relative humidity


Relative humiity is a term used to describe the amount of water vapor that exists in a gaseous mixture of air and water.

Trivia about relative humidity

  • It's the ratio of the amount of water vapor in the air to the amount the air can hold at that temperature
  • (Cheryl of the Clue Crew reports with a hygrometer.) Calculated from the difference between the wet & dry thermometers, a hygrometer measures this two-word weather term