Frost history / Pelican, AK
Pelican, AK: frost dates by year
Last spring and first fall frost at NOAA station USC00507141, 1967 to 2024, measured from daily minimum temperatures.
Elevation 12 ft, 57.958, -136.221. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | May 7 | Oct 11 |
| Earliest | Apr 3 (2016) | Sep 9 (1970) |
| Latest | Jun 12 (1986) | Nov 2 (1979) |
| Trend | 1.6 days earlier per decade | 1.3 days later per decade |
| Years with data | 30 | 32 |
At 28°F (hard freeze) the median last spring date is Apr 15 and the median first fall date is Nov 4.
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 | May 2 | Oct 20 | Apr 16 | Oct 20 |
| 2023 | May 9 | Oct 22 | Apr 12 | Oct 22 |
| 2022 | no data | Nov 1 | no data | Nov 6 |
| 2021 | May 2 | no data | Apr 22 | no data |
| 2020 | Apr 12 | Oct 17 | Apr 12 | Oct 22 |
| 2019 | Apr 30 | Oct 8 | Mar 8 | Oct 8 |
| 2018 | May 3 | Sep 17 | Apr 17 | Nov 6 |
| 2016 | Apr 3 | Sep 29 | Feb 19 | Nov 17 |
| 2015 | May 5 | no data | Apr 13 | no data |
| 2014 | May 1 | Oct 8 | Apr 12 | Nov 13 |
| 2013 | May 21 | no data | Apr 30 | no data |
| 2012 | May 16 | Oct 19 | Apr 8 | Oct 23 |
| 2011 | May 16 | Oct 2 | Apr 20 | Nov 3 |
| 2010 | May 11 | Oct 22 | Apr 13 | Nov 18 |
| 2008 | May 20 | Oct 7 | Apr 21 | Nov 9 |
| 2007 | May 22 | Oct 20 | Apr 20 | Nov 9 |
| 2006 | May 17 | Oct 28 | Apr 15 | Oct 29 |
| 2004 | Apr 22 | Oct 17 | Mar 25 | Oct 19 |
| 2003 | no data | Oct 30 | no data | Oct 30 |
| 1987 | no data | Oct 8 | no data | Oct 30 |
| 1986 | Jun 12 | Sep 26 | Apr 16 | Oct 30 |
| 1985 | no data | Sep 18 | no data | Nov 4 |
| 1984 | May 6 | Oct 4 | Apr 26 | Oct 19 |
| 1983 | Apr 24 | Sep 27 | Apr 9 | Sep 27 |
| 1982 | May 16 | Oct 15 | Apr 22 | Oct 28 |
| 1981 | Jun 8 | Oct 2 | Apr 21 | Dec 9 |
| 1980 | May 23 | Sep 13 | Apr 15 | Nov 11 |
| 1979 | May 21 | Nov 2 | Apr 18 | Nov 3 |
| 1978 | May 6 | Oct 28 | Apr 16 | Nov 8 |
| 1974 | no data | Oct 3 | no data | Nov 21 |
| 1973 | Apr 17 | no data | Mar 20 | no data |
| 1972 | May 8 | no data | Apr 30 | no data |
| 1971 | no data | Oct 13 | no data | Oct 19 |
| 1970 | May 2 | Sep 9 | Apr 7 | Nov 16 |
| 1969 | May 12 | Oct 22 | Mar 18 | Nov 4 |
| 1968 | May 3 | Oct 9 | Apr 11 | Nov 13 |
| 1967 | no data | Oct 31 | no data | Nov 23 |
"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.