Each state receives a conventional letter grade to illustrate its climate change preparedness overall and for five specific hazards: heat, drought, wildfires, inland & coastal flooding.
17 state capitals had one of their 5 hottest Septembers on record.
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.
Follow the ups and downs in summer precipitation trends in different locations across the country.
The average number of tornadoes in each state between 2005 and 2014.
A state-by-state look at how spring is coming earlier, on average, in a warming world.
Spring has been getting steadily warmer almost everywhere. Nationwide, temperatures have climbed an average of 1.9°F since 1970 (0.42°F per decade).
Average precipitation during meteorological spring hasn't changed much since 1970. But regional patterns tell a different story.