1901-2000 Degrees Fahrenheit 1 59.63 59.06 0.57 82 47 1950 2022 1989 1988 normal 2 60.20 59.80 0.40 79 50 1950 2022 1987 1989 normal 3 59.20 58.41 0.79 93 36 1915 2021 1989 1988 top-third 4 56.11 55.67 0.44 78 51 1907 2018 1989 1988 normal 1943 5 52.89 52.25 0.64 93 36 1907 2012 1989 1987 top-third 6 49.64 48.54 1.10 103 26 1917 2012 1989 1987 top-third 1938 7 46.15 44.87 1.28 107 22 1917 2012 1989 1987 top-third 8 43.61 41.73 1.88 118 11 1917 2012 1989 1986 top-tenth 9 40.61 39.61 1.00 95 33 1917 2012 1989 1987 top-third 10 39.65 38.72 0.93 97 31 1917 2016 1989 1987 top-third 11 39.79 38.97 0.82 92 36 1917 2016 1989 1987 top-third 12 40.74 40.04 0.70 93 35 1917 2016 1989 1987 top-third 18 43.52 42.87 0.65 93 35 1917 2016 1989 1987 top-third 24 40.53 40.04 0.49 86 41 1918 2017 1989 1988 top-third 1954 36 40.42 40.02 0.40 80 46 1918 2017 1986 1989 normal 48 40.70 40.01 0.69 93 32 1918 2018 1988 1989 top-third 60 40.75 40.00 0.75 93 31 1920 2020 1989 1987 top-third