Epicenter of Humanity: 'Cold' weather starts

We touched on just about every topic I wanted to hit in anticipation of Sunday's epic NFC Championship Game matchup. (Catch up through this filter.) But Friday's weather snap was a nice reminder that January can get pretty frigid here in the Upper Midwest.

(For those who didn't leave the house Friday, it was 10 degrees in Chicago exactly 48 hours before kickoff. It was 3 degrees in Green Bay, minus-5 in Minneapolis and 14 degrees in Detroit.)

Sunday's forecast is calling for a relatively balmy game-time temperature in the low 20s. That shouldn't be anything new for either the Chicago Bears or Green Bay Packers. So how have their quarterbacks fared in such weather conditions? Allison Loucks of ESPN Stats & Information provided the information in the chart below based on starts in 30 degrees or colder: