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 ...

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 ...

This is an archived article and the information in the article may be outdated.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. Popular usage of “humidity” refers to a ...

This is an archived article and the information in the article may be outdated.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. YOUNGSTOWN, Ohio (WKBN) – There might not be ...

Dew point is the temperature at which the air becomes “saturated” – in other words, it is holding all the water vapor it possibly can. If the temperature and the dew point equal each other, the water ...

YOUNGSTOWN, Ohio (WKBN) – There might not be a more misunderstood phrase in meteorology than “relative humidity.” Every summer when humidity returns, this phrase echoes across the United States: “It ...

Industry leaders realized hundreds of years ago that their processes and machines operate best when the indoor relative humidity is maintained at an optimum level for their process. They found it was ...

FIGURE 1. Relative indoor humidity (violet) and absolute exterior humidity (orange) displayed over 26 months. For the majority of winter months, rh ranged between 35 and 60 percent. December 10, 2018 ...