Richard.Prosser@powerware.com wrote: > Which raises another question. > If you are standing in a strong wind, do local obstructions significantly > effect measureed air pressure.? I would think that there could be a > significant difference between the air pressure on the upwind side of a > wall to the downwind side for example. - Or even standing in a strong wind > may reduce the pressure slightly due to the moving air = less pressure > effect. > > RP Yes, winds will effect the measured pressure. When I was in the Air Force we has to "standardize" our aneriod barometer against the mercurial. If the wind speed variability was too great, we had to wait until the winds came down. Jim _______________________________________________ http://www.piclist.com View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist