The most common form of precipitation; see there.
In meteorology, a common term for water that either falls to the earth in liquid form from rain or thunderstorms and/or in solid form from hail, sleet, drizzle or snow from clouds, or is deposited as surface precipitation directly on objects such as the earth's surface through condensation (as with dew) or resublimation, i.e. the immediate transition of a substance from a gaseous to a solid state (as with frost). The amount of precipitation required in viticulture also depends on the respective soil conditions, such as water drainage and water storage capacity.

1 = thunderstorm, 2 = rain, 3 = hail (larger than 0.5 cm) sleet (smaller than 0.5 cm), 4 = sleet (smaller than 1 mm)
The annual lower limit is at least 200 mm of precipitation, for quality viticulture an average of 500 mm is required, in warmer climates with high evaporation 750 mm. With appropriate soil conditions, rainfall of more than 1,500 mm can be tolerated within a short period of time, especially in hot...
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Technischer Lehrer, staatl. geprüfter Sommelier, Hotelfachschule Heidelberg