The Birmingham News report that there is a reason it feels sticky inside Bryant-Denny Stadium on game day.

A study of the stadium's "microclimate" by a University of Alabama geography professor and student has found that in addition to being warmer inside than out, the humidity rises when people fill the seats.

Professor David Brommer, who's a climatologist, and New Orleans junior Barrett Gutter placed 24 sensors around the stadium to measure dew point and temperature at home games last season. They found, as expected, that the temperature inside the 92,000-seat facility typically was five or six degrees higher than it was outside as long as the stadium was in direct sunlight.