1901-2000 Degrees Fahrenheit 1 79.39 77.81 1.58 100 29 1965 1998 2014 2015 top-third 2 82.60 81.48 1.12 94 35 1965 1998 2014 2015 top-third 3 84.37 83.21 1.16 97 32 1912 1936 2015 2012 top-third 1943 4 84.51 82.74 1.77 117 12 1915 1936 2015 2012 top-tenth 5 82.10 80.78 1.32 107 22 1915 1936 2015 2012 top-third 6 79.35 77.90 1.45 114 15 1907 2012 2015 2012 top-third 7 76.51 74.35 2.16 124 5 1912 2012 2015 2012 top-tenth 8 73.30 70.66 2.64 126 3 1912 2012 2015 2012 top-tenth 9 69.80 67.30 2.50 124 5 1912 2012 2015 2012 top-tenth 10 67.63 64.86 2.77 124 4 1912 2012 2015 2012 top-tenth 11 66.50 63.75 2.75 124 4 1912 2012 2015 2012 top-tenth 12 66.72 64.01 2.71 124 4 1912 2012 2015 2012 top-tenth 18 70.87 68.64 2.23 124 4 1912 2012 2015 2012 top-tenth 24 66.09 64.00 2.09 120 7 1913 2017 2015 2013 top-tenth 36 65.35 63.98 1.37 112 14 1917 2018 2015 2014 top-third 48 65.22 63.97 1.25 106 19 1915 2018 2011 2015 top-third 2005 60 65.73 63.96 1.77 123 1 1907 2016 2015 2016 highest