Map of average summer temperatures for USA states. List of average temperatures for each American state during summer, June, July and August. Plus ranking of states from hottest to coldest.
We have a new official climate normal—and its getting warmer
Tracking breaches of the 1.5⁰C global warming threshold
Climate of the United States - Wikipedia
Climate of New England - Wikipedia
Summer 2021 Climate Summary
Local Climate Data
Instrumental temperature record - Wikipedia
NOAA: Fourth warmest U.S. summer on record - Snow Magazine
August 2013 National Climate Report National Centers for Environmental Information (NCEI)
National Maps National Centers for Environmental Information (NCEI)