-54- 



Table 9 . Precipitation records from U.S. Department of Commerce 

 CI imato logical Data, Miles City FAA AP station. 



1978 



1979 



1980 



Precipitation (cm) Deviation from normal (cm) 



January 1.30 0.05 



February 3.02 1,73 



March 0.31 -1.35 



April 1.19 -2.01 



May 17.30 12.07 



June 3.53 -4.90 



July 6.38 2.44 



August 2.06 -0.99 



September 8.64 5.61 



October 0.69 -1.12 



November 5.51 4.22 



December 1.60 0.38 



TOTAL 51.53 16.13 



January 0.84 -0.41 



February 2.90 1.60 



March 0.66 -0.99 



April 1.93 -1.27 



May 3.45 -1.79 



June 1.96 -6.48 



July 7.09 3.15 



August 1.70 -1.35 



September 0.08 -2.95 



October 0.81 -0.99 



November 0.51 -0.79 



December 0.13 -1 . 09 



TOTAL 22.06 -13.36 



January 0.84 -0.41 



February 0.84 -0.46 



March 0.71 -0.94 



April 1.68 -1.52 



May 0.71 -4.52 



June 7.67 -0.76 



