Elk City 4 W, OK: frost dates by year

Last spring and first fall frost at NOAA station USC00342849, 1951 to 2025, measured from daily minimum temperatures.

Elevation 2,120 ft, 35.392, -99.506. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 5	Oct 29
Earliest	Mar 3 (2021)	Sep 30 (1984)
Latest	May 3 (1954)	Nov 27 (1965)
Trend	1.7 days earlier per decade	1.1 days later per decade
Years with data	61	57

At 28°F (hard freeze) the median last spring date is Mar 25 and the median first fall date is Nov 9.

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	Mar 20	Nov 9	Feb 23	Nov 10
2024	Mar 28	Nov 25	Feb 28	Nov 26
2023	Mar 29	Oct 29	Mar 19	Oct 30
2022	Mar 24	Nov 5	Mar 13	Nov 12
2021	Mar 3	Nov 13	Mar 2	Nov 19
2020	Apr 15	Oct 24	Apr 15	Oct 24
2019	Apr 12	Oct 26	Mar 31	Oct 29
2018	Apr 15	Oct 15	Apr 15	Nov 9
2017	Mar 15	Oct 27	Mar 15	Nov 20
2016	Mar 21	Nov 19	Mar 20	Nov 19
2015	no data	Nov 12	no data	Nov 21
2007	Apr 14	Nov 6	Apr 8	Nov 15
2006	Mar 26	Oct 22	Mar 26	Nov 2
2005	Mar 28	Oct 24	Mar 3	Oct 24
2004	Apr 14	Nov 4	Feb 27	Nov 30
2003	Apr 10	Nov 6	Mar 30	Nov 6
2002	Apr 5	Oct 31	Mar 27	Nov 25
2001	Mar 27	Nov 20	Mar 16	Nov 20
2000	Mar 18	Oct 9	Mar 17	Oct 9
1999	Mar 16	Nov 2	Mar 15	Nov 24
1998	Apr 5	Nov 10	Mar 21	Dec 8
1997	Apr 14	Oct 26	Apr 13	Oct 26
1996	Apr 7	Nov 11	Mar 26	Nov 17
1995	Apr 11	Oct 24	Apr 11	Nov 11
1994	Apr 29	Nov 10	Apr 6	Nov 25
1993	Apr 2	Oct 27	Mar 18	Oct 29
1992	Apr 2	no data	Mar 11	no data
1991	Mar 14	no data	Mar 14	no data
1990	Apr 12	Nov 4	Mar 25	Nov 28
1989	Apr 11	Oct 19	Mar 22	Oct 19
1988	Mar 31	Nov 16	Mar 19	Nov 20
1987	Apr 3	no data	Apr 3	no data
1986	Mar 21	Oct 13	Mar 21	Nov 10
1985	Mar 31	Sep 30	Mar 31	Nov 16
1984	Apr 5	Sep 30	Mar 19	Sep 30
1983	Apr 15	Nov 10	Apr 15	Nov 11
1982	Apr 22	Oct 20	Apr 6	Nov 4
1981	Apr 6	Oct 23	Mar 9	Nov 10
1980	Apr 4	Oct 29	Mar 21	Oct 29
1979	Apr 4	Oct 10	Apr 4	Nov 3
1978	Mar 26	Oct 27	Mar 17	Nov 7
1977	Apr 5	Oct 12	Mar 22	Oct 12
1974	Apr 17	no data	Mar 25	no data
1972	Apr 1	Oct 19	Mar 29	Nov 17
1971	Apr 7	Oct 31	Apr 7	Nov 7
1970	Apr 5	Oct 28	Apr 5	Oct 28
1969	Mar 29	Oct 14	Mar 26	Nov 4
1968	Apr 24	no data	Apr 24	no data
1967	Mar 18	Oct 27	Mar 18	Nov 4
1966	Apr 21	Oct 16	Mar 24	Oct 16
1965	Mar 31	Nov 27	Mar 26	Nov 27
1964	Apr 8	Nov 19	Apr 8	Nov 20
1963	Mar 14	Nov 2	Mar 14	Nov 18
1960	Apr 3	no data	Mar 23	no data
1959	no data	Oct 27	no data	Nov 5
1958	Mar 31	Nov 1	Mar 26	Nov 18
1957	Apr 14	Oct 26	Apr 14	Oct 26
1956	Apr 11	Nov 8	Apr 11	Nov 9
1955	Mar 28	Oct 24	Mar 28	Nov 3
1954	May 3	Oct 30	Apr 1	Oct 31
1953	Apr 20	Nov 9	Apr 19	Nov 21
1952	Apr 10	Oct 7	Apr 10	Oct 7
1951	Apr 13	Oct 31	Mar 21	Nov 2

"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.