Frost history / Barstow, CA
Barstow, CA: frost dates by year
Last spring and first fall frost at NOAA station USC00040521, 1980 to 2025, measured from daily minimum temperatures.
Elevation 2,220 ft, 34.893, -117.022. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Mar 2 | Nov 20 |
| Earliest | Jan 22 (2015) | Oct 3 (1982) |
| Latest | Apr 22 (1988) | Dec 26 (2014) |
| Trend | 8.9 days earlier per decade | 1.6 days later per decade |
| Years with data | 38 | 42 |
At 28°F (hard freeze) the median last spring date is Feb 10 and the median first fall date is Dec 3.
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 |
|---|---|---|---|---|
| 2025 | Feb 9 | Dec 2 | Jan 24 | none |
| 2024 | Feb 13 | Nov 17 | Jan 9 | Dec 11 |
| 2023 | Mar 2 | Nov 10 | Feb 2 | Dec 10 |
| 2022 | Mar 8 | Nov 12 | Feb 27 | Nov 20 |
| 2021 | Mar 1 | Nov 26 | Feb 26 | Dec 11 |
| 2020 | Feb 12 | Nov 9 | Feb 5 | Nov 29 |
| 2019 | Feb 23 | Nov 1 | Feb 23 | Nov 1 |
| 2018 | Feb 26 | Nov 10 | Feb 24 | Dec 16 |
| 2017 | Feb 24 | Nov 19 | none | Dec 12 |
| 2016 | Feb 5 | Nov 25 | Feb 3 | Nov 30 |
| 2015 | Jan 22 | Nov 11 | Jan 3 | Nov 30 |
| 2014 | Feb 4 | Dec 26 | Feb 2 | Dec 28 |
| 2013 | Mar 8 | Dec 6 | Feb 12 | Dec 6 |
| 2012 | Mar 8 | Nov 11 | Mar 3 | Dec 20 |
| 2011 | Apr 9 | Nov 8 | Feb 11 | Dec 4 |
| 2010 | Mar 14 | Nov 25 | Jan 5 | Nov 25 |
| 2009 | Mar 10 | Nov 16 | Jan 28 | Dec 8 |
| 2008 | Mar 6 | Dec 10 | Feb 1 | Dec 18 |
| 2007 | Mar 2 | Nov 23 | Feb 3 | Dec 14 |
| 2006 | Mar 14 | Nov 29 | Feb 22 | Nov 30 |
| 2005 | Jan 31 | Nov 27 | none | Nov 28 |
| 2004 | Feb 14 | Nov 22 | Feb 13 | Nov 30 |
| 2003 | Feb 10 | Nov 23 | Feb 9 | Nov 24 |
| 2002 | Mar 19 | Dec 12 | Mar 4 | Dec 19 |
| 2001 | no data | Nov 28 | no data | Nov 28 |
| 1999 | Apr 10 | Nov 23 | Feb 16 | Nov 23 |
| 1997 | Mar 1 | Nov 18 | Mar 1 | Dec 13 |
| 1996 | Feb 27 | Nov 30 | Jan 23 | Dec 3 |
| 1995 | Apr 17 | Dec 17 | Mar 23 | Dec 18 |
| 1994 | no data | Nov 7 | no data | Nov 15 |
| 1993 | Mar 2 | Nov 17 | Jan 5 | Nov 25 |
| 1992 | no data | Nov 26 | no data | Dec 22 |
| 1991 | Mar 27 | Nov 1 | Mar 2 | Dec 17 |
| 1990 | no data | Nov 27 | no data | Nov 27 |
| 1989 | Mar 13 | Nov 5 | Mar 13 | Nov 30 |
| 1988 | Apr 22 | Nov 19 | Mar 30 | Nov 20 |
| 1987 | Mar 21 | Nov 14 | Feb 27 | Nov 26 |
| 1986 | Feb 12 | Dec 1 | Feb 9 | Dec 11 |
| 1985 | no data | Nov 4 | no data | Nov 11 |
| 1984 | Apr 19 | no data | Mar 22 | no data |
| 1983 | Apr 7 | no data | Jan 21 | no data |
| 1982 | Apr 1 | Oct 3 | Jan 30 | Dec 23 |
| 1981 | Feb 27 | Nov 26 | Feb 1 | Dec 23 |
| 1980 | no data | Nov 14 | no data | Nov 18 |
"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.