Frost history / Greenfield #3, MA
Greenfield #3, MA: frost dates by year
Last spring and first fall frost at NOAA station USC00193229, 2006 to 2025, measured from daily minimum temperatures.
Elevation 130 ft, 42.572, -72.597. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | May 2 | Oct 13 |
| Earliest | Apr 20 (2007) | Sep 18 (2008) |
| Latest | May 19 (2009) | Oct 31 (2023) |
| Trend | 1.8 days earlier per decade | 3.8 days later per decade |
| Years with data | 19 | 19 |
At 28°F (hard freeze) the median last spring date is Apr 18 and the median first fall date is Oct 29.
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 |
|---|---|---|---|---|
| 2025 | Apr 22 | Oct 10 | Apr 18 | Oct 27 |
| 2024 | Apr 28 | Oct 16 | Apr 26 | Nov 4 |
| 2023 | May 18 | Oct 31 | Apr 10 | Nov 2 |
| 2022 | May 9 | Oct 10 | Apr 19 | Oct 31 |
| 2021 | Apr 27 | Oct 25 | Apr 5 | Nov 4 |
| 2020 | May 14 | Sep 21 | Apr 23 | Oct 31 |
| 2019 | Apr 29 | Oct 5 | Apr 11 | Nov 3 |
| 2018 | Apr 23 | Oct 19 | Apr 23 | Oct 22 |
| 2017 | May 4 | Oct 17 | Apr 10 | Nov 9 |
| 2016 | Apr 28 | Oct 11 | Apr 17 | Oct 27 |
| 2015 | Apr 26 | Oct 19 | Apr 26 | Oct 19 |
| 2014 | May 7 | Oct 20 | Apr 20 | Nov 8 |
| 2013 | May 15 | Oct 23 | Apr 15 | Oct 26 |
| 2012 | Apr 30 | Oct 13 | Apr 8 | Oct 13 |
| 2011 | May 6 | no data | Apr 22 | no data |
| 2010 | May 13 | Oct 10 | May 11 | Nov 1 |
| 2009 | May 19 | Oct 12 | Apr 16 | Oct 12 |
| 2008 | May 2 | Sep 18 | May 1 | Oct 18 |
| 2007 | Apr 20 | Oct 13 | Apr 12 | Oct 29 |
| 2006 | no data | Oct 13 | no data | Oct 27 |
"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.