1901-2000 Degrees Fahrenheit 1 64.67 66.80 -2.13 24 105 1925 1963 2002 2005 bottom-third 2 70.27 72.31 -2.04 14 115 1925 1963 1986 2005 bottom-third 3 75.56 76.58 -1.02 20 109 1912 1947 1993 2005 bottom-third 4 79.06 79.11 -0.05 64 65 1912 2022 2004 2005 normal 5 80.07 79.55 0.52 83 46 1912 2022 2004 2005 normal 6 79.31 78.45 0.86 95 34 1907 1934 2004 2005 top-third 7 77.75 76.32 1.43 116 13 1907 1934 2005 2001 top-tenth 8 74.75 73.40 1.35 111 18 1912 2012 2005 2000 top-third 9 71.63 70.23 1.40 112 17 1912 2012 2005 2000 top-third 1977 10 69.43 67.25 2.18 123 6 1912 2012 2005 2000 top-tenth 11 67.01 65.03 1.98 121 7 1912 2012 2005 2000 top-tenth 2020 12 66.16 64.01 2.15 120 8 1912 2012 2005 2000 top-tenth 18 70.56 68.82 1.74 120 8 1912 2012 2005 2000 top-tenth 24 65.82 64.00 1.82 116 11 1913 2017 2005 2000 top-tenth 36 65.38 63.98 1.40 113 13 1917 2018 2005 2002 top-tenth 48 65.30 63.97 1.33 108 17 1915 2018 2005 2003 top-third 2016 60 65.41 63.96 1.45 113 11 1907 2016 2005 2003 top-tenth