Mcpherson, KS: frost dates by year

Last spring and first fall frost at NOAA station USC00145152, 1951 to 2025, measured from daily minimum temperatures.

Elevation 1,520 ft, 38.377, -97.610. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 16	Oct 23
Earliest	Mar 11 (2012)	Sep 30 (1984)
Latest	May 14 (1953)	Nov 13 (2021)
Trend	0.6 days earlier per decade	0.7 days later per decade
Years with data	64	66

At 28°F (hard freeze) the median last spring date is Apr 6 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 15	Oct 30	Apr 6	Nov 10
2024	Apr 13	Oct 16	Mar 28	Oct 16
2023	Apr 23	Oct 28	Apr 23	Oct 30
2022	Apr 27	Oct 18	Apr 10	Oct 19
2021	Apr 23	Nov 13	Apr 22	Nov 13
2020	Apr 18	Oct 26	Apr 16	Oct 26
2019	Apr 14	Oct 11	Apr 12	Oct 26
2018	Apr 20	Oct 15	Apr 17	Oct 15
2017	Apr 27	Oct 27	Mar 16	Oct 28
2016	Apr 13	Nov 12	Apr 2	Nov 19
2015	Apr 10	Oct 29	Apr 5	Nov 13
2014	Apr 19	Nov 1	Apr 16	Nov 1
2013	May 4	Oct 19	Apr 26	Nov 12
2012	Mar 11	Oct 7	Mar 9	Oct 7
2011	Apr 17	Oct 20	Apr 5	Oct 20
2010	Apr 8	Nov 5	Mar 23	Nov 5
2009	no data	Oct 10	no data	Nov 18
2008	Apr 15	Oct 27	Apr 15	Oct 28
2007	Apr 16	Oct 24	Apr 9	Nov 2
2006	Mar 29	Oct 19	Mar 28	Oct 22
2005	May 3	Oct 24	Mar 27	Nov 16
2004	no data	Nov 3	no data	Nov 12
1995	May 6	no data	Apr 11	no data
1994	Apr 29	Oct 25	Apr 6	Oct 25
1993	Mar 26	Oct 10	Mar 23	Oct 27
1992	Apr 3	Nov 4	Apr 1	Nov 5
1991	Mar 30	Oct 6	Mar 30	Oct 29
1990	Apr 12	Oct 10	Apr 11	Nov 5
1989	Apr 11	Oct 18	Apr 10	Oct 19
1988	no data	Oct 28	no data	Oct 28
1987	Apr 5	Oct 21	Apr 4	Nov 9
1986	Apr 16	Nov 5	Mar 21	Nov 9
1985	Apr 8	Oct 1	Mar 31	Nov 19
1984	May 8	Sep 30	Mar 30	Sep 30
1983	Apr 18	Nov 10	Apr 15	Nov 11
1982	Apr 22	Oct 20	Apr 9	Oct 21
1981	Mar 23	Oct 23	Mar 23	Oct 23
1980	Apr 15	Oct 28	Mar 21	Oct 29
1979	Apr 28	Oct 23	Apr 6	Nov 6
1978	Apr 21	Oct 26	Mar 26	Nov 7
1977	Apr 5	Oct 12	Apr 5	Nov 10
1976	May 3	Oct 8	Apr 5	Oct 17
1975	Apr 12	Oct 18	Apr 12	Oct 25
1974	Apr 16	Oct 15	Apr 5	Nov 6
1973	Apr 11	Oct 29	Apr 10	Oct 29
1972	Apr 8	Oct 19	Apr 4	Oct 19
1971	Apr 14	Oct 31	Apr 7	Nov 6
1970	Apr 14	Oct 9	Apr 14	Oct 16
1969	Apr 6	Oct 14	Mar 30	Oct 14
1968	Apr 24	Oct 28	Apr 5	Nov 11
1967	May 2	Oct 27	May 2	Nov 4
1966	May 13	Oct 16	Apr 21	Oct 16
1965	Apr 28	Oct 12	Mar 31	Nov 9
1964	Apr 14	Oct 9	Apr 14	Nov 19
1963	Apr 4	Nov 1	Mar 21	Nov 13
1962	Apr 13	Oct 25	Apr 13	Oct 25
1961	May 2	Oct 26	Apr 17	Nov 3
1960	Apr 5	Oct 20	Mar 25	Nov 7
1959	Apr 22	Oct 27	Apr 22	Oct 27
1958	Apr 29	Oct 1	Mar 25	Nov 18
1957	Apr 13	Oct 25	Apr 13	Oct 26
1956	Apr 24	Nov 3	Apr 17	Nov 9
1955	Apr 7	Oct 24	Mar 28	Oct 24
1954	May 3	Oct 30	Apr 3	Nov 2
1953	May 14	Oct 27	Apr 20	Oct 27
1952	Apr 10	Oct 6	Apr 10	Oct 7
1951	Apr 16	Oct 19	Apr 16	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.