Frost history / Beaver Falls, AK
Beaver Falls, AK: frost dates by year
Last spring and first fall frost at NOAA station USC00500657, 1951 to 2016, measured from daily minimum temperatures.
Elevation 35 ft, 55.358, -131.697. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Apr 20 | Oct 30 |
| Earliest | Jan 8 (2016) | Sep 26 (1972) |
| Latest | May 23 (1964) | Dec 4 (2009) |
| Trend | 7.8 days earlier per decade | 3.1 days later per decade |
| Years with data | 48 | 53 |
At 28°F (hard freeze) the median last spring date is Mar 19 and the median first fall date is Nov 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 |
|---|---|---|---|---|
| 2016 | Jan 8 | Nov 20 | Jan 5 | Dec 5 |
| 2015 | Mar 16 | Nov 24 | Jan 5 | Nov 26 |
| 2014 | Mar 23 | Nov 12 | Mar 6 | Nov 28 |
| 2013 | no data | Nov 11 | no data | Nov 18 |
| 2012 | Mar 25 | no data | Mar 6 | no data |
| 2010 | Mar 10 | Nov 18 | Jan 2 | Nov 22 |
| 2009 | no data | Dec 4 | no data | Dec 5 |
| 2004 | no data | Nov 5 | no data | Dec 5 |
| 2003 | Apr 4 | Oct 13 | Mar 13 | Oct 13 |
| 2002 | no data | Oct 30 | no data | Dec 3 |
| 2001 | no data | Nov 25 | no data | Nov 26 |
| 2000 | Apr 16 | no data | Mar 8 | no data |
| 1999 | Apr 27 | no data | Mar 10 | no data |
| 1998 | Apr 12 | Nov 9 | Mar 7 | Nov 15 |
| 1997 | Apr 19 | Oct 11 | Mar 16 | Dec 20 |
| 1996 | Apr 3 | Oct 29 | Mar 31 | Nov 15 |
| 1991 | no data | Oct 17 | no data | Oct 26 |
| 1990 | Apr 6 | Oct 8 | Mar 24 | Oct 8 |
| 1989 | Apr 28 | Oct 27 | Mar 28 | Nov 11 |
| 1988 | Apr 12 | Oct 28 | Feb 22 | Nov 26 |
| 1987 | May 3 | Nov 1 | Apr 20 | Dec 16 |
| 1986 | May 13 | Oct 31 | Mar 21 | Nov 8 |
| 1985 | May 15 | Oct 29 | Apr 17 | Nov 9 |
| 1984 | May 3 | Oct 20 | Mar 15 | Oct 28 |
| 1983 | Apr 10 | Nov 20 | Mar 7 | Nov 21 |
| 1982 | May 14 | Oct 17 | Mar 19 | Nov 19 |
| 1981 | Apr 14 | Nov 7 | Apr 10 | Dec 9 |
| 1980 | Apr 8 | Nov 29 | Mar 13 | Dec 1 |
| 1979 | Apr 19 | Nov 2 | Mar 31 | Nov 27 |
| 1978 | Apr 16 | Nov 9 | Mar 12 | Nov 10 |
| 1977 | Apr 20 | Nov 6 | Mar 15 | Nov 9 |
| 1976 | no data | Oct 19 | no data | Dec 17 |
| 1975 | Apr 27 | Oct 27 | Apr 5 | Nov 28 |
| 1974 | Apr 1 | Nov 12 | Mar 19 | Dec 22 |
| 1973 | Apr 21 | Oct 15 | Mar 7 | Oct 15 |
| 1972 | Apr 29 | Sep 26 | Apr 6 | Oct 10 |
| 1971 | May 15 | Oct 26 | Mar 30 | Oct 27 |
| 1970 | Apr 25 | Nov 14 | Mar 2 | Nov 20 |
| 1969 | May 6 | Oct 25 | Mar 19 | Dec 16 |
| 1968 | Apr 16 | Oct 26 | Apr 12 | Nov 16 |
| 1967 | Apr 21 | Nov 3 | Apr 10 | Nov 25 |
| 1966 | Apr 16 | Oct 19 | Apr 12 | Oct 27 |
| 1965 | May 13 | Nov 11 | Apr 2 | Nov 23 |
| 1964 | May 23 | Nov 12 | Mar 25 | Nov 13 |
| 1963 | Apr 19 | Nov 6 | Feb 5 | Nov 17 |
| 1962 | May 3 | Nov 27 | Mar 27 | Dec 7 |
| 1961 | Apr 18 | Oct 20 | Mar 13 | Nov 2 |
| 1960 | no data | Nov 8 | no data | Dec 16 |
| 1959 | Apr 28 | Oct 7 | Mar 19 | Nov 12 |
| 1958 | Apr 26 | Oct 9 | Mar 21 | Oct 9 |
| 1957 | Apr 13 | Oct 6 | Mar 28 | Dec 19 |
| 1956 | May 2 | Oct 23 | Mar 21 | Oct 27 |
| 1955 | no data | Oct 22 | no data | Nov 1 |
| 1954 | May 21 | Oct 3 | May 1 | Dec 4 |
| 1953 | Apr 30 | Oct 29 | Apr 13 | Nov 6 |
| 1952 | May 9 | Nov 14 | Apr 6 | Nov 15 |
| 1951 | May 1 | no data | Mar 16 | 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.