Frost history / Palmdale Ap, CA
Palmdale Ap, CA: frost dates by year
Last spring and first fall frost at NOAA station USW00023182, 1951 to 2024, measured from daily minimum temperatures.
Elevation 2,524 ft, 34.629, -118.084. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Apr 5 | Nov 6 |
| Earliest | Feb 3 (2014) | Oct 5 (1969) |
| Latest | May 2 (1953) | Dec 5 (2013) |
| Trend | 4.7 days earlier per decade | 1.6 days later per decade |
| Years with data | 49 | 49 |
At 28°F (hard freeze) the median last spring date is Mar 9 and the median first fall date is Nov 17.
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 | Apr 7 | Nov 7 | Feb 11 | Nov 17 |
| 2023 | Apr 6 | Oct 30 | Feb 19 | Nov 26 |
| 2022 | Mar 12 | Nov 4 | Mar 11 | Nov 17 |
| 2021 | Mar 21 | no data | Mar 1 | no data |
| 2020 | Mar 18 | Nov 9 | Feb 5 | Nov 10 |
| 2019 | Mar 16 | Oct 30 | Feb 23 | Oct 31 |
| 2018 | Mar 6 | Nov 10 | Mar 5 | Nov 12 |
| 2017 | Mar 6 | Nov 19 | none | Dec 5 |
| 2016 | Feb 20 | Nov 17 | Feb 4 | Nov 26 |
| 2015 | Mar 6 | Nov 5 | Jan 4 | Nov 12 |
| 2014 | Feb 3 | Nov 18 | Feb 2 | Dec 26 |
| 2013 | Mar 10 | Dec 5 | Feb 25 | Dec 5 |
| 2012 | Apr 7 | Nov 11 | Mar 8 | Nov 11 |
| 2011 | Apr 9 | Nov 3 | Feb 28 | Dec 3 |
| 2010 | Mar 15 | Nov 11 | Jan 5 | Nov 25 |
| 2009 | Apr 5 | Oct 29 | Mar 10 | Nov 16 |
| 2008 | Mar 17 | Oct 12 | Mar 6 | Dec 18 |
| 2007 | Mar 4 | Nov 22 | Feb 24 | Nov 22 |
| 2006 | Apr 18 | Nov 24 | Feb 23 | Nov 29 |
| 2005 | Apr 14 | Nov 17 | Mar 15 | Nov 19 |
| 2004 | Feb 28 | Nov 23 | Feb 14 | Nov 29 |
| 2003 | Mar 2 | Nov 4 | Feb 9 | Nov 23 |
| 2002 | Mar 25 | Nov 27 | Mar 19 | Dec 19 |
| 2001 | Apr 13 | Nov 26 | Feb 8 | Nov 28 |
| 2000 | Feb 19 | Oct 31 | Jan 29 | Nov 8 |
| 1999 | Apr 10 | Nov 18 | Apr 10 | Nov 23 |
| 1998 | no data | Nov 10 | no data | Nov 19 |
| 1973 | Apr 5 | Nov 4 | Apr 5 | Nov 4 |
| 1972 | Apr 14 | Oct 30 | Apr 14 | Oct 30 |
| 1971 | Apr 22 | Oct 17 | Apr 1 | Oct 29 |
| 1970 | Apr 23 | Oct 28 | Apr 15 | Oct 28 |
| 1969 | Apr 7 | Oct 5 | Mar 15 | Nov 18 |
| 1968 | Apr 23 | Nov 6 | Apr 18 | Nov 14 |
| 1967 | May 1 | Nov 27 | Mar 25 | Dec 2 |
| 1966 | Apr 20 | Oct 15 | Apr 20 | Nov 25 |
| 1965 | Apr 13 | Nov 26 | Mar 3 | Nov 29 |
| 1964 | Apr 7 | Nov 14 | Mar 25 | Nov 14 |
| 1963 | Apr 22 | Nov 16 | Apr 22 | Nov 16 |
| 1962 | Apr 21 | Nov 16 | Mar 24 | Nov 16 |
| 1961 | Mar 26 | Oct 23 | Mar 8 | Oct 29 |
| 1960 | Mar 10 | Nov 15 | Feb 24 | Nov 16 |
| 1959 | Mar 28 | Nov 6 | Feb 24 | Nov 7 |
| 1958 | Apr 8 | Nov 15 | Mar 10 | Nov 16 |
| 1957 | Apr 21 | Oct 21 | Mar 23 | Nov 17 |
| 1956 | Apr 4 | Oct 25 | Mar 16 | Nov 4 |
| 1955 | Apr 28 | Oct 28 | Apr 19 | Nov 15 |
| 1954 | May 1 | Oct 25 | Mar 15 | Oct 26 |
| 1953 | May 2 | Oct 23 | Apr 12 | Nov 7 |
| 1952 | Mar 23 | Nov 3 | Mar 23 | Nov 10 |
| 1951 | Apr 1 | Nov 3 | Mar 19 | Nov 17 |
"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.