1901-2000 Degrees Fahrenheit 1 76.8 79.3 -2.5 12 117 1967 1930 1967 1966 bottom-tenth 2 76.0 77.8 -1.8 17 112 1974 1914 1967 1966 bottom-third 1947,1979,1982 3 72.7 74.7 -2.0 9 120 1976 1902 1967 1966 bottom-tenth 1971,1983,1992 4 69.8 71.2 -1.4 19 110 1976 1896 1961 1967 bottom-third 1903,1990 5 65.6 67.3 -1.7 11 118 1971,1983 2012 1961 1967 bottom-tenth 6 60.7 63.5 -2.8 1 128 1958,1960,1968 2012 1960 1967 lowest 1958,1960 7 57.6 60.3 -2.7 4 125 1940,1978 2012 1958 1967 bottom-tenth 2014 8 56.3 58.2 -1.9 11 117 1978 2012 1964 1967 bottom-tenth 1963 9 55.2 57.3 -2.1 6 122 1940 2012,2017 1961 1967 bottom-tenth 1958,1961 10 55.6 57.8 -2.2 4 124 1978 2017 1958 1967 bottom-tenth 2014 11 56.6 59.1 -2.5 1 127 1968 2017 1968 1967 lowest 12 58.0 60.8 -2.8 1 127 1968 2017 1968 1967 lowest 18 59.6 61.7 -2.1 1 127 1968 2017 1968 1967 lowest 24 59.0 60.8 -1.8 5 122 1978 2017 1968 1967 bottom-tenth 36 59.4 60.8 -1.4 9 117 1970 2018 1961 1967 bottom-tenth 1961,1984 48 59.7 60.7 -1.0 12 113 1971 2019,2020 1963 1967 bottom-tenth 1962,1963,1972,1985 60 59.7 60.7 -1.0 14 110 1980 2020 1964 1967 bottom-third 1963