Hartsville, TN: frost dates by year

Last spring and first fall frost at NOAA station USC00403938, 1998 to 2012, measured from daily minimum temperatures.

Elevation 511 ft, 36.376, -86.181. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 8	Oct 27
Earliest	Mar 18 (2005)	Oct 8 (2000)
Latest	Apr 19 (2001)	Nov 15 (2004)
Trend	1.7 days later per decade	5.2 days later per decade
Years with data	13	14

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
2012	Apr 13	Nov 1	Mar 4	Nov 1
2011	no data	Oct 29	no data	Nov 11
2010	Mar 27	no data	Mar 7	no data
2009	Apr 8	Oct 19	Apr 8	Nov 28
2008	Apr 17	Oct 29	Mar 25	Oct 29
2007	Apr 10	Nov 4	Apr 10	Nov 7
2006	Apr 5	Oct 13	Mar 27	Nov 3
2005	Mar 18	Oct 24	Mar 18	Oct 29
2004	Apr 15	Nov 15	Mar 23	Nov 26
2003	Mar 31	Nov 14	Mar 31	Nov 14
2002	Apr 7	Nov 2	Mar 28	Nov 18
2001	Apr 19	Oct 17	Mar 28	Oct 28
2000	Apr 9	Oct 8	Apr 9	Oct 9
1999	Mar 28	Oct 24	Mar 28	Oct 25
1998	no data	Oct 23	no data	Nov 7

"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.