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 ...

Are you wondering what the target indoor humidity should be in winter?By comparing figures from official sources, a range of ...

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 ...

Imagine you’re sitting among friends on the porch with a big pitcher of ice cold lemonade. The heat is searing and the air is still and stifling. It’s almost hard to breathe. You look to your friends ...

A few times of year in the UK, we get a solid patch of high temperatures, leading to hundreds of headlines about the heatwave, with copy full of the usual cliches (‘mercury rising’, and so on). And, ...