1991-2020 Degrees Fahrenheit 1 54.7 52.8 1.9 83 17 1925 2007 2012 2007 top-third 2005 2 58.6 58.6 0.0 71 29 1940 2007 2009 2012 top-third 1973 3 62.3 63.0 -0.7 67 33 1940 2021 2009 2012 top-third 1941,1953 4 65.7 65.7 0.0 73 27 1940 2021 2009 2012 top-third 1971,2014 5 66.6 66.3 0.3 82 18 1940 2021 2009 2012 top-third 1973,1983,1995,1999 6 65.5 65.3 0.2 81 19 1927 2018 2009 2012 top-third 1991,2014 7 63.3 63.1 0.2 80 20 1940 2019 2009 2012 top-third 1949 8 60.0 60.0 0.0 80 20 1940 2012,2021 2009 2012 top-third 1980,2004 9 56.6 56.8 -0.2 81 19 1940 2012 2009 2012 top-third 2004,2006 10 54.1 53.9 0.2 81 17 1940 2012 2009 2012 top-third 2007 11 52.5 52.0 0.5 84 14 1940 2012 2011 2012 top-third 1999 12 51.4 51.2 0.2 80 16 1940 2012 2011 2012 top-third 1995,2006 18 56.5 55.8 0.7 85 10 1940 2012 2011 2012 top-third 24 52.8 51.1 1.7 86 5 1935 2017 2012 2012 top-tenth 2012 36 52.3 51.1 1.2 80 8 1979 2021 2011 2012 top-tenth 48 52.3 51.0 1.3 79 6 1943,1964,1979 2019,2021,2022 2012 2013 top-tenth 60 51.8 50.9 0.9 77 5 1965,1967,1982 2020 2012 2013 top-tenth 2016