Frost history / Old Hickory Dam, TN
Old Hickory Dam, TN: frost dates by year
Last spring and first fall frost at NOAA station USC00406803, 2011 to 2025, measured from daily minimum temperatures.
Elevation 460 ft, 36.295, -86.657. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Apr 4 | Nov 2 |
| Earliest | Mar 3 (2011) | Oct 22 (2018) |
| Latest | Apr 24 (2013) | Nov 29 (2024) |
| Trend | 22.3 days later per decade | 12.2 days later per decade |
| Years with data | 11 | 12 |
At 28°F (hard freeze) the median last spring date is Mar 17 and the median first fall date is Nov 12.
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 | Nov 10 | no data | Nov 12 |
| 2024 | no data | Nov 29 | no data | Nov 30 |
| 2021 | Apr 4 | no data | Mar 8 | no data |
| 2020 | Apr 16 | Nov 2 | Apr 16 | Dec 1 |
| 2019 | Apr 2 | Nov 1 | Mar 8 | Nov 2 |
| 2018 | Apr 18 | Oct 22 | Mar 23 | Nov 11 |
| 2017 | Mar 20 | Oct 30 | Mar 17 | Nov 20 |
| 2016 | Mar 23 | Nov 13 | Mar 2 | Nov 20 |
| 2015 | Apr 6 | Nov 14 | Mar 30 | Nov 23 |
| 2014 | Apr 16 | Nov 2 | Mar 27 | Nov 2 |
| 2013 | Apr 24 | Oct 25 | Apr 2 | Oct 25 |
| 2012 | Mar 6 | Nov 1 | Mar 4 | Nov 1 |
| 2011 | Mar 3 | Oct 29 | Feb 14 | Nov 11 |
"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.