On Aug 9, 2004, at 12:59 PM, Sam Hotchkiss wrote: > The reason that I am suspecting altitude over just about anything is > the fact that it is the most unique factor-- there are many areas that > are extremely dry-- but very few cities in america over 6500ft in > elevation. In my limited testing, this is not an issue in Denver, > which is around 5000, but also very low humidity. It was not an issue for me when I lived in Colorado Springs, either, which is at an altitude of about 6010ft. 500ft could make quite a difference though... Benn