|Scientists: Americans are becoming weather wimps|
|News - St Augustine Area & St Johns County|
WASHINGTON — We’ve become weather wimps.
As the world warms, the United States is getting fewer bitter cold spells like the one that gripped much of the nation this week. So when a deep freeze strikes, scientists say, it seems more unprecedented than it really is. An Associated Press analysis of the daily national winter temperature shows that cold extremes have happened about once every four years since 1900.
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