How much snow has Blue Knob gotten this season and over the last few ski seasons? Blue Knob gets an average annual snowfall of 73" of snow per year and on average has 22 annual snowfall days. The current 10-year snowfall record is 28", the average snow depth at Blue Knob is 13". Check out Blue Knob historical snowfall using the grid below with average Blue Knob 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.