Frost history / Salisbury 2 N, VT
Salisbury 2 N, VT: frost dates by year
Last spring and first fall frost at NOAA station USC00437098, 1992 to 2014, measured from daily minimum temperatures.
Elevation 420 ft, 43.926, -73.099. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | May 20 | Sep 23 |
| Earliest | Apr 29 (1998) | Sep 5 (2000) |
| Latest | Jul 2 (1992) | Oct 21 (2005) |
| Trend | 3.4 days earlier per decade | 0.5 days later per decade |
| Years with data | 21 | 23 |
At 28°F (hard freeze) the median last spring date is May 8 and the median first fall date is Oct 6.
The trend is a straight-line fit through the years with a freeze. A positive spring trend means the last frost now comes later. Short or patchy records give noisy trends.
Chart
Last spring frost (32°F)
First fall frost (32°F)
Dots are single years. The gray line is the median, the green line the fitted trend.
Year by year
| Year | Last spring 32°F | First fall 32°F | Last spring 28°F | First fall 28°F |
|---|---|---|---|---|
| 2014 | no data | Sep 19 | no data | Oct 20 |
| 2013 | Jun 21 | Sep 17 | May 16 | Sep 17 |
| 2012 | May 12 | Sep 20 | May 6 | Oct 13 |
| 2011 | May 11 | Sep 17 | May 10 | Oct 6 |
| 2010 | May 13 | Oct 3 | May 13 | Oct 10 |
| 2009 | May 26 | Sep 20 | Apr 30 | Oct 12 |
| 2008 | May 5 | Sep 23 | May 1 | Oct 7 |
| 2007 | May 22 | Oct 13 | May 3 | Oct 29 |
| 2006 | May 7 | Oct 6 | Apr 29 | Oct 22 |
| 2005 | no data | Oct 21 | no data | Oct 22 |
| 2004 | May 31 | Sep 20 | May 8 | Oct 5 |
| 2003 | Jun 3 | Oct 3 | May 17 | Oct 3 |
| 2002 | Jun 4 | Sep 29 | Jun 3 | Oct 8 |
| 2001 | May 15 | Sep 15 | May 15 | Sep 30 |
| 2000 | May 20 | Sep 5 | May 4 | Sep 29 |
| 1999 | May 14 | Oct 6 | May 14 | Oct 6 |
| 1998 | Apr 29 | Oct 3 | Apr 28 | Oct 4 |
| 1997 | May 8 | Sep 22 | May 8 | Oct 12 |
| 1996 | May 26 | Sep 24 | Apr 29 | Oct 4 |
| 1995 | May 9 | Sep 11 | May 7 | Sep 19 |
| 1994 | May 20 | Oct 1 | May 14 | Oct 3 |
| 1993 | Jun 5 | Sep 20 | May 30 | Sep 20 |
| 1992 | Jul 2 | Sep 24 | May 29 | Sep 24 |
"none" means the station recorded no freeze at that threshold in that half of the year. "no data" means more than 10% of the season's daily readings were missing. Years with no usable data are left out. See the methodology for the rules, and the ZIP lookup for 1991 to 2020 frost probabilities.