Avg
Min
Max
Range
January 9.529 -1.7 24.8 26.5
February 10.567 -2.9 27.7 30.6
March 11.844 1.6 28.5 26.9
April 13.627 1.3 30.1 28.8
May 15.619 4.7 33.6 28.9
June 18.520 9.6 41.5 31.9
July 20.632 11.3 41.1 29.8
August 20.969 12.8 37.7 24.9
September 19.473 9.4 36.9 27.5
October 16.817 3.5 30.8 27.3
November 13.265 0.6 30.8 30.2
December 11.405 -1.3 24.3 25.6