: August 1956 to September 1957, August 1960 to September 1964.
INSTRUMENTATION - Water temperature recorder was installed in June 1977.
02-28-2018 to 11-13-2018 (seasonal record): records are good.
02-27-2017 to 10-31-2017 (seasonal record): records are good.
03-01-2016 to 11-21-2016 (seasonal record): records are good.
03-01-2015 to 10-08-2015 (seasonal record): records are excellent.
04-01-2014 to 09-30-2014 (seasonal record): records are good, except records from May 27 to June 9 
and Aug. 18 to Sep. 30 are excellent.
WATER TEMPERATURE: Maximum, 24.2°C, July 3, 2015.  Minimum, 0.0°C on many days during winter most 
SEDIMENT CONCENTRATION (water years 1956-57, 1960-64): Maximum daily mean, 200 mg/L, June 29, 1961; 
minimum daily mean, 1 mg/L, on many days in 1960-64.
SEDIMENT LOAD (water years 1956-57, 1960-64): Maximum daily, 4,300 tons, June 9, 1964; minimum daily, 
less than 0.5 ton on several days in 1961.