It means how much water vapor is suspended in the air, or how humid it is.
Relative humidity
mt
temperature of the air barometric pressure water vapor content of the air
Relative humidity is a ratio of the actual water vapor content of the air to the amount of water vapor needed to reach saturation. Absolute humidity is the mass of water vapor contained in a given volume of air.
it vapor when the weather is wet and if your driving you can see it on your windshield
Its ratio of the air's water vapor content to its water vapor capacity :)
clouds
humidity
humidity
humidity
Relative humidity
mt
water vapor
it measures the water vapor content of air or the humidity.
The current water vapor content of the air (in question) AND the maximum amount of water vapor that it could carry.
temperature of the air barometric pressure water vapor content of the air
yes