Frost history / Homer 8 Nw, AK
Homer 8 Nw, AK: frost dates by year
Last spring and first fall frost at NOAA station USC00503672, 1979 to 2021, measured from daily minimum temperatures.
Elevation 1,080 ft, 59.744, -151.635. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | May 19 | Sep 26 |
| Earliest | Apr 18 (2005) | Aug 31 (1984) |
| Latest | Jul 31 (2003) | Oct 28 (2018) |
| Trend | 6.1 days earlier per decade | 6.4 days later per decade |
| Years with data | 41 | 38 |
At 28°F (hard freeze) the median last spring date is Apr 26 and the median first fall date is Oct 7.
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 |
|---|---|---|---|---|
| 2021 | May 16 | no data | Apr 11 | no data |
| 2020 | May 2 | Oct 15 | Apr 12 | Oct 17 |
| 2019 | May 4 | Oct 6 | Apr 26 | Oct 13 |
| 2018 | May 15 | Oct 28 | Apr 6 | Oct 29 |
| 2017 | May 2 | Oct 15 | Apr 18 | Oct 17 |
| 2016 | Apr 21 | Oct 15 | Apr 4 | Oct 16 |
| 2015 | May 4 | no data | Apr 22 | no data |
| 2014 | May 31 | Sep 22 | Apr 15 | Oct 5 |
| 2013 | May 20 | Sep 20 | May 20 | Sep 20 |
| 2012 | no data | Sep 29 | no data | Sep 30 |
| 2011 | May 11 | Sep 30 | May 4 | Oct 11 |
| 2010 | May 29 | Sep 26 | May 9 | Sep 27 |
| 2009 | May 19 | Sep 23 | May 1 | Oct 28 |
| 2008 | May 23 | Sep 30 | Apr 30 | Oct 6 |
| 2007 | May 18 | Oct 6 | Apr 17 | Oct 8 |
| 2006 | May 18 | Sep 30 | May 8 | Oct 23 |
| 2005 | Apr 18 | Oct 3 | Apr 17 | Oct 13 |
| 2004 | Apr 21 | no data | Apr 4 | no data |
| 2003 | Jul 31 | Sep 15 | Apr 16 | Sep 18 |
| 2002 | May 11 | no data | May 4 | no data |
| 2001 | May 22 | Oct 11 | May 10 | Oct 11 |
| 2000 | May 31 | Sep 18 | Apr 27 | Sep 29 |
| 1999 | May 28 | Sep 26 | May 8 | Oct 9 |
| 1998 | May 24 | Sep 28 | May 14 | Oct 3 |
| 1997 | May 18 | Oct 2 | Apr 22 | Oct 6 |
| 1996 | no data | Sep 19 | no data | Sep 22 |
| 1995 | Jun 2 | Oct 5 | Apr 14 | Oct 13 |
| 1994 | May 17 | Sep 27 | Apr 30 | Oct 10 |
| 1993 | May 2 | Sep 17 | Apr 21 | Sep 24 |
| 1992 | May 17 | Sep 10 | May 11 | Sep 10 |
| 1991 | Jun 9 | Oct 6 | Apr 23 | Oct 9 |
| 1990 | May 22 | Sep 25 | Apr 21 | Oct 2 |
| 1989 | May 19 | Oct 9 | May 9 | Oct 9 |
| 1988 | May 18 | Sep 22 | May 2 | Oct 9 |
| 1987 | Jun 18 | Aug 31 | Apr 28 | Oct 27 |
| 1986 | Jun 6 | Sep 24 | May 22 | Sep 26 |
| 1985 | Jun 17 | Sep 17 | May 20 | Oct 5 |
| 1984 | May 31 | Aug 31 | May 7 | Oct 12 |
| 1983 | Jun 5 | Sep 15 | Apr 22 | Sep 24 |
| 1982 | May 22 | Sep 23 | May 14 | Oct 4 |
| 1981 | May 22 | Sep 22 | Apr 16 | Sep 26 |
| 1980 | May 15 | Sep 2 | Apr 23 | Sep 2 |
| 1979 | Jun 18 | no data | Apr 26 | no data |
"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.