1901-2000 Degrees Fahrenheit 1 72.95 72.10 0.85 92 37 1927 1983 2014 2013 top-third 2 73.44 72.86 0.58 87 42 1992 1936 2014 2013 top-third 1991 3 72.75 71.40 1.35 112 17 1915 1936,2021 2014 2012 top-third 4 69.77 68.60 1.17 110 19 1907 2018 2014 2012 top-third 1939 5 66.46 65.09 1.37 113 16 1907 2012 2014 2012 top-third 1977 6 62.95 61.16 1.79 116 13 1917 2012 2014 2012 top-tenth 7 58.67 57.25 1.42 111 18 1917 2012 2014 2012 top-third 8 55.47 53.86 1.61 115 14 1912 2012 2014 2012 top-third 9 53.40 51.52 1.88 119 9 1917 2012 2014 2012 top-tenth 2021 10 51.98 50.54 1.44 112 16 1912 2012 2014 2012 top-third 11 52.43 50.86 1.57 114 14 1912 2012 2014 2012 top-third 2007 12 53.58 52.03 1.55 114 14 1917 2012 2014 2012 top-third 18 56.20 55.07 1.13 108 20 1917 2017 2014 2013 top-third 24 52.81 52.02 0.79 97 30 1918 2017 2014 2013 top-third 36 52.88 52.00 0.88 100 26 1917 2018 2011 2014 top-third 48 53.48 51.99 1.49 113 12 1920 2018 2014 2008 top-tenth 60 53.37 51.98 1.39 111 13 1920 2020 2014 2009 top-third 2009