Coden, AL: frost dates by year

Last spring and first fall frost at NOAA station USC00011803, 1957 to 2014, measured from daily minimum temperatures.

Elevation 12 ft, 30.387, -88.227. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Mar 8	Nov 20
Earliest	Feb 7 (2001)	Oct 27 (1957)
Latest	Apr 10 (2000)	Dec 21 (2001)
Trend	0.6 days earlier per decade	2.1 days later per decade
Years with data	49	46, 1 with no freeze

At 28°F (hard freeze) the median last spring date is Feb 17 and the median first fall date is Dec 1.

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	Mar 27	no data	Feb 8	no data
2013	Mar 28	Nov 13	Mar 4	Nov 28
2012	Feb 13	Nov 25	Feb 13	Dec 23
2011	Feb 14	Nov 12	Feb 13	none
2010	Mar 6	Nov 27	Feb 26	Dec 7
2009	Mar 3	Nov 27	Feb 6	none
2008	Mar 26	Nov 19	Jan 21	Dec 23
2007	Mar 7	Nov 16	Feb 20	Dec 5
2006	Feb 28	Nov 20	Feb 14	Dec 5
2005	Mar 3	Nov 18	Jan 25	Dec 23
2004	Feb 20	Dec 14	Feb 9	Dec 15
2003	Apr 1	no data	Jan 26	no data
2002	Mar 24	Nov 29	Mar 6	none
2001	Feb 7	Dec 21	Jan 24	Dec 26
2000	Apr 10	Nov 20	Feb 7	Nov 22
1999	Feb 24	Dec 7	Jan 11	Dec 16
1998	Mar 13	none	Mar 12	none
1997	Feb 12	Nov 17	Feb 12	Dec 6
1996	Mar 23	Dec 19	Mar 11	Dec 19
1995	Feb 13	Dec 10	Feb 10	Dec 10
1994	Mar 12	Dec 12	Feb 4	none
1993	Mar 16	Oct 31	Mar 15	Nov 1
1992	Feb 11	Nov 29	Jan 22	none
1991	Feb 17	Nov 4	Feb 17	Nov 5
1990	Mar 22	Nov 30	Jan 14	Dec 5
1984	Mar 12	Nov 11	Mar 1	Nov 12
1983	Mar 25	Nov 14	Jan 17	Nov 25
1982	Mar 8	Oct 27	Feb 7	Nov 6
1981	Mar 20	Nov 21	Feb 12	Nov 21
1980	Mar 4	Nov 19	Mar 4	Nov 19
1979	Feb 27	Nov 15	Feb 11	Nov 30
1978	Mar 17	Dec 10	Mar 5	Dec 10
1977	Mar 8	Nov 11	Feb 21	Dec 7
1972	Mar 6	no data	Feb 19	no data
1971	Mar 8	Nov 26	Mar 4	none
1970	Mar 14	Nov 24	Feb 27	Nov 24
1969	Mar 27	Nov 15	Mar 11	Nov 15
1968	Mar 25	Nov 13	Mar 24	Nov 20
1967	Feb 27	Nov 7	Feb 26	Dec 23
1966	Mar 9	Nov 3	Mar 7	Nov 3
1965	Mar 20	Nov 30	Mar 8	Dec 1
1964	Feb 28	Nov 22	Feb 24	Dec 1
1963	Feb 27	Nov 2	Feb 27	Nov 14
1962	Mar 8	Dec 6	Jan 13	Dec 10
1961	Mar 10	Nov 9	Jan 31	Dec 24
1960	Mar 22	Dec 1	Mar 6	Dec 2
1959	Feb 21	Nov 7	Feb 21	Nov 7
1958	Mar 15	Nov 29	Feb 20	Nov 29
1957	Mar 9	Oct 27	Jan 19	Dec 1

"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.