Frost history / Townsend 5S, TN
Townsend 5S, TN: frost dates by year
Last spring and first fall frost at NOAA station USC00409065, 1999 to 2025, measured from daily minimum temperatures.
Elevation 1,893 ft, 35.603, -83.777. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Apr 20 | Oct 23 |
| Earliest | Apr 1 (2003) | Oct 5 (2014) |
| Latest | May 21 (2002) | Nov 27 (2010) |
| Trend | 4.0 days earlier per decade | little change (less than half a day per decade) |
| Years with data | 23 | 25 |
At 28°F (hard freeze) the median last spring date is Apr 7 and the median first fall date is Nov 2.
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 | no data | Oct 24 | no data | Nov 12 |
| 2023 | Apr 25 | no data | Mar 22 | no data |
| 2022 | Apr 21 | Oct 18 | Apr 15 | Oct 18 |
| 2021 | Apr 22 | Nov 5 | Apr 22 | Nov 7 |
| 2020 | no data | Oct 18 | no data | Nov 3 |
| 2019 | Apr 2 | Oct 19 | Mar 21 | Nov 2 |
| 2018 | Apr 18 | Oct 21 | Apr 18 | Nov 11 |
| 2017 | Apr 9 | Oct 29 | Mar 21 | Oct 30 |
| 2016 | Apr 14 | Oct 23 | Apr 11 | Nov 20 |
| 2015 | Apr 6 | Oct 19 | Apr 6 | Nov 14 |
| 2014 | May 17 | Oct 5 | Apr 16 | Nov 3 |
| 2013 | Apr 21 | Oct 24 | Mar 30 | Oct 26 |
| 2012 | Apr 14 | Nov 1 | Mar 7 | Nov 1 |
| 2011 | May 6 | Oct 22 | Apr 7 | Oct 30 |
| 2010 | Apr 10 | Nov 27 | Mar 21 | Dec 5 |
| 2009 | Apr 13 | Oct 19 | Apr 9 | Oct 20 |
| 2008 | May 1 | Oct 26 | Mar 26 | Oct 29 |
| 2007 | Apr 17 | Oct 30 | Apr 11 | Nov 7 |
| 2006 | Apr 5 | Oct 13 | Mar 28 | Oct 25 |
| 2005 | Apr 28 | Oct 27 | Mar 18 | Oct 29 |
| 2004 | May 5 | Nov 6 | Apr 10 | Nov 26 |
| 2003 | Apr 1 | Oct 28 | Apr 1 | Nov 14 |
| 2002 | May 21 | Nov 2 | Apr 7 | Nov 18 |
| 2001 | Apr 20 | Oct 8 | Apr 20 | Oct 28 |
| 2000 | Apr 28 | Oct 9 | Apr 10 | Oct 10 |
| 1999 | no data | Oct 21 | no data | Oct 25 |
"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.