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