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.

Early vs. Late Snowmelt

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Early vs. Late Snowmelt

  • Published: Sep 2nd, 2009

Satellite-derived images comparing the first full week of April in years with early (2002) vs. late (2008) snowmelt.

Acres Burned in Washington

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Acres Burned in Washington

  • Published: Sep 2nd, 2009

Wildfires in Washington State have increased significantly in recent years, a shift that appears linked to climate change.

Tripod Fire Satellite View

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Tripod Fire Satellite View

  • Published: Sep 2nd, 2009

The August 2006 Tripod Complex Fire burned some 180,000 acres of beetle-damaged forest in central Washington State.