Friday, June 30, 2017

understanding relative humidity (link)

Humidity is the amount of moisture or water vapor present in the air. "Relative Humidity" is the ratio of water vapor present in a given volume of air at a given temperature to the most water vapor the air can hold, expressed as a percent. So 40% relative humidity means 40% saturation of the air.

Understanding Relative Humidity and the Hygrometer

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