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Summers Are Lengthening While Winters Shrink

Summers Are Lengthening While Winters Shrink

Summer-like days are lasting longer into the fall. Here's how that affects the other seasons.

Summer is Lasting Longer Across the U.S.

Summer is Lasting Longer Across the U.S.

The last summer-like day is happening later in the year for most U.S. cities.

More Hot Days Across the U.S.

More Hot Days Across the U.S.

See the trend in hot days in these U.S. cities.

A Decade of Coastal Flood Days

A Decade of Coastal Flood Days

Sea level rise is causing more coastal flooding in the U.S. See how many floods have a human fingerprint in these cities.

Fewer October Nights Below 40°F

Fewer October Nights Below 40°F

The decrease in cool nights is one feature of an overall fall warming trend.

Here’s How Hot Your Summer Has Been

Here’s How Hot Your Summer Has Been

Here's how hot this summer has been compared to the hottest and coolest summers on record in your city.

Hotter Years, More Fires

Hotter Years, More Fires

The average number of large wildfires burning across the Western U.S. each year has tripled from the 1970s to the 2010s.

100 Years of Warming at the National Parks

100 Years of Warming at the National Parks

Each of the National Parks faces unique challenges from climate change, including increased heat.