The big picture is clear: Overall, fall is warming across the U.S, 0.46F per decade since 1970.
Fall precipitation has changed since the early 1970s, but unlike fall temperatures, the changes form more of a patchwork story.
The hottest time of year in the continental U.S. statistically comes in mid-July, but the timing of peak heat varies across different parts of the country.
For most of the nation, summer weather has been changing in ways climate scientists say are consistent with what they’d expect in a warming world.
When it comes to summertime precip., the wet are getting wetter and the dry are getting drier.
Heavy downpours have increased in every region of the contiguous states since 1950.
A look at how U.S. temperatures are projected to change, according to the Third National Climate Assessment released May 6, 2014.
Nationwide, spring has been getting warmer at a rate of 0.45°F per decade since 1970.