1901-2000 Degrees Fahrenheit 1 58.7 58.3 0.4 77 52 1951 1988 1920 1922 normal 1926,1934,1962 2 54.6 54.3 0.3 77 52 1907 1988 1920 1922 normal 1901,1973,1976 3 49.4 49.7 -0.3 50 79 1975 1988 1920 1922 normal 1963,1964,1996,2019,2020 4 44.0 44.7 -0.7 47 82 1899 1910 1922 1921 normal 1942,2022 5 38.0 40.0 -2.0 22 107 1899 2016 1922 1921 bottom-third 6 35.4 36.1 -0.7 46 83 1899 1992 1922 1921 normal 1942,1952 7 32.2 33.9 -1.7 25 103 1917 1992 1922 1921 bottom-third 1913 8 31.8 33.4 -1.6 27 101 1899 1992 1922 1921 bottom-third 1904 9 33.3 34.5 -1.2 31 97 1899 2016 1922 1921 bottom-third 1904,1928,2019 10 35.8 36.4 -0.6 45 83 1899 2016 1922 1921 normal 1957 11 38.6 38.9 -0.3 49 79 1917 2016 1922 1921 normal 1930 12 40.7 41.1 -0.4 46 82 1917 2016 1922 1921 normal 18 38.0 39.5 -1.5 17 111 1917 2016 1918 1922 bottom-third 1929 24 39.9 41.1 -1.2 17 110 1917 2016 1918 1922 bottom-third 36 40.9 41.1 -0.2 44 82 1899 2017 1922 1921 normal 1911,1956 48 40.3 41.1 -0.8 19 106 1899,1952 2007,2016,2018 1920 1922 bottom-third 1901,1904 60 40.7 41.1 -0.4 34 90 1917,1952 2016 1921 1922 bottom-third 1909,1911,1982,1997