After years of listening to the lament "It isn't the heat, it's the humidity," the U.S. Weather Bureau has finally decided to warnor at least try to warnpeople when a particularly sticky day is in the offing. By the time next summer's heat and humidity come along, the forecaster will have a "discomfort index" that combines both the air's temperature and the amount of moisture in it. Under the formula, explains Climatologist Earl C. Thorn, a discomfort figure of 75 might mean 80° temperature and 60% relative humidity, or it could mean 85° temperature and 30% relative humidity, or 75° temperature,...
Science: Misery Begins at 70
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