Frost history / Mc Minnville, OR
Mc Minnville, OR: frost dates by year
Last spring and first fall frost at NOAA station USC00355384, 1951 to 2012, measured from daily minimum temperatures.
Elevation 155 ft, 45.221, -123.162. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | May 1 | Oct 16 |
| Earliest | Mar 23 (1989) | Aug 13 (1955) |
| Latest | Jun 27 (1965) | Dec 5 (1998) |
| Trend | 6.5 days earlier per decade | 10.0 days later per decade |
| Years with data | 43 | 44 |
At 28°F (hard freeze) the median last spring date is Apr 2 and the median first fall date is Nov 13.
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 |
|---|---|---|---|---|
| 2012 | May 9 | Nov 24 | Mar 6 | Dec 30 |
| 2011 | no data | Oct 25 | no data | Nov 1 |
| 2010 | Mar 31 | no data | Feb 21 | no data |
| 2009 | Apr 24 | Nov 13 | Apr 4 | Dec 3 |
| 2007 | no data | Oct 29 | no data | Nov 25 |
| 1998 | Apr 1 | Dec 5 | Mar 30 | Dec 18 |
| 1997 | no data | Nov 28 | no data | Dec 25 |
| 1991 | Apr 12 | Oct 31 | Jan 30 | Nov 30 |
| 1989 | Mar 23 | Oct 15 | Mar 5 | Nov 2 |
| 1988 | Apr 8 | Nov 26 | Mar 15 | Dec 4 |
| 1987 | Apr 21 | Nov 28 | Feb 25 | Nov 28 |
| 1986 | Apr 24 | Nov 10 | Feb 10 | Dec 7 |
| 1985 | May 12 | Oct 9 | Mar 11 | Oct 9 |
| 1984 | Apr 27 | Oct 22 | Apr 26 | Dec 6 |
| 1983 | Apr 14 | Oct 16 | Apr 12 | Dec 21 |
| 1982 | Apr 29 | Nov 9 | Apr 19 | Nov 11 |
| 1981 | Apr 13 | Oct 11 | Mar 17 | none |
| 1980 | Apr 7 | Oct 16 | Apr 2 | Dec 7 |
| 1979 | Apr 7 | Nov 8 | Feb 3 | Nov 13 |
| 1977 | Apr 19 | Nov 3 | Apr 19 | Nov 8 |
| 1976 | Jun 3 | Oct 21 | Mar 12 | Nov 26 |
| 1975 | May 25 | Oct 31 | Apr 20 | Nov 13 |
| 1974 | May 17 | Oct 5 | Mar 8 | Nov 16 |
| 1973 | Jun 10 | no data | Apr 28 | no data |
| 1972 | Apr 30 | Sep 26 | Apr 22 | Oct 30 |
| 1971 | May 20 | Sep 30 | Apr 21 | Oct 17 |
| 1970 | May 13 | Sep 14 | Apr 21 | Sep 15 |
| 1969 | Apr 30 | Sep 15 | Mar 14 | Oct 31 |
| 1968 | Apr 24 | Oct 2 | Apr 22 | Oct 31 |
| 1967 | May 1 | Oct 20 | Apr 16 | Dec 12 |
| 1966 | May 28 | Oct 9 | May 27 | Oct 18 |
| 1965 | Jun 27 | Sep 17 | May 6 | Nov 25 |
| 1964 | May 25 | Oct 17 | May 3 | Oct 26 |
| 1963 | Apr 20 | Oct 27 | Apr 2 | Nov 20 |
| 1962 | May 4 | Oct 16 | Mar 13 | Dec 11 |
| 1961 | Apr 10 | Sep 22 | Feb 26 | Sep 26 |
| 1960 | May 22 | Sep 6 | Mar 18 | Oct 8 |
| 1959 | May 3 | Oct 29 | Apr 6 | Oct 29 |
| 1958 | May 13 | Sep 23 | Mar 16 | Nov 16 |
| 1957 | Apr 20 | Oct 15 | Mar 26 | Nov 1 |
| 1956 | May 13 | Sep 22 | Apr 6 | Oct 28 |
| 1955 | May 24 | Aug 13 | Apr 24 | Nov 12 |
| 1954 | May 22 | Oct 2 | May 1 | Oct 24 |
| 1953 | May 11 | Sep 25 | Apr 10 | Nov 2 |
| 1952 | May 9 | Oct 13 | May 3 | Nov 7 |
| 1951 | May 29 | Sep 26 | Mar 27 | Nov 15 |
"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.