The ratio of the amount of water vapor in the air at a specific temperature to the maximum amount that the air could hold at that temperature, expressed as a percentage.
The amount of moisture in the air as compared with the maximum amount that the air could contain at the same temperature, expressed as a percentage.
The ratio of the actual amount of water vapor present in a volume of air at a given temperature to the maximum amount that the air could hold at that temperature, expressed as a percentage. Warm air can hold more water vapor than cool air, so a particular amount of water vapor will yield a lower relative humidity in warm air than it does in cool air.
The ratio of the actual amount of water vapor (absolute humidity) present in the air to the saturation point at the same temperature, usually expressed as a percentage.
Other Word Forms
Relative-humidity Sentence Examples
Observations on the Sonnblick agree with those at low-level stations in showing a diminution of dissipation with increase of relative humidity.
At Karasjok, Simpson found a slight decrease in I_ as relative humidity increased, but no certain change in I +.
Only a fourth to a half of the days of the different months are wholly or partly clear even in the north, and in the same district the monthly means of relative humidity vary from 65 to 70.
The relative humidity of the air along the shores of the Gulf is high, so that exposure to the direct and reflected rays of the sun and radiation from the hot soil are encountered in a moist atmosphere.
The mean relative humidity is between 75 and 80 for all seasons save spring, when it is least and may be from 65 upward.