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Bitter Root Project Water Data

Bitter Root Project  -  Main Page

Project Water Supply

Normal

13.27 in  

Maximum  -  1980

20.11 in  

Minimum   -  1966

8.90 in  

Hamilton, Montana 1961-1990

  

      Temperature

Mean Annual

46 °F  

Daily Maximum  -  07/23/1895

105 °F  

Daily Minimum   -  02/04/1899

-39 °F  

Hamilton, Montana 1895-1996

  

Growing Season

148 days  

Elevation of irrigable area

3,500 ft  

      Rock Creek

Drainage area above Lake Como

55 mi2  

Annual discharge:

  

   Maximum  -  1959

122,259 acre-ft  

   Minimum   -  1953

84,423 acre-ft  

   Average    -  1946-1959

106,687 acre-ft  

                              Streamflows:  Rock Creek near Darby, Montana (USGS)
 

Project Water Quality

 
 

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