Frost history / Engadine Mdot, MI
Engadine Mdot, MI: frost dates by year
Last spring and first fall frost at NOAA station USC00202598, 2010 to 2025, measured from daily minimum temperatures.
Elevation 685 ft, 46.128, -85.570. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | May 24 | Sep 25 |
| Earliest | May 11 (2025) | Sep 6 (2011) |
| Latest | Jun 4 (2022) | Oct 18 (2021) |
| Trend | 3.8 days earlier per decade | 12.6 days later per decade |
| Years with data | 16 | 15 |
At 28°F (hard freeze) the median last spring date is May 10 and the median first fall date is Oct 17.
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 | May 11 | Oct 9 | May 9 | Oct 9 |
| 2024 | May 12 | Oct 10 | Apr 26 | Oct 17 |
| 2023 | May 26 | Sep 19 | Apr 27 | Oct 23 |
| 2022 | Jun 4 | Sep 23 | Apr 28 | Oct 10 |
| 2021 | Jun 2 | Oct 18 | May 12 | Nov 4 |
| 2020 | Jun 1 | Sep 19 | May 14 | Oct 17 |
| 2019 | May 22 | Oct 6 | May 13 | Oct 19 |
| 2018 | May 14 | Oct 5 | May 14 | Oct 18 |
| 2017 | May 21 | no data | May 10 | no data |
| 2016 | May 19 | Oct 14 | May 9 | Oct 14 |
| 2015 | Jun 2 | Sep 14 | May 21 | Oct 23 |
| 2014 | May 19 | Oct 5 | May 19 | Oct 20 |
| 2013 | Jun 4 | Sep 16 | Apr 27 | Oct 20 |
| 2012 | May 31 | Sep 25 | May 17 | Oct 9 |
| 2011 | May 27 | Sep 6 | May 4 | Sep 16 |
| 2010 | May 18 | Sep 18 | May 10 | Oct 2 |
"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.