1901-2000 Degrees Fahrenheit 1 55.3 53.6 1.7 85 44 1907 1977 1895 1895 normal 1930 2 49.6 47.7 1.9 104 25 1907 1977,2010 1895 1895 top-third 1900,1911,2021 3 40.6 41.5 -0.9 42 87 1926 2012 1895 1895 bottom-third 1944,2019 4 33.4 35.9 -2.5 20 109 1904,1917 2012 1895 1895 bottom-third 1978,1996 5 29.3 32.3 -3.0 11 118 1912 2012 1895 1895 bottom-tenth 1979 6 -99 30.8 -99 -99 -99 1904 2012 normal 7 -99 31.4 -99 -99 -99 1904 2012 normal 8 -99 33.4 -99 -99 -99 1904 2012 normal 9 -99 36.2 -99 -99 -99 1904 2012 normal 10 -99 39.2 -99 -99 -99 1904 2012 normal 11 -99 41.8 -99 -99 -99 1904 2012 normal 12 -99 43.6 -99 -99 -99 1904 2012 normal 18 -99 39.3 -99 -99 -99 1918 2017 normal 24 -99 43.6 -99 -99 -99 1905 2017 normal 36 -99 43.5 -99 -99 -99 1918 2000 normal 48 -99 43.5 -99 -99 -99 1907 2013 normal 60 -99 43.5 -99 -99 -99 1908 2002 normal