Frost history / Elm, MO
Elm, MO: frost dates by year
Last spring and first fall frost at NOAA station USC00232568, 1990 to 2020, measured from daily minimum temperatures.
Elevation 850 ft, 38.868, -94.035. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Apr 11 | Oct 22 |
| Earliest | Mar 10 (2012) | Sep 23 (1995) |
| Latest | May 16 (2014) | Nov 13 (2016) |
| Trend | 4.1 days later per decade | 3.9 days later per decade |
| Years with data | 29 | 26 |
At 28°F (hard freeze) the median last spring date is Apr 1 and the median first fall date is Oct 29.
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 |
|---|---|---|---|---|
| 2020 | Apr 18 | no data | Mar 21 | no data |
| 2019 | Apr 12 | Oct 12 | Apr 1 | Oct 12 |
| 2018 | Apr 20 | Oct 15 | Apr 17 | Oct 16 |
| 2017 | Apr 26 | Oct 28 | Mar 16 | Oct 28 |
| 2016 | Apr 12 | Nov 13 | Apr 9 | Nov 19 |
| 2015 | Apr 5 | Oct 29 | Apr 5 | Nov 20 |
| 2014 | May 16 | Nov 1 | Apr 16 | Nov 1 |
| 2013 | May 3 | Oct 23 | Apr 20 | Oct 25 |
| 2012 | Mar 10 | Oct 6 | Mar 6 | Oct 27 |
| 2011 | Apr 6 | Oct 21 | Mar 7 | Oct 21 |
| 2010 | Mar 29 | Oct 29 | Mar 20 | Oct 29 |
| 2009 | Apr 11 | Oct 10 | Apr 8 | Nov 27 |
| 2008 | Apr 14 | Oct 27 | Mar 25 | Oct 28 |
| 2007 | Apr 14 | Nov 1 | Apr 9 | Nov 2 |
| 2006 | Apr 9 | Oct 12 | Mar 26 | Oct 13 |
| 2005 | May 3 | Oct 25 | Mar 20 | Nov 10 |
| 2004 | Apr 13 | Nov 5 | Mar 21 | Nov 25 |
| 2003 | Apr 11 | Oct 26 | Apr 10 | Nov 24 |
| 2002 | Mar 28 | Oct 13 | Mar 27 | Nov 1 |
| 2001 | Apr 18 | Oct 17 | Apr 1 | Oct 27 |
| 2000 | Apr 9 | Oct 7 | Mar 29 | Oct 7 |
| 1999 | Apr 18 | Oct 18 | Mar 26 | Oct 18 |
| 1998 | Apr 5 | Nov 6 | Mar 21 | Nov 6 |
| 1995 | Apr 6 | Sep 23 | Apr 5 | Nov 3 |
| 1994 | Apr 8 | Oct 26 | Apr 8 | Oct 26 |
| 1993 | Apr 5 | Oct 10 | Apr 2 | Oct 30 |
| 1992 | Apr 3 | Oct 17 | Apr 3 | Nov 7 |
| 1991 | Mar 31 | no data | Mar 31 | no data |
| 1990 | Apr 13 | no data | Apr 7 | 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.