I came across this article on a web board. Strippers by the Pool:Vegas casinos get sexierPhoenix, our adaptation level for heat is much higher than most. Its usually in the 70s in February/March, 80s in March/April, 90s in May, and then over 100 for three months straight. Its not that bad when you gradually work your way up to the one-teens. But when someone from Minnesota steps off the plane in mid-July to 115 degrees, its pretty unbearable because their adaptation level is much lower.