1991-2020 Degrees Fahrenheit 1 69.1 70.0 -0.9 69 53 1931 2003 1960 1953 normal 2 66.8 68.5 -1.7 68 53 1958 2023 1960 1959 normal 1911,1986,2009 3 64.0 67.1 -3.1 36 80 1958 2023 1960 1959 bottom-third 1963 4 62.8 67.2 -4.4 22 90 1958 2017 1960 1959 bottom-third 5 64.6 68.0 -3.4 29 81 1958 2023 1960 1959 bottom-third 1944 6 66.7 69.6 -2.9 30 80 1958 2020 1960 1959 bottom-third 1909,1953,2010 7 68.6 71.4 -2.8 31 78 1958 2020 1960 1959 bottom-third 1943 8 70.2 72.8 -2.6 32 77 1958 2020 1960 1959 bottom-third 1921 9 71.5 73.9 -2.4 35 74 1958 2020 1960 1959 bottom-third 10 72.3 74.7 -2.4 34 75 1958 2017,2020,2023 1960 1959 bottom-third 1917,1927,1934,1939 11 72.5 75.1 -2.6 29 80 1958 2020 1960 1959 bottom-third 1927,1930,1945,1968,1981 12 72.4 75.0 -2.6 28 80 1904 2020,2023 1960 1959 bottom-third 1917,1927,1968 18 70.1 73.1 -3.0 17 81 1941 2023 1959 1960 bottom-third 1925,1951 24 72.2 74.9 -2.7 19 77 1941 2021 1959 1960 bottom-third 1912 36 72.4 74.8 -2.4 22 64 1941 2021,2022,2023 1960 1954 bottom-third 1924,1962,1963,1965,1966 48 72.0 74.8 -2.8 2 76 1911 2023 1927 1956 bottom-tenth 1927 60 -99 74.8 -99 -99 -99 1911 2023 normal