| Probability of First Snowflakes (Trace or More) (based on 1900 to 2010 measurements) |
||
| 10% Chance | 50% Chance | 90% Chance |
| September 28 | October 23 | November 15 |
| Probability of First Snowfall (1 inch or More) (based on 1900 to 2010 measurements) |
||
| 10% Chance | 50% Chance | 90% Chance |
| October 19 | November 17 | December 19 |
| Last 10 Years of First Snow | ||||
| Year | Trace or More | 1 Inch or More | ||
| 2006 | T | October 11 | 1.0" | November 28 |
| 2007 | 0.6" | November 21 | 3.1" | December 8 |
| 2008 | T | October 13 | 1.1" | October 23 |
| 2009 | T | October 8 | 2.0" | October 9 |
| 2010 | T | November 11 | 2.3" | December 30 |
| 2011 | 0.5" | November 2 | 1.0" | November 16 |
| 2012 | T | October 5 | 2.9" | December 19 |
| 2013 | 2.2" | November 5 | 2.2" | November 5 |
| 2014 | T | September 11 | 2.3" | December 15 |
| 2015 | 1.7" | November 11 | 1.7" | November 11 |
| 2016 | T | October 6 | ? | ? |
| Earliest Recorded Snowfall (based on 1900 to 2015 measurements) |
|||
| Trace or More | 1 Inch or More | ||
| Date | Amount | Date | Amount |
| Trace | *September 11, 2014* | 2.4" | September 24, 2000 |
| Trace | September 12, 1989 | 1.0" | September 28, 1945 |
| Trace | September 13, 1993 | 3.0" | September 28, 1985 |
| Latest Recorded Snowfall (based on 1900 to 2015 measurements) |
|||
| Trace or More | 1 Inch or More | ||
| Date | Amount | Date | Amount |
| Trace | December 7, 1901 | 1.0" | February 19, 1914 |
| Trace | December 3, 1903 | 1.0" | February 10, 1904 |
| 9.9" | November 28, 2004 | 1.9" | January 19, 1990 |
| Probability of First Snowflakes (Trace or More) (based on 1900 to 2010 measurements) |
||
| 10% Chance | 50% Chance | 90% Chance |
| September 25 | October 18 | November 10 |
| Probability of First Snowfall (1 inch or More) (based on 1900 to 2010 measurements) |
||
| 10% Chance | 50% Chance | 90% Chance |
| October 12 | November 11 | December 23 |
| Last 10 Years of First Snow | ||||
| Year | Trace or More | 1 Inch or More | ||
| 2005 | T | October 6 | 1.5" | November 28 |
| 2006 | T | October 11 | 1.0" | October 18 |
| 2007 | T | November 20 | 1.0" | December 9 |
| 2008 | T | October 22 | 2.2" | November 6 |
| 2009 | T | October 8 | 1.7" | October 11 |
| 2010 | T | October 27 | 5.3" | December 31 |
| 2011 | 1.3" | November 1 | 1.3" | November 1 |
| 2012 | T | October 4 | 2.5" | October 24 |
| 2013 | T | October 4 | 1.0" | October 5 |
| 2014 | T | November 11 | 6.4" | November 15 |
| 2015 | T | November 17 | 2.8" | November 20 |
| 2016 | 3.0" | October 6 | 3.0" | October 6 |
| Earliest Recorded Snowfall (based on 1900 to 2015 measurements) |
|||
| Trace or More | 1 Inch or More | ||
| Date | Amount | Date | Amount |
| Trace | September 6, 1929 | 1.0" | September 20, 1995 |
| Trace | September 12, 1949 | 1.9" | September 26, 1927 |
| Trace | September 13, 1993 | 6.0" | September 27, 1945 |
| Latest Recorded Snowfall (based on 1900 to 2015 measurements) |
|||
| Trace or More | 1 Inch or More | ||
| Date | Amount | Date | Amount |
| 1.5" | November 21, 1963 | 1.0" | February 21, 1913 |
| Trace | November 20, 2007 | 2.9" | February 8, 1901 |
| Trace | November 19, 1964 | 1.1" | February 6, 1951 |
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