When does the climate record say you can expect the season's first snow?

This map shows the historic date by which there’s a 50% chance of at least 0.1” of snow on the ground, based on each location’s snowfall history from 1981-2010.

When does the climate record say you can expect the season's first snow?
Colored dots indicate the date by which there’s a 50% chance at least 0.1” of snow will have accumulated, based on each location’s snowfall history from 1981-2010.


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Winter severity index & Average length of winter in days


Via climate.gov
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Alex E

“Maps are like campfires – everyone gathers around them, because they allow people to understand complex issues at a glance, and find agreement about how to help the land.”