Ellsworth, KS: frost dates by year

Last spring and first fall frost at NOAA station USC00142459, 1951 to 2024, measured from daily minimum temperatures.

Elevation 1,568 ft, 38.730, -98.225. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 24	Oct 12
Earliest	Apr 5 (1960)	Sep 15 (1993)
Latest	May 15 (1983)	Nov 13 (2021)
Trend	little change (less than half a day per decade)	little change (less than half a day per decade)
Years with data	63	64

At 28°F (hard freeze) the median last spring date is Apr 14 and the median first fall date is Oct 25.

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