1901-2000 Degrees Fahrenheit 1 65.8 63.6 2.2 105 25 1983 1896 1976 1970 top-third 2 62.0 59.9 2.1 101 29 1983 1908 1976 1967 top-third 1995,2021 3 56.7 56.3 0.4 73 57 1958 1927,2012 1975 1976 normal 1919,2009 4 51.1 53.8 -2.7 11 119 1978 2017 1970 1976 bottom-tenth 1915 5 49.4 52.5 -3.1 6 123 1978 2017 1964 1976 bottom-tenth 6 48.9 52.8 -3.9 1 128 1977 2017 1977 1976 lowest 7 50.2 54.5 -4.3 1 128 1977 2017 1977 1976 lowest 8 53.1 57.1 -4.0 1 128 1977 2017 1977 1976 lowest 9 55.8 59.7 -3.9 1 128 1977 2017 1977 1976 lowest 10 58.1 61.8 -3.7 1 128 1977 2017 1977 1976 lowest 11 59.7 63.3 -3.6 1 128 1977 2017 1977 1976 lowest 12 60.2 63.9 -3.7 1 128 1977 2017 1977 1976 lowest 18 57.9 60.2 -2.3 1 127 1970,1977 2017 1970 1976 lowest 1970 24 61.9 63.9 -2.0 3 125 1969,1978 2017 1969 1976 bottom-tenth 36 62.3 63.9 -1.6 5 122 1970 2021 1971 1976 bottom-tenth 1971 48 62.9 63.9 -1.0 9 117 1971 2020 1972 1976 bottom-tenth 60 63.0 63.9 -0.9 12 113 1971 2020 1973 1976 bottom-tenth 1962,1982