Culbertson, NE: frost dates by year

Last spring and first fall frost at NOAA station USC00252065, 1951 to 2025, measured from daily minimum temperatures.

Elevation 2,581 ft, 40.232, -100.830. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	May 4	Oct 4
Earliest	Apr 9 (2012)	Sep 3 (1974)
Latest	May 29 (1992)	Oct 28 (1963)
Trend	little change (less than half a day per decade)	1.1 days later per decade
Years with data	74	73

At 28°F (hard freeze) the median last spring date is Apr 23 and the median first fall date is Oct 16.

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