Frost history / Buffalo 13 Ese, SD
Buffalo 13 Ese, SD: frost dates by year
Last spring and first fall frost at NOAA station USW00094081, 2005 to 2024, measured from daily minimum temperatures.
Elevation 2,883 ft, 45.516, -103.302. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | May 15 | Sep 19 |
| Earliest | Apr 27 (2018) | Sep 3 (2008) |
| Latest | Jun 4 (2009) | Oct 14 (2015) |
| Trend | 0.8 days later per decade | 1.8 days later per decade |
| Years with data | 20 | 20 |
At 28°F (hard freeze) the median last spring date is May 12 and the median first fall date is Oct 2.
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 9 | Sep 22 | May 4 | Oct 1 |
| 2023 | May 19 | Oct 6 | May 1 | Oct 6 |
| 2022 | Jun 1 | Sep 10 | May 22 | Oct 6 |
| 2021 | May 13 | Sep 17 | May 13 | Oct 14 |
| 2020 | May 15 | Sep 8 | May 11 | Sep 8 |
| 2019 | May 29 | Sep 27 | May 12 | Sep 28 |
| 2018 | Apr 27 | Sep 26 | Apr 19 | Oct 3 |
| 2017 | May 30 | Sep 5 | May 30 | Oct 3 |
| 2016 | May 24 | Sep 26 | May 15 | Oct 5 |
| 2015 | May 21 | Oct 14 | May 21 | Oct 15 |
| 2014 | May 15 | Sep 11 | May 15 | Sep 12 |
| 2013 | May 12 | Sep 20 | May 12 | Oct 5 |
| 2012 | May 20 | Sep 12 | May 12 | Sep 12 |
| 2011 | May 15 | Sep 4 | May 5 | Sep 22 |
| 2010 | May 14 | Sep 30 | May 8 | Oct 12 |
| 2009 | Jun 4 | Sep 23 | May 16 | Sep 28 |
| 2008 | May 11 | Sep 3 | May 4 | Sep 29 |
| 2007 | May 16 | Sep 10 | Apr 14 | Sep 13 |
| 2006 | May 15 | Sep 18 | May 14 | Sep 19 |
| 2005 | May 15 | Oct 4 | May 4 | Oct 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.