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Spring Temperature Trends
Spring has been getting steadily warmer almost everywhere. Nationwide, temperatures have climbed an average of 1.9°F since 1970 (0.42°F per decade).
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Spring Precipitation Trends
Average precipitation during meteorological spring hasn't changed much since 1970. But regional patterns tell a different story.
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Record Temperatures, Winter 2014/2015
Record highs across the U.S. this winter have markedly beat the number of record lows by a margin of 3 to 2.
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Coldest Days of Winter
See when winter brings the coldest day of the year for different parts of the U.S.
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Winter Temperature Trends
Take a look at how winters have been warming across the continental U.S. from 1970 to 2013.
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Winter Precipitation Trends
A graphical look at how winter precipitation has been trending across the U.S. from 1970 to 2013.
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Frost Free Season is Getting Longer
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.
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Fall Temperature Trends
The big picture is clear: Overall, fall is warming across the U.S, 0.46F per decade since 1970.
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