1901-2000 Degrees Fahrenheit 1 60.7 61.0 -0.3 45 84 1958 2005 1903 1901 normal 1946 2 58.6 56.7 1.9 108 21 1917 1999 1903 1895 top-third 1933,1953,2006,2013 3 51.6 51.0 0.6 78 51 1926 2010 1903 1901 normal 1899,1918,1936,1951,1968,1993,2007 4 44.8 45.1 -0.3 49 80 1926 2012 1900 1903 normal 1963,1975 5 37.7 39.4 -1.7 21 108 1926 2012 1900 1903 bottom-third 1939 6 32.6 35.4 -2.8 9 120 1926 2012 1904 1903 bottom-tenth 1920 7 30.1 33.2 -3.1 7 121 1907 2012 1904 1903 bottom-tenth 1917 8 29.9 33.2 -3.3 4 124 1905 2012 1904 1903 bottom-tenth 9 31.6 34.5 -2.9 5 123 1905 2012 1904 1903 bottom-tenth 1934 10 34.1 36.7 -2.6 5 123 1905 2012 1904 1903 bottom-tenth 11 36.2 39.1 -2.9 4 124 1905 2012 1904 1903 bottom-tenth 12 38.5 41.4 -2.9 4 124 1905 2012 1904 1903 bottom-tenth 18 38.0 39.3 -1.3 13 115 1905 2012 1904 1903 bottom-tenth 1906,1923 24 40.0 41.3 -1.3 10 117 1905 2013 1904 1903 bottom-tenth 1924 36 40.4 41.3 -0.9 14 112 1906 2012 1904 1903 bottom-third 1925 48 40.7 41.3 -0.6 20 105 1907 2013 1904 1903 bottom-third 1911,1968 60 40.7 41.3 -0.6 17 107 1908 2013 1904 1903 bottom-third 1914,1915,1921,1944,1967