1901-2000 Degrees Fahrenheit 1 58.3 50.2 8.1 129 1 1907,1927 1934 1933 1934 highest 2 52.0 45.5 6.5 129 1 1975 1934 1933 1934 highest 3 45.7 40.1 5.6 128 2 1899 1910 1933 1910 top-tenth 4 41.6 35.4 6.2 127 3 1899 1992 1933 1934 top-tenth 5 38.7 31.7 7.0 128 2 1899 1992 1933 1934 top-tenth 6 35.7 29.9 5.8 126 3 1917 1992 1933 1934 top-tenth 2016 7 35.5 29.8 5.7 127 2 1899 1992 1933 1934 top-tenth 8 36.6 31.5 5.1 128 1 1899 1934,2000 1933 1934 highest 2000 9 38.5 34.0 4.5 127 2 1899 2016 1933 1934 top-tenth 1992 10 41.1 37.0 4.1 126 3 1917 1992,2016 1933 1934 top-tenth 2012 11 43.6 39.6 4.0 126 3 1917 1992,2016 1933 1934 top-tenth 12 45.3 41.1 4.2 127 2 1917 2016 1933 1934 top-tenth 18 39.6 37.4 2.2 113 15 1917 2016 1933 1934 top-third 2005 24 42.9 41.1 1.8 110 18 1917 2016 1933 1934 top-third 2001 36 42.4 41.1 1.3 99 28 1918 2017 1933 1934 top-third 1935 48 42.7 41.1 1.6 110 16 1899,1952 2016 1933 1934 top-third 1991,1993,2003,2019,2023 60 42.4 41.1 1.3 102 23 1952 2016 1933 1934 top-third 1941,2000