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Relative Humidity. Chapter 5 lesson 6. Relative Humidity. The percentage of water vapor that is in air compared to the maximum amount the air can hold at a certain temperature. If the relative humidity is at 100%, it is saturated (should have precipitation)
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Relative Humidity Chapter 5 lesson 6
Relative Humidity • The percentage of water vapor that is in air compared to the maximum amount the air can hold at a certain temperature. • If the relative humidity is at 100%, it is saturated (should have precipitation) • Warm air can hold more vapor than cool air.
Measuring Relative Humidity • Use a psychrometer • It has a wet bulb and a dry bulb. • If relative humidity is high, than the water on wet bulb evaporates slowly. • The relative humidity can be found comparing the temperatures of the wet and dry bulbs.