Multiple choice

What is the change in RH as the air temp and DP get closer to the same value?

  1. RH increases

  2. RH decreases

  3. RH stays the same

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Dewpoint is the temperature at which air becomes saturated with water vapor. As the actual air temperature cools down toward the dewpoint temperature, the relative humidity increases toward 100%.