Frost history / Toledo Faa Ap, WA
Toledo Faa Ap, WA: frost dates by year
Last spring and first fall frost at NOAA station USW00024241, 1962 to 2006, measured from daily minimum temperatures.
Elevation 379 ft, 46.483, -122.817. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | May 7 | Oct 6 |
| Earliest | Mar 24 (2003) | Aug 18 (1973) |
| Latest | Jul 1 (1966) | Nov 3 (1977) |
| Trend | 7.1 days earlier per decade | 1.9 days earlier per decade |
| Years with data | 37 | 33 |
At 28°F (hard freeze) the median last spring date is Apr 3 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 9 | no data | May 2 | no data |
| 2004 | May 9 | no data | Mar 21 | no data |
| 2003 | Mar 24 | no data | Feb 25 | no data |
| 2002 | Apr 8 | Oct 2 | Apr 3 | Oct 30 |
| 2001 | Apr 14 | no data | Mar 4 | no data |
| 2000 | Apr 24 | no data | Mar 6 | no data |
| 1999 | Apr 11 | Sep 27 | Apr 11 | Oct 15 |
| 1996 | May 9 | Oct 17 | Mar 26 | Oct 31 |
| 1995 | Apr 16 | Oct 19 | Mar 29 | Oct 30 |
| 1994 | no data | Oct 3 | no data | Oct 5 |
| 1993 | Apr 19 | Sep 21 | Mar 28 | Nov 14 |
| 1992 | May 21 | Oct 6 | May 21 | Oct 15 |
| 1991 | Jun 4 | Sep 21 | Apr 11 | Oct 30 |
| 1990 | Apr 30 | Oct 6 | Mar 27 | Oct 7 |
| 1989 | Apr 17 | Sep 19 | Mar 20 | Oct 3 |
| 1988 | Apr 26 | Sep 11 | Mar 17 | Sep 18 |
| 1987 | Apr 25 | Oct 10 | Apr 19 | Oct 10 |
| 1986 | May 16 | Sep 11 | Apr 24 | Oct 12 |
| 1983 | Apr 25 | Sep 19 | Apr 13 | Sep 28 |
| 1981 | Apr 25 | Oct 13 | Apr 13 | Oct 22 |
| 1980 | May 16 | Oct 9 | Apr 2 | Nov 12 |
| 1979 | Apr 7 | Nov 1 | Mar 13 | Nov 1 |
| 1978 | May 5 | Oct 21 | Mar 2 | Nov 9 |
| 1977 | May 12 | Nov 3 | Apr 19 | Nov 8 |
| 1976 | Jun 5 | Oct 17 | Apr 2 | Oct 18 |
| 1975 | May 25 | Oct 23 | Apr 29 | Nov 18 |
| 1974 | Apr 13 | Oct 4 | Mar 21 | Oct 6 |
| 1973 | May 21 | Aug 18 | Apr 28 | Nov 2 |
| 1972 | May 10 | no data | Apr 30 | no data |
| 1971 | May 21 | Sep 18 | Apr 21 | Oct 16 |
| 1970 | May 11 | Sep 13 | Apr 14 | Sep 13 |
| 1969 | May 15 | Sep 14 | Mar 24 | Oct 14 |
| 1968 | May 2 | Oct 5 | Apr 22 | Nov 1 |
| 1967 | May 25 | Nov 2 | Apr 15 | Nov 4 |
| 1966 | Jul 1 | Oct 14 | Apr 19 | Nov 22 |
| 1965 | no data | Sep 17 | no data | Nov 29 |
| 1964 | May 15 | Oct 18 | Apr 18 | Nov 15 |
| 1963 | May 4 | Oct 19 | Apr 2 | Nov 28 |
| 1962 | May 7 | Oct 16 | Mar 29 | Nov 28 |
"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.