Frost history / Silver Creek Falls, OR
Silver Creek Falls, OR: frost dates by year
Last spring and first fall frost at NOAA station USC00357809, 1951 to 2025, measured from daily minimum temperatures.
Elevation 1,350 ft, 44.873, -122.649. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | May 12 | Oct 6 |
| Earliest | Apr 23 (2015) | Aug 23 (1951) |
| Latest | Jul 13 (1970) | Dec 4 (2016) |
| Trend | 3.2 days earlier per decade | 5.5 days later per decade |
| Years with data | 49 | 48 |
At 28°F (hard freeze) the median last spring date is Apr 19 and the median first fall date is Oct 30.
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 20 | Oct 2 | Apr 12 | Oct 23 |
| 2024 | no data | Oct 23 | no data | Nov 27 |
| 2023 | no data | Oct 27 | no data | Oct 28 |
| 2022 | May 13 | Nov 2 | Apr 6 | Nov 9 |
| 2021 | no data | Oct 12 | no data | Nov 16 |
| 2020 | May 7 | no data | Apr 13 | no data |
| 2019 | May 2 | no data | Apr 27 | no data |
| 2018 | Apr 23 | Sep 23 | Apr 3 | Nov 7 |
| 2017 | Apr 30 | Oct 15 | Apr 2 | Dec 5 |
| 2016 | Apr 26 | Dec 4 | Feb 7 | Dec 22 |
| 2015 | Apr 23 | Nov 5 | Mar 5 | Nov 23 |
| 2014 | Apr 27 | Nov 10 | Mar 23 | Nov 11 |
| 2013 | May 1 | Oct 7 | May 1 | Nov 20 |
| 2012 | May 19 | Nov 9 | May 10 | none |
| 2011 | May 4 | Oct 25 | May 1 | Oct 26 |
| 2010 | May 6 | Oct 17 | Apr 10 | Nov 21 |
| 2009 | May 13 | Oct 5 | Apr 24 | Dec 2 |
| 2008 | May 9 | Oct 11 | Apr 3 | Nov 23 |
| 2007 | May 14 | no data | Apr 20 | no data |
| 2006 | no data | Oct 10 | no data | Oct 30 |
| 2003 | May 19 | no data | Feb 25 | no data |
| 2002 | May 8 | Oct 12 | Mar 7 | Oct 30 |
| 2001 | May 29 | Oct 18 | Apr 16 | Dec 24 |
| 1999 | May 10 | no data | Apr 15 | no data |
| 1998 | no data | Oct 19 | no data | Dec 9 |
| 1997 | May 2 | Oct 20 | Apr 12 | Dec 2 |
| 1996 | no data | Oct 17 | no data | Dec 15 |
| 1993 | no data | Sep 23 | no data | Nov 7 |
| 1991 | Apr 29 | no data | Mar 27 | no data |
| 1990 | no data | Oct 7 | no data | Dec 7 |
| 1988 | May 5 | no data | Apr 9 | no data |
| 1985 | May 15 | no data | May 12 | no data |
| 1983 | May 5 | no data | Apr 14 | no data |
| 1977 | May 12 | no data | Apr 18 | no data |
| 1976 | Jun 26 | no data | Apr 14 | no data |
| 1975 | May 25 | Oct 23 | Apr 20 | Nov 12 |
| 1974 | May 17 | Oct 5 | Apr 13 | Oct 5 |
| 1973 | no data | Oct 2 | no data | Oct 3 |
| 1972 | May 25 | Sep 25 | Apr 30 | Sep 25 |
| 1971 | May 10 | Sep 18 | Apr 12 | Oct 16 |
| 1970 | Jul 13 | Sep 9 | Apr 17 | Sep 13 |
| 1969 | May 4 | Sep 15 | Apr 30 | Oct 11 |
| 1968 | May 8 | Oct 2 | Apr 22 | Nov 4 |
| 1967 | May 13 | Oct 15 | Apr 20 | Nov 2 |
| 1966 | Jun 1 | Oct 9 | Apr 20 | Oct 14 |
| 1965 | May 17 | Aug 30 | May 8 | Sep 17 |
| 1964 | May 26 | Sep 18 | May 23 | Oct 26 |
| 1963 | no data | Oct 19 | no data | Oct 26 |
| 1962 | May 5 | no data | May 4 | no data |
| 1961 | Apr 27 | Sep 22 | Apr 25 | Sep 26 |
| 1960 | May 24 | Sep 7 | May 22 | Oct 10 |
| 1959 | May 29 | Sep 9 | Apr 19 | Oct 1 |
| 1958 | May 13 | Sep 24 | May 13 | Oct 23 |
| 1957 | Apr 27 | Oct 4 | Apr 20 | Nov 1 |
| 1956 | May 1 | Sep 22 | Apr 17 | Oct 22 |
| 1955 | Jun 16 | Sep 22 | May 9 | Nov 12 |
| 1954 | Jun 18 | Sep 29 | May 1 | Sep 30 |
| 1953 | Jun 3 | Sep 26 | May 11 | Oct 22 |
| 1952 | no data | Aug 27 | no data | Sep 10 |
| 1951 | Jun 8 | Aug 23 | May 30 | Sep 26 |
"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.