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Summers Are Lengthening While Winters Shrink

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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.

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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 Downpours in the U.S.

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More Downpours in the U.S.

The number of days with more than 3+ inches of rain is increasing in the U.S.

Climate Extremes Index

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Climate Extremes Index

Extreme weather is happening more often in a warming world, especially in the past few years.

Warmer Air Means More Evaporation and Precipitation

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Warmer Air Means More Evaporation and Precipitation

Higher temperatures from climate change mean more evaporation, which means more rain.

Hurricanes and Climate Change: What We Know

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Hurricanes and Climate Change: What We Know

Climate change affects hurricanes by energizing them in a few important ways.

These Major Weather Events Defined Summer 2017

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These Major Weather Events Defined Summer 2017

While Harvey was the most damaging weather event this summer, there were other extremes in the U.S.

2017 Summer Review

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2017 Summer Review

See how the summer temperatures and rainfall compared to normal this year in these cities.