1901-2000 Degrees Fahrenheit 1 76.8 71.9 4.9 127 2 1976 1933 1895 1896 top-tenth 2 73.2 68.2 5.0 128 1 1997 1896 1895 1896 highest 3 67.3 64.5 2.8 120 9 1971 1908 1895 1896 top-tenth 4 63.1 61.0 2.1 113 16 1960,1971 1927 1895 1896 top-third 1908,1946 5 59.7 58.3 1.4 99 30 1978 2017 1895 1896 top-third 1918,1944 6 57.6 56.7 0.9 86 42 1978 2017 1896 1896 top-third 1898,1953,1995 7 57.3 56.5 0.8 87 41 1977 2017 1896 1896 top-third 1952,1955,1989 8 58.0 57.6 0.4 76 52 1977 2017 1896 1896 normal 1903,1930,1946,1962 9 60.3 59.6 0.7 84 44 1977 1932,2017 1896 1896 normal 1943 10 62.2 61.6 0.6 85 43 1977 2017 1896 1896 normal 1903,1946 11 63.8 63.3 0.5 84 44 1977 2017 1896 1896 normal 1938,1943,1946 12 65.0 64.6 0.4 82 46 1977 2017 1896 1896 normal 1913,1919,1928,1943,1987,2006,2008 18 -99 61.9 -99 -99 -99 1977 2017 normal 24 -99 64.6 -99 -99 -99 1978 2017 normal 36 -99 64.6 -99 -99 -99 1970 2021 normal 48 -99 64.6 -99 -99 -99 1971 2020 normal 60 -99 64.6 -99 -99 -99 1971 2020,2021 normal