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Annual average snowfall for each state in the USA, with data for how many days it snows a year and the total amount of snowfall.
The tables below give annual averages for snowfall at the largest cities in the United States. The numbers are for the total amount of new snow and how many days it snows at least 0.1 inches (0.25 centimetres) during the year. Plus there's a summary of which city is usually the snowiest.
Median vs. Average. The average snowfall is measured by taking the averages of each region, adding them together, and dividing the sum by how many region averages were initially used. In general, this is a perfectly effective strategy for predicting snowfall in a state.
The list of snowiest places in the United States by state shows average annual snowfall totals for the period from mid-1985 to mid-2015. Only places in the official climate database of the National Weather Service, a service of NOAA, are included in this list.
The snowfall shown in this map is the annual average total for each station depicted. The averages were calculated between 1981 and 2010. The data comes from 6,377 stations in the U.S.A. The annual average is displayed in inches.
A map of average annual snowfall in the contiguous U.S. visually explained. Dark red zones on this map are where we want to be! The Dark Red Zones: Sierra Nevada Range, CA/NV; Teton Range, WY; Wasatch Range, UT; Front Range, CO; Cascade Range, OR & WA; Related: NOAA April 2021 Outlook: Warmer and Drier Than Normal For Majority of Country
The National Gridded Snowfall Analysis estimates snowfall in the recent past by gathering several operational data sets into a unified analysis. Snowfall observations are provided by numerous observing networks, including ASOS, COOP, CoCoRaHS, FAA, NWS spotters, and others.