1901-2000 Degrees Fahrenheit 1 28.2 27.8 0.4 58 71 1983 2021 1932 1933 normal 1930 2 34.4 32.0 2.4 107 22 1898 1913,1931 1932 1933 top-third 1906,2006 3 40.1 37.6 2.5 115 14 1976 1931 1933 1933 top-third 1933,2001 4 44.6 43.3 1.3 102 27 1976 1931 1932 1933 top-third 1915,1977 5 50.3 48.3 2.0 120 9 1976 1931 1932 1933 top-tenth 1900,1936,1946,1947 6 54.1 51.9 2.2 121 8 1976 1931 1932 1933 top-tenth 1941 7 56.2 53.8 2.4 124 5 1976 1931,1998 1933 1931 top-tenth 8 56.3 54.1 2.2 125 4 1976 1998 1932 1933 top-tenth 2015,2016 9 55.5 53.3 2.2 126 3 1976 1998 1933 1934 top-tenth 10 53.3 51.7 1.6 117 12 1917,1976 2012 1932 1933 top-tenth 1954 11 51.1 49.6 1.5 115 14 1917 1998,2012 1933 1931 top-third 1941,2001 12 49.3 47.6 1.7 118 11 1917 1998 1932 1933 top-tenth 1954,1986 18 51.0 49.0 2.0 123 5 1917 2016 1933 1934 top-tenth 1998 24 49.4 47.6 1.8 124 4 1917 2017 1933 1934 top-tenth 2012 36 48.8 47.6 1.2 117 10 1905,1917,1918 2017 1932 1933 top-tenth 1923,2001 48 49.0 47.5 1.5 123 3 1898,1906,1979 2001,2018 1933 1934 top-tenth 2019 60 48.7 47.5 1.2 119 6 1899 2019 1933 1934 top-tenth 1937,1938,2007,2018,2021