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Mirage Flats Project Water Data

Mirage Flats Project  -  MainPage

Project Water Supply

Normal

15.05 in  

Maximum  -  1986

24.36 in  

Minimum   -  1987

2.29 in  

Chadron, Nebraska 1961-1990

  

      Temperature

Mean Annual

47.6 °F  

Daily Maximum  -  07/12/1954

110 °F  

Daily Minimum   -  12/22/1989

-40 °F  

Chadron, Nebraska 1948-1996

  

Growing Season

129 days  

Elevation of irrigable area

3,800 ft  

      Niobrara River

Drainage area above Box Butte Dam

1,400 mi2  

Annual discharge:

  

   Maximum  -  1957

30,815 acre-ft 

   Minimum   -  1946

7,853  acre-ft 

   Average    -  1946-1994

20,856 acre-ft 

Project Water Quality

 
 

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