Frost history / Rocky Mt Wilson Ap, NC
Rocky Mt Wilson Ap, NC: frost dates by year
Last spring and first fall frost at NOAA station USW00093759, 2001 to 2024, measured from daily minimum temperatures.
Elevation 160 ft, 35.855, -77.893. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Apr 3 | Nov 4 |
| Earliest | Feb 22 (2024) | Oct 19 (2015) |
| Latest | Apr 22 (2021) | Nov 24 (2024) |
| Trend | 6.8 days earlier per decade | 2.0 days later per decade |
| Years with data | 23 | 24 |
At 28°F (hard freeze) the median last spring date is Mar 20 and the median first fall date is Nov 17.
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 | Feb 22 | Nov 24 | Feb 18 | Nov 30 |
| 2023 | Mar 21 | Nov 2 | Mar 21 | Nov 3 |
| 2022 | Mar 29 | Oct 20 | Mar 29 | Nov 18 |
| 2021 | Apr 22 | Nov 8 | Apr 3 | Nov 23 |
| 2020 | Apr 11 | Nov 18 | Mar 1 | Dec 3 |
| 2019 | Apr 3 | Nov 8 | Mar 7 | Nov 13 |
| 2018 | Mar 27 | Nov 11 | Mar 15 | Nov 23 |
| 2017 | Apr 8 | Nov 11 | Mar 17 | Nov 21 |
| 2016 | Apr 10 | Nov 8 | Apr 6 | Nov 13 |
| 2015 | Mar 29 | Oct 19 | Mar 29 | Nov 24 |
| 2014 | Mar 27 | Nov 2 | Mar 27 | Nov 15 |
| 2013 | Mar 30 | Oct 26 | Mar 29 | Nov 13 |
| 2012 | Mar 11 | Nov 2 | Mar 6 | Nov 9 |
| 2011 | Apr 6 | Oct 29 | Mar 4 | Nov 19 |
| 2010 | Mar 27 | Nov 7 | Mar 7 | Nov 29 |
| 2009 | Mar 22 | Oct 20 | Mar 5 | Dec 7 |
| 2008 | Mar 18 | Oct 29 | Feb 28 | Oct 30 |
| 2007 | Apr 10 | Nov 7 | Apr 8 | Nov 16 |
| 2006 | Apr 10 | Oct 24 | Mar 20 | Nov 4 |
| 2005 | Apr 17 | Oct 30 | Mar 15 | Oct 30 |
| 2004 | Apr 6 | Nov 9 | Mar 24 | Nov 15 |
| 2003 | no data | Nov 14 | no data | Nov 30 |
| 2002 | Apr 7 | Nov 19 | Mar 23 | Nov 28 |
| 2001 | Apr 19 | Oct 28 | Mar 28 | Oct 29 |
"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.