Osceola, NE: frost dates by year

Last spring and first fall frost at NOAA station USC00256375, 1951 to 2025, measured from daily minimum temperatures.

Elevation 1,662 ft, 41.184, -97.551. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 28	Oct 7
Earliest	Mar 31 (1991)	Sep 19 (1971)
Latest	May 21 (1968)	Nov 14 (2024)
Trend	0.7 days earlier per decade	2.2 days later per decade
Years with data	72	72

At 28°F (hard freeze) the median last spring date is Apr 14 and the median first fall date is Oct 19.

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 20	Oct 30	Apr 7	Oct 30
2024	Apr 22	Nov 14	Mar 28	Nov 21
2023	Apr 24	Oct 27	Apr 24	Oct 28
2022	Apr 27	Oct 8	Apr 26	Oct 17
2021	Apr 23	Nov 2	Apr 23	Nov 2
2020	May 10	Oct 23	Apr 18	Oct 24
2019	Apr 28	Oct 12	Apr 15	Oct 12
2018	Apr 20	Oct 11	Apr 16	Oct 15
2017	May 2	Oct 27	Apr 28	Oct 28
2016	Apr 13	Oct 7	Apr 11	Nov 10
2015	Apr 23	Oct 29	Apr 23	Nov 19
2014	May 15	Oct 29	Apr 16	Oct 29
2013	May 4	Oct 18	Apr 25	Oct 25
2012	Apr 23	Oct 5	Apr 12	Oct 6
2011	May 4	Oct 19	Mar 30	Oct 20
2010	Apr 18	Oct 19	Apr 9	Oct 28
2009	Apr 29	Oct 4	Apr 8	Oct 9
2008	Apr 29	Oct 27	Apr 15	Oct 27
2007	Apr 15	Oct 26	Apr 10	Nov 2
2006	Apr 27	Oct 12	Mar 27	Oct 12
2005	May 3	Oct 7	May 1	Oct 7
2004	May 14	Oct 2	Apr 13	Oct 14
2003	Apr 9	Oct 26	Apr 9	Oct 26
2002	May 2	Oct 13	Apr 5	Oct 22
2001	Apr 17	Oct 6	Apr 17	Oct 16
2000	Apr 21	Oct 6	Apr 8	Oct 6
1999	Apr 18	Oct 2	Apr 4	Oct 17
1998	Apr 17	Nov 3	Apr 1	Nov 11
1997	May 13	Oct 21	Apr 14	Oct 26
1996	Apr 30	Oct 10	Apr 13	Oct 30
1995	May 2	Sep 22	Apr 27	Sep 22
1994	Apr 30	Oct 24	Apr 7	Oct 25
1993	Apr 16	Oct 9	Apr 5	Oct 10
1992	Apr 27	Oct 7	Apr 27	Oct 17
1991	Mar 31	Sep 19	Mar 30	Sep 19
1990	May 1	Sep 23	May 1	Oct 10
1989	no data	Sep 23	no data	Sep 23
1988	Apr 27	Oct 4	Apr 18	Oct 4
1987	Apr 12	Oct 3	Apr 6	Oct 11
1986	Apr 22	Oct 12	Apr 22	Oct 12
1985	Apr 14	Sep 24	Apr 9	Oct 1
1984	Apr 30	Sep 26	Apr 1	Sep 26
1983	May 15	Sep 23	Apr 15	Oct 13
1982	Apr 28	Oct 14	Apr 22	Oct 20
1981	May 11	Oct 19	May 10	Oct 22
1980	May 8	Oct 3	May 8	Oct 19
1979	May 11	Oct 4	Apr 9	Oct 13
1978	no data	Oct 6	no data	Oct 7
1977	Apr 5	no data	Apr 5	no data
1976	May 7	Oct 7	May 3	Oct 16
1975	Apr 29	Sep 25	Apr 20	Oct 25
1974	Apr 21	Sep 30	Apr 8	Oct 7
1973	May 15	no data	Apr 10	no data
1972	Apr 24	Oct 7	Apr 8	Oct 18
1971	May 2	Sep 19	Apr 6	Oct 31
1970	May 2	Oct 9	Apr 4	Oct 28
1969	Apr 29	Oct 12	Mar 31	Oct 14
1968	May 21	Oct 4	Apr 5	Oct 27
1967	May 4	Sep 28	May 4	Oct 25
1966	May 13	Oct 1	May 1	Oct 16
1965	Apr 28	Oct 22	Apr 28	Oct 22
1964	Apr 9	Oct 5	Apr 9	Oct 9
1963	Apr 23	Oct 29	Apr 23	Nov 1
1962	Apr 17	Oct 24	Apr 16	Oct 25
1961	May 9	Sep 28	Apr 28	Oct 23
1960	May 1	Oct 19	Apr 10	Oct 19
1959	May 15	no data	Apr 13	no data
1958	Apr 29	Oct 1	Apr 29	Oct 26
1957	Apr 14	Oct 25	Apr 14	Oct 25
1956	May 2	Sep 30	Apr 30	Oct 31
1955	Apr 7	Oct 17	Apr 7	Oct 24
1954	May 5	Oct 16	May 3	Oct 16
1953	May 14	Oct 6	May 14	Oct 24
1952	no data	Oct 5	no data	Oct 5
1951	Apr 26	Sep 28	Apr 22	Sep 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.