Why is it that when it's raining, the relative humidity isn't 100%?

Moisture problems show up everywhere in HVAC systems. Knowing how humidity behaves in air can make troubleshooting ...

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 ...

Researchers analyzing 2.46 million ambulance dispatches across 13 Chinese cities found that humidity can intensify the health ...

A viewer asks, if it's raining outside, but the humidity gauge only reads 74%, shouldn't it be 100%? Ray Petelin has the ...