Pulaski Wwtp, TN: frost dates by year

Last spring and first fall frost at NOAA station USC00407459, 1957 to 2025, measured from daily minimum temperatures.

Elevation 644 ft, 35.184, -87.042. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 11	Oct 24
Earliest	Mar 19 (1988)	Sep 30 (1967)
Latest	May 4 (1976)	Nov 27 (2009)
Trend	0.5 days later per decade	1.1 days later per decade
Years with data	64	67

At 28°F (hard freeze) the median last spring date is Mar 28 and the median first fall date is Nov 5.

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

"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.