Frost history / Long Beach Exp Stn, WA
Long Beach Exp Stn, WA: frost dates by year
Last spring and first fall frost at NOAA station USC00454748, 1967 to 2018, measured from daily minimum temperatures.
Elevation 25 ft, 46.367, -124.038. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Apr 7 | Oct 31 |
| Earliest | Jan 4 (2016) | Sep 12 (1970) |
| Latest | May 17 (1974) | Dec 25 (1997) |
| Trend | 6.3 days earlier per decade | 3.7 days later per decade |
| Years with data | 48 | 51 |
At 28°F (hard freeze) the median last spring date is Mar 1 and the median first fall date is Nov 20.
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 |
|---|---|---|---|---|
| 2018 | Apr 19 | Nov 8 | Mar 7 | Nov 9 |
| 2017 | Mar 20 | Sep 21 | Feb 26 | Nov 6 |
| 2016 | Jan 4 | Oct 11 | none | Oct 11 |
| 2015 | Mar 5 | Nov 20 | Jan 3 | Nov 26 |
| 2014 | Mar 23 | Nov 14 | Feb 8 | Nov 14 |
| 2013 | Mar 9 | Oct 29 | Mar 4 | Nov 20 |
| 2012 | Apr 7 | Nov 9 | Mar 8 | Nov 10 |
| 2011 | May 1 | Oct 27 | Feb 27 | Nov 4 |
| 2010 | Mar 20 | Nov 21 | none | Nov 21 |
| 2009 | no data | Dec 1 | no data | Dec 4 |
| 2008 | Apr 21 | Oct 11 | Mar 6 | Dec 15 |
| 2007 | Apr 20 | Oct 31 | Feb 2 | Nov 2 |
| 2006 | Apr 22 | Oct 30 | Mar 19 | Oct 31 |
| 2005 | Mar 18 | Nov 15 | Feb 22 | Dec 6 |
| 2004 | Apr 2 | Nov 4 | Feb 10 | Nov 29 |
| 2003 | Apr 4 | Oct 31 | Feb 25 | Oct 31 |
| 2002 | Apr 24 | Oct 30 | Mar 18 | Oct 30 |
| 2001 | Apr 17 | Oct 29 | Mar 6 | none |
| 2000 | Mar 24 | Nov 9 | Feb 18 | Nov 11 |
| 1999 | Apr 3 | Nov 2 | Mar 6 | Dec 27 |
| 1998 | Mar 29 | Oct 30 | Mar 7 | Dec 18 |
| 1997 | Apr 6 | Dec 25 | Feb 24 | Dec 26 |
| 1996 | Mar 28 | Oct 31 | Mar 25 | none |
| 1995 | Apr 5 | Oct 31 | Mar 7 | Oct 31 |
| 1994 | Mar 7 | Nov 3 | Feb 9 | Nov 18 |
| 1993 | Apr 4 | Nov 1 | Mar 1 | Nov 8 |
| 1992 | Mar 18 | Oct 14 | Jan 18 | Nov 23 |
| 1991 | Mar 27 | Oct 28 | Jan 31 | Oct 30 |
| 1990 | Apr 4 | Nov 6 | Mar 12 | Dec 19 |
| 1989 | Mar 23 | Oct 29 | Mar 3 | Dec 11 |
| 1988 | Apr 8 | Nov 14 | Feb 4 | Dec 15 |
| 1987 | Apr 20 | Nov 28 | Feb 25 | Dec 12 |
| 1986 | Apr 30 | Nov 10 | Feb 19 | Dec 9 |
| 1985 | May 12 | Sep 29 | Mar 15 | Nov 11 |
| 1984 | Apr 27 | Oct 15 | Feb 2 | Oct 17 |
| 1983 | no data | Sep 19 | no data | Dec 1 |
| 1981 | Apr 13 | Oct 11 | Feb 20 | Nov 28 |
| 1980 | Apr 11 | Oct 16 | Feb 12 | Nov 11 |
| 1979 | Mar 22 | Nov 8 | Mar 1 | Nov 12 |
| 1978 | Apr 9 | Oct 25 | Mar 1 | Oct 31 |
| 1977 | May 12 | Nov 8 | Mar 16 | Nov 18 |
| 1976 | Apr 3 | Nov 18 | Mar 6 | Nov 26 |
| 1975 | Apr 30 | Nov 18 | Apr 5 | Nov 18 |
| 1974 | May 17 | Oct 5 | Mar 8 | Nov 28 |
| 1973 | Apr 7 | Oct 9 | Feb 4 | Nov 2 |
| 1972 | Apr 17 | Sep 27 | Feb 4 | Dec 4 |
| 1971 | Apr 18 | Oct 15 | Mar 17 | Oct 27 |
| 1970 | Apr 13 | Sep 12 | Mar 1 | Nov 28 |
| 1969 | Apr 7 | Oct 12 | Mar 12 | Nov 26 |
| 1968 | Apr 21 | Oct 31 | Feb 13 | Dec 18 |
| 1967 | no data | Nov 2 | no data | Nov 20 |
"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.