Event	2006-2007	2007-2008	2008-2009	2009-2010	2010-2011	2011-2012	2012-2013
First Frost	-	Sep 15	Oct 3	Sep 30	Sep 27	Sep 15
First Freeze	-	Nov 7	Oct 29	Oct 10	Oct 22	Oct 28
First Flakes	-	Nov 8	Oct 26	Oct 10	Nov 4	Nov 9
First Measurable Snowfall	Nov 10	Nov 22	Nov 17	Dec 3	Nov 24	Nov 9
First 1" Snowfall	Nov 10	Nov 30	Nov 24	Dec 7	Dec 9	Nov 9
Snowfall by January 1st	5.6	24.8	40.3	19.1	15.5	3.5
Snowfall by March 1st	30.8	74.5	56.8	35.1	50.3
Season Total	44.9	79.4	66.6	39.9	67.5
Days With Measurable Snowfall	28	49	45	34	40
Deepest Depth	15	16	14	9	13
24 Hour Snowfall	7.0	7.1	6.6	8.7	8.1
Last 1" Snowfall	Apr 12	Mar 22	Mar 29	Apr 9	Apr 20
Last Measurable Snow Depth	Apr 12	Mar 23	Mar 29	Apr 8	Apr 21
Last Measurable Snowfall	Apr 12	Apr 12	Apr 21	Apr 9	Apr 20
Last Flakes	Apr 13	Apr 28	Apr 22	May 8	Apr 21
First Day of Winter	Jan 20	Dec 9	Dec 10	Dec 12	Dec 18
Last Day of Winter	Mar 22	Mar 29	Mar 20	Mar 16	Mar 22
Winter Duration Days	62	112	101	95	95
Average Snow Depth	4.5	6.6	6.4	4.8	6.5
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 Snow Depth represents the average snowdepth through the duration of Winter at OSNW3