RELATIVE HUMIDITY PRACTICE



Go to the Water Vapor Capacity Table

The air temperature is 60F and it contains 2.9 grains of water vapor.

What is the absolute humidity?

What is the relative humidity?

What is the dew point temperature?


2.9 grains, 50.9%, 40F

This air cools to 50F.

What is the absolute humidity?

What is the relative humidity?

What is the dew point temperature?


2.9 grains, 70.7%, 40F

This air cools to 40F.

What is the absolute humidity?

What is the relative humidity?

What is the dew point temperature?


2.9 grains, 100%, 40

This air cools to 30F.

What is the absolute humidity?

What is the relative humidity?

What is the dew point temperature?


1.9 grains, 100%, 30

This air warms to 40F.

What is the absolute humidity?

What is the relative humidity?

What is the dew point temperature?


1.9 grains, 65.5%, 30

Return to the Atmospheric Moisture Lecture Notes