Terlingua, TX: frost dates by year

Last spring and first fall frost at NOAA station USC00418924, 2007 to 2022, measured from daily minimum temperatures.

Elevation 2,633 ft, 29.349, -103.595. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Mar 6	Nov 26
Earliest	Jan 30 (2018)	Oct 27 (2019)
Latest	Mar 25 (2022)	Dec 20 (2021)
Trend	3.8 days earlier per decade	4.8 days earlier per decade
Years with data	11	14

At 28°F (hard freeze) the median last spring date is Feb 13 and the median first fall date is Dec 6.

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 25	Nov 27	Feb 17	Dec 16
2021	Mar 2	Dec 20	Feb 20	none
2020	no data	Oct 28	no data	Oct 29
2019	Mar 6	Oct 27	Jan 25	Dec 19
2018	Jan 30	Nov 13	Jan 20	Nov 13
2017	Feb 1	no data	Jan 31	no data
2016	Feb 11	Dec 8	Feb 8	Dec 8
2015	Mar 7	Dec 4	Jan 9	Dec 15
2014	Mar 18	Nov 18	Feb 13	Dec 24
2013	Mar 15	Nov 24	Mar 11	Nov 25
2011	Feb 14	Nov 11	Feb 14	Nov 28
2010	Mar 22	Nov 27	Mar 22	Dec 1
2009	no data	Dec 2	no data	Dec 5
2008	no data	Dec 2	no data	Dec 6
2007	no data	Nov 24	no data	Dec 16

"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.