Frost history / Wolfsburg, PA
Wolfsburg, PA: frost dates by year
Last spring and first fall frost at NOAA station USC00369823, 2011 to 2022, measured from daily minimum temperatures.
Elevation 1,185 ft, 40.039, -78.524. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | May 12 | Oct 15 |
| Earliest | Apr 7 (2011) | Sep 20 (2020) |
| Latest | May 23 (2015) | Oct 27 (2014) |
| Trend | 7.2 days later per decade | 7.3 days earlier per decade |
| Years with data | 12 | 12 |
At 28°F (hard freeze) the median last spring date is Apr 21 and the median first fall date is Oct 25.
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 |
|---|---|---|---|---|
| 2022 | May 1 | Oct 9 | Apr 30 | Oct 21 |
| 2021 | May 14 | Oct 20 | Apr 24 | Nov 3 |
| 2020 | May 13 | Sep 20 | Apr 20 | Oct 18 |
| 2019 | Apr 29 | Oct 13 | Apr 4 | Oct 20 |
| 2018 | May 2 | Oct 19 | Apr 22 | Oct 25 |
| 2017 | May 10 | Oct 1 | May 9 | Oct 27 |
| 2016 | May 16 | Oct 11 | Apr 16 | Oct 26 |
| 2015 | May 23 | Oct 18 | Apr 13 | Oct 19 |
| 2014 | May 19 | Oct 27 | Apr 24 | Nov 8 |
| 2013 | May 15 | Oct 19 | May 15 | Oct 26 |
| 2012 | Apr 30 | Sep 25 | Apr 14 | Oct 13 |
| 2011 | Apr 7 | Oct 23 | Apr 7 | Oct 28 |
"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.