1901-2000 Degrees Fahrenheit 1 47.66 41.50 6.16 127 3 1965 2012 2006 1910 top-tenth 2 40.04 37.66 2.38 104 26 1899 2012 2006 2005 top-third 3 37.14 35.15 1.99 101 29 1912 2012 2004 2006 top-third 4 37.00 34.55 2.45 111 18 1899 2012 2004 2006 top-third 5 38.41 35.98 2.43 115 14 1899 2000 2004 2006 top-third 6 40.78 39.01 1.77 109 20 1899 2016 2003 2006 top-third 7 43.99 42.70 1.29 101 28 1899 2016 2003 2006 top-third 8 47.67 46.37 1.30 103 26 1899 2016 2003 2006 top-third 9 50.86 49.40 1.46 110 19 1899 2012 2005 2006 top-third 1954 10 52.85 51.31 1.54 110 19 1899 2017 2005 2006 top-third 11 53.71 52.12 1.59 114 15 1899 2017 2005 2006 top-third 1992 12 53.84 52.03 1.81 118 11 1899 2017 2005 2006 top-tenth 18 49.75 47.67 2.08 120 8 1913 2017 2006 2000 top-tenth 24 53.85 52.02 1.83 120 8 1918 2017 2006 2000 top-tenth 36 53.66 52.00 1.66 119 8 1918 2018 2006 2000 top-tenth 2008 48 53.61 51.99 1.62 118 8 1918 2018 2006 2002 top-tenth 60 53.51 51.98 1.53 113 12 1920 2020 2005 2006 top-tenth