Year,Depart From 1940-2024 Average,Contiguous U.S. (Lower 48),DewPt,Jun-Aug,(°F)
1940,-1.491
1941,0.255
1942,-0.89
1943,-1.403
1944,-1.959
1945,-1.166
1946,-2.674
1947,-1.177
1948,-1.324
1949,-0.527
1950,-2.326
1951,-1.748
1952,-1.841
1953,-1.837
1954,-2.637
1955,-1.215
1956,-3.434
1957,-1.228
1958,-1.414
1959,0.445
1960,-0.745
1961,0.265
1962,-1.09
1963,0.064
1964,-0.635
1965,-0.207
1966,-0.675
1967,0.192
1968,0.164
1969,0.375
1970,0.229
1971,0.091
1972,-0.063
1973,0.072
1974,-1.405
1975,0.49
1976,-1.079
1977,1.01
1978,-0.024
1979,-0.659
1980,-0.048
1981,1.375
1982,1.254
1983,1.881
1984,1.545
1985,-0.665
1986,1.452
1987,1.123
1988,0.289
1989,0.567
1990,0.689
1991,1.38
1992,-0.031
1993,0.873
1994,-0.044
1995,1.276
1996,0.762
1997,1.443
1998,2.072
1999,1.65
2000,0.289
2001,1.008
2002,0.691
2003,0.996
2004,-0.179
2005,0.684
2006,-0.111
2007,0.084
2008,-1.035
2009,-0.512
2010,1.751
2011,0.222
2012,-1.029
2013,0.363
2014,-0.12
2015,1.575
2016,0.802
2017,0.66
2018,1.295
2019,0.753
2020,-0.167
2021,1.886
2022,1.63
2023,1.249
2024,1.592