How much snow has Cooper gotten this season and over the last few ski seasons? Cooper gets an average annual snowfall of 193" of snow per year and on average has 60 annual snowfall days. The current 10-year snowfall record is 20", the average snow depth at Cooper is 40". Check out Cooper historical snowfall using the grid below with average Cooper 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.