1991-2020 Degrees Fahrenheit 1 80.7 81.9 -1.2 63 59 1976 1998 1939 1927 normal 2 77.6 80.3 -2.7 11 111 1917 2010 1931 1939 bottom-tenth 1923 3 75.2 78.3 -3.1 6 115 1903 2015 1931 1939 bottom-tenth 1910 4 72.8 76.1 -3.3 4 116 1931 2020 1931 1939 bottom-tenth 1916 5 70.3 74.2 -3.9 5 114 1931 2020 1931 1939 bottom-tenth 6 67.9 72.5 -4.6 2 112 1958 2020 1940 1939 bottom-tenth 7 67.3 71.7 -4.4 2 108 1958 2020 1940 1939 bottom-tenth 8 67.1 71.6 -4.5 1 107 1940,1958 2020 1940 1939 lowest 1958 9 68.3 72.3 -4.0 3 105 1958 2020 1940 1939 bottom-tenth 10 69.6 73.2 -3.6 3 104 1958 2020 1940 1939 bottom-tenth 1969 11 70.6 74.1 -3.5 3 104 1958 2020 1940 1939 bottom-tenth 1969 12 71.5 74.8 -3.3 3 104 1958,1977 2020 1940 1939 bottom-tenth 18 71.7 74.0 -2.3 14 87 1969 2020 1911 1934 bottom-third 1903,1910,1959 24 72.5 74.7 -2.2 11 84 1978 2021 1911 1934 bottom-third 1910,1959,1961 36 -99 74.6 -99 -99 -99 1970 2022 normal 48 -99 74.5 -99 -99 -99 1970,1971 2021,2022 normal 60 -99 74.5 -99 -99 -99 1970 2022 normal