I'm shocked. SHOCKED, I say!
What's interesting is that this article addresses what STL-natives have long said - other places may reach higher temperatures, but it's too humid in STL for sweating to do any good, so you just stay sweaty and heating up. THAT is why STL summers are so dangerous compared to other, hotter areas.
http://www.livescience.com/humanbiology/060621_sweaty_cities.html
Later.