Frost history / Assateague, MD
Assateague, MD: frost dates by year
Last spring and first fall frost at NOAA station USC00180335, 1969 to 2011, measured from daily minimum temperatures.
Elevation 10 ft, 38.072, -75.213. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Apr 4 | Nov 12 |
| Earliest | Mar 17 (1970) | Oct 4 (1974) |
| Latest | Apr 28 (1976) | Dec 5 (2006) |
| Trend | 1.1 days earlier per decade | 6.3 days later per decade |
| Years with data | 30 | 36 |
At 28°F (hard freeze) the median last spring date is Mar 17 and the median first fall date is Nov 25.
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 |
|---|---|---|---|---|
| 2011 | no data | Nov 12 | no data | Dec 19 |
| 2010 | no data | Nov 20 | no data | Nov 29 |
| 2008 | Apr 17 | no data | Feb 28 | no data |
| 2007 | Apr 8 | Nov 24 | Mar 20 | Nov 24 |
| 2006 | Mar 27 | Dec 5 | Mar 1 | Dec 6 |
| 2005 | Apr 13 | Nov 12 | Mar 11 | Nov 19 |
| 2003 | Apr 1 | Nov 26 | Mar 15 | Dec 4 |
| 2002 | Mar 24 | Nov 19 | Mar 22 | Nov 29 |
| 2001 | Apr 3 | Nov 12 | Mar 27 | Dec 22 |
| 2000 | Mar 18 | Nov 16 | Feb 22 | Nov 22 |
| 1999 | Mar 23 | Nov 17 | Mar 11 | Nov 17 |
| 1998 | Apr 13 | Nov 22 | Mar 13 | Dec 22 |
| 1997 | Apr 10 | Oct 29 | Mar 17 | Nov 17 |
| 1996 | no data | Nov 3 | no data | Nov 27 |
| 1995 | Apr 6 | no data | Mar 11 | no data |
| 1994 | Mar 17 | Nov 24 | Mar 17 | Dec 30 |
| 1993 | Mar 21 | Nov 7 | Mar 19 | Dec 12 |
| 1992 | no data | Oct 20 | no data | Nov 16 |
| 1991 | Apr 19 | Nov 4 | Mar 12 | Nov 5 |
| 1990 | Apr 11 | no data | Mar 27 | no data |
| 1989 | no data | Nov 19 | no data | Nov 24 |
| 1986 | Mar 23 | Nov 14 | Mar 23 | Nov 14 |
| 1985 | no data | Dec 3 | no data | Dec 3 |
| 1984 | Apr 1 | Nov 18 | Mar 15 | Nov 20 |
| 1983 | Apr 1 | Nov 17 | Mar 31 | Dec 2 |
| 1982 | no data | Oct 23 | no data | Dec 10 |
| 1981 | Apr 22 | Oct 20 | Apr 22 | Nov 26 |
| 1980 | Apr 17 | Nov 6 | Mar 4 | Dec 4 |
| 1979 | Mar 27 | Oct 28 | Mar 16 | Nov 30 |
| 1978 | Mar 19 | Nov 27 | Mar 18 | Dec 10 |
| 1977 | Apr 9 | Nov 13 | Feb 21 | Nov 14 |
| 1976 | Apr 28 | Oct 27 | Apr 13 | Oct 29 |
| 1975 | Apr 14 | Oct 31 | Apr 6 | Dec 19 |
| 1974 | no data | Oct 4 | no data | Oct 20 |
| 1973 | no data | Nov 8 | no data | Nov 12 |
| 1972 | Apr 9 | Oct 20 | Apr 9 | Nov 23 |
| 1971 | Apr 17 | Nov 8 | Apr 1 | Nov 23 |
| 1970 | Mar 17 | Oct 17 | Mar 17 | Nov 24 |
| 1969 | Apr 1 | Oct 24 | Mar 31 | Nov 21 |
"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.