1901-2000 Degrees Fahrenheit 1 39.7 40.3 -0.6 47 83 1926 2010 2007 2015 normal 1935 2 36.6 34.4 2.2 97 33 1926 2010 2015 2012 top-third 1951,2002 3 32.6 29.0 3.6 119 11 1923 2010 2015 2012 top-tenth 4 30.1 25.9 4.2 121 9 1923 2010 2015 2012 top-tenth 5 31.0 25.0 6.0 126 3 1923 2012 2015 2012 top-tenth 2010 6 32.5 26.6 5.9 125 4 1918 2012 2015 2012 top-tenth 7 34.3 29.3 5.0 125 4 1918 2012 2015 2012 top-tenth 8 37.9 32.8 5.1 126 3 1918 2012 2015 2012 top-tenth 9 41.2 36.3 4.9 126 3 1905 2012 2015 2012 top-tenth 10 43.8 39.3 4.5 126 3 1905 2012 2015 2012 top-tenth 11 45.2 41.3 3.9 126 3 1904 2012 2015 2012 top-tenth 2002 12 46.3 42.2 4.1 126 3 1918 2012,2023 2015 2012 top-tenth 18 39.1 37.0 2.1 112 16 1905 2013,2017 2015 2013 top-third 24 44.3 42.2 2.1 116 12 1905 2023 2015 2013 top-tenth 1954 36 43.7 42.2 1.5 105 22 1906 2023 2015 2014 top-third 1951,1953,2004 48 44.0 42.2 1.8 107 19 1907 2023 2007 2015 top-third 60 44.6 42.1 2.5 120 5 1908 2023 2015 2014 top-tenth 2012,2021,2022