Snowfall (as of Feb 24) Average Monthly Snowfall in Denali National Park Link Download Compare The end of February is fast approaching, and with it meteorological winter is coming to a close in the northern hemisphere. Keystone Edition. Overall, the snowpack across Alaska was above normal during the 2021-2022 snow season in terms of snow water equivalent (SWE) and snow depth. The NClimDiv database hosts multiple types of historical averages: 30-year averages starting from 1901, 1895-2010 average, and 20th century average, the latter is being used in this experience.