Frost history / Port Meadville Ap, PA
Port Meadville Ap, PA: frost dates by year
Last spring and first fall frost at NOAA station USW00004843, 1997 to 2024, measured from daily minimum temperatures.
Elevation 1,400 ft, 41.626, -80.215. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Apr 29 | Oct 21 |
| Earliest | Apr 13 (2000) | Sep 29 (2000) |
| Latest | May 23 (2006) | Nov 16 (2005) |
| Trend | 3.4 days later per decade | 5.0 days later per decade |
| Years with data | 27 | 28 |
At 28°F (hard freeze) the median last spring date is Apr 13 and the median first fall date is Nov 12.
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 |
|---|---|---|---|---|
| 2024 | Apr 25 | Oct 27 | Mar 24 | Nov 13 |
| 2023 | May 18 | Oct 23 | Apr 8 | Nov 20 |
| 2022 | Apr 29 | Oct 19 | Apr 28 | Nov 17 |
| 2021 | May 9 | Nov 3 | Apr 26 | Nov 22 |
| 2020 | May 13 | Oct 25 | May 9 | Nov 17 |
| 2019 | Apr 29 | Nov 1 | Apr 1 | Nov 8 |
| 2018 | Apr 29 | Oct 21 | Apr 21 | Nov 10 |
| 2017 | May 9 | Oct 31 | Mar 23 | Nov 8 |
| 2016 | May 16 | Oct 26 | Apr 14 | Oct 26 |
| 2015 | Apr 25 | Oct 18 | Apr 1 | Nov 22 |
| 2014 | Apr 24 | Oct 12 | Apr 16 | Nov 13 |
| 2013 | May 14 | Oct 29 | Apr 21 | Nov 4 |
| 2012 | Apr 29 | Oct 13 | Apr 29 | Nov 7 |
| 2011 | Apr 18 | Oct 27 | Mar 30 | Oct 30 |
| 2010 | May 10 | Nov 1 | Mar 27 | Nov 1 |
| 2009 | Apr 13 | Oct 14 | Apr 13 | Dec 4 |
| 2008 | Apr 30 | Oct 19 | Mar 29 | Nov 17 |
| 2007 | Apr 16 | Oct 29 | Apr 10 | Nov 23 |
| 2006 | May 23 | Oct 13 | Apr 26 | Nov 2 |
| 2005 | Apr 25 | Nov 16 | Mar 26 | Nov 17 |
| 2004 | May 4 | Oct 12 | Apr 28 | Nov 13 |
| 2003 | Apr 24 | Oct 6 | Apr 24 | Nov 8 |
| 2002 | May 21 | Oct 14 | Apr 23 | Oct 29 |
| 2001 | Apr 29 | Oct 8 | Apr 19 | Nov 12 |
| 2000 | Apr 13 | Sep 29 | Apr 13 | Nov 6 |
| 1999 | Apr 25 | Oct 7 | Mar 27 | Nov 17 |
| 1998 | Apr 28 | Oct 30 | Apr 7 | Nov 3 |
| 1997 | no data | Oct 22 | no data | Nov 12 |
"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.