Frost history / Throckmorton 10N, TX

Throckmorton 10N, TX: frost dates by year

Last spring and first fall frost at NOAA station USC00419016, 2000 to 2023, measured from daily minimum temperatures.

Elevation 1,396 ft, 33.314, -99.201. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Mar 26	Nov 12
Earliest	Feb 27 (2004)	Oct 9 (2000)
Latest	Apr 24 (2013)	Nov 27 (2002)
Trend	2.6 days later per decade	3.9 days earlier per decade
Years with data	14	12

At 28°F (hard freeze) the median last spring date is Mar 18 and the median first fall date is Nov 17.

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 19	no data	Mar 19	no data
2013	Apr 24	Nov 7	Mar 27	Nov 13
2012	Mar 4	Oct 27	Feb 13	Nov 13
2011	Apr 17	Nov 4	Mar 7	Nov 4
2010	Mar 23	Oct 30	Mar 22	Nov 14
2009	Apr 9	Nov 18	Apr 8	Nov 18
2008	Apr 14	no data	Mar 9	no data
2007	Apr 8	Nov 22	Mar 5	Nov 22
2006	Mar 25	Nov 16	Mar 25	Nov 30
2005	Mar 23	Oct 24	Mar 17	Nov 16
2004	Feb 27	no data	Feb 26	no data
2003	Apr 10	Nov 24	Apr 9	Nov 24
2002	Mar 27	Nov 27	Mar 27	Nov 27
2001	Mar 17	Nov 20	Mar 2	Nov 20
2000	no data	Oct 9	no data	Nov 13

"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.