Re the earth's warmth, water vapor condenses at the dew point[1], which, depending on the level of humidity, may only be a small temperature difference from amb

Re the earth's warmth, water vapor condenses at the dew point[1], which, depending on the level of humidity, may only be a small temperature difference from ambient. Here in Florida, with very high humidity, it's not uncommon to get condensation at room temperature on very hot days. If I turn my car A/C down to 60F when it's 85F and dark out, my windows will literally be dripping with water within minutes. [1] http://en.wikipedia.org/wiki/Dew_point http://en.wikipedia.org/wiki/Dew_point