The Brief
LOS ANGELES - New data reveals that the fall season has warmed in nearly every county across the U.S. since 1970 – and where it has warmed the most.
Climate Central analyzed the last 55 years of fall temperature data in 243 U.S. cities.
Fall temperatures have increased nearly everywhere
By the numbers:
The data found that average fall temperatures have increased since 1970 in 237 (98%) of the 243 locations analyzed.
On average, cities that experienced an increase in temperatures have warmed by an average of 2.8°F. Since 1970, 103 (42%) of those locations have warmed by 3°F or more.
In addition, 238 (98%) of the locations analyzed have seen an increase in the annual number of days above their normal fall temperatures since 1970, and almost half of the cities analyzed (49%