Frost history / Muscle Shoals 2 N, AL
Muscle Shoals 2 N, AL: frost dates by year
Last spring and first fall frost at NOAA station USW00063894, 2007 to 2024, measured from daily minimum temperatures.
Elevation 530 ft, 34.773, -87.640. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Mar 22 | Nov 1 |
| Earliest | Mar 4 (2012) | Oct 19 (2015) |
| Latest | Apr 22 (2021) | Nov 29 (2024) |
| Trend | 1.3 days later per decade | 2.5 days later per decade |
| Years with data | 17 | 18 |
At 28°F (hard freeze) the median last spring date is Mar 9 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 19 | Nov 29 | Mar 19 | Nov 30 |
| 2023 | Mar 21 | Nov 1 | Mar 20 | Nov 1 |
| 2022 | Mar 13 | Oct 19 | Mar 13 | Nov 17 |
| 2021 | Apr 22 | Nov 13 | Mar 7 | Nov 23 |
| 2020 | Apr 15 | Nov 3 | Feb 22 | Dec 1 |
| 2019 | Mar 20 | Nov 1 | Mar 7 | Nov 9 |
| 2018 | Apr 8 | Nov 10 | Mar 9 | Nov 11 |
| 2017 | Mar 16 | Oct 30 | Mar 16 | Nov 20 |
| 2016 | Mar 22 | Nov 20 | Feb 27 | Nov 21 |
| 2015 | Mar 29 | Oct 19 | Mar 29 | Nov 22 |
| 2014 | Mar 26 | Nov 1 | Mar 26 | Nov 2 |
| 2013 | Mar 28 | Oct 25 | Mar 27 | Nov 13 |
| 2012 | Mar 4 | Nov 1 | Feb 26 | Nov 24 |
| 2011 | Mar 11 | Oct 29 | Feb 13 | Nov 11 |
| 2010 | Mar 7 | Oct 30 | Mar 7 | Nov 7 |
| 2009 | Apr 8 | Nov 26 | Mar 3 | Nov 27 |
| 2008 | Apr 16 | Oct 28 | Mar 25 | Oct 29 |
| 2007 | no data | Nov 7 | no data | Nov 16 |
"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.