Frost history / Youngstown 2 E, NY
Youngstown 2 E, NY: frost dates by year
Last spring and first fall frost at NOAA station USC00309690, 2004 to 2019, measured from daily minimum temperatures.
Elevation 295 ft, 43.250, -79.009. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | May 1 | Oct 29 |
| Earliest | Apr 15 (2017) | Oct 13 (2012) |
| Latest | May 23 (2015) | Nov 8 (2017) |
| Trend | 11.0 days earlier per decade | 0.8 days later per decade |
| Years with data | 15 | 16 |
At 28°F (hard freeze) the median last spring date is Apr 17 and the median first fall date is Nov 4.
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 |
|---|---|---|---|---|
| 2019 | Apr 30 | Oct 19 | Apr 29 | Nov 4 |
| 2018 | Apr 23 | Oct 30 | Apr 22 | Nov 15 |
| 2017 | Apr 15 | Nov 8 | Mar 29 | Nov 8 |
| 2016 | Apr 28 | Nov 7 | Apr 27 | Dec 9 |
| 2015 | May 23 | Oct 19 | Apr 25 | Nov 23 |
| 2014 | Apr 29 | Nov 8 | Apr 17 | Nov 14 |
| 2013 | Apr 23 | Oct 29 | Apr 23 | Oct 29 |
| 2012 | May 1 | Oct 13 | May 1 | Oct 13 |
| 2011 | Apr 22 | Oct 28 | Mar 31 | Oct 30 |
| 2010 | May 11 | Nov 2 | Apr 1 | Nov 2 |
| 2009 | May 18 | Oct 15 | Apr 17 | Oct 15 |
| 2008 | May 1 | Oct 19 | Apr 4 | Nov 2 |
| 2007 | May 6 | Nov 2 | Apr 12 | Nov 11 |
| 2006 | May 7 | Oct 27 | Apr 9 | Oct 27 |
| 2005 | May 14 | Oct 28 | Apr 14 | Nov 18 |
| 2004 | no data | Nov 4 | no data | Nov 4 |
"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.