So it’s apré-shred time and some snowboarders are relaxing around the lodge fire with their beers, and one of them says “Whoa, dude, that must’ve been like, a hundred feet I bonked that time,” and another says “No man, you got it wrong, it was maybe twenty feet,” and just then the snowboarder you know and love steps in and says “Actually dudes, it was sixty-eight feet and nine inches, and by the way the temperature was thirty-three degrees, and oh yeah—the barometer’s falling.” Only with an alti...more