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 ...

MIKE MOSS SAYS: Myra, There are different ways to represent humidity, such as absolute humidity, specific humidity, relative humidity, and using the dew point as an indicator of absolute humidity. Of ...

You may have heard of dehumidifiers, which are machines that help reduce the humidity in your home, but what is relative humidity? And why does it matter for you? There are some confusing terms that ...

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 ...

The typical isohydric plant response to low relative humidity involves stomatal closure, followed by long-term responses like adjustment of shoot-to-root ratios. Little information is available on the ...

Some sensors output a processed analog signal that is linear with respect to the physical quantity being measured. Some perform quantization as well and provide a digital output. Though it is easy to ...

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 ...