1991-2020 Degrees Fahrenheit 1 67.5 70.0 -2.5 49 73 1931 2003 1983 1982 normal 2 66.3 68.5 -2.2 55 66 1958 2023 1983 1982 normal 1933 3 64.8 67.1 -2.3 44 72 1958 2023 1983 1982 normal 1973 4 65.0 67.2 -2.2 51 61 1958 2017 1981 1983 normal 1909 5 65.7 68.0 -2.3 45 65 1958 2023 1981 1983 normal 1927 6 67.8 69.6 -1.8 59 51 1958 2020 1981 1983 normal 1973 7 69.6 71.4 -1.8 58 51 1958 2020 1981 1983 normal 2009,2011 8 71.2 72.8 -1.6 59 50 1958 2020 1981 1983 normal 1912,1922 9 72.5 73.9 -1.4 62 47 1958 2020 1981 1983 normal 2009 10 73.3 74.7 -1.4 60 49 1958 2017,2020,2023 1981 1983 normal 11 73.6 75.1 -1.5 57 52 1958 2020 1981 1983 normal 12 73.4 75.0 -1.6 58 50 1904 2020,2023 1981 1983 normal 1950 18 71.6 73.1 -1.5 48 50 1941 2023 1982 1983 normal 24 73.6 74.9 -1.3 51 45 1941 2021 1982 1983 normal 1973,1974 36 73.9 74.8 -0.9 49 37 1941 2021,2022,2023 1983 1950 normal 48 73.5 74.8 -1.3 37 41 1911 2023 1981 1983 normal 1974 60 73.6 74.8 -1.2 35 38 1911 2023 1982 1983 normal 1975