Check out this USA Today article where the reporter is standing next to a thermometer reading 80 degrees when the air temperature is really in the 20's!
http://usatoday30.usatoday.com/weather/ ... ture_x.htm
Imagine if it added over 50 degrees to a desert traveler when it's over 100 degrees outside in the shade... Who knows, it just might. I swear I've been in a Costco parking lot in the summer and it had to be close to 150!
z