1901-2000 Degrees Fahrenheit 1 79.83 77.81 2.02 108 21 1965 1998 1978 1956 top-third 2 81.55 81.48 0.07 62 67 1965 1998 1977 1978 normal 3 82.95 83.21 -0.26 46 83 1912 1936 1976 1978 normal 1916,2009 4 82.48 82.74 -0.26 43 86 1915 1936 1976 1978 bottom-third 1896 5 80.28 80.78 -0.50 36 93 1915 1936 1976 1978 bottom-third 6 77.20 77.90 -0.70 28 101 1907 2012 1975 1978 bottom-third 1961 7 73.75 74.35 -0.60 26 103 1912 2012 1975 1978 bottom-third 8 69.37 70.66 -1.29 12 117 1912 2012 1975 1978 bottom-tenth 9 65.13 67.30 -2.17 2 127 1912 2012 1912 1978 bottom-tenth 10 62.64 64.86 -2.22 3 125 1912 2012 1915 1978 bottom-tenth 11 61.66 63.75 -2.09 2 126 1912 2012 1912 1978 bottom-tenth 12 62.22 64.01 -1.79 5 123 1912 2012 1920 1978 bottom-tenth 18 67.45 68.64 -1.19 6 122 1912 2012 1917 1978 bottom-tenth 24 62.61 64.00 -1.39 2 125 1913 2017 1913 1978 bottom-tenth 36 63.08 63.98 -0.90 6 120 1917 2018 1917 1978 bottom-tenth 48 63.53 63.97 -0.44 25 100 1915 2018 1975 1978 bottom-third 1912 60 63.42 63.96 -0.54 13 111 1907 2016 1973 1978 bottom-third