| Event | 2006-2007 | 2007-2008 | 2008-2009 | 2009-2010 | 2010-2011 | 2011-2012 | 2012-2013 |
| First Frost | - | Sep 15 | Oct 3 | Sep 30 | |||
| First Freeze | - | Nov 7 | Oct 29 | Oct 10 | |||
| First Flakes | - | Nov 8 | Oct 26 | Oct 10 | |||
| First Measurable Snowfall | Nov 10 | Nov 22 | Nov 17 | Dec 3 | |||
| First 1" Snowfall | Nov 10 | Nov 30 | Nov 24 | Dec 7 | |||
| Snowfall by January 1st | 5.6 | 24.8 | 40.3 | 19.1 | |||
| Snowfall by March 1st | 30.8 | 74.5 | 56.8 | 35.1 | |||
| Season Total | 44.9 | 79.4 | 66.6 | ||||
| Days With Measurable Snowfall | 28 | 49 | 45 | ||||
| *Average Depth | 4.5 | 6.6 | 6.4 | ||||
| Deepest Depth | 15 | 16 | 14 | ||||
| 24 Hour Snowfall | 7.0 | 7.1 | 6.6 | ||||
| Last 1" Snowfall | Apr 12 | Mar 22 | Mar 29 | ||||
| Last Measurable Snow Depth | Apr 12 | Mar 23 | Mar 29 | ||||
| Last Measurable Snowfall | Apr 12 | Apr 12 | Apr 21 | ||||
| Last Flakes | Apr 13 | Apr 28 | Apr 22 | ||||
| First Day of Winter | Jan 20 | Dec 9 | Dec 10 | Dec 12 | |||
| Last Day of Winter | Mar 22 | Mar 29 | Mar 20 | ||||
| Winter Duration Days | 62 | 112 | 101 | ||||
| First Frost represents the first sign of frost at OSNW3 | |||||||
| First Freeze represents the first time the temperature drops below 32°F at OSNW3 | |||||||
| First/Last Flakes represents the first/last flakes of the season seen at OSNW3 | |||||||
| First/Last Measurable Snow represents the first/last 0.1" or greater snowfall at OSNW3 | |||||||
| First/Last 1" Snow represents the first/last 1" or greater snowfall at OSNW3 | |||||||
| Last Measurable Snow Depth represents the last 1" or greater snowdepth at OSNW3 | |||||||
| First Day of Winter represents a daily max temp below 32°F and a snow depth greater than 1" for several consecutive days at OSNW3 | |||||||
| Last Day of Winter represents a daily max temp above 32°F and a snow depth less than 1" for several consecutive days at OSNW3 | |||||||
| *Average Depth represents the average snowdepth through the duration of Winter at OSNW3 | |||||||