NORFOLK, Va. — Most summer days, you hear us talk about “humidity” when describing how the air feels. While many people are familiar with the term relative humidity — the percentage of water vapor in ...

Relative humidity measures how much moisture is in the air compared to how much it could hold at a given temperature. It is simply the dew point temperature divided by the air temperature, times 100.

South Carolinians are all too familiar with muggy summer days. Check your weather app of choice and you’ll notice humidity presented as a percentage: 68 percent humidity, 92 percent humidity, ...

New Zealand’s summer has been defined by repeated bursts of intense rain, as subtropical systems have swept down over the upper North Island and beyond. Floods, slips and storm damage – most recently ...

Is wet bulb temperature the same as dew point? Mike Moss: In a saturated air parcel (with relative humidity 100%) the wet bulb, dry bulb and dew point temperatures are all the same. In a drier parcel ...