Frost history / Jamestown 38 Wsw, ND
Jamestown 38 Wsw, ND: frost dates by year
Last spring and first fall frost at NOAA station USW00054937, 2008 to 2024, measured from daily minimum temperatures.
Elevation 1,920 ft, 46.770, -99.478. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | May 12 | Oct 6 |
| Earliest | May 2 (2017) | Sep 8 (2020) |
| Latest | May 30 (2015) | Oct 16 (2021) |
| Trend | 0.8 days earlier per decade | 2.8 days later per decade |
| Years with data | 15 | 17 |
At 28°F (hard freeze) the median last spring date is May 10 and the median first fall date is Oct 10.
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 | May 4 | Oct 13 | Apr 24 | Oct 15 |
| 2023 | May 2 | Oct 6 | May 2 | Oct 6 |
| 2022 | no data | Oct 6 | no data | Oct 6 |
| 2021 | May 28 | Oct 16 | May 28 | Oct 21 |
| 2020 | May 12 | Sep 8 | May 12 | Oct 15 |
| 2019 | May 20 | Oct 3 | May 10 | Oct 10 |
| 2018 | May 10 | Sep 28 | Apr 28 | Sep 28 |
| 2017 | May 2 | Oct 9 | Apr 30 | Oct 9 |
| 2016 | May 17 | Oct 6 | May 14 | Oct 6 |
| 2015 | May 30 | Oct 8 | May 19 | Oct 16 |
| 2014 | May 16 | Oct 3 | May 15 | Oct 3 |
| 2013 | May 12 | Oct 6 | May 12 | Oct 18 |
| 2012 | May 9 | Sep 17 | Apr 17 | Sep 22 |
| 2011 | May 3 | Sep 14 | May 3 | Oct 18 |
| 2010 | May 9 | Oct 2 | May 8 | Oct 17 |
| 2009 | May 16 | Oct 8 | May 16 | Oct 8 |
| 2008 | no data | Oct 13 | no data | Oct 14 |
"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.