1901-2000 Degrees Fahrenheit 1 31.7 30.5 1.2 76 54 1977 1950 1899 1900 normal 2 32.4 31.9 0.5 67 62 1918 1932 1900 1898 normal 3 36.2 35.3 0.9 71 58 1977 1932 1900 1898 normal 2019 4 41.9 39.8 2.1 98 31 1977 1932 1900 1898 top-third 5 47.5 44.7 2.8 119 10 1977 1932 1900 1901 top-tenth 1937,2002,2008,2012 6 52.1 49.0 3.1 124 5 1977 1932 1900 1901 top-tenth 2008 7 55.2 52.3 2.9 125 4 1977 1932 1900 1901 top-tenth 8 57.0 54.3 2.7 126 3 1977 1932 1900 1901 top-tenth 1950,2016,2020 9 57.6 54.9 2.7 124 5 1977 1932 1900 1901 top-tenth 10 56.9 54.5 2.4 123 6 1977 1932 1900 1901 top-tenth 11 55.1 53.3 1.8 111 18 1918 2017 1900 1901 top-third 12 53.0 51.6 1.4 105 24 1918 2017 1900 1901 top-third 1937,2016 18 52.0 50.7 1.3 106 22 1918 2017 1900 1901 top-third 1947,1949,1974,2005 24 52.5 51.6 0.9 102 26 1918 2013,2020 1900 1899 top-third 1899,1934,1955,2002,2005 36 52.4 51.6 0.8 96 31 1970 2021 1900 1899 top-third 1899,1947,2009 48 52.5 51.6 0.9 107 19 1964,1970,1982 2020 1900 1901 top-third 1923,1933,1952,1992,1993,2001,2003,2017 60 52.4 51.6 0.8 100 25 1981 2021 1900 1901 top-third 1936,1954,1992,1995,2010