We might find some associations between ski area orientation and season length.

New England Ski History appears to have collected opening and closing dates:

• https://www.newenglandskihistory.com/timeline/openingdates.php
• https://www.newenglandskihistory.com/timeline/closingdates.php

Global would of course be ideal, but we could probably get sufficient sample size for many analyses from a region like New England.

see also:

• Collect average annual snowfall metrics for all ski areas #9