1901-2000 Degrees Fahrenheit 1 80.4 80.9 -0.5 42 87 1994 1902 1895 1895 bottom-third 1910,1911,1912,1918,1965,1999 2 79.3 80.0 -0.7 43 86 1961 1902 1895 1895 bottom-third 1982,2002 3 76.5 77.5 -1.0 24 105 1961 1902 1895 1895 bottom-third 1960,2005,2014 4 74.0 74.4 -0.4 44 85 1961 1896 1895 1895 normal 1919,1920,1921,2009 5 70.7 71.1 -0.4 40 89 1983 1908 1895 1895 bottom-third 1978,2004,2007,2008 6 66.1 67.9 -1.8 10 119 1983 1927 1895 1895 bottom-tenth 1940,1942,1988 7 63.5 65.2 -1.7 16 113 1940 1911 1895 1895 bottom-third 1964,1984,1996 8 -99 63.3 -99 -99 -99 1978 1932 normal 9 -99 62.5 -99 -99 -99 1940 1932 normal 10 -99 62.8 -99 -99 -99 1977 1932 normal 11 -99 64.1 -99 -99 -99 1977 1932 normal 12 -99 65.4 -99 -99 -99 1977 1932 normal 18 -99 66.2 -99 -99 -99 1969,1977,1984 2020 normal 24 -99 65.4 -99 -99 -99 1978 2020 normal 36 -99 65.4 -99 -99 -99 1970 2021 normal 48 -99 65.4 -99 -99 -99 1971 2022 normal 60 -99 65.4 -99 -99 -99 1970,1971 2020,2021 normal