1901-2000 Degrees Fahrenheit 1 69.8 69.3 0.5 77 53 1901 2015 1977 1975 normal 1920,1939 2 65.8 66.7 -0.9 34 96 1915 2015 1971 1977 bottom-third 1895,1902,1934,1958,1959,1968 3 61.1 64.2 -3.1 9 121 1915 2023 1958 1977 bottom-tenth 4 58.8 62.6 -3.8 6 124 1940 2023 1958 1977 bottom-tenth 5 58.6 61.8 -3.2 5 124 1931 2020 1958 1977 bottom-tenth 6 59.7 62.3 -2.6 8 121 1931 2023 1969 1977 bottom-tenth 7 61.1 63.7 -2.6 6 123 1931 2020 1977 1977 bottom-tenth 1977 8 63.5 65.6 -2.1 7 122 1931 2020 1977 1976 bottom-tenth 1969 9 65.5 67.3 -1.8 8 121 1931 2020 1977 1976 bottom-tenth 1918 10 67.1 68.7 -1.6 9 120 1931 2020 1977 1976 bottom-tenth 11 68.4 69.7 -1.3 11 118 1931 2020 1977 1976 bottom-tenth 1905,1924,1968 12 68.9 70.1 -1.2 13 116 1931 2020 1977 1976 bottom-tenth 1905 18 65.8 67.5 -1.7 3 125 1902 2017 1941 1977 bottom-tenth 24 68.5 70.1 -1.6 1 127 1915,1941,1978 2017,2020 1941 1977 lowest 1915,1941 36 69.1 70.1 -1.0 3 124 1942,1970 2021 1971 1977 bottom-tenth 1902,1916,1971 48 69.5 70.1 -0.6 13 113 1971 2020 1971 1977 bottom-tenth 1921,1979 60 69.9 70.1 -0.2 35 90 1905,1918,1970 2020 1973 1977 bottom-third 1907,1912,1928,1945,1965,1982