Frost history / Springboro 3 Wnw, PA
Springboro 3 Wnw, PA: frost dates by year
Last spring and first fall frost at NOAA station USC00368361, 1996 to 2025, measured from daily minimum temperatures.
Elevation 1,005 ft, 41.816, -80.425. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | May 14 | Oct 13 |
| Earliest | Apr 18 (2025) | Sep 19 (2020) |
| Latest | May 31 (2001) | Nov 4 (2021) |
| Trend | 3.3 days earlier per decade | 1.4 days later per decade |
| Years with data | 28 | 30 |
At 28°F (hard freeze) the median last spring date is Apr 28 and the median first fall date is Oct 31.
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 | Oct 16 | Apr 18 | Oct 27 |
| 2024 | Apr 26 | Oct 11 | Apr 26 | Nov 3 |
| 2023 | May 26 | Oct 23 | May 19 | Nov 12 |
| 2022 | May 1 | Oct 3 | Apr 30 | Oct 3 |
| 2021 | May 14 | Nov 4 | Apr 27 | Nov 6 |
| 2020 | May 14 | Sep 19 | May 14 | Nov 22 |
| 2019 | Apr 30 | Oct 19 | Apr 16 | Nov 7 |
| 2018 | May 1 | Oct 19 | May 1 | Nov 10 |
| 2017 | May 10 | Oct 1 | May 9 | Nov 8 |
| 2016 | May 16 | Oct 11 | Apr 15 | Oct 27 |
| 2015 | May 23 | Oct 19 | Apr 26 | Oct 19 |
| 2014 | May 7 | Oct 12 | Apr 25 | Nov 14 |
| 2013 | May 25 | Oct 24 | Apr 22 | Nov 4 |
| 2012 | May 18 | Oct 9 | Apr 30 | Oct 13 |
| 2011 | May 5 | Oct 28 | Apr 3 | Oct 30 |
| 2010 | May 11 | Oct 13 | May 11 | Nov 2 |
| 2009 | May 19 | Oct 12 | May 18 | Oct 18 |
| 2008 | May 28 | Oct 18 | Apr 16 | Oct 19 |
| 2007 | May 14 | Oct 29 | Apr 15 | Oct 29 |
| 2006 | May 24 | Oct 30 | May 7 | Nov 2 |
| 2005 | May 17 | Oct 24 | May 5 | Nov 17 |
| 2004 | May 5 | Oct 12 | May 4 | Nov 13 |
| 2003 | no data | Oct 3 | no data | Nov 9 |
| 2002 | May 23 | Oct 8 | May 20 | Oct 8 |
| 2001 | May 31 | Oct 8 | Apr 29 | Oct 8 |
| 2000 | Apr 29 | Sep 29 | Apr 28 | Oct 29 |
| 1999 | Apr 29 | Sep 22 | Apr 25 | Oct 7 |
| 1998 | Apr 29 | Oct 29 | Apr 28 | Oct 30 |
| 1997 | May 23 | Oct 17 | May 7 | Oct 17 |
| 1996 | no data | Oct 5 | no data | Nov 5 |
"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.