Mike Moss: Relative humidity is not related to temperature and dew point in quite that direct a manner, although they certainly are interdependent quantities. There are some online calculators that ...

The short answer is both terms are different and describe different things about moisture in the air. The dew point is another temperature value. It is the temperature air needs to cool to become ...

Dew point/relative humidity questions come up fairly often and this is a good one. Water vapor in the atmosphere is pretty important for deep-sky observing and photography. The atmosphere can only ...

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 ...

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 ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. First, let’s define relative humidity.

Given the Earth’s present weather and climate, it is an impossibility. Some water vapor is always present in the air, even if only in trace amounts. Nearly all of the Earth’s surface passes water ...