Alum Fk, AR: frost dates by year

Last spring and first fall frost at NOAA station USC00030130, 1951 to 2025, measured from daily minimum temperatures.

Elevation 698 ft, 34.796, -92.842. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Mar 31	Nov 7
Earliest	Mar 5 (1985)	Oct 18 (1976)
Latest	Apr 22 (2021)	Dec 9 (1998)
Trend	1.3 days earlier per decade	0.7 days later per decade
Years with data	73	75

At 28°F (hard freeze) the median last spring date is Mar 13 and the median first fall date is Nov 17.

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
2025	Mar 22	Nov 10	Feb 24	Nov 11
2024	Mar 20	Nov 21	Feb 20	Nov 29
2023	no data	Oct 31	no data	Nov 27
2022	Apr 10	Oct 19	Mar 14	Nov 13
2021	Apr 22	Nov 5	Feb 23	Nov 19
2020	Mar 9	Nov 30	Feb 28	Dec 1
2019	Apr 3	Nov 1	Mar 7	Nov 1
2018	Apr 16	Nov 10	Apr 9	Nov 10
2017	Mar 16	Oct 28	Feb 27	Oct 30
2016	Mar 22	Nov 13	Feb 27	Dec 1
2015	Mar 30	Nov 22	Mar 8	Nov 22
2014	Apr 16	Nov 12	Mar 27	Nov 13
2013	Mar 28	Nov 13	Mar 28	Nov 13
2012	Mar 5	Nov 13	Feb 27	Nov 25
2011	Apr 5	Oct 20	Feb 12	Nov 30
2010	Mar 7	Nov 6	Mar 4	Nov 27
2009	Apr 7	Nov 26	Mar 4	Nov 27
2008	Mar 25	Oct 28	Mar 10	Nov 16
2007	Apr 9	Nov 7	Apr 9	Nov 23
2006	Mar 27	Nov 3	Feb 27	Nov 20
2005	Mar 18	Nov 17	Feb 12	Nov 17
2004	Mar 31	Nov 25	Feb 28	Dec 1
2003	Mar 31	Nov 24	Mar 30	Nov 24
2002	Mar 27	Nov 17	Mar 23	Nov 27
2001	Mar 25	Oct 28	Feb 20	Dec 20
2000	Mar 20	Nov 10	Mar 13	Nov 14
1999	Apr 17	Nov 26	Mar 4	Nov 30
1998	Mar 13	Dec 9	Mar 13	Dec 9
1997	Apr 14	Oct 28	Mar 16	Nov 16
1996	Apr 7	Nov 3	Mar 26	Nov 27
1995	Mar 11	Nov 3	Mar 10	Nov 4
1994	Apr 7	Nov 23	Mar 31	Nov 30
1993	Mar 18	Oct 28	Mar 15	Oct 30
1992	Apr 3	Nov 6	Mar 13	Nov 6
1991	Mar 31	Nov 2	Feb 27	Nov 2
1990	Apr 7	Nov 6	Feb 26	Nov 30
1989	Apr 11	Oct 20	Apr 11	Oct 20
1988	Mar 19	Nov 17	Mar 15	Nov 22
1987	Apr 5	Nov 11	Apr 3	Nov 11
1986	Mar 22	Nov 12	Mar 22	Nov 13
1985	Mar 5	Nov 20	Feb 28	Dec 1
1984	Mar 11	Nov 10	Mar 11	Nov 12
1983	Apr 19	Nov 12	Mar 22	Nov 24
1982	Apr 10	Nov 4	Mar 8	Nov 5
1981	Mar 20	Oct 24	Feb 14	Nov 21
1980	Apr 15	Oct 30	Mar 18	Nov 19
1979	Apr 5	Nov 10	Mar 11	Nov 14
1978	Mar 27	Nov 8	Mar 17	Dec 4
1977	Mar 23	Nov 10	Feb 21	Nov 10
1976	Mar 17	Oct 18	Feb 8	Nov 5
1975	Apr 4	Nov 14	Apr 3	Nov 14
1974	Apr 9	Nov 15	Mar 24	Nov 15
1973	Apr 11	Nov 10	Feb 22	Dec 7
1972	Apr 2	Oct 26	Mar 9	Nov 23
1971	Apr 7	Nov 7	Mar 8	Nov 8
1970	Apr 3	Nov 16	Mar 15	Nov 16
1969	Mar 30	Nov 5	Mar 13	Nov 14
1968	Apr 6	Nov 9	Mar 24	Nov 12
1967	Mar 18	Nov 4	Mar 18	Dec 4
1966	Apr 6	Nov 2	Mar 25	Nov 3
1965	Mar 27	Nov 30	Mar 21	Nov 30
1964	Mar 31	Nov 20	Mar 30	Nov 20
1963	Mar 22	Nov 14	Mar 6	Nov 24
1962	Apr 16	Nov 4	Mar 16	Dec 10
1961	Apr 16	Nov 7	Mar 10	Nov 9
1960	Mar 26	Nov 10	Mar 21	Nov 10
1959	Apr 14	Nov 6	Mar 16	Nov 6
1958	Mar 20	Nov 7	Mar 20	Nov 28
1957	Apr 13	Oct 27	Apr 13	Nov 30
1956	Apr 8	Nov 9	Mar 20	Nov 9
1955	Mar 29	Nov 3	Mar 29	Nov 10
1954	no data	Oct 30	no data	Nov 2
1953	Apr 19	Nov 6	Feb 23	Nov 23
1952	Apr 6	Oct 21	Mar 24	Oct 29
1951	Apr 17	Nov 1	Mar 13	Nov 2

"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.