Year,Depart From 1991-2020 Average,Contiguous U.S. (Lower 48),Temp,Jun,(°F)
1940,22.217
1941,36.797
1942,33.771
1943,4.969
1944,12.067
1945,50.251
1946,24.247
1947,63.092
1948,-10.13
1949,-9.655
1950,-5.741
1951,25.315
1952,-10.834
1953,-7.374
1954,-4.552
1955,32.546
1956,-9.384
1957,-3.437
1958,9.501
1959,-14.103
1960,-4.52
1961,13.851
1962,6.902
1963,-0.577
1964,-3.338
1965,25.647
1966,3.403
1967,23.293
1968,-2.707
1969,27.033
1970,0.273
1971,-12.067
1972,9.746
1973,-4.611
1974,17.852
1975,10.789
1976,15.585
1977,-7.407
1978,-20.233
1979,11.798
1980,-0.379
1981,-8.4
1982,41.518
1983,30.629
1984,2.637
1985,18.892
1986,-8.781
1987,-11.707
1988,-9.996
1989,12.823
1990,-22.662
1991,1.29
1992,35.806
1993,26.717
1994,-20.243
1995,31.471
1996,-15.579
1997,20.088
1998,28.181
1999,16.543
2000,9.264
2001,6.426
2002,-16.385
2003,32.944
2004,24.032
2005,1.625
2006,-16.863
2007,-14.874
2008,-6.139
2009,19.335
2010,-11.055
2011,2.669
2012,-11.579
2013,-21.106
2014,-11.454
2015,-16.906
2016,-22.448
2017,-15.687
2018,-21.82
2019,-13.653
2020,-20.6
2021,-21.613
2022,-21.097
2023,17.888
2024,-19.872
2025,-22.209