Frost history / Glenwillard Dashields L&D, PA
Glenwillard Dashields L&D, PA: frost dates by year
Last spring and first fall frost at NOAA station USC00363343, 2011 to 2025, measured from daily minimum temperatures.
Elevation 710 ft, 40.549, -80.206. Download the data (JSON) · NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Apr 14 | Nov 10 |
| Earliest | Mar 11 (2012) | Oct 31 (2020) |
| Latest | May 10 (2020) | Nov 18 (2022) |
| Trend | 9.9 days later per decade | 2.4 days earlier per decade |
| Years with data | 12 | 12 |
At 28°F (hard freeze) the median last spring date is Mar 28 and the median first fall date is Nov 20.
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 18 | Nov 14 | Apr 10 | Nov 18 |
| 2024 | Mar 31 | Nov 13 | Mar 25 | Nov 30 |
| 2023 | Mar 31 | Nov 2 | Mar 22 | Nov 25 |
| 2022 | Apr 21 | Nov 18 | Mar 30 | Nov 19 |
| 2021 | Apr 19 | Nov 4 | Apr 4 | Nov 20 |
| 2020 | May 10 | Oct 31 | Mar 2 | Dec 3 |
| 2019 | Apr 3 | Nov 3 | Apr 3 | Nov 9 |
| 2018 | Apr 22 | Nov 10 | Mar 26 | Nov 11 |
| 2017 | Apr 9 | Nov 9 | Mar 24 | Nov 11 |
| 2015 | Apr 25 | no data | Mar 30 | no data |
| 2013 | Apr 7 | Nov 13 | Apr 5 | Nov 24 |
| 2012 | Mar 11 | Nov 8 | Mar 11 | Nov 25 |
| 2011 | no data | Nov 18 | no data | Nov 18 |
"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 1991–2020 frost probabilities.