Florence, KS: frost dates by year

Last spring and first fall frost at NOAA station USC00142773, 1951 to 2008, measured from daily minimum temperatures.

Elevation 1,290 ft, 38.242, -96.924. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 22	Oct 11
Earliest	Mar 26 (1999)	Sep 15 (1993)
Latest	May 21 (1968)	Nov 11 (1998)
Trend	2.1 days earlier per decade	little change (less than half a day per decade)
Years with data	58	55

At 28°F (hard freeze) the median last spring date is Apr 8 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
2008	Apr 19	no data	Apr 15	no data
2007	Apr 16	Oct 26	Apr 9	Nov 1
2006	Apr 4	Oct 13	Mar 26	Oct 22
2005	May 4	no data	Apr 23	no data
2004	Apr 12	Oct 2	Apr 12	Oct 2
2003	Apr 9	Oct 25	Apr 9	Nov 6
2002	Apr 26	Oct 12	Apr 4	Nov 3
2001	Apr 18	Oct 26	Mar 27	Oct 26
2000	Apr 8	Oct 7	Apr 4	Oct 7
1999	Mar 26	Oct 4	Mar 26	Oct 18
1998	Apr 19	Nov 11	Mar 21	Nov 11
1997	Apr 14	Oct 26	Apr 14	Oct 27
1996	Apr 30	Oct 18	Apr 23	Oct 31
1995	Apr 27	Sep 22	Mar 31	Oct 21
1994	May 1	Oct 25	Apr 6	Oct 25
1993	Apr 21	Sep 15	Apr 2	Oct 21
1992	Apr 27	Oct 9	Apr 2	Nov 5
1991	May 6	Oct 5	Mar 30	Oct 6
1990	Apr 12	Oct 10	Apr 12	Oct 10
1989	May 6	Sep 24	Apr 19	Oct 19
1988	Apr 27	Oct 12	Mar 19	Oct 28
1987	Apr 12	Oct 3	Apr 5	Oct 21
1986	Apr 22	Nov 6	Apr 22	Nov 9
1985	Apr 2	Oct 1	Mar 17	Oct 1
1984	Apr 30	Sep 30	Mar 30	Sep 30
1983	Apr 16	Sep 21	Apr 15	Nov 11
1982	Apr 22	Oct 11	Apr 21	Oct 21
1981	May 11	Oct 23	Mar 23	Oct 23
1980	Apr 15	Oct 3	Mar 11	Oct 29
1979	May 11	Oct 10	Apr 9	Nov 2
1978	Apr 21	Oct 6	Apr 20	Oct 24
1977	Apr 5	Oct 11	Mar 31	Oct 12
1976	May 3	Oct 8	May 3	Oct 8
1975	Apr 12	Oct 16	Apr 12	Oct 25
1974	Apr 15	Oct 15	Apr 5	Nov 6
1973	May 15	Oct 29	Apr 11	Oct 29
1972	Apr 8	Sep 30	Apr 4	Oct 19
1971	May 13	Oct 10	Apr 6	Nov 3
1970	Apr 21	Oct 16	Apr 5	Oct 16
1969	Apr 29	Oct 14	Mar 30	Oct 14
1968	May 21	Oct 4	Apr 5	Nov 8
1967	May 2	Sep 28	May 2	Nov 5
1966	May 13	Oct 1	Apr 21	Oct 16
1965	Apr 28	Oct 12	Apr 28	Oct 12
1964	Apr 9	Oct 5	Apr 9	Oct 5
1963	May 1	Oct 29	Apr 4	Oct 29
1962	Apr 16	no data	Apr 13	no data
1961	May 2	Oct 20	Apr 18	Oct 26
1960	May 1	Oct 20	Apr 5	Oct 20
1959	Apr 22	Oct 18	Apr 22	Oct 27
1958	Apr 12	Oct 1	Mar 26	Oct 28
1957	Apr 14	Oct 25	Apr 13	Oct 26
1956	Apr 24	Oct 26	Apr 17	Nov 8
1955	Apr 7	Oct 24	Mar 28	Oct 24
1954	May 4	Oct 16	Apr 3	Oct 30
1953	May 14	Oct 7	Apr 20	Nov 21
1952	May 12	Oct 6	Apr 11	Oct 6
1951	Apr 23	Oct 28	Apr 16	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.