What does humidity mean in Taizhou weather forecast?

Humidity, a physical quantity indicating the dryness of the atmosphere. At a certain temperature, the less water vapor in a certain volume of air, the drier the air; The more water vapor, the wetter the air. The degree of dryness and wetness of air is called "humidity". In this sense, it is often expressed by physical quantities such as absolute humidity, relative humidity, relative humidity, mixing ratio, saturation deficit and dew point. If the weight of liquid water in wet steam accounts for the percentage of the total weight of steam, it is called the humidity of steam. You can refer to/view/286584.htm.