Parsons Wtp, TN: frost dates by year

Last spring and first fall frost at NOAA station USC00407015, 1998 to 2023, measured from daily minimum temperatures.

Elevation 410 ft, 35.608, -88.120. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 8	Oct 29
Earliest	Mar 7 (2010)	Oct 8 (2000)
Latest	Apr 25 (2005)	Nov 26 (2004)
Trend	0.8 days earlier per decade	0.6 days earlier per decade
Years with data	24	25

At 28°F (hard freeze) the median last spring date is Mar 15 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
2023	Mar 29	Oct 31	Mar 21	Nov 1
2022	Mar 27	Oct 18	Mar 14	Oct 19
2021	Apr 22	Oct 17	Mar 7	Nov 19
2020	Apr 16	Nov 2	Mar 7	Nov 18
2019	Apr 5	Nov 1	Mar 27	Nov 1
2018	Apr 20	Oct 22	Apr 8	Nov 10
2017	Mar 17	Oct 30	Mar 17	Nov 20
2016	Mar 26	Nov 10	Feb 28	Nov 20
2015	Apr 5	Oct 18	Mar 9	Nov 14
2014	Apr 17	Nov 2	Apr 16	Nov 2
2013	Mar 30	Oct 25	Mar 28	Oct 25
2012	Apr 12	Oct 29	Feb 27	Oct 31
2011	Mar 11	Oct 21	Mar 11	Oct 29
2010	Mar 7	Oct 30	Mar 7	Nov 6
2009	Apr 8	Oct 19	Mar 5	Nov 27
2008	Apr 15	Oct 29	Mar 10	Oct 29
2007	Apr 16	Nov 3	Apr 9	Nov 7
2006	Apr 12	Oct 13	Mar 26	Oct 23
2005	Apr 25	no data	Mar 19	no data
2004	Apr 14	Nov 26	Mar 11	Dec 2
2003	no data	Nov 14	no data	Nov 14
2002	no data	Nov 2	no data	Nov 17
2001	Apr 18	Oct 27	Mar 28	Oct 28
2000	Apr 9	Oct 8	Mar 13	Oct 9
1999	Mar 28	Oct 24	Mar 27	Oct 24
1998	Mar 22	Oct 23	Mar 22	Nov 6

"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.