Oxford Ag, NC: frost dates by year

Last spring and first fall frost at NOAA station USC00316510, 1994 to 2013, measured from daily minimum temperatures.

Elevation 500 ft, 36.304, -78.611. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Mar 26	Nov 4
Earliest	Mar 11 (2012)	Oct 23 (1997)
Latest	Apr 10 (1997)	Dec 1 (2009)
Trend	2.5 days earlier per decade	1.8 days later per decade
Years with data	17	16

At 28°F (hard freeze) the median last spring date is Mar 10 and the median first fall date is Nov 21.

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
2013	Mar 27	no data	Mar 22	no data
2012	Mar 11	Nov 5	Mar 6	Nov 24
2011	Mar 30	Oct 30	Mar 4	Nov 19
2010	Mar 27	Nov 7	Mar 7	Nov 28
2009	Mar 22	Dec 1	Mar 5	Dec 7
2008	Mar 26	Oct 30	Mar 9	Nov 19
2007	Apr 9	Nov 8	Apr 8	Nov 24
2006	Mar 23	Oct 26	Mar 8	Nov 4
2005	Mar 18	no data	Mar 10	no data
2003	no data	Nov 14	no data	Dec 3
2002	Apr 7	no data	Mar 23	no data
2001	Mar 28	Oct 29	Mar 28	Dec 22
2000	Mar 18	Nov 16	Feb 22	Nov 16
1999	Mar 16	Nov 4	Mar 9	Nov 18
1998	Mar 23	Nov 7	Mar 13	Dec 15
1997	Apr 10	Oct 23	Apr 10	Nov 17
1996	Apr 9	Nov 2	Mar 12	Nov 3
1995	Mar 18	Nov 4	Mar 10	Nov 4
1994	no data	Nov 11	no data	Nov 23

"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.