Frost history / Sand Point 1 Ene, AK
Sand Point 1 Ene, AK: frost dates by year
Last spring and first fall frost at NOAA station USW00025630, 2010 to 2024, measured from daily minimum temperatures.
Elevation 240 ft, 55.347, -160.466. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | May 6 | Oct 26 |
| Earliest | Mar 24 (2016) | Oct 9 (2024) |
| Latest | May 24 (2012) | Nov 22 (2018) |
| Trend | 8.6 days earlier per decade | 5.2 days earlier per decade |
| Years with data | 14 | 14 |
At 28°F (hard freeze) the median last spring date is Apr 24 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 |
|---|---|---|---|---|
| 2024 | no data | Oct 9 | no data | Nov 18 |
| 2023 | May 7 | no data | May 7 | no data |
| 2022 | May 15 | Oct 12 | Apr 9 | Nov 22 |
| 2021 | May 3 | Oct 20 | Apr 9 | Oct 28 |
| 2020 | May 4 | Nov 1 | Apr 29 | Nov 16 |
| 2019 | Apr 25 | Nov 14 | Apr 23 | Nov 14 |
| 2018 | May 6 | Nov 22 | Apr 6 | Nov 27 |
| 2017 | May 4 | Oct 21 | Apr 9 | Oct 22 |
| 2016 | Mar 24 | Oct 17 | Mar 22 | Nov 16 |
| 2015 | May 9 | Oct 31 | May 9 | Dec 11 |
| 2014 | Apr 21 | Oct 11 | Apr 19 | Dec 13 |
| 2013 | May 19 | Nov 1 | May 18 | Nov 18 |
| 2012 | May 24 | Oct 13 | May 14 | Oct 16 |
| 2011 | May 12 | Nov 1 | Apr 26 | Nov 8 |
| 2010 | May 21 | Nov 1 | May 2 | Nov 3 |
"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.