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Rain is a form of precipitation, other forms of which include snow, sleet, hail, and dew. Rain forms when separate drops of water fall to the Earth's surface from clouds. Not all rain reaches the surface, however; some evaporates while falling through dry air. When none of it reaches the ground, it is called virga, a phenomenon often seen in hot, dry desert regions.

Rain in nature


Rain plays a major role in the hydrologic cycle in which moisture from the oceans evaporates, condenses into clouds, precipitates back to earth, and eventually returns to the ocean via streams and rivers to repeat the cycle again. There is also a small amount of water vapor that respires from plants and evaporates to join other water molecules in condensing into clouds.

The amount of rainfall is measured using a rain gauge. It is expressed as the depth of water that collects on a flat surface, and can be measured to the nearest 0.27 mm or 0.01 in. It is sometimes expressed in litres per square metre (1 liter/m² = 1 mm).

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Rainwater Harvesting :: Water Resources
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@FletchRussell Hey if you would have just kept quiet I wouldn't have even remembered. Rain on my parade? I can fly damn it!
jhummrich (Joe) Thu, 05 Nov 2009 17:16:32 -0000
@FletchRussell Hey if you would have just kept quiet I wouldn't have even remembered. Rain on my parade? I can fly damn it!
- * i'lL take waLkinq in the rain , oveR thinqs mateRiaL :how do yu feeL now ?? kuz yu haven't toLd mee ,, k A L L muahhh !diffeRent
joewifey_k13 (Julia Reid) Thu, 05 Nov 2009 17:16:32 -0000
- * i'lL take waLkinq in the rain , oveR thinqs mateRiaL :how do yu feeL now ?? kuz yu haven't toLd mee ,, k A L L muahhh !diffeRent
Wind 10,7 km/h SE. Barometer 1009,7 hPa, Falling. Temperature 29,8 °C. Rain today 0,0 mm. Humidity 42%
institutoclima (Instituto Est Meteor) Thu, 05 Nov 2009 17:16:31 -0000
Wind 10,7 km/h SE. Barometer 1009,7 hPa, Falling. Temperature 29,8 °C. Rain today 0,0 mm. Humidity 42%
@ItsGizz don't forget either... Don't treat me like a stranger and leave me standing in the rain cuz I will be forced to act hostile lol
BJAlexander15 (Brian Alexander) Thu, 05 Nov 2009 17:16:28 -0000
@ItsGizz don't forget either... Don't treat me like a stranger and leave me standing in the rain cuz I will be forced to act hostile lol
Rain ruins everything.
lucyingram (Lucy Ingram) Thu, 05 Nov 2009 17:16:19 -0000
Rain ruins everything.
Laptop fixed thankfully. Been christmas shopping online. Better than carrying loads of heavy bags in pouring rain.
Debjaykay (debra knott) Thu, 05 Nov 2009 17:16:17 -0000
Laptop fixed thankfully. Been christmas shopping online. Better than carrying loads of heavy bags in pouring rain.

 
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404 Applied Ecological Services: Rain Gardens - Guide to creating a garden and an article on the benefits. (PDF)

Brooklyn Botanic Garden: Rain Gardens - Guide to creating a garden with US region-specific plant lists.
Meta Description: [ Rain Gardens: Using Spectacular Wetland Plantings to Reduce Runoff ]

Clean Water Atlanta: Rain Gardens for Home Landscapes - Instructions on creating a garden and a native plant list for Georgia gardeners.

Dave Stack: Rain Gardens - Introductory guide, concerns, Minnesota native plant list, and links.
Meta Description: [ Rain Gardens : Gardening with water quality in mind"> ]

Maplewood: Rainwater Gardens - Includes garden types, plant lists for Minnesota, design and care guides, and local maps.
Meta Description: [ Official Website ]

Rain Gardens of West Michigan - Citizen-based environmental advocacy and education organization. Includes news, guides, garden plans, demonstration gardens, and rain barrel information.

State of Illinois: Rain Garden Initiative - Includes introduction, videos, native plant lists, and links.

UW-Madison Environmental Resources Center: Rain Gardens - Introductory and detailed manuals (PDF) for homeowners.
Meta Description: [ A guide to publications and educational materials developed by the Publications Unit at the UWEX Envrionmental Resources Center. ]

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Rain Choir - Perpetuum Jazzile is an a cappella jazz choir from Slovenia.
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