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rain

File:Hard_rain_on_a_roof.jpg · Wikimedia Commons · See Wikimedia Commons

EntityQ7925· pop 262· linked from 2,356 articles

Also known as rainfall, 🌧,

thumb|upright=1.35|Heavy rainfall on a roof

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Rain is water that falls from clouds to Earth's surface as precipitation. It matters because it provides fresh water essential for drinking, agriculture, and ecosystems.

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Vihmavarjuga jalakäija Sossi mäel Tallinnas. 2016. aasta aprill..jpg
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Commons category
Rain
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Rain
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~45 min read

Article

37 sections
Contents
  • Formation
  • Water-saturated air
  • Coalescence and fragmentation
  • Droplet size distribution
  • Raindrop impacts
  • Virga
  • Causes
  • Frontal activity
  • Convection
  • Orographic effects
  • Within the tropics
  • Human influence
  • Characteristics
  • Patterns
  • Acidity
  • Köppen climate classification
  • Pollution and composition
  • Measurement
  • Gauges
  • Remote sensing
  • Intensity
  • Return period
  • Forecasting
  • Impact
  • Agricultural
  • Culture and religion
  • Global climatology
  • Deserts
  • Polar deserts
  • Rainforests
  • Monsoons
  • Impact of the Westerlies
  • Wettest known locations
  • See also
  • Notes
  • References
  • External links

thumb|upright=1.35|Heavy rainfall on a roof

Rain is a form of precipitation where water droplets that have condensed from atmospheric water vapor fall by gravity. Rain is a major component of the water cycle and is responsible for depositing most of the fresh water on the Earth. It provides water for hydroelectric power plants, crop irrigation, and suitable conditions for many types of ecosystems.

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