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Weight of the atmosphere: At sea level, the atmosphere pushes on the surface with a pressure of 14.7 pounds per square inch, or about 2100 pounds per square foot. The atmosphere’s total weight is about 5.75 quadrillion (5,750,000,000,000,000) tons.
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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.
