It’s a T-shirt kind of day in Washington, DC: 85 degrees with 63 percent humidity. We all know those numbers mean hot, but what exactly does that humidity percentage tell us? And why should we care?

Surprisingly, yes, the condition is known as supersaturation. At any given temperature and air pressure, a specific maximum amount of water vapor in the air will produce a relative humidity (RH) of ...

We’re due hot and humid weather this week after the heavy rain and thunderstorms that much of the country is currently enjoying. Dan Suri, Met Office meteorologist, has said: ‘It’s going to get hot ...

A new probe capable of measuring relative humidity, dewpoint, absolute humidity, specific humidity, wet bulb temperature, and dry bulb temperature is available for the AdvancedSense HVAC/OH/FM/IAQ ...

Available for the handheld AdvancedSense™ HVAC/OH/FM/IAQ meters is the RH-AS2 probe. The probe is capable of measuring relative humidity, dewpoint, absolute humidity, specific humidity, wet bulb ...