Grand Cherokee 4WD SRT-8 V8-6.1L VIN 3 (2006)
object. At sea level on a standard day, no storm, barometric pressure is approximately 29.92 in Hg. For every 100 feet of altitude, barometric pressure
drops 0.10 in. Hg. If a storm goes through, it can change barometric pressure from what should be present for that altitude. You should know what the
average pressure and corresponding barometric pressure is for your area.