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Water-Year Summary for Site 06099500

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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.
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Available Parameters
00060 Discharge(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30

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USGS Water-Year Summary 2023
LOCATION - Lat 48°25'37.91", long 111°53'23.41" referenced to North American Datum of 1983, in SE 1/4 NW 1/4 SE 1/4 sec.20, T.31 N., R.2 W., Toole County, MT, Hydrologic Unit 10030203, on left bank 20 ft downstream from bridge on old U.S. Highway 91, 5.1 mi south of Shelby, 24 mi downstream from Cut Bank Creek, and at river mile 140.6.
DRAINAGE AREA - 2,716 mi².  
REVISIONS HISTORY - WSP 1309: 1903-4; 1918; 1921; 1933; 1935; 1947. WSP 1509: 1902; 1912, maximum discharge (M); 1916; 1943(M). WSP 1729: Drainage area. WDR MT-2013: Drainage area.
PERIOD OF RECORD - April 1902 to December 1904, May 1905 to December 1906, May 1907 to January 1908, April 1911 to current year. Monthly discharge only for some periods, published in Water Supply Paper (WSP) 1309.
GAGE - Water-stage recorder. Elevation of gage is 3,087.72 ft, referenced to the National Geodetic Vertical Datum of 1929. Prior to Dec. 23, 1947, nonrecording gage or water-stage recorder at several sites within 1,000 ft of present site at approximately the same elevation. Dec. 23, 1947, to Apr. 6, 1976, water-stage recorder at site 150 ft downstream at same elevation.
REMARKS - Some regulation occurs by Lower Two Medicine Lake (station number 06090900), Four Horns Reservoir (station number 06093000) Swift Reservoir (station number 06094000), and Lake Frances (station number 06095500). Numerous diversions for irrigation occur upstream from station.