Not only temperature, but also the degree of movement in the air is key to such "feeling good", Dave. Another thing you should check is the wind direction. Where you have winds coming from a dry environment down a mountain, you often develop air which is charged wrongly --- such as the Santa Anna winds in California. In those environments, folks don't feel right, are very edgy, and bad luck and destructive accidents seem to increase .... Be Blest, Ambrose -- IN HOC MODO MILLIS FRANGITVR .