1901-2000 Degrees Fahrenheit 1 77.8 80.3 -2.5 4 125 1967 2007 1961 1960 bottom-tenth 2 78.4 80.5 -2.1 3 126 1967 2010 1950 1960 bottom-tenth 3 77.1 79.9 -2.8 1 128 1961,1967 1902 1961 1960 lowest 1967 4 74.9 77.9 -3.0 1 128 1961,1976 1902 1961 1960 lowest 1976 5 71.8 75.1 -3.3 1 128 1961 1902,2010 1961 1960 lowest 6 69.5 72.0 -2.5 2 127 1971 2015,2016 1961 1960 bottom-tenth 7 67.1 68.9 -1.8 5 124 1971 1927 1960 1959 bottom-tenth 1895,1947,1969,1978,1983 8 63.7 66.2 -2.5 4 125 1940 2017 1958 1960 bottom-tenth 9 61.4 64.2 -2.8 1 127 1961 2017 1961 1960 lowest 10 60.7 63.3 -2.6 1 127 1961 2017 1961 1960 lowest 11 61.3 63.4 -2.1 3 125 1977 2017 1958 1960 bottom-tenth 1940,1969,1970,1978 12 62.5 64.5 -2.0 6 122 1977 2017 1958 1960 bottom-tenth 18 65.1 67.0 -1.9 3 125 1977 2017 1961 1960 bottom-tenth 24 62.7 64.5 -1.8 6 121 1969,1970 2017 1961 1960 bottom-tenth 36 63.1 64.4 -1.3 8 118 1970 2018 1960 1960 bottom-tenth 1960,1966 48 62.9 64.4 -1.5 4 121 1971 2019,2020 1961 1960 bottom-tenth 1978,1979 60 63.4 64.4 -1.0 13 111 1970,1971 2020 1961 1960 bottom-third 1965,1978,1982