Over the last 50 years, the average date of the first freeze is 7 days later in the U.S. using station data. The average date of the last freeze is 7 days earlier (not shown). That means the growing season is two weeks longer! [replaces deleted tweet with typo]. pic.twitter.com/TiSO3BDpHe

— Brian Brettschneider (@Climatologist49) October 11, 2020