Frost history / Green City 5N, MO
Green City 5N, MO: frost dates by year
Last spring and first fall frost at NOAA station USC00233416, 2006 to 2022, measured from daily minimum temperatures.
Elevation 1,035 ft, 40.350, -92.949. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Apr 28 | Oct 16 |
| Earliest | Apr 8 (2017) | Sep 23 (2012) |
| Latest | May 17 (2014) | Oct 29 (2010) |
| Trend | 6.6 days later per decade | 3.1 days earlier per decade |
| Years with data | 16 | 17 |
At 28°F (hard freeze) the median last spring date is Apr 14 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 |
|---|---|---|---|---|
| 2022 | Apr 27 | Oct 8 | Apr 26 | Oct 8 |
| 2021 | May 13 | Oct 26 | Apr 23 | Nov 2 |
| 2020 | May 11 | Oct 16 | Apr 17 | Oct 26 |
| 2019 | May 13 | Oct 12 | Apr 15 | Oct 12 |
| 2018 | Apr 21 | Oct 12 | Apr 20 | Oct 16 |
| 2017 | Apr 8 | Oct 25 | Apr 8 | Oct 29 |
| 2016 | Apr 13 | Oct 13 | Apr 12 | Nov 12 |
| 2015 | Apr 24 | Oct 18 | Apr 5 | Oct 30 |
| 2014 | May 17 | Oct 4 | Apr 16 | Nov 1 |
| 2013 | May 4 | Oct 19 | Apr 24 | Oct 23 |
| 2012 | Apr 22 | Sep 23 | Apr 12 | Oct 7 |
| 2011 | May 5 | Oct 21 | Apr 6 | Oct 28 |
| 2010 | May 9 | Oct 29 | Mar 29 | Oct 29 |
| 2009 | Apr 12 | Oct 10 | Apr 12 | Oct 11 |
| 2008 | Apr 30 | Oct 28 | Apr 30 | Oct 28 |
| 2007 | Apr 15 | Oct 28 | Apr 14 | Nov 6 |
| 2006 | no data | Oct 12 | no data | Oct 13 |
"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.