Frost history / Chelsea 2 Nw, VT
Chelsea 2 Nw, VT: frost dates by year
Last spring and first fall frost at NOAA station USC00431363, 2000 to 2014, measured from daily minimum temperatures.
Elevation 1,440 ft, 44.011, -72.483. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | May 12 | Oct 3 |
| Earliest | Apr 26 (2014) | Sep 17 (2013) |
| Latest | Jun 1 (2009) | Oct 13 (2012) |
| Trend | 5.0 days earlier per decade | 4.2 days earlier per decade |
| Years with data | 11 | 13 |
At 28°F (hard freeze) the median last spring date is Apr 30 and the median first fall date is Oct 13.
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 | Apr 26 | no data | Apr 21 | no data |
| 2013 | May 16 | Sep 17 | May 15 | Oct 24 |
| 2012 | May 12 | Oct 13 | Apr 30 | Oct 13 |
| 2011 | May 6 | Oct 6 | Apr 23 | Oct 28 |
| 2010 | May 13 | Oct 3 | May 12 | Oct 19 |
| 2009 | Jun 1 | Sep 20 | May 19 | Oct 12 |
| 2008 | May 2 | Sep 19 | May 2 | Oct 18 |
| 2007 | no data | Oct 13 | no data | Oct 29 |
| 2006 | May 7 | Sep 30 | Apr 30 | Oct 13 |
| 2004 | May 9 | Oct 5 | May 8 | Oct 6 |
| 2003 | May 18 | Oct 3 | Apr 26 | Oct 3 |
| 2002 | no data | Oct 9 | no data | Oct 9 |
| 2001 | May 14 | Oct 7 | Apr 30 | Oct 9 |
| 2000 | no data | Sep 27 | no data | Sep 29 |
"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.