1991-2020 Degrees Fahrenheit 1 52.6 52.6 0.0 79 51 1960 2012 1981 1979 normal 2 48.8 49.2 -0.4 82 47 1947 2012 1981 1976 normal 1994,2002 3 44.4 46.9 -2.5 41 87 1978 2023 1981 1976 bottom-third 1985 4 42.9 46.4 -3.5 21 107 1902 2012 1981 1980 bottom-third 1901,1979 5 44.4 47.4 -3.0 26 102 1902 1932 1981 1980 bottom-third 6 46.5 49.8 -3.3 12 115 1902 1932 1981 1980 bottom-tenth 1900,1915,1996 7 49.7 53.0 -3.3 8 119 1902 1932 1977 1981 bottom-tenth 1915,1984 8 52.8 56.2 -3.4 6 121 1902 2017 1977 1981 bottom-tenth 1958 9 55.8 58.8 -3.0 9 118 1902 2017 1977 1981 bottom-tenth 1915 10 58.2 60.5 -2.3 17 110 1902,1977 2017 1980 1981 bottom-third 1899 11 58.8 61.3 -2.5 12 115 1977 2017 1980 1981 bottom-tenth 1910,1914 12 59.2 61.2 -2.0 18 109 1902 2017 1981 1979 bottom-third 1912,1915,1958,1983 18 54.9 57.4 -2.5 10 115 1905 2017 1979 1981 bottom-tenth 1979,1984 24 59.2 61.2 -2.0 19 106 1905 2017 1981 1979 bottom-third 1983,1994 36 59.0 61.1 -2.1 10 113 1904 2018 1979 1981 bottom-tenth 48 59.1 61.1 -2.0 10 111 1905 2019,2020 1980 1981 bottom-tenth 1907,1971,1983 60 59.3 61.1 -1.8 17 102 1906 2020 1981 1979 bottom-third 1914,1968