Frost history / Eltopia 8 Wsw, WA
Eltopia 8 Wsw, WA: frost dates by year
Last spring and first fall frost at NOAA station USC00452542, 1974 to 2006, measured from daily minimum temperatures.
Elevation 700 ft, 46.399, -119.156. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Apr 29 | Oct 16 |
| Earliest | Mar 27 (1994) | Sep 24 (2000) |
| Latest | Jun 13 (1981) | Oct 31 (2003) |
| Trend | 4.9 days earlier per decade | 1.3 days later per decade |
| Years with data | 31 | 33 |
At 28°F (hard freeze) the median last spring date is Apr 8 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 |
|---|---|---|---|---|
| 2006 | May 2 | Oct 9 | Mar 19 | Oct 30 |
| 2005 | Apr 18 | Oct 27 | Mar 18 | Nov 8 |
| 2004 | Apr 1 | Oct 28 | Feb 21 | Nov 4 |
| 2003 | May 8 | Oct 31 | Apr 4 | Oct 31 |
| 2002 | May 8 | Oct 11 | Apr 3 | Oct 24 |
| 2001 | May 6 | Oct 17 | Apr 14 | Nov 7 |
| 2000 | Apr 29 | Sep 24 | Mar 30 | Nov 10 |
| 1999 | May 13 | Oct 15 | Apr 9 | Oct 16 |
| 1998 | Apr 17 | Oct 16 | Mar 30 | Oct 30 |
| 1997 | Apr 12 | Oct 20 | Apr 12 | Nov 11 |
| 1996 | May 8 | Oct 16 | Mar 30 | Oct 20 |
| 1995 | Apr 19 | Oct 22 | Mar 30 | Oct 29 |
| 1994 | Mar 27 | Oct 25 | Mar 26 | Nov 2 |
| 1993 | Apr 19 | Oct 26 | Apr 19 | Nov 1 |
| 1992 | Apr 23 | Oct 14 | Feb 23 | Oct 15 |
| 1991 | Apr 26 | Oct 22 | Apr 8 | Oct 28 |
| 1990 | May 8 | Oct 7 | Mar 27 | Nov 2 |
| 1989 | Apr 3 | Oct 15 | Apr 3 | Oct 30 |
| 1988 | May 2 | Oct 27 | Apr 8 | Oct 27 |
| 1987 | no data | Oct 13 | no data | Nov 17 |
| 1986 | May 11 | Oct 13 | Apr 24 | Nov 9 |
| 1985 | May 12 | Sep 29 | May 11 | Oct 8 |
| 1984 | Apr 28 | Oct 13 | Mar 5 | Oct 17 |
| 1983 | Apr 25 | Sep 29 | Apr 14 | Nov 26 |
| 1982 | May 5 | Oct 18 | Apr 21 | Oct 18 |
| 1981 | Jun 13 | Oct 14 | May 5 | Oct 21 |
| 1980 | Apr 11 | Oct 22 | Apr 7 | Oct 22 |
| 1979 | Apr 20 | Oct 29 | Apr 18 | Nov 1 |
| 1978 | May 23 | Oct 22 | Apr 13 | Oct 22 |
| 1977 | May 6 | Oct 6 | Apr 14 | Oct 31 |
| 1976 | Apr 25 | Oct 18 | Apr 21 | Oct 19 |
| 1975 | May 19 | Oct 22 | Apr 20 | Oct 24 |
| 1974 | no data | Oct 6 | 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.