When the temperature in the atmosphere is not enough to melt the ice crystals in the sky, snowfall occurs.
Without precipitation, all the land on earth would be dry as the desert.
Most precipitation data sets may be categorized into one of three broad categories: gauge data sets e.
In fact, smaller raindrops ones that are approximately 1 millimeter 0.
Rain drops range in size from oblate, pancake-like shapes for larger drops, to small spheres for smaller drops.
There four main forms of precipitation called rain, snow, sleet and hail.