1901-2000 Degrees Fahrenheit 1 75.6 75.7 -0.1 58 71 1903 1914 1979 1978 normal 1949,1991,1993,2006,2014 2 71.7 72.0 -0.3 55 74 1976 1899 1979 1977 normal 1904,1985 3 67.0 67.9 -0.9 30 99 1907 1896 1979 1978 bottom-third 1926 4 62.2 63.8 -1.6 15 114 1960 2012 1971 1979 bottom-third 1940,1984,1992 5 57.1 59.7 -2.6 5 124 1960 2012 1978 1979 bottom-tenth 1968,1983 6 54.5 56.5 -2.0 13 116 1978 2012 1979 1977 bottom-tenth 7 52.8 54.4 -1.6 17 111 1978 2012 1979 1977 bottom-third 1912,1964 8 52.3 53.9 -1.6 20 108 1940 2012 1978 1979 bottom-third 1915 9 53.2 54.7 -1.5 16 112 1978 2017 1978 1979 bottom-third 1904,1918,1963 10 54.8 56.4 -1.6 11 117 1977,1978 2017 1978 1979 bottom-tenth 1984,1996 11 56.8 58.4 -1.6 9 119 1977 2017 1978 1979 bottom-tenth 1960,1969 12 58.5 60.1 -1.6 7 121 1968 2017 1978 1979 bottom-tenth 1969 18 57.0 58.9 -1.9 3 125 1977,1979 1922 1979 1978 bottom-tenth 1961,1969 24 58.9 60.1 -1.2 10 117 1978 2017 1979 1976 bottom-tenth 1971,2014 36 58.6 60.1 -1.5 4 122 1970 2018 1979 1977 bottom-tenth 1969 48 58.3 60.1 -1.8 1 124 1980 2019,2020 1980 1979 lowest 60 58.5 60.1 -1.6 1 123 1980 2020 1980 1979 lowest