1991-2020 Degrees Fahrenheit 1 58.7 58.0 0.7 84 45 1907 1934 1935 1936 normal 2 51.9 52.8 -0.9 56 72 1983 1934 1935 1936 normal 1966,2005 3 45.9 48.6 -2.7 32 96 1917 2012 1935 1936 bottom-third 4 41.2 44.3 -3.1 31 95 1899 2012 1936 1935 bottom-third 1945 5 34.8 41.1 -6.3 2 122 1912 1992 1912 1936 bottom-tenth 6 33.9 38.9 -5.0 6 117 1912 1992 1929 1936 bottom-tenth 1924 7 33.9 38.7 -4.8 5 115 1912 2000 1929 1936 bottom-tenth 1929 8 35.5 40.1 -4.6 5 113 1912 2000 1920 1936 bottom-tenth 1920 9 38.5 42.8 -4.3 4 113 1912,1917 1934 1929 1936 bottom-tenth 1909,1979 10 42.0 45.8 -3.8 8 109 1912 1934,2000 1929 1936 bottom-tenth 1915 11 45.3 48.5 -3.2 11 106 1912 1934,2000 1929 1936 bottom-tenth 1916,1973 12 47.5 50.2 -2.7 15 101 1912,1917 1934 1936 1936 bottom-third 1936,1952 18 43.3 46.4 -3.1 11 103 1916 2000 1930 1936 bottom-tenth 1910 24 47.5 50.2 -2.7 12 97 1909,1917 2000 1930 1936 bottom-third 1920 36 48.3 50.2 -1.9 23 82 1917 2000 1931 1936 bottom-third 1950,1951,1952,1971,1973 48 49.4 50.2 -0.8 60 41 1917,1918 2002 1933 1936 normal 1954,1964,1965,1966,1988 60 49.1 50.2 -1.1 42 55 1918 2003 1933 1936 normal 1959,1981