Frost history / Tennessee Ridge, TN
Tennessee Ridge, TN: frost dates by year
Last spring and first fall frost at NOAA station USC00408916, 2000 to 2025, measured from daily minimum temperatures.
Elevation 722 ft, 36.325, -87.789. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Apr 7 | Nov 2 |
| Earliest | Mar 7 (2010) | Oct 8 (2000) |
| Latest | Apr 17 (2014) | Nov 25 (2004) |
| Trend | 2.5 days later per decade | 1.5 days later per decade |
| Years with data | 20 | 19 |
At 28°F (hard freeze) the median last spring date is Mar 19 and the median first fall date is Nov 15.
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 10 | Nov 10 | Mar 3 | Nov 10 |
| 2024 | Apr 7 | Nov 23 | Mar 20 | Nov 29 |
| 2023 | Mar 30 | Oct 31 | Mar 21 | Oct 31 |
| 2022 | Apr 3 | Oct 18 | Mar 14 | Nov 14 |
| 2020 | Apr 16 | Nov 2 | Apr 16 | Dec 2 |
| 2019 | Apr 16 | no data | Apr 16 | no data |
| 2018 | no data | Oct 22 | no data | Nov 10 |
| 2015 | Apr 1 | no data | Mar 29 | no data |
| 2014 | Apr 17 | Nov 2 | Mar 27 | Nov 2 |
| 2013 | Apr 5 | Oct 25 | Apr 2 | Nov 13 |
| 2012 | Apr 12 | Nov 14 | Feb 21 | Nov 24 |
| 2011 | Mar 26 | Nov 11 | Mar 6 | Nov 11 |
| 2010 | Mar 7 | Nov 6 | Mar 6 | Nov 6 |
| 2009 | Apr 7 | no data | Mar 5 | no data |
| 2008 | Mar 27 | Oct 29 | Mar 10 | Nov 18 |
| 2007 | Apr 10 | Nov 7 | Apr 9 | Nov 24 |
| 2006 | no data | Oct 24 | no data | Nov 3 |
| 2005 | Mar 17 | Nov 16 | Mar 17 | Nov 16 |
| 2004 | Apr 15 | Nov 25 | Apr 15 | Dec 2 |
| 2003 | Apr 10 | Nov 9 | Mar 12 | Nov 15 |
| 2001 | Mar 28 | Oct 26 | Mar 27 | Nov 21 |
| 2000 | Apr 10 | Oct 8 | Mar 13 | Nov 15 |
"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.