The record low barometric pressure for Chicago is 28.70 mm Hg on March 12, 1923.
The past few days the barometric pressure has been a little over 29 mm Hg …
May 1, 2008 …
May 2, 2008 …
May 3, 2008 …
Studies show that low barometric pressure can be associated with joint pain. Perhaps it's associated with general malaise and short tempers as well. We'll check the research later … too cranky to check it right now.