1901-2000 Degrees Fahrenheit 1 53.3 54.0 -0.7 41 88 1944,1976 2022 1993 2005 bottom-third 2010 2 56.9 55.0 1.9 105 24 1944 2022 2004 2005 top-third 1988 3 55.5 52.8 2.7 118 11 1944 2021 2005 2003 top-tenth 1896,1994,2014 4 52.6 49.8 2.8 120 9 1907 2021 2005 2003 top-tenth 5 49.2 46.4 2.8 123 6 1944 2021 2005 1994 top-tenth 1926,1994 6 45.1 43.3 1.8 104 25 1944 2017 2005 2004 top-third 1996 7 41.8 40.4 1.4 102 27 1933,1944 2017 2005 2005 top-third 1898,2005 8 39.6 37.7 1.9 107 22 1917 2015 2005 2004 top-third 2012 9 37.8 35.7 2.1 110 18 1917,1933 2015 2005 2004 top-third 1994,1997,2022 10 36.9 34.8 2.1 111 17 1917 2015 2005 2003 top-third 1926,1997 11 37.0 35.0 2.0 114 14 1917 2015 2005 2004 top-third 2004 12 37.5 35.9 1.6 108 20 1917 2015 2005 2005 top-third 1997,2005,2020 18 39.8 38.3 1.5 110 18 1949 2015 2001 2005 top-third 1986,1988,1995 24 37.5 35.9 1.6 114 13 1949 2016 2002 2005 top-tenth 1941,2001,2013 36 37.7 35.8 1.9 115 11 1950 2017 2003 2005 top-tenth 48 37.8 35.8 2.0 116 9 1950 2018 2005 2006 top-tenth 60 37.7 35.8 1.9 115 9 1917,1949,1950 2018 2005 2004 top-tenth 2004