Pinson, AL: frost dates by year

Last spring and first fall frost at NOAA station USC00016478, 1951 to 2014, measured from daily minimum temperatures.

Elevation 608 ft, 33.691, -86.685. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 12	Oct 26
Earliest	Mar 8 (2010)	Oct 2 (1984)
Latest	May 13 (1960)	Nov 25 (2004)
Trend	1.5 days earlier per decade	0.9 days later per decade
Years with data	64	62

At 28°F (hard freeze) the median last spring date is Mar 29 and the median first fall date is Nov 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
2014	Apr 16	no data	Mar 26	no data
2013	Apr 20	Oct 25	Mar 27	Nov 13
2012	Mar 10	Oct 31	Mar 4	Nov 17
2011	Apr 6	Oct 21	Feb 14	Oct 30
2010	Mar 8	Nov 5	Mar 7	Nov 6
2009	Apr 8	Oct 18	Apr 8	Nov 27
2008	Apr 16	Oct 28	Mar 25	Oct 28
2007	Apr 16	Nov 4	Apr 8	Nov 7
2006	Mar 27	Nov 3	Mar 26	Nov 3
2005	Apr 25	Oct 26	Mar 9	Nov 17
2004	Apr 15	Nov 25	Mar 23	Dec 2
2003	Mar 31	Nov 13	Mar 31	Nov 14
2002	Apr 6	Nov 14	Mar 23	Nov 22
2001	Apr 19	Oct 18	Mar 28	Oct 28
2000	Apr 9	Oct 9	Apr 9	Nov 15
1999	Apr 18	Oct 23	Mar 27	Oct 24
1998	Apr 11	Nov 6	Mar 22	Nov 6
1997	Apr 18	Oct 23	Apr 18	Nov 16
1996	Apr 11	Oct 19	Apr 11	Nov 3
1995	Apr 2	Oct 21	Mar 10	Nov 4
1994	Apr 1	Nov 2	Mar 17	Nov 23
1993	Apr 22	Oct 28	Apr 3	Nov 1
1992	Apr 29	Nov 7	Apr 3	Nov 8
1991	Apr 1	Oct 7	Mar 31	Nov 3
1990	Apr 13	Oct 26	Apr 13	Oct 29
1989	Apr 12	Oct 20	Apr 12	Oct 21
1988	Apr 20	Oct 13	Mar 17	Nov 18
1987	Apr 7	Oct 4	Apr 4	Oct 22
1986	Apr 24	Nov 13	Apr 23	Nov 13
1985	Apr 10	Nov 6	Apr 10	Nov 8
1984	Apr 18	Oct 2	Mar 31	Nov 13
1983	Apr 21	Oct 27	Apr 20	Nov 12
1982	Apr 11	no data	Apr 7	no data
1981	Mar 26	Oct 19	Mar 20	Nov 18
1980	Apr 6	Oct 26	Mar 19	Nov 20
1979	Mar 27	Nov 3	Mar 26	Nov 14
1978	Mar 29	Oct 8	Mar 28	Oct 15
1977	Apr 6	Oct 13	Mar 23	Nov 11
1976	Apr 10	Oct 22	Mar 18	Oct 29
1975	Apr 13	Nov 14	Apr 4	Nov 14
1974	Apr 10	Oct 3	Mar 22	Nov 13
1973	Apr 12	Nov 6	Apr 11	Nov 10
1972	Apr 9	Nov 17	Apr 2	Nov 17
1971	May 4	Nov 4	Apr 8	Nov 7
1970	Apr 6	Nov 3	Mar 27	Nov 16
1969	Apr 25	Nov 3	Mar 28	Nov 4
1968	Apr 6	Oct 25	Mar 25	Oct 26
1967	Mar 23	Oct 19	Mar 19	Nov 4
1966	Apr 11	Oct 29	Apr 10	Nov 2
1965	Mar 22	Oct 24	Mar 22	Oct 25
1964	Apr 11	Oct 10	Apr 10	Oct 20
1963	May 2	Oct 29	Mar 23	Oct 30
1962	Apr 17	Oct 24	Apr 16	Oct 24
1961	Apr 18	Oct 15	Apr 7	Oct 27
1960	May 13	Oct 21	Apr 11	Nov 7
1959	Apr 24	Nov 6	Apr 14	Nov 6
1958	Apr 12	Oct 27	Apr 8	Oct 28
1957	Apr 15	Oct 26	Mar 16	Oct 27
1956	Apr 21	Nov 9	Mar 25	Nov 9
1955	Apr 8	Oct 17	Mar 30	Oct 25
1954	Apr 2	Oct 17	Mar 17	Oct 30
1953	Apr 21	Oct 29	Apr 21	Oct 30
1952	Apr 17	Oct 21	Apr 7	Oct 21
1951	Apr 17	Oct 11	Apr 4	Nov 3

"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.