Frost history / Kenai 29 Ene, AK
Kenai 29 Ene, AK: frost dates by year
Last spring and first fall frost at NOAA station USW00026563, 2011 to 2024, measured from daily minimum temperatures.
Elevation 282 ft, 60.724, -150.448. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Jun 13 | Aug 28 |
| Earliest | May 25 (2016) | Aug 11 (2011) |
| Latest | Jul 27 (2022) | Sep 25 (2022) |
| Trend | 12.0 days later per decade | 12.5 days later per decade |
| Years with data | 14 | 14 |
At 28°F (hard freeze) the median last spring date is May 18 and the median first fall date is Sep 19.
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 | Jun 19 | Aug 23 | May 20 | Sep 20 |
| 2023 | Jun 17 | Sep 7 | May 21 | Sep 19 |
| 2022 | Jul 27 | Sep 25 | May 18 | Oct 10 |
| 2021 | Jun 13 | Aug 28 | May 24 | Aug 28 |
| 2020 | May 28 | Aug 28 | May 13 | Sep 11 |
| 2019 | Jun 10 | Aug 19 | May 5 | Sep 25 |
| 2018 | Jun 12 | Aug 29 | May 13 | Sep 26 |
| 2017 | Jun 16 | Sep 19 | May 5 | Oct 1 |
| 2016 | May 25 | Sep 1 | May 7 | Sep 26 |
| 2015 | May 28 | Aug 20 | May 18 | Sep 1 |
| 2014 | Jun 12 | Aug 31 | May 20 | Sep 1 |
| 2013 | Jun 6 | Aug 25 | May 26 | Sep 16 |
| 2012 | Jun 16 | Aug 22 | May 18 | Sep 9 |
| 2011 | Jun 17 | Aug 11 | May 24 | Sep 25 |
"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.