Avg
Min
Max
Range
January 9.37 -5.8 24.5 30.3
February 14.66 -6.0 24.5 30.5
March 14.67 2.4 24.5 22.1
April 14.67 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