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PSMBP - Shadehill Unit Water Data

PSMBP - Shadehill Unit  -  Main Page

Project Water Supply

Normal

17.80 in  

Maximum  -  1982

24.14 in  

Minimum   -  1974

10.38 in  

Lemmon, South Dakota 1961-1990

  

      Temperature

Mean Annual

42.9 °F  

Daily Maximum  -  07/07/1981

107 °F  

Daily Minimum   -  01/29/1966

-33 °F  

Lemmon, South Dakota 1948-1996

  

Growing Season

126 days  

Elevation of irrigable area

2,190 ft  

      Grand River

Drainage area above Shadehill Dam

3,120 mi2  

Annual discharge:

  

   Maximum  -  1950

385,795 acre-ft  

   Minimum   -  1951

374 acre-ft  

   Average    -  1943-1992

82,031 acre-ft  

Project Water Quality

 
 

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