Frost history / Germantown 4SE, TN

Germantown 4SE, TN: frost dates by year

Last spring and first fall frost at NOAA station USC00403447, 2001 to 2022, measured from daily minimum temperatures.

Elevation 320 ft, 35.076, -89.743. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Mar 25	Nov 6
Earliest	Feb 26 (2012)	Oct 14 (2006)
Latest	Apr 16 (2020)	Nov 28 (2004)
Trend	3.1 days later per decade	little change (less than half a day per decade)
Years with data	22	20

At 28°F (hard freeze) the median last spring date is Mar 10 and the median first fall date is Nov 18.

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
2022	Mar 14	no data	Mar 14	no data
2021	Apr 2	Nov 4	Feb 21	Nov 19
2020	Apr 16	Nov 2	Feb 27	Dec 1
2019	Apr 1	Nov 1	Mar 7	Nov 8
2018	Apr 9	Nov 10	Apr 8	Nov 11
2017	Mar 16	Oct 28	Mar 15	Nov 20
2016	Mar 21	Nov 20	Feb 14	Dec 9
2015	Mar 29	Nov 22	Mar 7	Nov 22
2014	Apr 16	Nov 2	Mar 26	Nov 2
2013	Mar 28	Nov 8	Mar 28	Nov 13
2012	Feb 26	Nov 8	Feb 26	Nov 13
2011	Mar 16	Oct 30	Mar 11	Nov 18
2010	Mar 6	Oct 30	Mar 6	Nov 6
2009	Mar 5	Nov 27	Mar 4	Nov 27
2008	Apr 15	Oct 28	Mar 24	Nov 10
2007	Apr 9	Nov 7	Apr 8	Nov 7
2006	Mar 24	Oct 14	Mar 4	Nov 3
2005	Mar 14	no data	Mar 2	no data
2004	Mar 22	Nov 28	Mar 10	Dec 2
2003	Mar 31	Nov 14	Mar 10	Nov 25
2002	Mar 23	Nov 7	Mar 23	Nov 17
2001	Mar 27	Oct 27	Mar 27	Nov 21

"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.