Webster Dam, KS: frost dates by year

Last spring and first fall frost at NOAA station USC00148648, 1954 to 2025, measured from daily minimum temperatures.

Elevation 1,863 ft, 39.403, -99.419. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 23	Oct 11
Earliest	Mar 31 (1965)	Sep 3 (1974)
Latest	May 16 (2005)	Nov 3 (1961)
Trend	1.3 days later per decade	0.7 days earlier per decade
Years with data	61	61

At 28°F (hard freeze) the median last spring date is Apr 13 and the median first fall date is Oct 22.

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 19	Oct 22	Apr 9	Oct 30
2024	Apr 13	Oct 13	Apr 13	Oct 16
2023	Apr 24	Oct 6	Apr 24	Oct 6
2022	Apr 27	Oct 17	Apr 15	Oct 18
2021	Apr 22	Oct 21	Apr 21	Nov 12
2020	Apr 18	Oct 1	Apr 18	Oct 24
2019	May 11	Oct 11	Apr 15	Oct 11
2018	Apr 27	Oct 11	Apr 20	Oct 15
2017	May 1	Oct 11	Apr 28	Oct 27
2016	Apr 13	Oct 13	Mar 29	Oct 13
2015	May 12	Oct 16	Mar 27	Nov 13
2014	Apr 19	Sep 13	Apr 16	Oct 29
2013	May 4	Oct 13	May 4	Oct 27
2012	May 15	Oct 4	Mar 13	Oct 7
2011	Apr 27	Sep 25	Mar 25	Sep 25
2010	Apr 17	Oct 3	Apr 3	Nov 2
2009	Apr 29	Sep 29	Apr 11	Oct 10
2008	no data	Oct 16	no data	Oct 28
2007	Apr 15	Oct 25	Apr 15	Oct 26
2006	Apr 26	Oct 13	Apr 26	Oct 19
2005	May 16	no data	May 4	no data
2004	May 3	no data	Apr 14	no data
1997	May 14	no data	Apr 15	no data
1996	Apr 15	Oct 18	Apr 13	Oct 31
1995	no data	Sep 21	no data	Sep 22
1994	May 2	Oct 23	Apr 30	Oct 25
1993	Apr 20	Sep 15	Apr 9	Oct 10
1992	Apr 28	Oct 9	Apr 22	Oct 17
1991	May 8	Sep 24	Mar 30	Oct 6
1990	Apr 12	Oct 10	Apr 12	Oct 10
1989	May 7	Sep 24	Apr 13	Oct 18
1988	Apr 28	Oct 26	Apr 27	Oct 28
1987	Apr 12	Oct 3	Apr 6	Oct 11
1986	Apr 23	Oct 12	Apr 22	Oct 13
1985	Apr 9	no data	Apr 9	no data
1984	no data	Sep 26	no data	Sep 26
1983	May 16	Sep 21	Apr 18	Nov 10
1982	Apr 22	Sep 21	Apr 22	Oct 20
1981	May 11	Oct 22	Mar 20	Oct 22
1980	May 9	no data	Apr 15	no data
1979	Apr 7	Oct 24	Mar 31	Nov 2
1978	Apr 22	Oct 6	Apr 21	Oct 16
1977	Apr 6	Oct 3	Apr 5	Oct 16
1976	May 4	Sep 28	May 3	Sep 28
1975	May 8	Sep 25	Apr 20	Oct 18
1974	Apr 17	Sep 3	Apr 5	Nov 6
1973	Apr 16	Oct 12	Apr 11	Oct 29
1972	Apr 9	Oct 18	Apr 9	Oct 19
1971	Apr 8	Oct 24	Apr 7	Oct 31
1970	no data	Oct 9	no data	Oct 16
1969	Apr 19	Oct 14	Mar 31	Oct 14
1968	Apr 25	Oct 4	Apr 24	Nov 11
1967	May 4	Sep 28	Apr 27	Oct 19
1966	May 13	Oct 5	May 13	Oct 15
1965	Mar 31	Oct 13	Mar 31	Nov 9
1964	Apr 14	Oct 5	Apr 9	Oct 6
1963	Apr 23	Nov 1	Apr 5	Nov 2
1962	Apr 14	Oct 25	Apr 13	Oct 25
1961	May 2	Nov 3	Apr 16	Nov 3
1960	Apr 10	Oct 19	Mar 26	Nov 3
1959	Apr 14	Oct 11	Apr 14	Oct 27
1958	Apr 24	Oct 1	Apr 7	Oct 30
1957	Apr 9	Oct 25	Apr 9	Oct 25
1956	no data	Oct 21	no data	Oct 23
1955	Apr 7	Oct 24	Apr 7	Oct 24
1954	May 3	Oct 16	Apr 4	Oct 28

"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.