1901-2000 Degrees Fahrenheit 1 74.2 68.7 5.5 127 2 1917 2018 1895 1896 top-tenth 2 70.8 64.6 6.2 128 1 1907 1896 1895 1896 highest 3 63.1 60.1 3.0 123 6 1960 2012 1895 1896 top-tenth 1963,1991 4 58.3 55.9 2.4 115 14 1960 2012 1895 1896 top-third 5 54.7 52.6 2.1 113 16 1978 2012 1895 1896 top-third 6 52.5 50.7 1.8 110 18 1978 2012 1896 1896 top-third 1957 7 51.8 50.6 1.2 92 36 1978 2012 1896 1896 top-third 1943,1976,2020 8 52.3 52.0 0.3 69 59 1978 2017 1896 1896 normal 1901,1914,1964,2011 9 55.0 54.3 0.7 84 44 1978 2017 1896 1896 normal 1942,1992,2007,2019 10 57.4 56.8 0.6 84 44 1977 2017 1896 1896 normal 1900,1916,1943,1948,1950,1981,1992,2019 11 59.3 59.0 0.3 74 54 1968,1977 2017 1896 1896 normal 1900,1907,1914,1916,1920,1948,1953 12 60.7 60.4 0.3 68 60 1977 2012 1896 1896 normal 1907,1920,1948,1964 18 -99 57.2 -99 -99 -99 1979,1980 2017 normal 24 -99 60.4 -99 -99 -99 1978 2017 normal 36 -99 60.4 -99 -99 -99 1979 2018 normal 48 -99 60.4 -99 -99 -99 1980 2019 normal 60 -99 60.4 -99 -99 -99 1980 2020 normal