Frost history / Grant City 5WSW, MO
Grant City 5WSW, MO: frost dates by year
Last spring and first fall frost at NOAA station USC00233375, 2009 to 2024, measured from daily minimum temperatures.
Elevation 1,089 ft, 40.464, -94.498. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Apr 20 | Oct 22 |
| Earliest | Mar 25 (2017) | Oct 8 (2022) |
| Latest | May 16 (2014) | Nov 12 (2016) |
| Trend | 2.0 days earlier per decade | 2.6 days earlier per decade |
| Years with data | 15 | 15 |
At 28°F (hard freeze) the median last spring date is Apr 16 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 20 | Oct 16 | Mar 29 | Nov 21 |
| 2023 | Apr 24 | Oct 28 | Apr 23 | Oct 28 |
| 2022 | Apr 26 | Oct 8 | Apr 26 | Oct 17 |
| 2021 | Apr 22 | Oct 22 | Apr 21 | Nov 2 |
| 2020 | Apr 18 | Oct 24 | Apr 16 | Oct 26 |
| 2019 | Apr 14 | Oct 12 | Apr 13 | Oct 29 |
| 2018 | Apr 20 | Oct 15 | Apr 19 | Oct 15 |
| 2017 | Mar 25 | Oct 27 | Mar 18 | Oct 27 |
| 2016 | Apr 12 | Nov 12 | Apr 12 | Nov 13 |
| 2015 | Apr 23 | Oct 29 | Apr 22 | Nov 21 |
| 2014 | May 16 | Oct 31 | Apr 16 | Oct 31 |
| 2013 | May 6 | Oct 19 | Apr 25 | Oct 23 |
| 2012 | Apr 12 | no data | Mar 9 | no data |
| 2011 | May 3 | Oct 19 | Mar 31 | Oct 28 |
| 2010 | Apr 9 | Oct 29 | Mar 26 | Oct 29 |
| 2009 | no data | Oct 10 | no data | Oct 11 |
"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.