Imperial, California short periods of time. The precipitation in the winter months is predominantly rain showers from the occasional winter storms. At times these storms bring cold temperatures to Imperial and surrounding cities, and mountain snowfall to the nearby mountains. Snow is almost totally unknown in the city, except for a powerful winter storm that covered the entire valley with 4 inches snow on December 12, 1934 and a very brief fall of sleet mixed with hail during a shower in December 1967. On average there are about 11 days that dip into the mid to lower 30s. In January, the normal
Types of snow Types of snow Types of snow can be designated by the shape of its flakes, description of how it is falling, and by how it collects on the ground. A blizzard and snow storm indicate heavy snowfalls over a large area, snow squalls give heavy snowfalls over narrow bands, while flurries are used for the lightest snowfall. Types which fall in the form of a ball, rather than a flake, are known as graupel, with sleet and snow grains as types of graupel. Once on the ground, snow can be categorized as powdery when fluffy, granular when it begins the