1901-2000 Degrees Fahrenheit 1 74.23 73.61 0.62 88 41 1915 1936 1987 1988 top-third 2 71.18 71.05 0.13 57 72 1915 2021 1985 1988 normal 3 67.61 67.43 0.18 63 66 1907 2018 1984 1988 normal 2009,2019 4 63.93 63.34 0.59 85 44 1907 1934 1984 1988 normal 5 59.67 58.97 0.70 88 41 1917 2012 1984 1988 top-third 6 54.59 54.78 -0.19 49 80 1917 2012 1983 1988 normal 7 51.66 51.26 0.40 78 51 1912 2012 1985 1988 normal 8 49.39 48.94 0.45 80 48 1917 2012 1985 1988 normal 1930 9 48.71 48.14 0.57 84 44 1912 2012 1985 1988 normal 10 49.23 48.74 0.49 83 45 1917 2012 1985 1988 normal 11 50.63 50.20 0.43 80 48 1917 2012 1985 1988 normal 12 52.55 52.03 0.52 87 41 1917 2012 1985 1988 top-third 2019 18 53.63 52.94 0.69 93 35 1917 2017 1986 1988 top-third 24 52.57 52.02 0.55 88 39 1913 2017 1986 1988 top-third 1998 36 52.73 52.00 0.73 95 31 1917 2018 1987 1988 top-third 48 52.70 51.99 0.71 95 30 1918 2018 1988 1935 top-third 60 52.58 51.98 0.60 90 34 1920 2020 1988 1942 top-third