Frost history / Skamania Fish Hatchery, WA
Skamania Fish Hatchery, WA: frost dates by year
Last spring and first fall frost at NOAA station USC00457696, 1965 to 2025, measured from daily minimum temperatures.
Elevation 435 ft, 45.622, -122.218. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | May 12 | Oct 11 |
| Earliest | Mar 18 (2005) | Aug 19 (1996) |
| Latest | Jul 3 (1997) | Dec 16 (2012) |
| Trend | 6.3 days earlier per decade | 6.9 days later per decade |
| Years with data | 58 | 58 |
At 28°F (hard freeze) the median last spring date is Apr 14 and the median first fall date is Nov 1.
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 |
|---|---|---|---|---|
| 2025 | May 5 | Nov 18 | Mar 7 | none |
| 2024 | Apr 22 | Oct 24 | Mar 8 | Nov 30 |
| 2023 | Apr 21 | Oct 27 | Mar 17 | Oct 28 |
| 2022 | May 14 | Nov 7 | Mar 13 | Nov 9 |
| 2021 | Apr 14 | Oct 12 | Apr 12 | Dec 28 |
| 2020 | May 7 | Oct 22 | Mar 18 | Oct 27 |
| 2019 | May 2 | Oct 1 | Mar 15 | Oct 28 |
| 2018 | Apr 23 | Nov 8 | Mar 22 | Dec 3 |
| 2017 | Apr 12 | Oct 15 | Feb 4 | Dec 21 |
| 2016 | Apr 27 | Dec 6 | Mar 18 | Dec 7 |
| 2015 | Apr 26 | Nov 4 | Mar 6 | Nov 26 |
| 2014 | Apr 1 | Nov 13 | Mar 24 | Nov 13 |
| 2013 | May 1 | Oct 9 | Mar 10 | Oct 30 |
| 2012 | May 10 | Dec 16 | Mar 8 | none |
| 2011 | May 4 | Oct 25 | Apr 18 | Nov 18 |
| 2010 | Apr 13 | Nov 10 | Mar 18 | Nov 22 |
| 2009 | May 21 | no data | Apr 24 | no data |
| 2008 | May 5 | Sep 23 | Apr 26 | Oct 11 |
| 2007 | May 14 | Oct 26 | Apr 20 | Oct 26 |
| 2006 | no data | Oct 10 | no data | Oct 30 |
| 2005 | Mar 18 | Sep 24 | Feb 16 | Nov 28 |
| 2004 | Apr 25 | Nov 4 | Feb 22 | Nov 4 |
| 2003 | May 8 | Oct 30 | Mar 2 | Nov 1 |
| 2002 | May 12 | Oct 13 | Mar 19 | Nov 1 |
| 2001 | May 6 | Oct 18 | Mar 21 | Nov 7 |
| 2000 | May 7 | Oct 6 | Apr 24 | Oct 6 |
| 1999 | May 10 | Sep 11 | Mar 11 | Dec 27 |
| 1998 | May 28 | Oct 19 | May 28 | Oct 29 |
| 1997 | Jul 3 | Sep 19 | Jun 8 | Sep 19 |
| 1996 | Jun 29 | Aug 19 | May 9 | Aug 19 |
| 1995 | Apr 23 | no data | Apr 22 | no data |
| 1994 | no data | Sep 6 | no data | Nov 3 |
| 1993 | Apr 20 | no data | Mar 26 | no data |
| 1992 | May 21 | Oct 15 | Feb 17 | Oct 15 |
| 1991 | Jun 4 | Oct 3 | Apr 13 | Oct 18 |
| 1990 | May 26 | Sep 13 | May 1 | Oct 7 |
| 1989 | May 21 | Sep 18 | Mar 4 | Oct 15 |
| 1988 | Apr 27 | Sep 11 | Mar 16 | Sep 18 |
| 1987 | Jun 2 | Sep 17 | Apr 21 | Nov 17 |
| 1986 | May 17 | Oct 13 | May 1 | Nov 10 |
| 1985 | Jun 3 | Oct 9 | May 13 | Oct 9 |
| 1984 | Jun 1 | Sep 25 | Apr 27 | Nov 22 |
| 1983 | May 20 | Sep 19 | Apr 17 | Nov 29 |
| 1982 | May 19 | Oct 18 | Apr 19 | Oct 19 |
| 1981 | May 12 | Oct 12 | Apr 25 | Nov 4 |
| 1980 | May 17 | Oct 16 | Apr 11 | Oct 22 |
| 1979 | May 28 | Nov 1 | Feb 15 | Nov 1 |
| 1978 | May 30 | Sep 16 | May 6 | Nov 10 |
| 1977 | May 25 | Oct 3 | May 12 | Nov 3 |
| 1976 | Jun 27 | Oct 13 | May 18 | Oct 17 |
| 1975 | May 26 | Oct 31 | Apr 30 | Nov 12 |
| 1974 | May 21 | Sep 28 | Apr 14 | Nov 16 |
| 1973 | Jun 10 | Sep 1 | Apr 28 | Oct 3 |
| 1972 | May 26 | Sep 25 | May 1 | Sep 26 |
| 1971 | May 10 | Oct 16 | Apr 12 | Oct 16 |
| 1970 | May 14 | Sep 13 | Apr 17 | Sep 13 |
| 1969 | May 5 | Sep 15 | May 1 | Nov 24 |
| 1968 | May 8 | Oct 2 | Apr 28 | Nov 4 |
| 1967 | May 26 | Sep 12 | May 25 | Nov 16 |
| 1966 | Jun 5 | Oct 9 | May 17 | Oct 14 |
| 1965 | no data | Sep 17 | no data | Sep 17 |
"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.