1901-2000 Degrees Fahrenheit 1 66.31 64.86 1.45 100 29 1965 1998 2011 2010 top-third 2 70.06 68.48 1.58 111 18 1974 1998 2009 2011 top-third 3 72.29 70.19 2.10 123 6 1950 2022 2010 2011 top-tenth 4 71.86 69.77 2.09 123 6 1903 2021,2022 2011 1936 top-tenth 5 70.17 67.85 2.32 125 4 1907 2018 2011 1936 top-tenth 6 67.59 65.05 2.54 128 1 1907 2012 2011 2012 highest 7 65.14 61.69 3.45 128 1 1912 2012 2011 2012 highest 8 61.68 58.21 3.47 128 1 1917 2012 2011 2012 highest 9 58.84 55.08 3.76 128 1 1912 2012 2011 2012 highest 10 56.50 52.85 3.65 127 1 1917 2012 2011 2012 highest 11 55.34 51.84 3.50 127 1 1912 2012 2011 2012 highest 12 55.32 52.03 3.29 127 1 1912 2012 2011 2012 highest 18 59.00 56.37 2.63 127 1 1917 2012 2011 2012 highest 24 54.11 52.02 2.09 120 7 1913,1918 2017 2011 2000 top-tenth 36 53.60 52.00 1.60 116 10 1917 2018 2011 2007 top-tenth 2016 48 53.38 51.99 1.39 107 18 1918 2018 2011 2008 top-third 60 53.23 51.98 1.25 106 18 1920 2020 2011 2009 top-third 2000