Snow day (meteorology)
Encyclopedia
In meteorology, a snow day is a day on which fall of snow
Snow
Snow is a form of precipitation within the Earth's atmosphere in the form of crystalline water ice, consisting of a multitude of snowflakes that fall from clouds. Since snow is composed of small ice particles, it is a granular material. It has an open and therefore soft structure, unless packed by...

 is observed. A meteorological day
Meteorological day
A meteorological day refers to the 24-hour period in which all observations for the corresponding day occur. It often refers to the 08.00-08.00 time span...

is considered on a different basis from country to country. Most frequently, it refers to the 08.00-08.00 time span (summer time: 09.00-09.00).
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