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That would be "dewpoint"...When the air temperature falls to the dewpoint (or dewpoint rises to the air temperature), then you have 100% relative humidity.
Yes.
50 percent
As the sun goes down, the temperature drops and the capacity to hold water vapor in the air decreases increasing the relative humidity above 0 percent
Altitude is the height above sea level
That would be "dewpoint"...When the air temperature falls to the dewpoint (or dewpoint rises to the air temperature), then you have 100% relative humidity.
The temperature and dewpoint of the air (degrees), eventually indicating the relative humidity (percent). Both are dimensionless numbers ... they have no units.
when the air becomes saturated with water vapor by the temperature of the air reaching the dewpoint.
Like in a Hygrometer to measure humidity you use percentage (%)
The heat index can be calculated when the air temperature is greater then 80F and the relative humidity is at least 40%.
Yes.
This is the measure of relative humidity. At 50 percent relative humidity, the air is holding half of what it could. It is relative humidity because it is related to the temperature and pressure of the air.
This is the measure of relative humidity. At 50 percent relative humidity, the air is holding half of what it could. It is relative humidity because it is related to the temperature and pressure of the air.
50 percent
As the sun goes down, the temperature drops and the capacity to hold water vapor in the air decreases increasing the relative humidity above 0 percent
It will be stiky and unconmfortable
This is the measure of relative humidity. At 50 percent relative humidity, the air is holding half of what it could. It is relative humidity because it is related to the temperature and pressure of the air.