Happy Birthday National Parks

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Happy Birthday National Parks

  • Published: Aug 28th, 2019

As we celebrate the 103rd birthday of the National Park Service, we examine the effect of climate change on our parks and update our earlier analysis of national park temperature trends.

Cold Nights on the Decline

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Cold Nights on the Decline

  • Published: Jan 21st, 2015

Take a look at how cold nights have been trending for various cities across the U.S.

Fall Temperature Trends

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Fall Temperature Trends

  • Published: Sep 4th, 2014

The big picture is clear: Overall, fall is warming across the U.S, 0.46F per decade since 1970.

Winter Precipitation Trends

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Winter Precipitation Trends

  • Published: Jan 7th, 2014

While every region of the country has seen a rise in winter temperatures since 1970, precipitation trends paint a more varied picture.

Winter Temperature Trends

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Winter Temperature Trends

  • Published: Jan 7th, 2014

Since 1970, winters in the continental U.S. have warmed by 0.61°F per decade on average.

Wild Winter Weather

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Wild Winter Weather

  • Published: Feb 2nd, 2011

Some wild winter weather has hit parts of Central and Eastern regions of the U.S. in the past few weeks. We take a look at some of the hardest-hit regions.

December’s Cold Snap

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December’s Cold Snap

  • Published: Dec 10th, 2010

December brought unexpectedly chill temperatures to parts of Europe and the North Eastern U.S. We round up the cold snap visually.

Boston: July Days Over 90 Degrees

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Boston: July Days Over 90 Degrees

  • Published: Aug 3rd, 2010

By mid-century in Boston, the sweltering heat of July 2010 may be thought of as cooler-than-average conditions, as more days above 90°F routinely occur.