1901-2000 Degrees Fahrenheit 1 58.2 56.0 2.2 98 31 1907 1934 2005 1998 top-third 2 54.2 50.4 3.8 120 9 1907 1934 2005 1987 top-tenth 1939 3 46.9 43.8 3.1 109 20 1899 2012 2005 2004 top-third 4 41.0 37.9 3.1 107 22 1899 2012 2003 2005 top-third 5 39.3 33.3 6.0 125 4 1899 2012 2005 1992 top-tenth 6 36.1 31.1 5.0 121 7 1917 2012 2005 2000 top-tenth 1934 7 36.2 31.1 5.1 121 7 1899 2012 2005 2000 top-tenth 8 37.8 33.2 4.6 123 5 1899 2012 2005 2000 top-tenth 1981 9 40.9 36.2 4.7 124 4 1899 2012 2005 2000 top-tenth 10 43.9 39.7 4.2 124 4 1899 2012 2005 2000 top-tenth 11 46.7 42.6 4.1 125 3 1899 2012 2005 2000 top-tenth 2016 12 48.4 44.6 3.8 124 4 1899 2012 2005 1934 top-tenth 18 44.0 40.0 4.0 125 2 1979 2000 2005 2000 top-tenth 24 47.5 44.6 2.9 124 3 1917 2000,2017 2005 2000 top-tenth 2007,2013 36 47.2 44.5 2.7 124 2 1918 2000 2005 2000 top-tenth 2007,2017 48 47.0 44.5 2.5 123 2 1899 2007 2005 2006 top-tenth 60 46.9 44.5 2.4 123 1 1920 2006,2007 2005 2006 highest 2007