Frost history / Whitwell-Sequatchie Vly, TN
Whitwell-Sequatchie Vly, TN: frost dates by year
Last spring and first fall frost at NOAA station USC00409691, 2001 to 2024, measured from daily minimum temperatures.
Elevation 1,020 ft, 35.290, -85.474. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Mar 29 | Nov 8 |
| Earliest | Mar 5 (2016) | Oct 18 (2022) |
| Latest | Apr 24 (2005) | Nov 29 (2024) |
| Trend | 4.3 days earlier per decade | 6.1 days earlier per decade |
| Years with data | 19 | 16 |
At 28°F (hard freeze) the median last spring date is Mar 20 and the median first fall date is Nov 18.
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 28 | Nov 29 | Mar 20 | Nov 30 |
| 2023 | Mar 21 | Nov 1 | Mar 21 | Nov 1 |
| 2022 | Apr 10 | Oct 18 | Mar 14 | Nov 13 |
| 2021 | Apr 22 | Nov 6 | Apr 2 | Nov 14 |
| 2020 | Mar 7 | Nov 2 | Feb 27 | Dec 1 |
| 2019 | Apr 2 | Nov 2 | Mar 7 | Nov 12 |
| 2018 | Apr 17 | Nov 10 | Mar 14 | Nov 17 |
| 2017 | Mar 17 | Oct 30 | Mar 17 | Nov 20 |
| 2016 | Mar 5 | Nov 19 | Feb 13 | Nov 27 |
| 2015 | Mar 29 | Nov 23 | Mar 7 | Nov 23 |
| 2014 | Apr 16 | Nov 2 | Mar 27 | Nov 14 |
| 2013 | Mar 29 | no data | Mar 27 | no data |
| 2012 | Mar 6 | no data | Feb 20 | no data |
| 2008 | Mar 25 | no data | Mar 25 | no data |
| 2007 | Apr 9 | Nov 7 | Apr 9 | Nov 16 |
| 2005 | Apr 24 | Nov 17 | Mar 9 | Nov 17 |
| 2004 | Mar 23 | Nov 26 | Mar 23 | Dec 14 |
| 2003 | Mar 31 | Nov 14 | Mar 31 | Nov 25 |
| 2002 | no data | Nov 18 | no data | Nov 18 |
| 2001 | Apr 19 | no data | Mar 28 | 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.