Frost history / John Day 35 Wnw, OR
John Day 35 Wnw, OR: frost dates by year
Last spring and first fall frost at NOAA station USW00004125, 2004 to 2024, measured from daily minimum temperatures.
Elevation 2,245 ft, 44.556, -119.646. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | May 1 | Oct 17 |
| Earliest | Apr 18 (2005) | Oct 1 (2019) |
| Latest | May 20 (2022) | Nov 16 (2016) |
| Trend | 1.0 days earlier per decade | little change (less than half a day per decade) |
| Years with data | 20 | 21 |
At 28°F (hard freeze) the median last spring date is Apr 18 and the median first fall date is Oct 28.
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 23 | Oct 17 | Apr 19 | Nov 5 |
| 2023 | Apr 25 | Oct 26 | Apr 20 | Oct 27 |
| 2022 | May 20 | Nov 2 | May 11 | Nov 9 |
| 2021 | Apr 27 | Oct 7 | Apr 13 | Oct 12 |
| 2020 | May 4 | Oct 22 | Apr 16 | Oct 24 |
| 2019 | May 1 | Oct 1 | Apr 30 | Oct 2 |
| 2018 | Apr 23 | Oct 11 | Apr 23 | Oct 14 |
| 2017 | May 8 | Oct 3 | Mar 23 | Oct 14 |
| 2016 | Apr 26 | Nov 16 | Mar 28 | Nov 16 |
| 2015 | Apr 26 | Nov 3 | Apr 16 | Nov 9 |
| 2014 | Apr 28 | Nov 10 | Mar 22 | Nov 10 |
| 2013 | May 1 | Oct 4 | Apr 23 | Oct 14 |
| 2012 | May 11 | Oct 4 | Apr 7 | Nov 9 |
| 2011 | May 4 | Oct 24 | May 1 | Oct 25 |
| 2010 | May 6 | Oct 18 | Apr 10 | Nov 11 |
| 2009 | Apr 25 | Oct 12 | Apr 24 | Oct 28 |
| 2008 | May 9 | Oct 8 | Apr 25 | Oct 9 |
| 2007 | May 5 | Oct 6 | Apr 19 | Oct 26 |
| 2006 | May 9 | Oct 10 | Mar 20 | Oct 30 |
| 2005 | Apr 18 | Nov 8 | Mar 14 | Nov 9 |
| 2004 | no data | Oct 31 | 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.