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Dark December: A nickname earned because December brings the least sunshine of any month. Hours of daylight are at an annual minimum and cloudiness is at an annual maximum in Chicago, across the Great Lakes Region and many other areas of the United States as well.
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Tom Skilling is chief meteorologist at WGN-TV. His forecasts can be seen Monday through Friday on WGN-TV News at noon and 9 p.m.
WGN-TV meteorologists Steve Kahn, Richard Koeneman and Paul Dailey plus weather producer Bill Snyder contribute to this page.
