Frost history / Sharpsburg 5 S, MD
Sharpsburg 5 S, MD: frost dates by year
Last spring and first fall frost at NOAA station USC00188207, 1998 to 2021, measured from daily minimum temperatures.
Elevation 400 ft, 39.398, -77.721. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Apr 25 | Oct 19 |
| Earliest | Apr 4 (2019) | Oct 3 (2003) |
| Latest | May 23 (2002) | Nov 3 (2021) |
| Trend | 1.9 days earlier per decade | 5.4 days later per decade |
| Years with data | 17 | 19 |
At 28°F (hard freeze) the median last spring date is Apr 10 and the median first fall date is Nov 2.
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 |
|---|---|---|---|---|
| 2021 | Apr 24 | Nov 3 | Apr 23 | Nov 3 |
| 2020 | May 10 | Oct 31 | Apr 17 | Nov 18 |
| 2019 | Apr 4 | Oct 19 | Apr 4 | Nov 2 |
| 2018 | no data | Oct 19 | no data | Oct 22 |
| 2017 | May 10 | Oct 28 | Apr 9 | Nov 11 |
| 2016 | no data | Oct 11 | no data | Oct 27 |
| 2015 | Apr 25 | Oct 18 | Apr 2 | Oct 18 |
| 2014 | no data | Nov 3 | no data | Nov 3 |
| 2013 | May 15 | Oct 25 | Apr 7 | Oct 25 |
| 2012 | no data | Oct 13 | no data | Oct 14 |
| 2011 | Apr 7 | no data | Apr 7 | no data |
| 2010 | no data | Oct 30 | no data | Nov 2 |
| 2009 | Apr 18 | no data | Apr 14 | no data |
| 2008 | Apr 17 | no data | Apr 16 | no data |
| 2007 | no data | Nov 1 | no data | Nov 8 |
| 2006 | Apr 30 | no data | Apr 10 | no data |
| 2005 | May 7 | Oct 27 | Apr 17 | Nov 11 |
| 2004 | Apr 17 | Oct 18 | Apr 7 | Nov 9 |
| 2003 | Apr 24 | Oct 3 | Apr 1 | Oct 24 |
| 2002 | May 23 | Oct 18 | Apr 8 | Nov 2 |
| 2001 | May 14 | Oct 9 | Apr 27 | Oct 9 |
| 2000 | Apr 14 | Oct 8 | Apr 14 | Oct 29 |
| 1999 | Apr 26 | no data | Apr 25 | no data |
| 1998 | no data | Oct 23 | no data | Nov 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.