Frost history / Independence, CA
Independence, CA: frost dates by year
Last spring and first fall frost at NOAA station USC00044232, 1970 to 2017, measured from daily minimum temperatures.
Elevation 3,950 ft, 36.798, -118.204. Download the data (JSON) · NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Apr 7 | Nov 4 |
| Earliest | Feb 11 (1986) | Oct 11 (2000) |
| Latest | May 25 (1980) | Nov 26 (1981) |
| Trend | 5.7 days earlier per decade | 1.5 days later per decade |
| Years with data | 43 | 42 |
At 28°F (hard freeze) the median last spring date is Mar 16 and the median first fall date is Nov 15.
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 |
|---|---|---|---|---|
| 2017 | Mar 7 | no data | Mar 7 | no data |
| 2016 | Feb 27 | Nov 17 | Feb 5 | Nov 18 |
| 2015 | Apr 9 | Nov 6 | Mar 6 | Nov 6 |
| 2014 | Apr 2 | Nov 5 | Feb 8 | Nov 18 |
| 2013 | Mar 9 | Nov 1 | Mar 1 | Dec 5 |
| 2012 | Apr 13 | Nov 10 | Apr 7 | Nov 11 |
| 2011 | Apr 15 | Nov 4 | Apr 10 | Nov 6 |
| 2010 | Apr 7 | Oct 29 | Apr 7 | Nov 11 |
| 2009 | Apr 16 | Oct 29 | Apr 6 | Nov 15 |
| 2008 | Mar 18 | no data | Mar 7 | no data |
| 2006 | Apr 7 | Nov 25 | Mar 23 | Nov 27 |
| 2005 | no data | Nov 23 | no data | Nov 28 |
| 2004 | Mar 1 | Oct 29 | Feb 16 | Nov 23 |
| 2003 | Apr 7 | Oct 31 | Mar 4 | Oct 31 |
| 2002 | Apr 19 | Nov 2 | Mar 18 | Dec 12 |
| 2001 | Apr 9 | Nov 20 | Mar 2 | Nov 26 |
| 2000 | Mar 11 | Oct 11 | Mar 11 | Nov 10 |
| 1999 | Apr 11 | Nov 19 | Apr 11 | Nov 23 |
| 1998 | May 14 | no data | Apr 8 | no data |
| 1996 | Mar 29 | Oct 22 | Feb 28 | Nov 16 |
| 1995 | Mar 26 | Oct 24 | Mar 24 | Dec 18 |
| 1994 | Mar 25 | Nov 4 | Mar 23 | Nov 4 |
| 1993 | Mar 2 | Nov 9 | Mar 1 | Nov 15 |
| 1992 | no data | Nov 11 | no data | Nov 11 |
| 1991 | Apr 12 | Oct 28 | Apr 12 | Oct 31 |
| 1990 | Mar 14 | Nov 7 | Mar 14 | Nov 21 |
| 1989 | Mar 17 | Oct 26 | Feb 16 | Oct 30 |
| 1988 | Mar 15 | Nov 15 | Mar 12 | Nov 15 |
| 1987 | Mar 29 | Nov 19 | Mar 20 | Nov 27 |
| 1986 | Feb 11 | Nov 7 | Feb 10 | Nov 7 |
| 1985 | Mar 26 | Oct 22 | Mar 8 | Nov 13 |
| 1984 | Apr 26 | Oct 16 | Feb 23 | Nov 25 |
| 1983 | Apr 14 | Nov 22 | Feb 4 | Nov 22 |
| 1982 | Apr 7 | Nov 3 | Apr 7 | Nov 10 |
| 1981 | Mar 14 | Nov 26 | Feb 7 | Nov 26 |
| 1980 | May 25 | Nov 14 | Mar 26 | Nov 19 |
| 1979 | Apr 3 | Oct 31 | Mar 16 | Nov 14 |
| 1978 | Apr 17 | Oct 31 | Apr 17 | Oct 31 |
| 1977 | May 7 | Nov 9 | Mar 31 | Nov 20 |
| 1976 | Apr 27 | Oct 30 | Apr 17 | Nov 27 |
| 1975 | Apr 17 | Oct 24 | Apr 16 | Oct 24 |
| 1974 | Apr 26 | Nov 1 | Mar 5 | Nov 24 |
| 1973 | May 1 | Nov 4 | Mar 21 | Nov 4 |
| 1972 | Apr 20 | no data | Mar 28 | no data |
| 1971 | Apr 22 | Oct 17 | Mar 19 | Oct 17 |
| 1970 | no data | Oct 27 | no data | Oct 28 |
"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 1991–2020 frost probabilities.