Winter Graphs The winter season of 2009-10 recieved 52.3 inches of snow (-31.2 inches) between October 01, 2009, to April 30, 2010. This total was significantly less than the previous two winter seasons. The following four graphs illustrate this information and correspond with a review for the winter of 2009-10, which can be read under the Snow Zone section of this website. Graph #1: Observed snowfall accumulation during the winter season of 2009-10 with comparison to average. Graph #2: Observed snowfall accumulation during the winter seasons of 2009-10, 2008-09, and 2007-08, with comparison to average. Graph #3: Observed snowfall accumulation during the months of October to April for the previous three winter seasons. Graph #4: Illustrates the snow depth for the most recent winter season of 2009-10, as well as 2008-09 and 2007-08. Return to Snow Zone.