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.

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.

Related posts:
– How much snow it typically takes to cancel school in the USA
– Daily US snow depth (1950 – 2015)
– Historical probability (%) of white Christmas
– Probability of Having a White Christmas in the U.S.
– Winter severity index & Average length of winter in days

Via climate.gov