Have you ever traveled to a different city with the same temperature as your initial place, but the new city feels significantly different in terms of temperature? That's because these places have ...

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 ...

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 ...

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.

Water vapour is fundamental to life on Earth. As well as being a greenhouse gas, water vapour is the basis for clouds and rain. Therefore, it sustains plants, forests and our ability to grow food. A ...