Frost history / Marysville, CA
Marysville, CA: frost dates by year
Last spring and first fall frost at NOAA station USC00045385, 1951 to 1995, measured from daily minimum temperatures.
Elevation 57 ft, 39.146, -121.585. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Feb 3 | Dec 2 |
| Earliest | Jan 5 (1993) | Nov 12 (1978) |
| Latest | Apr 2 (1955) | Dec 25 (1988) |
| Trend | 5.2 days earlier per decade | 1.8 days later per decade |
| Years with data | 42, 2 with no freeze | 41, 2 with no freeze |
At 28°F (hard freeze) the median last spring date is Jan 8 and the median first fall date is Dec 11.
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 |
|---|---|---|---|---|
| 1995 | none | no data | none | no data |
| 1994 | Feb 12 | Dec 9 | none | none |
| 1993 | Jan 5 | Nov 25 | Jan 4 | Nov 25 |
| 1992 | no data | Dec 19 | no data | none |
| 1991 | Jan 29 | Dec 12 | Jan 3 | none |
| 1990 | Feb 19 | Nov 27 | Feb 16 | Dec 20 |
| 1989 | Feb 14 | no data | Feb 8 | no data |
| 1988 | Feb 3 | Dec 25 | Jan 1 | none |
| 1987 | no data | Dec 24 | no data | none |
| 1986 | no data | Dec 9 | no data | none |
| 1985 | Feb 5 | Nov 13 | none | Dec 13 |
| 1984 | Jan 20 | Dec 20 | none | Dec 23 |
| 1983 | Jan 14 | no data | none | no data |
| 1982 | Feb 24 | no data | none | no data |
| 1981 | Feb 20 | none | Jan 28 | none |
| 1980 | Jan 30 | Dec 9 | none | none |
| 1979 | Feb 3 | Dec 12 | Jan 29 | none |
| 1978 | none | Nov 12 | none | Dec 7 |
| 1977 | Feb 3 | Nov 19 | none | Nov 19 |
| 1976 | Mar 5 | Nov 28 | Jan 4 | Dec 24 |
| 1975 | Feb 18 | Nov 29 | Jan 28 | none |
| 1974 | Jan 10 | Dec 23 | none | none |
| 1973 | Jan 27 | none | Jan 7 | none |
| 1972 | Feb 2 | Nov 23 | Jan 8 | Dec 5 |
| 1971 | Mar 5 | Dec 4 | Mar 2 | none |
| 1970 | Jan 6 | Dec 25 | Jan 1 | none |
| 1969 | Feb 3 | Nov 18 | Jan 29 | none |
| 1968 | Jan 28 | Dec 4 | Jan 6 | Dec 21 |
| 1967 | Apr 1 | Dec 2 | Jan 17 | Dec 14 |
| 1966 | Mar 4 | Nov 24 | Mar 3 | Dec 28 |
| 1965 | Feb 12 | Nov 28 | Jan 8 | Dec 15 |
| 1964 | Feb 3 | Nov 15 | none | Dec 13 |
| 1963 | Jan 25 | Nov 21 | Jan 18 | Dec 7 |
| 1962 | Feb 27 | Dec 25 | Feb 27 | Dec 26 |
| 1961 | Jan 22 | Nov 17 | Jan 3 | none |
| 1960 | Jan 17 | Dec 8 | Jan 5 | none |
| 1959 | Feb 9 | Nov 15 | Jan 4 | Dec 7 |
| 1958 | Jan 22 | Nov 15 | none | Nov 17 |
| 1957 | Feb 4 | Dec 22 | Feb 4 | none |
| 1956 | Mar 6 | Dec 7 | none | Dec 9 |
| 1955 | Apr 2 | Nov 25 | Jan 8 | none |
| 1954 | Jan 25 | Nov 30 | none | none |
| 1953 | Mar 2 | Dec 23 | none | none |
| 1952 | Mar 20 | Nov 25 | Jan 4 | Nov 25 |
| 1951 | Mar 2 | Dec 9 | Feb 1 | Dec 9 |
"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.