Year,Depart From 1991-2020 Average,Contiguous U.S. (Lower 48),DewPt,Jul,(°F) 1940,16.686 1941,-14.156 1942,3.474 1943,14.431 1944,21.041 1945,1.736 1946,11.57 1947,27.617 1948,-0.549 1949,-0.571 1950,2.291 1951,3.686 1952,27.263 1953,6.253 1954,30.737 1955,-6.842 1956,32.914 1957,16.363 1958,4.261 1959,-0.956 1960,3.498 1961,-11.482 1962,3.655 1963,-6.282 1964,-12.712 1965,-1.059 1966,-13.87 1967,8.237 1968,-11.793 1969,-24.291 1970,-1.244 1971,16.786 1972,-1.921 1973,-10.929 1974,4.782 1975,-17.803 1976,-1.545 1977,-18.471 1978,-14.405 1979,-12.683 1980,-8.708 1981,-20.59 1982,-23.545 1983,-13.743 1984,9.789 1985,1.605 1986,-21.773 1987,-13.967 1988,-6.956 1989,-16.867 1990,-13.086 1991,-10.644 1992,-1.138 1993,-5.476 1994,11.399 1995,-8.556 1996,3.23 1997,-7.721 1998,-24.371 1999,-12.405 2000,18.778 2001,-7.566 2002,-20.61 2003,2.176 2004,-7.105 2005,7.551 2006,3.993 2007,10.731 2008,24.921 2009,37.335 2010,-9.741 2011,-3.661 2012,-2.02 2013,11.226 2014,27.615 2015,-16.164 2016,2.897 2017,-13.835 2018,-6.251 2019,-6.558 2020,1.972 2021,-16.886 2022,-9.161 2023,2.494 2024,-12.626 2025,-13.243