Conchas Dam, NM: frost dates by year

Last spring and first fall frost at NOAA station USC00292030, 1951 to 2024, measured from daily minimum temperatures.

Elevation 4,244 ft, 35.407, -104.191. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 10	Oct 31
Earliest	Mar 6 (2004)	Oct 8 (1970)
Latest	May 3 (1978)	Nov 27 (1965)
Trend	1.3 days earlier per decade	0.6 days earlier per decade
Years with data	68	67

At 28°F (hard freeze) the median last spring date is Mar 30 and the median first fall date is Nov 11.

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
2024	Mar 27	Nov 7	Mar 9	Nov 9
2023	Apr 23	Oct 29	Mar 29	Oct 30
2022	Apr 14	Oct 25	Mar 12	Nov 11
2021	Apr 21	Nov 13	Mar 25	Nov 18
2020	Apr 18	Oct 26	Apr 17	Oct 26
2019	Apr 12	Oct 11	Mar 16	Oct 11
2018	Apr 8	Oct 14	Apr 7	Oct 14
2017	no data	Oct 28	no data	Nov 18
2016	Apr 3	Nov 18	Mar 27	Nov 19
2015	Mar 8	no data	Mar 7	no data
2014	Apr 15	Nov 11	Apr 14	Nov 11
2013	no data	Nov 6	no data	Nov 22
2012	Mar 20	no data	Mar 20	no data
2011	Apr 4	Oct 27	Mar 9	Nov 3
2010	no data	Nov 11	no data	Nov 18
2009	Apr 6	no data	Mar 28	no data
2008	no data	Oct 23	no data	Nov 7
2007	Apr 14	Nov 15	Apr 7	Nov 15
2006	no data	Oct 31	no data	Nov 16
2004	Mar 6	no data	Feb 26	no data
2003	Apr 8	Oct 26	Mar 30	Nov 23
2002	Apr 21	Nov 6	Apr 3	Nov 26
2001	Mar 29	Oct 13	Mar 16	Oct 13
2000	Apr 4	Nov 7	Mar 19	Nov 7
1999	Apr 20	Oct 18	Apr 16	Nov 25
1998	Apr 20	Nov 11	Mar 20	Nov 11
1997	Apr 26	Oct 25	Apr 14	Oct 25
1996	Apr 6	Oct 21	Apr 6	Oct 22
1995	Apr 23	Nov 3	Apr 11	Nov 3
1994	Apr 7	Nov 5	Apr 6	Nov 14
1993	Mar 18	Oct 27	Mar 14	Oct 30
1992	Mar 23	Nov 4	Mar 10	Nov 4
1991	Apr 13	Oct 29	Mar 14	Oct 29
1990	Apr 7	Oct 21	Mar 26	Nov 4
1989	Apr 11	Oct 19	Apr 11	Oct 30
1988	Apr 3	Oct 28	Apr 2	Nov 19
1987	Apr 9	Nov 8	Mar 31	Nov 9
1986	Apr 20	Oct 12	Feb 22	Nov 9
1985	Apr 5	Nov 7	Mar 30	Nov 15
1984	Apr 4	Oct 19	Mar 11	Nov 20
1983	Apr 14	no data	Apr 9	no data
1982	Apr 6	Oct 29	Mar 25	Nov 3
1981	Apr 5	Nov 9	Mar 9	Nov 20
1980	Apr 14	Oct 24	Mar 24	Oct 29
1979	Apr 13	Oct 30	Apr 4	Nov 2
1978	May 3	no data	Mar 16	no data
1977	Apr 4	Nov 2	Mar 30	Nov 2
1976	Mar 31	Oct 8	Mar 31	Nov 12
1975	Apr 9	Oct 25	Apr 3	Nov 12
1974	Apr 16	Nov 12	Apr 5	Nov 14
1973	Apr 12	Nov 3	Apr 10	Nov 21
1972	Apr 15	Oct 31	Apr 1	Nov 1
1971	Apr 6	Oct 20	Apr 6	Nov 7
1970	Apr 5	Oct 8	Apr 2	Nov 15
1969	Mar 30	Oct 12	Mar 26	Oct 13
1968	Apr 23	Nov 11	Mar 22	Nov 11
1967	Apr 24	Oct 30	Mar 8	Nov 3
1966	Apr 20	Oct 19	Mar 24	Nov 2
1965	Mar 30	Nov 27	Mar 26	Nov 27
1964	Apr 8	Nov 5	Apr 8	Nov 20
1963	Apr 3	Nov 18	Mar 9	Nov 23
1962	Apr 9	Nov 8	Apr 1	Nov 18
1961	Apr 25	Nov 4	Apr 9	Nov 6
1960	Apr 30	Oct 31	Mar 16	Nov 16
1959	Apr 21	Nov 5	Apr 10	Nov 5
1958	Apr 14	Nov 17	Mar 18	Nov 18
1957	Apr 13	Nov 8	Apr 12	Nov 18
1956	Apr 10	Nov 2	Apr 9	Nov 3
1955	Apr 5	Oct 30	Mar 28	Nov 8
1954	May 3	Oct 27	Mar 31	Nov 29
1953	Apr 19	Nov 9	Apr 18	Nov 20
1952	Apr 10	Nov 7	Apr 10	Nov 18
1951	Apr 16	Nov 1	Apr 12	Nov 1

"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.