Editor’s note: The KOIN 6 Weather team is presenting weather and science lessons to help serve our teachers and students. Click here for more lessons. PORTLAND, Ore. (KOIN) – I would like to preface ...

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 ...

When referring to the mugginess of the air, meteorologists will point to dew point rather than relative humidity. Relative humidity is indeed a measure of how much moisture is in the air relative to ...

The concept of zero percent relative humidity — air completely devoid of water vapor — is intriguing, but given Earth’s climate and weather conditions, it’s an impossibility. Water vapor is always ...

why do meteorologists use dew point rather than relative humidity to describe the uncomfortableness or oppressiveness of an air mass? Dew point is the temperature at which the air becomes “saturated” ...

The concept of zero percent relative humidity — air devoid of water vapor — is intriguing, but given Earth’s climate and weather conditions, it’s impossible. Water vapor is always present in the air, ...

The short answer is both terms are different and describe different things about moisture in the air. The dew point is another temperature value. It is the temperature air needs to cool to become ...