Frost history / St Inigoes Webster Nolf, MD
St Inigoes Webster Nolf, MD: frost dates by year
Last spring and first fall frost at NOAA station USW00003757, 2007 to 2024, measured from daily minimum temperatures.
Elevation 21 ft, 38.142, -76.429. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Mar 25 | Nov 12 |
| Earliest | Mar 6 (2012) | Oct 26 (2013) |
| Latest | Apr 18 (2018) | Nov 30 (2024) |
| Trend | 1.3 days earlier per decade | 5.0 days later per decade |
| Years with data | 15 | 16 |
At 28°F (hard freeze) the median last spring date is Mar 17 and the median first fall date is Nov 26.
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 22 | Nov 30 | Feb 20 | Nov 30 |
| 2023 | Mar 21 | Nov 3 | Mar 20 | Nov 29 |
| 2022 | Mar 30 | Nov 17 | Mar 13 | Nov 21 |
| 2021 | Mar 20 | Nov 20 | Mar 8 | none |
| 2020 | Mar 8 | Nov 19 | Mar 1 | Dec 27 |
| 2019 | Apr 2 | Nov 9 | Mar 19 | Nov 14 |
| 2018 | Apr 18 | no data | Mar 17 | no data |
| 2017 | Mar 23 | Nov 11 | Mar 17 | Dec 12 |
| 2016 | Apr 10 | Nov 12 | Apr 6 | Nov 23 |
| 2015 | no data | Nov 15 | no data | Nov 24 |
| 2014 | Mar 27 | Nov 8 | Mar 27 | Nov 15 |
| 2013 | no data | Oct 26 | no data | Nov 13 |
| 2012 | Mar 6 | no data | Feb 21 | no data |
| 2011 | Mar 29 | Oct 31 | Mar 29 | none |
| 2010 | Mar 9 | Nov 27 | Feb 15 | Nov 29 |
| 2009 | Mar 25 | Nov 6 | Mar 25 | Dec 11 |
| 2008 | no data | Nov 17 | no data | Nov 22 |
| 2007 | Apr 11 | Nov 8 | Apr 10 | Dec 5 |
"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.