1901-2000 Degrees Fahrenheit 1 77.7 71.9 5.8 128 1 1976 1933 1932 1933 highest 2 71.1 68.2 2.9 124 5 1997 1896 1932 1927 top-tenth 3 66.6 64.5 2.1 113 16 1971 1908 1932 1929 top-third 1911,1925,1967 4 62.9 61.0 1.9 109 20 1960,1971 1927 1932 1932 top-third 1932,1944 5 61.1 58.3 2.8 121 8 1978 2017 1932 1927 top-tenth 1945,1957 6 59.7 56.7 3.0 120 8 1978 2017 1931 1932 top-tenth 1922 7 58.4 56.5 1.9 110 18 1977 2017 1931 1932 top-third 1909 8 59.0 57.6 1.4 103 25 1977 2017 1931 1932 top-third 1929,1939,1945,2018 9 60.9 59.6 1.3 103 25 1977 1932,2017 1931 1932 top-third 1945 10 62.8 61.6 1.2 100 28 1977 2017 1931 1932 top-third 1945,1949 11 64.7 63.3 1.4 105 23 1977 2017 1931 1932 top-third 1934,1952 12 66.0 64.6 1.4 108 20 1977 2017 1931 1932 top-third 1991 18 64.1 61.9 2.2 122 5 1977 2017 1932 1922 top-tenth 24 66.9 64.6 2.3 124 3 1978 2017 1932 1933 top-tenth 36 65.8 64.6 1.2 115 11 1970 2021 1932 1927 top-tenth 1935,1950 48 65.5 64.6 0.9 111 14 1971 2020 1932 1930 top-third 1929,1930,1936,2017 60 65.5 64.6 0.9 110 14 1971 2020,2021 1932 1929 top-third 1927,1938,2018