How much snow has Marmot Basin gotten this season and over the last few ski seasons? Marmot Basin gets an average annual snowfall of 126" of snow per year and on average has 68 annual snowfall days. The current 10-year snowfall record is 22", the average snow depth at Marmot Basin is 13". Check out Marmot Basin historical snowfall using the grid below with average Marmot Basin snow stats that includes: Average Snowfall, Max Base Depth, Biggest Snowfall, Snowfall Days and Average Base Depth. Click on the Annual Tab to see every year since the 2013-2014 season.