Frost history / Long Creek, OR
Long Creek, OR: frost dates by year
Last spring and first fall frost at NOAA station USC00355020, 1958 to 2020, measured from daily minimum temperatures.
Elevation 3,740 ft, 44.714, -119.102. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Jun 17 | Sep 11 |
| Earliest | May 2 (2018) | Aug 1 (1963) |
| Latest | Jul 25 (1963) | Oct 6 (1990) |
| Trend | 5.9 days earlier per decade | 3.5 days later per decade |
| Years with data | 40 | 40 |
At 28°F (hard freeze) the median last spring date is May 14 and the median first fall date is Sep 24.
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 |
|---|---|---|---|---|
| 2020 | May 8 | Sep 8 | May 7 | Sep 8 |
| 2019 | May 18 | Oct 2 | May 2 | Oct 2 |
| 2018 | May 2 | Sep 17 | Apr 24 | Oct 5 |
| 2017 | Jun 10 | Sep 16 | May 14 | Sep 16 |
| 2016 | Jun 19 | Sep 12 | Apr 26 | Sep 13 |
| 2014 | Jun 18 | Sep 11 | Apr 29 | Nov 8 |
| 2013 | May 23 | Oct 1 | May 23 | Oct 2 |
| 2012 | Jun 20 | Sep 7 | Jun 5 | Sep 11 |
| 2011 | Jun 4 | Sep 1 | May 4 | Oct 25 |
| 2010 | Jun 15 | Sep 5 | May 9 | Oct 12 |
| 2009 | May 21 | no data | May 15 | no data |
| 2007 | no data | Sep 24 | no data | Oct 27 |
| 2000 | Jun 1 | no data | May 13 | no data |
| 1999 | Jul 3 | Sep 1 | Jun 9 | Sep 26 |
| 1997 | Jun 23 | Sep 19 | May 7 | Oct 16 |
| 1996 | Jun 19 | no data | Jun 18 | no data |
| 1995 | no data | Sep 21 | no data | Oct 5 |
| 1994 | no data | Sep 11 | no data | Oct 12 |
| 1993 | May 9 | Aug 25 | Apr 26 | Oct 20 |
| 1992 | May 27 | Sep 7 | May 21 | Sep 7 |
| 1991 | no data | Sep 14 | no data | Sep 21 |
| 1990 | Jun 12 | Oct 6 | May 9 | Oct 7 |
| 1988 | May 17 | no data | May 2 | no data |
| 1987 | Jun 2 | Sep 16 | May 21 | Sep 28 |
| 1986 | Jun 21 | no data | May 16 | no data |
| 1983 | Jun 24 | Sep 20 | May 13 | Sep 20 |
| 1982 | Jul 23 | no data | May 19 | no data |
| 1981 | Jul 8 | Sep 23 | May 12 | Sep 24 |
| 1980 | Jun 5 | Aug 29 | Apr 30 | Oct 9 |
| 1979 | Jul 2 | Sep 11 | May 30 | Oct 30 |
| 1978 | May 31 | Sep 16 | May 4 | Sep 16 |
| 1977 | Jun 2 | Sep 1 | May 30 | Oct 3 |
| 1976 | Jul 2 | Sep 7 | Jun 25 | Sep 8 |
| 1975 | Jun 30 | no data | May 12 | no data |
| 1974 | Jun 26 | Sep 12 | May 31 | Sep 13 |
| 1973 | no data | Sep 2 | no data | Sep 16 |
| 1972 | no data | Sep 10 | no data | Sep 24 |
| 1971 | Jul 3 | Sep 13 | May 30 | Sep 17 |
| 1970 | May 31 | Sep 9 | May 30 | Sep 9 |
| 1969 | no data | Aug 6 | no data | Aug 29 |
| 1968 | Jun 30 | no data | May 30 | no data |
| 1967 | Jun 5 | Sep 12 | May 25 | Sep 13 |
| 1966 | Jul 23 | Aug 11 | Jun 1 | Oct 3 |
| 1965 | no data | Aug 29 | no data | Aug 30 |
| 1964 | Jul 24 | Aug 27 | May 25 | Sep 9 |
| 1963 | Jul 25 | Aug 1 | Apr 28 | Oct 19 |
| 1962 | Jul 19 | Aug 30 | Jul 2 | Sep 9 |
| 1961 | no data | Sep 3 | no data | Sep 12 |
| 1958 | May 14 | no data | May 13 | no data |
"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.