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 ...

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.

It’s a hot summer day and you hear someone say, “The relative humidity is 80%!” They’re probably correct, but relative humidity is just not a good way to measure how muggy the air “feels” to our ...

Stepping outside and feeling the thick wall of humidity has been a constant occurrence through the beginning of summer. The region has already seen two heat waves, and with the heat has come the ...