PITTSBURGH (KDKA) — Oftentimes in weathercasts, you'll hear KDKA-TV's First Alert meteorologists mention the relative ...
The dew point is the temperature the air needs to be cooled to in order to achieve a relative humidity (RH) of 100%. The higher the dew point rises, the greater the amount of moisture in the air.
By Karen Wheeler, Slice of Life  It never would have happened if not for the weather. Days and days of heat and its nefarious twin, humidity, wilting me into a miserable blob of wretchedness.
With the Sligh equilibrium air-distillation apparatus, dew-point data for 21 diverse gasolines were obtained. These covered mixtures of air and fuel from 8-1 to 20-1, by extrapolation of the ...