;) I doubt it's a difference in chemistry or physics. Ambient temps play a large role, so the Gulf Stream's and elevation's influence does as well (dry adiabati

;) I doubt it's a difference in chemistry or physics. Ambient temps play a large role, so the Gulf Stream's and elevation's influence does as well (dry adiabatic lapse rate is 5.5°F per 1000 ft or 9.8°C per km).