NY Times article on warm weather and/or dome teams playing in cold weather away games:
Link.
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Since 1998 and through Week 14, there have been 262 games in which a team that plays in a warmer climate or indoors has gone on the road to play a cold-weather team outdoors after Oct. 31.
In those games, including the playoffs, the cold-weather home teams won 67 percent of the time (174-87-1). That is significantly better than the standard N.F.L. home-field advantage, in which home teams win about 58 percent of the time. . .
This issue is even more severe for the six teams that play their home games indoors: Indianapolis, Detroit, Minnesota, St. Louis, New Orleans and Atlanta.
Since 2000, dome teams are 15-41 when the temperature at the start of the game is 50 degrees or lower, and 2-13 when the temperature is freezing or below.
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Just another reason I like the Bears -3, and the main reason I shouldn't have bet on Tampa this week.