1901-2000 Degrees Fahrenheit 1 56.3 50.1 6.2 118 12 1895 1932 1917 1911 top-tenth 1930 2 47.8 48.7 -0.9 53 77 1978 1950 1915 1917 normal 1896,1914,2008 3 45.8 48.6 -2.8 19 110 1978 1932 1915 1917 bottom-third 1915,2014 4 47.1 50.1 -3.0 12 117 1977 1932 1912 1917 bottom-tenth 1904,1908 5 49.5 53.1 -3.6 4 125 1977 1932 1902 1917 bottom-tenth 1902,2010 6 53.6 56.9 -3.3 3 126 1977 1932 1902 1917 bottom-tenth 1902,1970 7 57.3 60.2 -2.9 5 124 1977 1932 1902 1917 bottom-tenth 1902 8 60.3 62.8 -2.5 5 124 1977 1932 1899 1917 bottom-tenth 2010 9 62.4 64.5 -2.1 4 125 1977 1932 1918 1917 bottom-tenth 10 63.0 65.3 -2.3 3 126 1977 1932,1999,2017 1918 1917 bottom-tenth 1970 11 63.1 65.2 -2.1 3 126 1977 2017 1918 1917 bottom-tenth 12 62.7 64.5 -1.8 5 124 1977 2017 1902 1917 bottom-tenth 18 60.9 62.0 -1.1 16 112 1977 2017 1905 1917 bottom-third 1904,1980,1981,1994,2015 24 63.7 64.5 -0.8 21 107 1977,1978 2017 1905 1917 bottom-third 1967,1979 36 64.1 64.5 -0.4 29 98 1970 2018 1906 1917 bottom-third 1902,1905,1990,1996 48 64.0 64.5 -0.5 23 103 1970 2019 1905 1917 bottom-third 1904,1967,1983,1996 60 64.0 64.5 -0.5 23 102 1970,1971,1980 2020 1906 1917 bottom-third 1906,1961,1983,1988,1997