Galva, IL: frost dates by year

Last spring and first fall frost at NOAA station USC00113335, 1951 to 2024, measured from daily minimum temperatures.

Elevation 810 ft, 41.174, -90.035. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 24	Oct 12
Earliest	Apr 2 (1955)	Sep 14 (2007)
Latest	May 20 (2002)	Nov 9 (2016)
Trend	little change (less than half a day per decade)	little change (less than half a day per decade)
Years with data	64	68

At 28°F (hard freeze) the median last spring date is Apr 11 and the median first fall date is Oct 26.

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

"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.