1901-2000 Degrees Fahrenheit 1 70.0 67.5 2.5 100 29 1903 2022 1990 1990 top-third 1990 2 70.0 68.7 1.3 91 38 1903 2022 1989 1990 top-third 1917,1939,1948 3 68.7 67.2 1.5 100 29 1903 2020 1990 1988 top-third 1943 4 66.9 64.3 2.6 120 9 1903 2018,2022 1990 1955 top-tenth 1955,2013,2015 5 63.2 60.4 2.8 123 6 1907 2010 1990 1949 top-tenth 6 59.1 56.1 3.0 124 5 1926 2010 1990 1991 top-tenth 2016 7 55.1 51.6 3.5 125 4 1907 2012 1990 1991 top-tenth 2020 8 51.4 48.2 3.2 120 9 1907 2012 1990 1949 top-tenth 2022 9 49.5 46.0 3.5 121 7 1904,1907 2012 1990 1991 top-tenth 1998 10 48.8 45.3 3.5 121 7 1904 2012 1990 1949 top-tenth 2022 11 49.4 45.7 3.7 123 5 1905 2012 1990 1991 top-tenth 12 50.3 46.9 3.4 122 6 1905 2012 1990 1991 top-tenth 18 52.5 50.0 2.5 117 11 1918 2012 1990 1991 top-tenth 24 48.9 46.9 2.0 111 16 1905 2013 1990 1991 top-third 2008 36 48.4 46.9 1.5 103 23 1905,1906 2022 1990 1955 top-third 1953,1954 48 48.2 46.9 1.3 99 26 1907 2013 1990 1955 top-third 1998 60 48.0 46.9 1.1 96 28 1907,1908 2022 1990 1955 top-third 1992,1995