1901-2000 Degrees Fahrenheit 1 60.21 59.06 1.15 100 29 1950 2022 2009 2011 top-third 2 61.88 59.80 2.08 120 9 1950 2022 2010 2011 top-tenth 2016 3 60.21 58.41 1.80 119 10 1915 2021 2009 2011 top-tenth 4 57.72 55.67 2.05 125 4 1907 2018 2011 2012 top-tenth 5 54.52 52.25 2.27 128 1 1907 2012 2011 2012 highest 6 51.76 48.54 3.22 128 1 1917 2012 2011 2012 highest 7 48.22 44.87 3.35 128 1 1917 2012 2011 2012 highest 8 45.27 41.73 3.54 128 1 1917 2012 2011 2012 highest 9 43.05 39.61 3.44 127 1 1917 2012 2011 2012 highest 10 41.99 38.72 3.27 126 2 1917 2016 2011 2012 top-tenth 11 42.02 38.97 3.05 125 3 1917 2016 2011 2012 top-tenth 12 42.91 40.04 2.87 125 3 1917 2016 2011 2012 top-tenth 18 45.31 42.87 2.44 125 3 1917 2016 2011 2012 top-tenth 24 41.93 40.04 1.89 117 10 1918 2017 2011 2006 top-tenth 36 41.68 40.02 1.66 115 11 1918 2017 2011 2007 top-tenth 48 41.40 40.01 1.39 108 17 1918 2018 2011 2008 top-third 60 41.24 40.00 1.24 102 22 1920 2020 2011 2009 top-third