1901-2000 Degrees Fahrenheit 1 72.03 72.10 -0.07 54 75 1927 1983 1920 1919 normal 2 73.35 72.86 0.49 84 45 1992 1936 1920 1901 normal 3 72.35 71.40 0.95 100 29 1915 1936,2021 1920 1901 top-third 4 69.29 68.60 0.69 91 38 1907 2018 1920 1901 top-third 1970 5 65.63 65.09 0.54 81 48 1907 2012 1920 1901 normal 6 62.47 61.16 1.31 109 20 1917 2012 1920 1910 top-third 7 58.81 57.25 1.56 115 14 1917 2012 1920 1921 top-third 8 55.76 53.86 1.90 119 10 1912 2012 1920 1921 top-tenth 9 53.24 51.52 1.72 114 14 1917 2012 1920 1921 top-third 10 51.89 50.54 1.35 109 19 1912 2012 1920 1921 top-third 11 52.14 50.86 1.28 110 18 1912 2012 1920 1921 top-third 12 53.25 52.03 1.22 109 19 1917 2012 1920 1921 top-third 18 55.33 55.07 0.26 75 53 1917 2017 1920 1919 normal 24 51.89 52.02 -0.13 52 75 1918 2017 1920 1911 normal 1983 36 51.96 52.00 -0.04 52 74 1917 2018 1920 1911 normal 48 51.83 51.99 -0.16 39 86 1920 2018 1920 1911 bottom-third 1927 60 51.42 51.98 -0.56 12 112 1920 2020 1920 1914 bottom-tenth