1901-2000 Degrees Fahrenheit 1 42.93 41.69 1.24 87 42 1911 1999 1986 1988 top-third 1973 2 48.64 47.91 0.73 86 43 1976 2016 1988 1983 top-third 3 53.78 53.55 0.23 68 61 1976 2016 1986 1988 normal 4 58.17 58.19 -0.02 55 74 1976 2016 1986 1988 normal 5 61.38 61.28 0.10 65 64 1976 2016 1986 1988 normal 1944 6 62.50 62.48 0.02 59 70 1976 2016 1986 1988 normal 1913 7 62.21 62.15 0.06 63 66 1976 2016 1985 1988 normal 1918 8 61.05 60.77 0.28 71 58 1907 2016 1985 1988 normal 9 59.00 58.62 0.38 82 47 1917 2016 1985 1988 normal 2013,2014 10 56.02 56.14 -0.12 54 75 1917 2016 1982 1988 normal 11 54.03 53.78 0.25 77 52 1912 2012 1985 1988 normal 12 52.31 52.03 0.28 76 52 1917 2016 1985 1988 normal 18 56.05 55.51 0.54 88 40 1917 2016 1986 1988 top-third 24 52.52 52.02 0.50 87 40 1917 2017 1986 1988 top-third 36 52.79 52.01 0.78 97 29 1917 2017 1987 1988 top-third 48 52.80 51.99 0.81 98 27 1918 2018 1988 1934 top-third 60 52.60 51.99 0.61 92 32 1920 2020 1988 1938 top-third