With six weeks left, 2014 is on track to be the warmest year on record globally, continuing a long string of hotter-than-normal years attributed chiefly to climate change. But don't tell that to people in Casper, Wyo., where the temperature dipped to -25℉ on Nov. 12-shattering the city's all-time record low for the month. Or in Colorado Springs, where temperatures dropped almost 50° in five hours on Nov. 10. Winter may not officially begin until Dec. 21, but cold weather is already here for much of the U.S.
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