Table 17. Monthly and annual summary of daily freeze/thaw cycles for CFA(a). Average Number Maximum Number Minimum Number of Cycles of Cycles of Cycles (%) (%) (%) January 33 81 3 February 54 100 0(b) March 83 100 29 April 73 100 37 May 30 65 3 June 6 17 0 July 0 6 0 August 1 16 0 September 25 57 0 October 73 97 39 November 77 100 27 December 41 81 6 ANNUAL 41 54 23 a. Data period of record spans January 1950 through December 2023. b. Air temperatures remained below freezing the entire month.