Frost history / Columbia U Of M, MO
Columbia U Of M, MO: frost dates by year
Last spring and first fall frost at NOAA station USC00231801, 1997 to 2025, measured from daily minimum temperatures.
Elevation 770 ft, 38.943, -92.321. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Apr 6 | Oct 28 |
| Earliest | Mar 9 (2012) | Oct 7 (2000) |
| Latest | Apr 29 (2008) | Nov 20 (1998) |
| Trend | 2.6 days later per decade | little change (less than half a day per decade) |
| Years with data | 28 | 29 |
At 28°F (hard freeze) the median last spring date is Mar 21 and the median first fall date is Nov 9.
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 | Apr 8 | Nov 2 | Mar 9 | Nov 9 |
| 2024 | Apr 5 | Oct 16 | Mar 27 | Nov 23 |
| 2023 | Mar 20 | Oct 30 | Mar 20 | Oct 30 |
| 2022 | Apr 19 | Oct 17 | Apr 1 | Oct 18 |
| 2021 | Apr 22 | Nov 3 | Apr 21 | Nov 19 |
| 2020 | Apr 18 | Oct 26 | Mar 21 | Nov 2 |
| 2019 | Apr 1 | Oct 30 | Mar 31 | Oct 31 |
| 2018 | Apr 19 | Oct 16 | Apr 8 | Nov 9 |
| 2017 | Mar 16 | Oct 28 | Mar 15 | Oct 29 |
| 2016 | Apr 9 | Nov 19 | Mar 2 | Nov 20 |
| 2015 | Apr 4 | Nov 8 | Mar 6 | Nov 21 |
| 2014 | Apr 15 | Oct 31 | Mar 26 | Nov 1 |
| 2013 | Apr 20 | Oct 24 | Apr 2 | Oct 25 |
| 2012 | Mar 9 | Oct 27 | Mar 5 | Nov 12 |
| 2011 | Mar 28 | Oct 28 | Mar 27 | Nov 17 |
| 2010 | Mar 26 | Oct 29 | Mar 4 | Nov 6 |
| 2009 | Apr 7 | Oct 10 | Mar 13 | Dec 3 |
| 2008 | Apr 29 | Oct 28 | Mar 24 | Nov 9 |
| 2007 | Apr 9 | Nov 1 | Apr 9 | Nov 7 |
| 2006 | Mar 26 | Oct 13 | Mar 26 | Oct 24 |
| 2005 | Mar 28 | Oct 26 | Mar 20 | Nov 16 |
| 2004 | Mar 22 | Nov 12 | Mar 12 | Nov 24 |
| 2003 | Apr 10 | Nov 6 | Mar 11 | Nov 7 |
| 2002 | Apr 5 | Nov 1 | Apr 4 | Nov 1 |
| 2001 | Apr 18 | Oct 17 | Mar 27 | Dec 9 |
| 2000 | Apr 8 | Oct 7 | Mar 17 | Oct 9 |
| 1999 | Mar 26 | Oct 18 | Mar 15 | Oct 24 |
| 1998 | Mar 24 | Nov 20 | Mar 21 | Nov 21 |
| 1997 | no data | Oct 22 | no data | Nov 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.