Coalinga, CA: frost dates by year

Last spring and first fall frost at NOAA station USC00041864, 1951 to 2017, measured from daily minimum temperatures.

Elevation 670 ft, 36.136, -120.361. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Mar 10	Nov 24
Earliest	Jan 4 (2015)	Oct 21 (1985)
Latest	Apr 28 (1970)	Dec 27 (1995)
Trend	6.1 days earlier per decade	2.2 days later per decade
Years with data	56, 1 with no freeze	55

At 28°F (hard freeze) the median last spring date is Feb 4 and the median first fall date is Dec 6.

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 6	no data	none	no data
2016	Feb 3	Dec 3	Jan 1	Dec 18
2015	Jan 4	Nov 28	Jan 2	Nov 29
2014	Jan 11	Dec 26	none	none
2013	no data	Dec 4	no data	Dec 5
2011	Apr 8	Dec 1	Feb 28	Dec 1
2010	no data	Nov 25	no data	Nov 25
2009	Mar 10	Nov 19	Jan 4	Dec 8
2008	Feb 15	Dec 5	none	Dec 18
2007	no data	Nov 24	no data	Dec 12
2005	none	Nov 27	none	Dec 4
2003	Feb 9	Nov 23	none	Nov 23
2002	no data	Nov 4	no data	none
2001	Feb 13	Nov 26	Feb 8	none
2000	Mar 9	Nov 12	none	none
1999	Apr 10	Nov 23	Jan 29	Dec 14
1998	Mar 9	Dec 2	none	Dec 6
1997	Jan 14	Dec 10	none	Dec 13
1996	Feb 28	Nov 29	none	none
1995	Feb 16	Dec 27	none	none
1994	Feb 19	Nov 14	Jan 7	Nov 19
1993	Feb 14	no data	Jan 6	no data
1992	no data	Dec 13	no data	Dec 15
1991	Jan 30	no data	Jan 3	no data
1990	Feb 20	Nov 27	Feb 15	Dec 21
1989	Feb 14	Nov 28	Feb 8	Dec 12
1988	Mar 11	Nov 20	Feb 5	Dec 2
1987	Mar 20	Nov 26	Feb 26	Dec 14
1986	Mar 14	Nov 30	none	Dec 15
1985	Mar 30	Oct 21	Feb 10	Nov 19
1984	Mar 15	Nov 26	Feb 28	Dec 17
1983	Feb 4	Nov 8	Jan 1	none
1982	no data	Oct 28	no data	Dec 25
1981	Feb 27	Nov 30	none	none
1980	Mar 12	no data	Jan 19	no data
1978	no data	Nov 15	no data	Dec 7
1977	Mar 31	Nov 20	Mar 15	Nov 20
1976	Mar 6	Nov 27	Mar 3	Nov 28
1975	Apr 2	Nov 9	Mar 21	Nov 21
1974	Mar 9	Nov 23	Feb 23	Nov 28
1973	Mar 18	no data	Jan 7	no data
1972	Mar 28	no data	Feb 3	no data
1971	Mar 8	Oct 30	Mar 7	Dec 3
1970	Apr 28	Nov 29	Jan 7	none
1969	Mar 10	Nov 18	Feb 1	Dec 29
1968	Feb 1	no data	Jan 7	no data
1967	Apr 1	Dec 1	Jan 18	Dec 14
1966	Mar 17	no data	Mar 4	no data
1965	Feb 15	Dec 14	Feb 12	Dec 16
1964	Mar 25	Nov 15	Mar 8	Nov 16
1963	Apr 2	Nov 22	Jan 26	Dec 11
1962	Mar 23	Nov 19	Feb 28	Nov 30
1961	Mar 6	Nov 17	Jan 21	Nov 17
1960	Mar 2	Nov 28	Jan 17	Dec 6
1959	Feb 22	Nov 11	Feb 3	Dec 6
1958	Mar 10	Nov 16	Jan 23	Nov 16
1957	Mar 14	Nov 17	Feb 5	Dec 23
1956	Mar 13	Nov 1	Mar 7	Dec 7
1955	Apr 27	Nov 12	Mar 1	Dec 3
1954	Mar 18	Nov 27	Jan 14	Nov 30
1953	Apr 9	Nov 19	Mar 3	Dec 23
1952	Mar 22	Nov 24	Jan 10	Nov 24
1951	Mar 11	Nov 23	Mar 11	Dec 8

"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.