1901-2000 Degrees Fahrenheit 1 79.93 77.81 2.12 109 20 1965 1998 1955 1954 top-third 2 82.62 81.48 1.14 95 34 1965 1998 1951 1955 top-third 3 83.81 83.21 0.60 83 46 1912 1936 1951 1955 normal 1925 4 83.85 82.74 1.11 100 29 1915 1936 1955 1954 top-third 2001 5 82.01 80.78 1.23 106 23 1915 1936 1955 1952 top-third 6 78.70 77.90 0.80 90 39 1907 2012 1953 1955 top-third 7 75.10 74.35 0.75 91 38 1912 2012 1955 1954 top-third 8 71.11 70.66 0.45 80 49 1912 2012 1955 1954 normal 9 67.78 67.30 0.48 80 49 1912 2012 1955 1954 normal 10 65.19 64.86 0.33 74 54 1912 2012 1955 1954 normal 11 63.78 63.75 0.03 60 68 1912 2012 1951 1955 normal 12 64.20 64.01 0.19 68 60 1912 2012 1952 1955 normal 18 69.09 68.64 0.45 82 46 1912 2012 1952 1955 normal 2019 24 64.39 64.00 0.39 82 45 1913 2017 1952 1955 normal 36 64.91 63.98 0.93 99 27 1917 2018 1953 1955 top-third 48 64.98 63.97 1.01 101 24 1915 2018 1955 1936 top-third 60 64.81 63.96 0.85 95 29 1907 2016 1955 1938 top-third 1938