1901-2000 Degrees Fahrenheit 1 72.8 72.1 0.7 79 50 1915 1947 2004 2005 normal 1948,1987 2 74.4 73.3 1.1 95 34 1915 1936 2004 2005 top-third 1933,1940 3 73.0 72.3 0.7 86 43 1915 1936 2004 2005 top-third 4 70.0 69.5 0.5 74 55 1915 1934 2004 2005 normal 1956,1970,2019 5 67.0 65.5 1.5 103 26 1907 1991 2004 2005 top-third 1949,1986,2016,2018 6 62.6 61.0 1.6 109 20 1904 2012 2005 2005 top-third 1933,2005 7 58.0 56.2 1.8 110 19 1904 2012 2004 2005 top-third 8 55.4 52.2 3.2 123 6 1904,1912 2012 2005 1998 top-tenth 1987 9 51.9 49.5 2.4 116 12 1904 2012 2005 2005 top-tenth 2005 10 51.0 48.5 2.5 114 14 1904 2012 2004 2005 top-third 1954,1983 11 51.4 49.0 2.4 116 12 1904 2012 2005 2005 top-tenth 1987,2005 12 53.0 50.3 2.7 120 8 1904 2012 2005 1999 top-tenth 18 56.2 53.9 2.3 122 6 1904 2012 2005 1999 top-tenth 1987 24 52.8 50.3 2.5 121 6 1905 2017 2005 2000 top-tenth 2000 36 52.3 50.3 2.0 120 6 1904 2018 2005 2000 top-tenth 1934 48 51.8 50.3 1.5 112 13 1905 2019 2005 2002 top-third 1933,1955 60 52.0 50.3 1.7 120 4 1906 2020 2005 2002 top-tenth 2019