Frost history / Laurel Mtn, OR
Laurel Mtn, OR: frost dates by year
Last spring and first fall frost at NOAA station USC00354776, 1978 to 2016, measured from daily minimum temperatures.
Elevation 3,589 ft, 44.923, -123.575. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | May 23 | Oct 23 |
| Earliest | Apr 29 (2015) | Sep 27 (1999) |
| Latest | Jun 10 (2012) | Dec 8 (1997) |
| Trend | 2.1 days earlier per decade | 0.9 days later per decade |
| Years with data | 29 | 34 |
At 28°F (hard freeze) the median last spring date is Apr 26 and the median first fall date is Nov 16.
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 |
|---|---|---|---|---|
| 2016 | Apr 30 | Oct 10 | Apr 26 | Dec 5 |
| 2015 | Apr 29 | Nov 4 | Apr 16 | Nov 16 |
| 2014 | May 11 | Nov 11 | Apr 27 | Nov 11 |
| 2013 | May 23 | Nov 4 | May 1 | Nov 21 |
| 2012 | Jun 10 | Oct 21 | May 11 | Nov 9 |
| 2011 | May 30 | Oct 26 | May 13 | Nov 5 |
| 2010 | May 25 | Oct 26 | May 6 | Nov 19 |
| 2009 | May 21 | Oct 12 | Apr 26 | Nov 13 |
| 2008 | no data | Oct 10 | no data | Dec 13 |
| 2005 | no data | Nov 3 | no data | Nov 8 |
| 2004 | no data | Nov 1 | no data | Nov 20 |
| 2001 | no data | Oct 24 | no data | Nov 25 |
| 2000 | May 30 | no data | Jan 16 | no data |
| 1999 | Jun 8 | Sep 27 | May 13 | Nov 5 |
| 1998 | May 26 | Oct 18 | Apr 13 | Nov 29 |
| 1997 | May 2 | Dec 8 | Apr 11 | Dec 9 |
| 1996 | May 10 | Oct 16 | Mar 30 | Nov 20 |
| 1995 | Jun 6 | Oct 30 | Apr 21 | Nov 1 |
| 1994 | May 27 | Oct 29 | Apr 14 | Nov 2 |
| 1993 | May 4 | Nov 5 | Apr 13 | Nov 22 |
| 1992 | May 21 | Oct 14 | Apr 22 | Nov 10 |
| 1991 | no data | Oct 23 | no data | Oct 29 |
| 1990 | May 20 | Oct 6 | Apr 28 | Nov 20 |
| 1989 | May 24 | Oct 27 | Apr 3 | Dec 11 |
| 1988 | Jun 5 | Nov 7 | May 5 | Nov 23 |
| 1987 | May 19 | Nov 14 | Apr 20 | Nov 16 |
| 1986 | May 22 | Nov 7 | May 5 | Nov 10 |
| 1985 | May 15 | Oct 8 | May 11 | Oct 8 |
| 1984 | May 31 | Oct 14 | Apr 26 | Oct 29 |
| 1983 | May 16 | Oct 15 | May 8 | Nov 29 |
| 1982 | May 27 | Oct 17 | May 8 | Nov 9 |
| 1981 | May 16 | Oct 11 | Apr 13 | Nov 14 |
| 1980 | Jun 3 | Nov 9 | Apr 8 | Nov 30 |
| 1979 | May 29 | Oct 20 | Apr 20 | Nov 18 |
| 1978 | no data | Oct 21 | no data | Nov 9 |
"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.