Avg
Min
Max
Range
January 7.55 -6.0 24.5 30.5
February 7.86 -9.3 24.5 33.8
March 8.42 -11.5 24.5 36.0
April 13.23 1.6 24.5 22.9
May 14.67 7.8 25.1 17.3
June 14.67 8.2 33.8 25.6
July 14.67 8.2 34.1 25.9
August 14.66 8.2 34.7 26.5
September 14.67 8.2 32.6 24.4
October 14.01 2.7 29.9 27.2
November 9.47 1.3 17.8 16.5
December 6.24 -3.6 17.7 21.3