Mina, NV: frost dates by year

Last spring and first fall frost at NOAA station USC00265168, 1951 to 2025, measured from daily minimum temperatures.

Elevation 4,580 ft, 38.388, -118.109. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 26	Oct 16
Earliest	Mar 30 (1990)	Sep 17 (1965)
Latest	May 30 (2011)	Nov 9 (1988)
Trend	2.8 days earlier per decade	1.2 days later per decade
Years with data	60	59

At 28°F (hard freeze) the median last spring date is Apr 16 and the median first fall date is Oct 26.

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
2025	Apr 19	Oct 16	Apr 3	Oct 17
2024	Apr 9	Oct 19	Apr 6	Oct 30
2023	Apr 19	Oct 27	Apr 5	Oct 27
2022	May 11	Oct 24	May 11	Oct 24
2021	Apr 19	Oct 12	Mar 27	Oct 13
2020	Apr 5	Oct 26	Apr 3	Oct 26
2019	Mar 31	Sep 30	Mar 17	Oct 10
2018	Apr 17	Oct 15	Mar 26	Oct 31
2016	Apr 16	no data	Apr 16	no data
2015	Apr 17	Oct 30	Apr 15	Nov 5
2014	Apr 27	Oct 28	Apr 3	Nov 4
2013	Apr 19	Oct 5	Apr 18	Oct 5
2012	Apr 15	Oct 24	Apr 9	Oct 24
2011	May 30	Oct 26	Apr 30	Oct 27
2010	May 11	Oct 27	Apr 13	Oct 27
2009	Apr 15	Oct 1	Apr 15	Oct 5
2007	Apr 24	Oct 7	Apr 19	Oct 7
2006	Apr 18	Oct 18	Mar 30	Oct 26
2005	Apr 20	no data	Apr 8	no data
2002	no data	Oct 13	no data	Oct 30
2001	May 4	Oct 10	Apr 20	Nov 8
2000	May 12	Sep 24	Mar 22	Nov 1
1999	no data	Oct 17	no data	Oct 18
1998	May 13	no data	Apr 17	no data
1997	Apr 13	Oct 8	Apr 13	Oct 25
1996	Apr 21	Oct 17	Apr 19	Oct 17
1995	Apr 23	Oct 5	Apr 22	Oct 25
1994	Apr 12	Oct 17	Apr 5	Oct 17
1993	Apr 19	Oct 20	Apr 13	Nov 3
1992	Apr 7	Oct 31	Mar 19	Nov 4
1991	May 19	Oct 24	Apr 13	Oct 24
1990	Mar 30	Oct 8	Mar 30	Oct 9
1989	Apr 27	Oct 26	Apr 25	Oct 26
1988	May 6	Nov 9	Apr 2	Nov 9
1987	Apr 20	Oct 15	Apr 20	Nov 15
1986	Apr 18	Oct 13	Apr 3	Oct 13
1985	Apr 26	Oct 11	Apr 26	Oct 15
1984	Apr 29	Sep 25	Apr 29	Oct 16
1983	May 12	Nov 8	Apr 14	Nov 19
1982	Apr 22	Oct 1	Apr 7	Oct 28
1981	May 7	Oct 12	Mar 31	Oct 12
1980	May 11	Oct 16	Apr 3	Oct 17
1979	May 11	Oct 27	Apr 19	Oct 27
1978	May 24	Sep 18	May 24	Oct 26
1977	May 18	Oct 30	Apr 20	Oct 30
1976	Apr 27	Oct 19	Apr 27	Oct 28
1975	May 7	Oct 8	May 5	Oct 24
1974	May 20	Oct 23	May 20	Nov 6
1973	Apr 26	Oct 4	Apr 22	Oct 4
1972	May 21	Oct 25	Apr 20	Oct 29
1971	Apr 24	no data	Apr 21	no data
1970	no data	Sep 25	no data	Oct 16
1969	Apr 28	Oct 4	Apr 27	Oct 5
1965	May 10	Sep 17	May 7	Sep 17
1964	no data	Oct 19	no data	Oct 19
1963	Apr 24	Oct 23	Apr 24	Nov 17
1962	Apr 30	Oct 15	Apr 30	Nov 6
1961	May 12	Oct 10	Apr 23	Oct 22
1960	May 19	Oct 17	Apr 25	Nov 10
1959	Apr 20	Sep 27	Apr 16	Oct 30
1954	May 2	no data	May 2	no data
1953	May 26	Oct 3	May 2	Oct 19
1952	Apr 21	Oct 27	Apr 15	Nov 3
1951	May 2	Oct 6	Apr 1	Oct 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.