Annual STATE STATION Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec. avg. -------------------------------------------------------------------------------------------------------- AZ ...... Phoenix 41.2 44.7 48.8 55.3 63.9 72.9 81.0 79.2 72.8 60.8 48.9 41.8 59.3 CO ...... Denver 16.1 20.2 25.8 34.5 43.6 52.4 58.6 56.9 47.6 36.4 25.4 17.4 36.2 ID ...... Boise 21.6 27.5 31.9 36.7 43.9 52.1 57.7 56.8 48.2 39.0 31.1 22.5 39.1 MT ...... Great Falls 11.6 17.2 22.8 31.9 40.9 48.6 53.2 52.2 43.5 35.8 24.3 14.6 33.1 NV ...... Reno 20.7 24.2 29.2 33.3 40.1 46.9 51.3 49.6 41.3 32.9 26.7 19.9 34.7 NM ...... Albuquerque 21.7 26.4 32.2 39.6 48.6 58.3 64.4 62.6 55.2 43.0 31.2 23.1 42.2 UT ...... Salt Lake City 19.3 24.6 31.4 37.9 45.6 55.4 63.7 61.8 51.0 40.2 30.9 21.6 40.3 WY ...... Cheyenne 15.2 18.1 22.1 30.1 39.4 48.3 54.6 52.8 43.7 33.9 23.7 16.7 33.2
Source: Table No. 391 of the Statistical Abstract of the United States: 1995 , US. Census Bureau.