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 ...

There are various ways to measure the amount of water vapor in the atmosphere. The amount of moisture a given parcel of air can hold is dependent on the ambient temperature. Higher temperatures mean ...

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.

Like lock and key, cooling and humidity come as a pair. Controlling the humidity of your racks is just as important as controlling the temperature. However, humidity is often the forgotten half of the ...

The Canton area should see a considerable drop in humidity Wednesday, as relative humidity percentages are expected to fall to the 50s. A high relative humidity percentage results in an increased heat ...