Frost history / Coleman 4W, OK
Coleman 4W, OK: frost dates by year
Last spring and first fall frost at NOAA station USC00342011, 2003 to 2024, measured from daily minimum temperatures.
Elevation 747 ft, 34.276, -96.495. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Mar 30 | Nov 3 |
| Earliest | Mar 10 (2004) | Oct 19 (2022) |
| Latest | Apr 22 (2021) | Nov 25 (2004) |
| Trend | 5.8 days later per decade | 8.3 days earlier per decade |
| Years with data | 11 | 11 |
At 28°F (hard freeze) the median last spring date is Mar 5 and the median first fall date is Nov 16.
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 | Mar 20 | no data | Mar 20 | no data |
| 2023 | Mar 20 | Oct 31 | Mar 20 | Oct 31 |
| 2022 | Apr 10 | Oct 19 | Mar 13 | Oct 19 |
| 2021 | Apr 22 | Nov 13 | Apr 22 | Nov 19 |
| 2020 | Apr 16 | Oct 30 | Feb 28 | Dec 1 |
| 2014 | no data | Oct 31 | no data | Nov 11 |
| 2013 | no data | Nov 12 | no data | Nov 12 |
| 2011 | Mar 30 | Nov 3 | Mar 5 | Nov 16 |
| 2010 | Mar 22 | Nov 5 | Feb 23 | Nov 5 |
| 2008 | Apr 13 | no data | Apr 1 | no data |
| 2007 | Apr 8 | no data | Mar 3 | no data |
| 2005 | Mar 17 | Oct 25 | Feb 10 | Nov 16 |
| 2004 | Mar 10 | Nov 25 | Feb 16 | Nov 25 |
| 2003 | no data | Nov 23 | no data | Nov 23 |
"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.