Winter Precipitation Trends

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Winter Precipitation Trends

  • Published: Dec 3rd, 2014

A graphical look at how winter precipitation has been trending across the U.S. from 1970 to 2013.

Frost Free Season is Getting Longer

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Frost Free Season is Getting Longer

  • Published: Oct 16th, 2014

All regions of the continental U.S. have seen the frost-free season, defined as the stretch between the last below-32°F reading in the spring and the first in the fall, grow longer.

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.

Fall Precipitation Trends

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Fall Precipitation Trends

  • Published: Sep 4th, 2014

Fall precipitation has changed since the early 1970s, but unlike fall temperatures, the changes form more of a patchwork story.

Hottest Days of Summer

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Hottest Days of Summer

  • Published: Jul 30th, 2014

The hottest time of year in the continental U.S. statistically comes in mid-July, but the timing of peak heat varies across different parts of the country.

Summer Precipitation Trends

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Summer Precipitation Trends

  • Published: May 28th, 2014

When it comes to summertime precip., the wet are getting wetter and the dry are getting drier.

Changing Rainfall Patterns in the U.S.

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Changing Rainfall Patterns in the U.S.

  • Published: May 8th, 2014

Since 1900, the average annual precipitation is up 5 percent for the continental U.S.

Extreme Precipitation Events are on the Rise

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Extreme Precipitation Events are on the Rise

  • Published: May 6th, 2014

Heavy downpours have increased in every region of the contiguous states since 1950.