Question

what is relative humidity? What does it indicate?

Answer 1

Relative Humidity is the amount of water vapour present in air expressed in the percentage of the amount needed for saturation at the same temperature.
It the amount much water vapour is in the air.
It is actually the ratio of the amount of water vapour the air can hold that the temperature.
This ratio is expressed as a percentage.

Answer 2

Answer and Explanation: Relative humidity indicates the amount much water vapor is in the air. ... The higher the temperature, the more water vapor the air can hold. Relative humidity is actually the ratio of the amount of water vapor in the air relative to the amount of water vapor the air can hold at that temperature.