1901-2000 Degrees Fahrenheit 1 36.3 34.1 2.2 94 36 1933 1995,2015 2019 2017 top-third 1967,1983 2 35.8 32.1 3.7 115 15 1949 2015 2019 2018 top-third 1958,1996 3 34.9 31.7 3.2 112 17 1949 2015 2019 2018 top-third 2014 4 36.7 33.6 3.1 118 11 1949 2015 2019 2018 top-tenth 5 38.4 37.0 1.4 95 34 1949 2015 2019 2018 top-third 1900,1908,2016 6 42.3 41.1 1.2 90 39 1949 2015 2019 2018 top-third 1976,2004,2013 7 46.7 45.2 1.5 97 32 1949 2015 2019 2018 top-third 1941,1943,1982 8 50.0 48.6 1.4 92 37 1949 2015 2011 2019 top-third 1970,1982 9 51.6 50.3 1.3 92 37 1949 2015 2012 2019 top-third 1968,2011 10 51.6 50.8 0.8 82 47 1917 2015 2012 2019 normal 1930,1988 11 51.4 50.4 1.0 88 41 1949 2015 2012 2019 top-third 1911,1990,1991,1996,2001 12 50.5 49.5 1.0 90 39 1949 2015 2012 2019 top-third 1996,2001 18 47.6 46.7 0.9 93 35 1949 2016 2012 2019 top-third 1959,2009 24 50.9 49.5 1.4 109 19 1913 2016 2013 2019 top-third 1998,2008 36 51.5 49.5 2.0 118 9 1914 2016,2017 2014 2019 top-tenth 48 51.6 49.5 2.1 119 7 1915,1949 2018 2014 2019 top-tenth 2022 60 51.6 49.4 2.2 118 7 1917,1949 2018 2015 2019 top-tenth