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Late Season Heat

In a year that has experienced huge temperature swings, the roller coaster ride continues - featuring a surge in heat before another big cooldown. And while 90s this late in the season may be unusual, there is evidence that climate change is expanding the length of the warm season. In a 2011 study, scientists used vegetation to track the start and end of the growing season. They found that even with great yearly variability, the growing season is lasting an average of 6.5 days longer across the northern hemisphere. This is based on 26 years of data from 1982-2008.


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