Hooker, OK: frost dates by year

Last spring and first fall frost at NOAA station USC00344298, 1951 to 2025, measured from daily minimum temperatures.

Elevation 3,001 ft, 36.859, -101.221. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 16	Oct 19
Earliest	Mar 21 (1963)	Sep 21 (1983)
Latest	May 15 (1983)	Nov 14 (1965)
Trend	1.1 days earlier per decade	little change (less than half a day per decade)
Years with data	67	65

At 28°F (hard freeze) the median last spring date is Apr 8 and the median first fall date is Oct 31.

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 7	Oct 29	Apr 7	Oct 30
2024	Apr 8	Nov 5	Mar 28	Nov 14
2023	Apr 16	Oct 15	Apr 6	Oct 29
2022	Apr 17	Oct 19	Apr 14	Nov 11
2021	Apr 21	Oct 16	Apr 20	Nov 4
2020	Apr 17	Oct 16	Apr 17	Oct 23
2019	Apr 14	Oct 11	Apr 14	Oct 11
2018	no data	Oct 14	no data	Nov 9
2014	Apr 30	no data	Apr 15	no data
2013	May 5	Oct 19	May 3	Nov 12
2010	Apr 8	Oct 28	Apr 8	Nov 6
2009	Apr 8	Oct 11	Apr 8	Oct 11
2007	Apr 14	Oct 26	Apr 8	Nov 3
2006	Apr 26	Oct 31	Apr 8	Oct 31
2005	Apr 12	Oct 24	Mar 27	Nov 16
2004	Apr 13	Nov 2	Apr 13	Nov 3
2003	Apr 12	Oct 26	Apr 12	Oct 26
2002	Apr 4	Oct 23	Apr 4	Oct 30
2001	Mar 27	Oct 6	Mar 26	Nov 20
2000	Apr 16	no data	Apr 16	no data
1999	Apr 17	Oct 18	Apr 17	Nov 2
1998	no data	Nov 5	no data	Nov 10
1997	May 3	no data	Apr 15	no data
1996	Apr 16	Oct 18	Mar 31	Oct 18
1995	Apr 27	Oct 20	Apr 13	Oct 24
1994	Apr 30	Nov 5	Apr 28	Nov 5
1993	Apr 17	Oct 10	Mar 19	Oct 27
1992	Apr 21	Oct 8	Apr 2	Nov 4
1991	Mar 31	Oct 5	Mar 30	Oct 19
1990	May 1	Oct 18	Mar 27	Oct 21
1989	Apr 13	Oct 18	Apr 11	Oct 18
1988	Apr 12	Oct 28	Mar 26	Nov 16
1987	Apr 7	Nov 9	Apr 4	Nov 9
1986	Apr 16	Oct 12	Mar 22	Oct 14
1985	Apr 6	Sep 29	Apr 1	Nov 10
1984	May 8	no data	Apr 27	no data
1983	May 15	Sep 21	Apr 15	Nov 10
1982	Apr 22	Oct 11	Apr 22	Oct 20
1981	Apr 1	Oct 23	Apr 1	Oct 26
1980	Apr 14	Oct 17	Apr 9	Oct 24
1979	May 4	Oct 22	Apr 6	Nov 1
1978	May 4	Oct 26	Mar 16	Nov 7
1977	Apr 3	Oct 11	Mar 31	Oct 12
1976	Apr 1	Oct 8	Apr 1	Oct 16
1975	Apr 14	Sep 25	Apr 9	Oct 24
1974	Apr 16	Oct 15	Apr 16	Nov 5
1973	Apr 27	Oct 29	Apr 10	Nov 3
1972	Apr 4	Oct 19	Apr 2	Oct 31
1971	May 13	Oct 29	Apr 14	Nov 3
1970	May 1	Oct 8	May 1	Oct 8
1969	Apr 28	Oct 12	Mar 30	Oct 16
1968	Apr 24	Oct 24	Apr 24	Nov 7
1967	May 2	Oct 25	Mar 18	Oct 27
1966	May 13	Oct 15	May 13	Oct 15
1965	Mar 30	Nov 14	Mar 30	Nov 27
1964	Apr 13	Oct 19	Apr 8	Nov 19
1963	Mar 21	Nov 1	Mar 17	Nov 18
1962	Apr 9	Oct 29	Apr 2	Nov 5
1961	Apr 16	Sep 25	Apr 16	Nov 2
1960	May 1	Oct 30	Mar 17	Nov 9
1959	Apr 23	Oct 27	Apr 22	Oct 27
1958	Apr 24	Oct 1	Mar 25	Oct 23
1957	Apr 14	Oct 25	Apr 14	Oct 26
1956	Apr 29	Oct 26	Apr 11	Oct 31
1955	Apr 14	Oct 24	Mar 31	Oct 24
1954	May 3	Oct 15	May 3	Oct 28
1953	May 14	Nov 8	May 14	Nov 9
1952	Apr 13	Oct 7	Apr 10	Oct 7
1951	Apr 21	Oct 7	Apr 13	Oct 31

"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.