Frost history / Paradise, CA
Paradise, CA: frost dates by year
Last spring and first fall frost at NOAA station USC00046685, 1957 to 2017, measured from daily minimum temperatures.
Elevation 1,750 ft, 39.754, -121.624. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Mar 11 | Dec 1 |
| Earliest | Jan 2 (2015) | Oct 28 (1961) |
| Latest | May 4 (1964) | Dec 27 (2015) |
| Trend | 9.9 days earlier per decade | 3.3 days later per decade |
| Years with data | 56, 6 with no freeze | 55, 7 with no freeze |
At 28°F (hard freeze) the median last spring date is Feb 1 and the median first fall date is Dec 13.
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 | Feb 23 | no data | none | no data |
| 2016 | Feb 1 | no data | none | no data |
| 2015 | Jan 2 | Dec 27 | none | none |
| 2014 | none | no data | none | no data |
| 2013 | Feb 20 | Dec 4 | none | Dec 6 |
| 2012 | Jan 17 | no data | none | no data |
| 2011 | Feb 26 | none | Feb 26 | none |
| 2010 | none | Nov 24 | none | none |
| 2009 | none | Dec 7 | none | Dec 8 |
| 2008 | Jan 29 | Dec 18 | none | none |
| 2007 | no data | Dec 27 | no data | none |
| 2006 | no data | none | no data | none |
| 2005 | none | Dec 17 | none | none |
| 2004 | Feb 7 | none | none | none |
| 2003 | none | Nov 22 | none | none |
| 2002 | Mar 18 | Dec 20 | Jan 31 | none |
| 2001 | Apr 3 | Dec 15 | Jan 10 | none |
| 2000 | none | Nov 11 | none | none |
| 1999 | Apr 9 | Dec 10 | none | none |
| 1998 | Mar 6 | Dec 4 | none | Dec 6 |
| 1997 | Feb 20 | Dec 9 | Jan 14 | none |
| 1996 | Apr 20 | none | Feb 25 | none |
| 1995 | Apr 9 | none | none | none |
| 1994 | Feb 21 | Nov 18 | none | none |
| 1993 | Feb 24 | Nov 23 | Jan 5 | Dec 21 |
| 1992 | Jan 25 | Dec 12 | Jan 24 | Dec 27 |
| 1991 | Mar 27 | Dec 19 | Jan 6 | none |
| 1990 | Mar 13 | Nov 26 | Feb 18 | Dec 20 |
| 1989 | Mar 3 | Dec 20 | Feb 8 | none |
| 1988 | Jan 19 | Nov 25 | none | Dec 26 |
| 1987 | Mar 24 | Dec 13 | Jan 17 | Dec 21 |
| 1986 | Mar 15 | none | none | none |
| 1985 | Mar 28 | Nov 13 | Jan 24 | Dec 11 |
| 1984 | Feb 17 | Dec 16 | none | Dec 24 |
| 1983 | Jan 21 | Nov 21 | none | none |
| 1982 | no data | Nov 16 | no data | none |
| 1981 | Jan 31 | none | none | none |
| 1979 | Feb 5 | Dec 22 | Feb 5 | none |
| 1978 | Feb 13 | Nov 14 | none | Dec 7 |
| 1977 | Mar 14 | Nov 19 | Jan 30 | Nov 19 |
| 1976 | Mar 25 | Nov 27 | Mar 3 | none |
| 1975 | Apr 5 | Nov 18 | Feb 21 | none |
| 1974 | Mar 3 | Dec 22 | Jan 5 | none |
| 1973 | Mar 22 | Nov 19 | Jan 8 | none |
| 1972 | Apr 13 | Dec 1 | Feb 1 | Dec 5 |
| 1971 | Apr 21 | Oct 29 | Mar 1 | Dec 13 |
| 1970 | Apr 28 | Dec 14 | none | none |
| 1969 | Mar 13 | no data | Feb 1 | no data |
| 1968 | Jan 31 | Dec 2 | Jan 28 | Dec 19 |
| 1967 | Apr 30 | Dec 1 | Apr 30 | Dec 13 |
| 1966 | Mar 3 | Nov 22 | Mar 3 | Dec 26 |
| 1965 | Feb 4 | Dec 9 | Jan 7 | Dec 18 |
| 1964 | May 4 | Nov 13 | none | none |
| 1963 | Apr 21 | Nov 21 | Mar 18 | none |
| 1962 | Apr 20 | Nov 18 | Mar 10 | Nov 29 |
| 1961 | Apr 24 | Oct 28 | Jan 16 | Nov 17 |
| 1960 | Apr 22 | Nov 28 | Jan 17 | Dec 6 |
| 1959 | May 2 | Dec 8 | Feb 9 | Dec 13 |
| 1958 | Mar 10 | Nov 15 | none | Nov 16 |
| 1957 | no data | Dec 22 | no data | none |
"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.