Dayton 2SE, TN: frost dates by year

Last spring and first fall frost at NOAA station USC00402360, 1957 to 2025, measured from daily minimum temperatures.

Elevation 822 ft, 35.472, -84.996. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 8	Oct 28
Earliest	Mar 9 (2010)	Sep 30 (1967)
Latest	May 2 (1963)	Nov 24 (2024)
Trend	1.4 days earlier per decade	1.8 days later per decade
Years with data	64	61

At 28°F (hard freeze) the median last spring date is Mar 27 and the median first fall date is Nov 8.

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

"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.