Madill, OK: frost dates by year

Last spring and first fall frost at NOAA station USC00345468, 1951 to 2019, measured from daily minimum temperatures.

Elevation 770 ft, 34.092, -96.771. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Mar 24	Nov 9
Earliest	Feb 26 (2012)	Oct 16 (1952)
Latest	Apr 19 (1953)	Dec 9 (1998)
Trend	1.0 days earlier per decade	0.7 days later per decade
Years with data	66	66

At 28°F (hard freeze) the median last spring date is Mar 9 and the median first fall date is Nov 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	Apr 1	Oct 31	Mar 7	Oct 31
2018	Apr 16	Nov 10	Feb 22	Nov 10
2017	Mar 17	Oct 28	Feb 26	Dec 8
2016	Mar 21	Nov 20	Feb 27	Nov 20
2015	Mar 7	Nov 22	Mar 7	Nov 22
2014	Apr 16	Nov 1	Mar 5	Nov 12
2013	Mar 28	Nov 13	Mar 28	Nov 13
2012	Feb 26	Oct 29	Feb 13	Nov 13
2011	Mar 16	Nov 4	Mar 7	Nov 28
2010	Mar 22	Nov 6	Mar 4	Nov 26
2009	Apr 8	Dec 1	Mar 3	Dec 4
2008	Mar 24	Oct 28	Mar 8	Nov 21
2007	Mar 6	Nov 22	Mar 6	Nov 23
2006	Mar 25	Nov 3	Mar 24	Nov 30
2005	Mar 17	Nov 16	Mar 17	Nov 17
2004	Feb 27	Nov 25	Feb 19	Dec 1
2003	Apr 10	no data	Mar 9	no data
2002	no data	Nov 27	no data	Nov 27
2001	Mar 2	Nov 20	Feb 22	Nov 29
2000	Mar 13	no data	Feb 7	no data
1999	Mar 16	Nov 3	Mar 16	Dec 6
1998	no data	Dec 9	no data	Dec 9
1996	Mar 25	Oct 18	Mar 25	Nov 24
1995	Mar 9	Nov 4	Mar 9	Nov 4
1994	Apr 7	Nov 28	Feb 27	Nov 30
1993	Apr 2	Oct 30	Mar 14	Oct 30
1992	Apr 3	Nov 5	Mar 23	Nov 5
1991	Mar 14	Nov 1	Feb 27	Nov 1
1990	Apr 8	Nov 5	Feb 17	Dec 4
1989	Apr 11	Oct 19	Apr 11	Oct 20
1988	Mar 30	Nov 17	Mar 19	Nov 22
1987	Apr 6	Nov 11	Mar 30	Nov 11
1986	Mar 21	Nov 11	Mar 21	Nov 11
1985	Mar 5	Nov 20	Feb 15	Nov 20
1984	Mar 20	Nov 21	Mar 9	Nov 22
1983	Mar 28	Nov 11	Mar 22	Nov 24
1982	Mar 7	Oct 25	Feb 11	Nov 13
1981	Mar 19	Nov 11	Feb 14	Dec 17
1980	Mar 18	Oct 30	Mar 6	Nov 19
1979	Mar 25	Nov 10	Mar 5	Nov 13
1978	Mar 17	Nov 28	Mar 5	Dec 3
1977	Mar 22	Nov 10	Feb 27	Dec 6
1976	Mar 16	Oct 20	Feb 22	Nov 5
1975	Apr 3	Nov 13	Apr 3	Nov 23
1974	Mar 24	Nov 29	Mar 24	Nov 30
1973	Apr 10	Dec 5	Feb 16	Dec 7
1972	Mar 5	Nov 17	Mar 2	Nov 29
1971	Mar 26	Nov 7	Mar 20	Dec 13
1970	Apr 2	Nov 15	Mar 13	Nov 15
1969	Mar 26	Nov 14	Mar 13	Nov 15
1968	Mar 23	Nov 9	Mar 23	Nov 9
1967	Mar 9	Nov 4	Mar 8	Nov 4
1966	Mar 24	Nov 2	Mar 7	Nov 2
1965	Mar 27	Nov 27	Mar 27	Nov 30
1964	Apr 9	Nov 20	Mar 26	Nov 21
1963	Mar 22	Nov 2	Mar 1	Nov 24
1962	Apr 2	Nov 4	Mar 16	Dec 6
1961	Mar 1	Nov 3	Feb 19	Dec 10
1960	Mar 18	Nov 10	Mar 18	Nov 10
1959	Apr 14	Nov 6	Mar 22	Nov 6
1958	Mar 20	Nov 18	Mar 14	Nov 28
1957	Apr 13	Oct 26	Apr 13	Oct 26
1956	Mar 16	Nov 9	Mar 16	Nov 9
1955	Mar 29	Nov 3	Mar 28	Nov 3
1954	Apr 1	Oct 30	Apr 1	Nov 5
1953	Apr 19	Nov 9	Feb 22	Dec 13
1952	Apr 10	Oct 16	Mar 23	Oct 29
1951	Mar 21	Nov 2	Mar 19	Nov 3

"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.