Frost history / Port Orford #2, OR
Port Orford #2, OR: frost dates by year
Last spring and first fall frost at NOAA station USC00356784, 1964 to 2025, measured from daily minimum temperatures.
Elevation 42 ft, 42.752, -124.501. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Mar 3 | Nov 28 |
| Earliest | Jan 1 (2015) | Oct 7 (1970) |
| Latest | May 24 (1975) | Dec 30 (2014) |
| Trend | 8.6 days earlier per decade | 3.1 days later per decade |
| Years with data | 55, 4 with no freeze | 55, 5 with no freeze |
At 28°F (hard freeze) the median last spring date is Feb 4 and the median first fall date is Dec 5.
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 | Feb 16 | none | Feb 16 | none |
| 2024 | none | Nov 28 | none | none |
| 2023 | Mar 26 | Nov 26 | Jan 31 | none |
| 2022 | Feb 26 | Nov 14 | Feb 24 | none |
| 2020 | none | Nov 21 | none | none |
| 2019 | Mar 25 | no data | none | no data |
| 2018 | Mar 6 | none | Feb 24 | none |
| 2017 | Feb 24 | Dec 10 | Jan 7 | none |
| 2016 | Jan 3 | Dec 7 | none | none |
| 2015 | Jan 1 | Nov 26 | none | Nov 28 |
| 2014 | Feb 5 | Dec 30 | none | none |
| 2013 | Feb 26 | Nov 19 | Jan 21 | Dec 4 |
| 2012 | Mar 7 | Dec 25 | none | none |
| 2011 | Feb 27 | Dec 6 | Feb 27 | Dec 13 |
| 2010 | Mar 9 | Nov 24 | none | none |
| 2009 | Mar 9 | Dec 2 | none | Dec 6 |
| 2008 | Mar 31 | Dec 16 | none | Dec 16 |
| 2007 | Feb 2 | Nov 23 | Jan 16 | none |
| 2006 | Feb 20 | Oct 31 | Feb 20 | none |
| 2005 | Jan 5 | Dec 5 | Jan 5 | Dec 6 |
| 2004 | Feb 11 | Nov 29 | none | Nov 29 |
| 2003 | Feb 12 | Nov 22 | none | none |
| 2002 | Mar 17 | Oct 31 | none | Oct 31 |
| 2001 | Feb 11 | none | none | none |
| 2000 | none | none | none | none |
| 1999 | Mar 11 | no data | none | no data |
| 1998 | Mar 5 | Dec 4 | none | Dec 18 |
| 1997 | Mar 3 | Dec 10 | Jan 14 | none |
| 1996 | Feb 25 | Dec 14 | none | none |
| 1995 | none | Dec 23 | none | none |
| 1994 | Feb 8 | Nov 18 | none | Nov 22 |
| 1993 | Feb 28 | Nov 20 | Feb 16 | Nov 24 |
| 1992 | Jan 19 | Dec 4 | none | none |
| 1991 | Mar 26 | Nov 30 | Jan 30 | none |
| 1990 | Mar 12 | Dec 6 | Feb 19 | Dec 20 |
| 1989 | Mar 4 | Dec 12 | Feb 9 | none |
| 1988 | Feb 5 | Nov 30 | Jan 2 | none |
| 1987 | Feb 25 | Dec 13 | Feb 25 | Dec 25 |
| 1986 | Apr 18 | Nov 25 | none | none |
| 1985 | Mar 7 | Nov 11 | Feb 4 | Nov 13 |
| 1984 | Jan 20 | Nov 23 | Jan 17 | Dec 19 |
| 1983 | no data | Dec 21 | no data | Dec 22 |
| 1982 | May 11 | Nov 14 | Feb 5 | Nov 24 |
| 1981 | Feb 9 | Dec 30 | none | none |
| 1980 | Jan 30 | Nov 13 | Jan 30 | none |
| 1979 | Feb 3 | Nov 20 | Feb 3 | none |
| 1978 | Mar 16 | Nov 10 | none | Nov 13 |
| 1975 | May 24 | Nov 10 | Mar 28 | none |
| 1974 | Mar 22 | no data | Mar 8 | no data |
| 1973 | Apr 21 | none | Apr 21 | none |
| 1972 | Apr 19 | Dec 1 | Feb 1 | Dec 5 |
| 1971 | Apr 21 | Oct 28 | Feb 20 | Oct 28 |
| 1970 | Apr 16 | Oct 7 | Jan 6 | none |
| 1969 | no data | Nov 28 | no data | none |
| 1968 | Jan 29 | no data | Jan 27 | no data |
| 1967 | no data | Nov 27 | no data | Dec 13 |
| 1966 | May 9 | Oct 19 | none | none |
| 1965 | May 6 | Nov 28 | none | Dec 17 |
| 1964 | no data | Nov 14 | no data | Nov 22 |
"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.