1901-2000 Degrees Fahrenheit 1 71.69 72.10 -0.41 34 95 1927 1983 1912 1913 bottom-third 1956 2 72.89 72.86 0.03 58 71 1992 1936 1912 1913 normal 3 71.71 71.40 0.31 64 65 1915 1936,2021 1913 1901 normal 2014 4 69.07 68.60 0.47 80 49 1907 2018 1913 1901 normal 1958 5 65.46 65.09 0.37 73 56 1907 2012 1913 1901 normal 1919 6 61.34 61.16 0.18 67 62 1917 2012 1913 1911 normal 7 56.80 57.25 -0.45 37 92 1917 2012 1913 1911 bottom-third 8 54.01 53.86 0.15 63 66 1912 2012 1913 1911 normal 9 51.71 51.52 0.19 67 61 1917 2012 1913 1911 normal 1996 10 51.05 50.54 0.51 84 44 1912 2012 1913 1900 normal 11 51.11 50.86 0.25 71 57 1912 2012 1913 1911 normal 1994 12 52.15 52.03 0.12 62 66 1917 2012 1913 1911 normal 18 55.03 55.07 -0.04 60 68 1917 2017 1913 1911 normal 24 51.74 52.02 -0.28 33 94 1918 2017 1913 1911 bottom-third 1973 36 51.16 52.00 -0.84 9 117 1917 2018 1906 1913 bottom-tenth 48 51.50 51.99 -0.49 15 110 1920 2018 1913 1912 bottom-third 60 51.58 51.98 -0.40 18 106 1920 2020 1913 1912 bottom-third 1900