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Seasonal Warming Trends

Seasonal Warming Trends

Global warming does not happen uniformly across every region, nor across every season.

Fall Temperature Trends

Fall Temperature Trends

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

Winter Precipitation Trends

Winter Precipitation Trends

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

Winter Temperature Trends

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

Early vs. Late Snowmelt

Early vs. Late Snowmelt

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

Tripod Fire Satellite View

Tripod Fire Satellite View

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