Frost history / Entiat Fish Hatchery, WA
Entiat Fish Hatchery, WA: frost dates by year
Last spring and first fall frost at NOAA station USC00452563, 1989 to 2025, measured from daily minimum temperatures.
Elevation 1,027 ft, 47.698, -120.323. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Apr 19 | Oct 20 |
| Earliest | Mar 19 (2016) | Sep 27 (2000) |
| Latest | May 17 (2003) | Nov 11 (2014) |
| Trend | 5.2 days earlier per decade | 1.3 days later per decade |
| Years with data | 31 | 32 |
At 28°F (hard freeze) the median last spring date is Mar 31 and the median first fall date is Oct 31.
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 |
|---|---|---|---|---|
| 2025 | Apr 10 | Oct 15 | Mar 14 | Nov 30 |
| 2024 | Apr 9 | Oct 25 | Mar 8 | Nov 28 |
| 2023 | Apr 20 | Oct 28 | Apr 18 | Oct 28 |
| 2022 | Apr 21 | Nov 3 | Apr 16 | Nov 3 |
| 2021 | Apr 15 | Oct 12 | Apr 12 | Nov 17 |
| 2020 | Apr 14 | Oct 23 | Apr 3 | Oct 25 |
| 2019 | Mar 28 | Oct 9 | Mar 16 | Oct 29 |
| 2018 | Apr 3 | Oct 3 | Mar 25 | Nov 8 |
| 2017 | Apr 11 | Oct 13 | Mar 7 | Dec 3 |
| 2016 | Mar 19 | Oct 12 | Feb 24 | Dec 2 |
| 2015 | Apr 6 | Nov 4 | Mar 5 | Nov 20 |
| 2014 | Mar 30 | Nov 11 | Mar 22 | Nov 12 |
| 2013 | May 1 | Oct 29 | Mar 26 | Oct 31 |
| 2012 | May 10 | Oct 20 | Apr 8 | Nov 11 |
| 2011 | Apr 29 | Oct 26 | Apr 7 | Oct 26 |
| 2010 | no data | Oct 16 | no data | Nov 9 |
| 2006 | May 9 | no data | Mar 20 | no data |
| 2005 | Apr 14 | Oct 27 | Apr 14 | Nov 8 |
| 2004 | Apr 16 | Oct 24 | Mar 20 | Oct 29 |
| 2003 | May 17 | Oct 30 | Apr 4 | Oct 31 |
| 2002 | May 8 | Oct 11 | Apr 25 | Oct 25 |
| 2001 | May 6 | Oct 24 | Apr 3 | Oct 28 |
| 2000 | Apr 29 | Sep 27 | Mar 20 | Sep 27 |
| 1999 | May 11 | Oct 15 | Mar 29 | Oct 16 |
| 1998 | Apr 15 | Oct 16 | Mar 31 | Oct 30 |
| 1997 | Apr 14 | Oct 20 | Apr 12 | Oct 24 |
| 1996 | no data | Oct 16 | no data | Oct 20 |
| 1995 | Apr 20 | Oct 22 | Apr 15 | Oct 29 |
| 1994 | Apr 7 | Oct 28 | Apr 7 | Nov 3 |
| 1993 | Apr 19 | Oct 30 | Mar 19 | Nov 6 |
| 1992 | Apr 23 | Oct 14 | Apr 5 | Oct 15 |
| 1991 | Apr 26 | no data | Apr 10 | no data |
| 1990 | Apr 30 | Oct 7 | Mar 27 | Nov 2 |
| 1989 | no data | Oct 15 | no data | Oct 30 |
"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.