1901-2000 Degrees Fahrenheit 1 43.1 36.3 6.8 127 2 1933 1931 2010 2001 top-tenth 2001 2 46.4 42.2 4.2 125 4 1917 1931,1963 2010 2001 top-tenth 3 51.8 47.8 4.0 127 2 1917 1931 2010 1931 top-tenth 4 55.7 52.3 3.4 124 5 1976 2016 2010 2005 top-tenth 2001,2015 5 58.9 55.5 3.4 126 3 1976 1931,2016 2010 2005 top-tenth 2005 6 59.9 56.8 3.1 127 2 1903 2005 2010 2005 top-tenth 7 59.6 56.5 3.1 128 1 1917 2011 2010 2011 highest 8 57.8 54.8 3.0 128 1 1917 2011 2010 2011 highest 9 54.8 52.1 2.7 124 5 1926 2012 2009 2010 top-tenth 1921 10 51.5 49.0 2.5 120 9 1917,1926 2012 2009 2010 top-tenth 11 48.5 46.3 2.2 114 15 1904 2012 2009 2010 top-third 1953 12 46.4 44.5 1.9 112 16 1904 2012 2009 2010 top-third 1931,1973,1983,2005,2007 18 50.5 48.6 1.9 114 14 1904 2012 2009 2010 top-third 1921,1953 24 46.9 44.5 2.4 120 7 1905 2017 2010 1999 top-tenth 36 46.3 44.5 1.8 115 11 1905 2012 2010 2008 top-tenth 2002,2008 48 46.2 44.5 1.7 112 13 1907 2013 2010 2010 top-third 2007,2010,2017 60 46.2 44.5 1.7 113 11 1907 2020 2009 2010 top-tenth 2001,2017