NORFOLK, Va. — Most summer days, you hear us talk about “humidity” when describing how the air feels. While many people are familiar with the term relative humidity — the percentage of water vapor in ...

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 ...

I know in Houston, we hear the term humidity which is used to correlate to how muggy it may feel outside. But what actually is humidity and what does it represent? Humidity is the measurement of water ...