[[1]] is any form of water that falls from the atmosphere and reaches the Earth's surface.

Precipitation is any form of water that falls from the atmosphere and reaches the Earth's surface. It can occur in various forms, including rain, snow, sleet, and hail, and is a vital component of the Earth's water cycle. 

Precipitation forms when water vapor in the atmosphere condenses into tiny droplets or ice crystals, which combine to form clouds. 

When the clouds become too heavy, the droplets or crystals fall to the Earth's surface due to gravity, resulting in precipitation. 

The amount, intensity, and frequency of precipitation can vary widely depending on factors such as geography, temperature, humidity, and atmospheric pressure. 

Precipitation is essential for the growth and survival of plants and animals and helps to replenish the Earth's water resources.