1901-2000 Degrees Fahrenheit 1 60.1 64.8 -4.7 2 128 1997 2006 1973 1972 bottom-tenth 2 59.1 60.6 -1.5 32 98 1915 2012 1970 1972 bottom-third 3 54.8 56.9 -2.1 21 109 1958 2017 1969 1972 bottom-third 1906,1969,1983 4 51.4 54.0 -2.6 12 118 1958 2017 1960 1972 bottom-tenth 5 49.9 52.6 -2.7 5 124 1899 2017 1915 1972 bottom-tenth 1913 6 49.7 53.0 -3.3 3 126 1899 2017 1912 1972 bottom-tenth 7 52.1 54.8 -2.7 4 125 1899 2017 1958 1972 bottom-tenth 1924,1958 8 55.2 57.5 -2.3 4 125 1977 2017 1958 1972 bottom-tenth 1915,1924 9 57.9 60.2 -2.3 3 126 1977 2017 1915 1972 bottom-tenth 1915 10 60.1 62.4 -2.3 3 126 1977 2017 1899 1972 bottom-tenth 11 61.8 63.9 -2.1 3 126 1977 2017 1899 1972 bottom-tenth 12 62.6 64.6 -2.0 3 126 1977 2012 1899 1972 bottom-tenth 18 60.3 60.7 -0.4 33 95 1913 2017 1970 1972 bottom-third 1916,1918,1985 24 64.1 64.6 -0.5 25 103 1977,1978 2000,2017 1970 1972 bottom-third 1916,1976,1994 36 64.3 64.6 -0.3 28 99 1977 2013 1971 1972 bottom-third 1919,1926,1968,1981,1989,1994 48 64.2 64.6 -0.4 19 107 1915,1980 2019 1971 1972 bottom-third 1901,1905,1918,1944,1960 60 64.1 64.6 -0.5 9 116 1962,1977 2020 1970 1972 bottom-tenth 1900,1917,1963,1970