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Precipitation is wet weather.  It's part of the water cycle.  There are 4 main types of precipitation, although you can also get a "wintery mix" of a couple types together.

All precipitation comes from clouds, and it's freezing way up there in the clouds, even in the summer time!  However the temperature near the ground can cause the freezing precipitation to melt, if it's warm enough.  Hail is able to form in the summer because the clouds are freezing, and wind can cause the precipitation to build up in the clouds so much that it doesn't have time to melt before it hits the ground.

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Here is what a large hailstone looks like!  They're not all that big.  But on this one you can see all the layers where it got wet, blown back up into the cloud where it was freezing, and that repeated over and over before falling to the ground. 

Have you ever seen hail before?  Answer in the comments below.   


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