1901-2000 Degrees Fahrenheit 1 36.9 34.3 2.6 99 30 1909 2021 1997 1996 top-third 1969 2 41.3 38.2 3.1 116 13 1911 2021 1997 1995 top-tenth 2012,2020 3 46.0 43.5 2.5 114 15 1911 2017,2021 1997 1995 top-third 4 51.7 48.8 2.9 122 7 1912 2021 1997 1977 top-tenth 1977 5 55.7 53.2 2.5 118 11 1912 2021 1997 1977 top-tenth 2007 6 58.8 56.4 2.4 121 8 1912 2021 1997 1998 top-tenth 2019 7 60.4 58.2 2.2 119 10 1912 2021 1997 1977 top-tenth 8 60.6 58.5 2.1 118 11 1912 2021 1997 1934 top-tenth 2022 9 59.2 57.7 1.5 104 25 1912 2020,2021 1997 1996 top-third 1981,2007 10 57.6 56.3 1.3 104 25 1912 2020 1997 1996 top-third 1977,1981,1989,2013 11 55.7 54.6 1.1 97 32 1912 2017 1997 1996 top-third 1946,1999 12 54.2 52.9 1.3 102 27 1912 2017 1997 1996 top-third 1950,2007,2010 18 55.0 54.0 1.0 99 29 1913 2017 1997 1996 top-third 1910,1950,1994,2007,2010 24 53.5 52.8 0.7 88 40 1913 2017 1993 1997 top-third 1978,1982 36 53.9 52.8 1.1 100 27 1914 2018 1994 1997 top-third 1936 48 54.0 52.8 1.2 100 26 1915 2018,2020 1995 1997 top-third 1999 60 54.1 52.8 1.3 101 24 1915,1916 2020,2021 1997 1998 top-third 1999