Clayton 1 N, NM: frost dates by year

Last spring and first fall frost at NOAA station USC00291883, 1998 to 2019, measured from daily minimum temperatures.

Elevation 5,000 ft, 36.459, -103.200. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	May 2	Oct 13
Earliest	Apr 10 (2009)	Oct 2 (2009)
Latest	May 22 (2019)	Oct 26 (2010)
Trend	4.8 days later per decade	4.5 days earlier per decade
Years with data	13	12

At 28°F (hard freeze) the median last spring date is Apr 14 and the median first fall date is Oct 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
2019	May 22	Oct 10	Apr 14	Oct 11
2018	Apr 28	no data	Apr 28	no data
2015	Apr 29	no data	Apr 14	no data
2014	May 14	Oct 13	Apr 15	Nov 5
2013	no data	Oct 5	no data	Oct 19
2012	Apr 18	no data	Mar 20	no data
2011	May 15	Oct 18	May 3	Oct 27
2010	May 2	Oct 26	Apr 8	Oct 26
2009	Apr 10	Oct 2	Apr 7	Oct 2
2007	May 16	Oct 8	Apr 15	Oct 19
2006	May 11	Oct 13	Apr 25	Oct 19
2005	May 2	Oct 12	Apr 13	Oct 24
2004	Apr 13	Oct 14	Apr 13	Oct 14
2003	May 11	Oct 26	Apr 9	Oct 26
1998	no data	Oct 18	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.