Frost history / Orick Prairie Creek Park, CA
Orick Prairie Creek Park, CA: frost dates by year
Last spring and first fall frost at NOAA station USC00046498, 1951 to 2006, measured from daily minimum temperatures.
Elevation 160 ft, 41.362, -124.019. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Apr 30 | Nov 8 |
| Earliest | Mar 21 (2006) | Aug 22 (1970) |
| Latest | Jun 11 (1993) | Dec 24 (1953) |
| Trend | 2.5 days later per decade | 3.5 days earlier per decade |
| Years with data | 42 | 38 |
At 28°F (hard freeze) the median last spring date is Mar 5 and the median first fall date is Nov 29.
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 |
|---|---|---|---|---|
| 2006 | Mar 21 | no data | Mar 21 | no data |
| 2004 | Apr 2 | no data | none | no data |
| 2003 | May 19 | no data | Feb 11 | no data |
| 2002 | May 11 | Oct 30 | Mar 18 | Nov 1 |
| 1998 | no data | Oct 30 | no data | Dec 17 |
| 1994 | Apr 30 | no data | Apr 30 | no data |
| 1993 | Jun 11 | no data | Mar 1 | no data |
| 1992 | Apr 7 | Nov 10 | none | none |
| 1991 | no data | Oct 26 | no data | Nov 30 |
| 1990 | May 28 | Oct 9 | Apr 19 | Dec 20 |
| 1989 | Mar 26 | Oct 29 | Feb 15 | Dec 21 |
| 1988 | no data | Nov 18 | no data | Nov 30 |
| 1987 | Apr 19 | no data | Feb 26 | no data |
| 1985 | May 12 | no data | Mar 3 | no data |
| 1984 | Apr 27 | Oct 15 | none | none |
| 1983 | May 9 | no data | none | no data |
| 1982 | May 27 | Nov 7 | Mar 22 | none |
| 1981 | May 6 | Nov 30 | none | none |
| 1979 | no data | Nov 12 | no data | Dec 11 |
| 1978 | May 6 | Oct 29 | Mar 14 | Nov 10 |
| 1977 | May 6 | Nov 6 | Apr 18 | Nov 18 |
| 1976 | Jun 2 | Nov 26 | Apr 1 | Nov 27 |
| 1975 | May 20 | Oct 23 | Apr 1 | Nov 18 |
| 1974 | May 19 | Oct 5 | Mar 8 | Dec 23 |
| 1973 | Apr 30 | Nov 19 | Jan 27 | none |
| 1972 | May 1 | Oct 30 | Apr 19 | Dec 5 |
| 1971 | May 20 | Oct 16 | Mar 2 | Oct 28 |
| 1970 | Apr 29 | Aug 22 | Apr 7 | none |
| 1969 | May 4 | Nov 17 | Mar 15 | none |
| 1968 | May 8 | Nov 30 | May 5 | Dec 20 |
| 1967 | Apr 29 | Nov 23 | Mar 4 | Nov 26 |
| 1966 | no data | Oct 13 | no data | Dec 26 |
| 1965 | May 7 | Dec 12 | May 6 | Dec 13 |
| 1964 | May 6 | Nov 15 | Feb 27 | Nov 15 |
| 1963 | Apr 20 | Dec 2 | Jan 28 | none |
| 1962 | Apr 25 | Nov 28 | Feb 27 | none |
| 1961 | Apr 19 | Oct 8 | Jan 4 | Nov 16 |
| 1960 | Apr 24 | Sep 21 | Feb 28 | none |
| 1959 | Apr 16 | no data | Jan 4 | no data |
| 1958 | Apr 10 | Nov 16 | none | Nov 16 |
| 1957 | Mar 22 | Nov 2 | Jan 30 | none |
| 1956 | Mar 28 | Nov 14 | Mar 6 | none |
| 1955 | Apr 27 | Nov 11 | Mar 21 | Nov 15 |
| 1954 | May 1 | Oct 24 | Mar 12 | Nov 29 |
| 1953 | Apr 11 | Dec 24 | Mar 2 | none |
| 1952 | May 2 | Nov 16 | Feb 21 | Nov 23 |
| 1951 | Mar 31 | Nov 23 | Mar 3 | Dec 7 |
"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.