Frost history / Linden Wwtp, MI
Linden Wwtp, MI: frost dates by year
Last spring and first fall frost at NOAA station USC00204793, 2002 to 2025, measured from daily minimum temperatures.
Elevation 863 ft, 42.813, -83.804. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | May 10 | Oct 16 |
| Earliest | Apr 16 (2007) | Oct 1 (2017) |
| Latest | May 21 (2002) | Oct 26 (2025) |
| Trend | 1.6 days later per decade | 1.3 days later per decade |
| Years with data | 12 | 13 |
At 28°F (hard freeze) the median last spring date is Apr 20 and the median first fall date is Oct 27.
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 9 | Oct 26 | Apr 19 | Nov 6 |
| 2024 | no data | Oct 17 | no data | Oct 27 |
| 2021 | May 12 | no data | May 1 | no data |
| 2020 | May 13 | Oct 4 | May 13 | Oct 4 |
| 2019 | Apr 28 | Oct 15 | Apr 11 | Nov 6 |
| 2018 | Apr 30 | Oct 16 | Apr 21 | Oct 18 |
| 2017 | May 10 | Oct 1 | Apr 9 | Oct 2 |
| 2016 | May 15 | Oct 25 | Apr 11 | Nov 12 |
| 2015 | Apr 29 | Oct 17 | Apr 27 | Oct 18 |
| 2014 | no data | Oct 10 | no data | Oct 19 |
| 2011 | Apr 20 | no data | Apr 19 | no data |
| 2010 | May 11 | Oct 22 | May 10 | Nov 1 |
| 2008 | no data | Oct 22 | no data | Oct 22 |
| 2007 | Apr 16 | Oct 15 | Apr 16 | Nov 17 |
| 2006 | no data | Oct 6 | no data | Nov 1 |
| 2002 | May 21 | no data | May 19 | no data |
"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.