1901-2000 Degrees Fahrenheit 1 73.96 73.61 0.35 72 57 1915 1936 1968 1969 normal 1942,1981 2 71.35 71.05 0.30 64 65 1915 2021 1969 1966 normal 3 67.92 67.43 0.49 76 53 1907 2018 1969 1964 normal 4 63.30 63.34 -0.04 48 81 1907 1934 1968 1969 normal 5 58.34 58.97 -0.63 27 102 1917 2012 1969 1968 bottom-third 6 54.51 54.78 -0.27 47 82 1917 2012 1969 1966 normal 7 50.60 51.26 -0.66 35 94 1912 2012 1969 1968 bottom-third 8 48.46 48.94 -0.48 36 92 1917 2012 1969 1967 bottom-third 9 47.69 48.14 -0.45 34 94 1912 2012 1969 1967 bottom-third 1902 10 48.03 48.74 -0.71 24 104 1917 2012 1969 1968 bottom-third 11 49.62 50.20 -0.58 27 101 1917 2012 1969 1968 bottom-third 12 51.59 52.03 -0.44 30 98 1917 2012 1969 1967 bottom-third 18 52.38 52.94 -0.56 22 106 1917 2017 1969 1968 bottom-third 24 51.36 52.02 -0.66 12 115 1913 2017 1969 1968 bottom-tenth 1916 36 51.41 52.00 -0.59 14 112 1917 2018 1920 1969 bottom-third 1907 48 51.53 51.99 -0.46 18 107 1918 2018 1920 1969 bottom-third 60 51.59 51.98 -0.39 19 105 1920 2020 1969 1968 bottom-third 1972