1991-2020 Degrees Fahrenheit 1 34.7 34.3 0.4 55 30 1977 2023 1963 1953 normal 2 32.9 37.2 -4.3 22 63 1977 2016 1963 1962 bottom-third 1996 3 38.7 41.0 -2.3 33 52 1977 2016 1963 1960 normal 4 44.5 45.7 -1.2 48 37 1977 2016 1963 1960 normal 1942,1960,1986,1997 5 48.4 50.6 -2.2 28 56 1977 2016 1963 1962 bottom-third 1966,1996 6 52.5 55.1 -2.6 19 65 1977 2016 1963 1962 bottom-third 1956 7 56.0 58.5 -2.5 21 63 1977 2016 1963 1962 bottom-third 1951,1966,1987 8 57.9 60.3 -2.4 21 63 1977 2016 1963 1962 bottom-third 1966,1987,1988 9 58.2 60.6 -2.4 18 66 1977 2016 1963 1962 bottom-third 10 57.6 59.9 -2.3 20 64 1941 2016 1963 1962 bottom-third 1965,1978 11 56.2 58.4 -2.2 22 62 1941 2017 1963 1962 bottom-third 1946,1965 12 53.8 56.5 -2.7 14 70 1941 2017 1963 1962 bottom-third 1943,1944 18 52.6 56.0 -3.4 1 82 1964,1979 2017 1964 1963 lowest 1979 24 53.4 56.5 -3.1 3 80 1969 2017,2022 1942 1963 bottom-tenth 36 53.9 56.4 -2.5 10 72 1970 2023 1963 1962 bottom-third 1961 48 53.8 56.4 -2.6 4 77 1944 2023 1948 1963 bottom-tenth 1945,1946,1948,1966,1981,1982 60 54.2 56.3 -2.1 19 61 1945 2021,2023 1963 1962 bottom-third 1973,1979