1901-2000 Degrees Fahrenheit 1 50.9 51.2 -0.3 59 71 1978 2018 1983 1982 normal 1919 2 47.2 49.8 -2.6 27 103 1978 1950 1983 1982 bottom-third 2003 3 46.6 49.7 -3.1 14 115 1978 1932 1979 1983 bottom-third 1908,1912 4 48.7 51.3 -2.6 16 113 1977 1932 1981 1983 bottom-third 5 52.2 54.2 -2.0 18 111 1977 1932 1981 1983 bottom-third 6 55.6 57.8 -2.2 13 116 1977 1932 1978 1983 bottom-tenth 7 59.3 61.0 -1.7 14 115 1977 1932 1978 1983 bottom-third 8 62.0 63.5 -1.5 13 116 1977 1932 1978 1983 bottom-tenth 9 63.5 65.2 -1.7 10 119 1977 1932 1978 1983 bottom-tenth 1918 10 64.3 65.9 -1.6 9 120 1977 1932 1978 1983 bottom-tenth 2010 11 63.9 65.8 -1.9 5 124 1977 1932,2017 1977 1983 bottom-tenth 12 63.1 65.1 -2.0 3 126 1977 2017 1977 1983 bottom-tenth 18 61.4 62.7 -1.3 11 117 1977,1978 2017 1979 1983 bottom-tenth 24 64.2 65.1 -0.9 12 116 1978 2017 1978 1983 bottom-tenth 1959,1961,1963 36 64.4 65.1 -0.7 16 111 1970,1978 2021 1982 1983 bottom-third 1961,1965,1981,1982,1995 48 64.3 65.1 -0.8 11 115 1970 2020 1981 1983 bottom-tenth 1943,1968,1973,1977,1981 60 64.3 65.1 -0.8 11 114 1970,1971 2020,2021 1981 1983 bottom-tenth 1962,1963,1967,1968,1977,1985