The constant movement of water from Earth's atmosphere and back to Earth's surface.
The gas form of water.
The process by which a liquid changes into a gas.
The process by which a gas changes into a liquid.
A stream of water that flows like a river through the ocean.
The condition of the atmosphere at a certain place and time.
A measurement of the amount of water vapor in the air.
Water that falls from the clouds.
The study of weather.
An instrument for measuring.
An instrument for measuring wind speed.
An instrument for measuring humidity.
A large body of air that has similar temperature and humidity throughout.
A place where two air masses meet.
The pattern of weather an area experiences over a long period of time.
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