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What is humidity, and why can it make or break our summer days?

Whether a summer day is great or awful often comes down to the humidity.
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Dew point vs. humidity: What’s the difference and why does it matter in Tennessee

NASHVILLE, Tenn. (WSMV) - When summer arrives, meteorologists talk about both humidity and dew point. While the two are related, they are not the same thing. Relative humidity Relative humidity is a ...