1901-2000 Degrees Fahrenheit 1 62.3 61.3 1.0 84 46 1907 2006 1904 1900 normal 1895,1900,1909 2 60.0 57.2 2.8 113 17 1960 2012 1904 1905 top-third 1927 3 51.7 53.3 -1.6 29 101 1958 2012 1902 1904 bottom-third 1928 4 47.5 50.6 -3.1 8 122 1978 2017 1902 1904 bottom-tenth 1912 5 46.7 49.3 -2.6 10 119 1978 2017 1902 1904 bottom-tenth 6 47.1 49.7 -2.6 10 119 1902 2017 1904 1903 bottom-tenth 7 49.3 51.5 -2.2 10 119 1902 2017 1904 1903 bottom-tenth 2010 8 52.7 54.3 -1.6 19 110 1902 2017 1904 1903 bottom-third 9 55.6 57.1 -1.5 17 112 1902,1977 2017 1904 1903 bottom-third 1951,1960,1984 10 57.9 59.3 -1.4 15 114 1977 2017 1904 1903 bottom-third 2014 11 59.8 60.9 -1.1 21 108 1977 2017 1904 1903 bottom-third 1931,1975,1983 12 60.5 61.6 -1.1 16 113 1977 2017 1904 1903 bottom-third 1899,1951,1996 18 56.0 57.6 -1.6 6 122 1902,1977,1978 2017 1902 1904 bottom-tenth 24 60.2 61.6 -1.4 5 123 1978 2017 1905 1904 bottom-tenth 1968 36 61.2 61.6 -0.4 28 99 1970,1979 2018,2019 1904 1903 bottom-third 1941,1959 48 60.7 61.6 -0.9 10 116 1980 2020 1905 1904 bottom-tenth 1982,1984,1985 60 60.9 61.6 -0.7 17 108 1980,1981 2020 1905 1904 bottom-third 1906,1963,1968,1986