1901-2000 Degrees Fahrenheit 1 75.1 69.4 5.7 126 3 1976 1899 1895 1896 top-tenth 2 70.9 65.4 5.5 128 1 1907 1896 1895 1896 highest 3 63.7 61.3 2.4 117 12 1931,1960 2012 1895 1896 top-tenth 1963 4 59.1 57.3 1.8 108 21 1960 2012 1895 1896 top-third 1935,1948,1990 5 55.6 54.4 1.2 92 37 1940 2012 1895 1896 top-third 1998,2018 6 53.5 52.7 0.8 80 48 1978 2012 1896 1896 normal 1955,1967,1992,2009 7 53.2 52.5 0.7 74 54 1940 2012 1896 1896 normal 8 53.6 53.7 -0.1 49 79 1978 2017 1896 1896 normal 1910,1930,1953,1966,2003,2011 9 56.2 56.0 0.2 71 57 1977 2017 1896 1896 normal 1903,1985,2003 10 58.6 58.3 0.3 72 56 1977 2017 1896 1896 normal 1962,1992,2003 11 60.4 60.2 0.2 66 62 1977 2017 1896 1896 normal 1944,1956 12 61.8 61.6 0.2 61 67 1977 2017 1896 1896 normal 2004,2009 18 -99 58.6 -99 -99 -99 1977 2017 normal 24 -99 61.6 -99 -99 -99 1978 2017 normal 36 -99 61.6 -99 -99 -99 1970,1978 2018,2019 normal 48 -99 61.6 -99 -99 -99 1980 2019,2020 normal 60 -99 61.6 -99 -99 -99 1980,1981 2020 normal