Bell 4NW, FL: frost dates by year

Last spring and first fall frost at NOAA station USC00080598, 2000 to 2017, measured from daily minimum temperatures.

Elevation 30 ft, 29.796, -82.918. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Mar 11	Nov 18
Earliest	Feb 14 (2012)	Oct 29 (2008)
Latest	Apr 8 (2009)	Dec 23 (2009)
Trend	3.3 days earlier per decade	3.5 days earlier per decade
Years with data	14	16, 1 with no freeze

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

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
2017	Mar 17	no data	Mar 17	no data
2015	Feb 23	none	Feb 21	none
2014	Mar 15	Nov 3	Jan 23	Nov 20
2013	Mar 30	Nov 28	Mar 5	Nov 28
2012	Feb 14	Nov 25	Feb 14	Dec 23
2011	Mar 13	Nov 12	Feb 14	Nov 12
2010	Mar 8	Nov 8	Mar 7	Dec 3
2009	Apr 8	Dec 23	Feb 22	none
2008	no data	Oct 29	no data	Nov 19
2007	Mar 7	Nov 17	Feb 21	Nov 17
2006	Mar 28	Dec 5	Feb 15	none
2005	Mar 3	Dec 3	Jan 25	Dec 23
2004	no data	Dec 15	no data	Dec 15
2003	Apr 1	Nov 29	Jan 29	Nov 30
2002	Mar 6	Nov 18	Mar 5	Nov 24
2001	Mar 9	Nov 7	Jan 27	Dec 22
2000	no data	Nov 15	no data	Nov 22

"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.