Blanco, TX: frost dates by year

Last spring and first fall frost at NOAA station USC00410832, 1951 to 2020, measured from daily minimum temperatures.

Elevation 1,310 ft, 30.095, -98.414. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Mar 23	Nov 11
Earliest	Feb 9 (1992)	Oct 8 (1952)
Latest	Apr 18 (1999)	Dec 15 (1998)
Trend	0.8 days earlier per decade	0.8 days later per decade
Years with data	64	64

At 28°F (hard freeze) the median last spring date is Mar 7 and the median first fall date is Nov 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
2020	Mar 1	no data	Feb 28	no data
2019	Apr 2	Nov 2	Mar 6	Nov 12
2018	Mar 15	Nov 13	Feb 13	Nov 14
2017	Mar 3	Oct 29	Jan 9	Oct 29
2016	no data	Nov 20	no data	Dec 1
2015	Mar 7	Nov 22	Mar 7	Nov 22
2014	Mar 13	Nov 13	Mar 4	Nov 14
2013	Mar 27	Nov 13	Mar 27	Nov 14
2012	Mar 4	Nov 17	Feb 13	Dec 11
2011	Apr 6	Oct 29	Mar 7	Nov 4
2010	Mar 23	Oct 30	Feb 25	Nov 19
2009	no data	Nov 17	no data	Dec 5
2008	Apr 15	Oct 28	Mar 9	Nov 16
2007	Apr 9	no data	Mar 6	no data
2006	Mar 26	Nov 12	Mar 25	Nov 21
2005	no data	Oct 25	no data	Nov 17
2004	Feb 28	no data	Feb 28	no data
2003	Mar 31	Nov 24	Mar 31	Nov 24
2002	Mar 23	Nov 17	Mar 6	Dec 7
2001	Mar 21	Nov 29	Feb 19	Nov 29
2000	Mar 13	Nov 9	Mar 12	Nov 14
1999	Apr 18	Nov 3	Feb 22	Nov 26
1998	Mar 12	Dec 15	Mar 12	Dec 22
1997	Feb 22	Nov 16	Feb 12	Dec 13
1996	Apr 8	Oct 23	Mar 22	Nov 26
1995	Mar 10	Nov 12	Mar 10	Nov 12
1994	Apr 8	Dec 1	Mar 11	Dec 25
1993	Mar 15	Oct 31	Mar 15	Oct 31
1992	Feb 9	Nov 5	Feb 9	Nov 5
1991	Mar 11	Nov 2	Feb 3	Nov 4
1990	Mar 20	Nov 5	Feb 6	Nov 30
1989	Mar 23	Oct 20	Mar 10	Oct 20
1988	Apr 13	Nov 17	Mar 20	Nov 22
1987	Apr 5	Nov 11	Apr 4	Nov 11
1986	Mar 22	Nov 13	Mar 2	Nov 14
1985	Feb 13	Dec 2	Feb 13	Dec 2
1984	no data	Nov 11	no data	Nov 22
1981	Mar 19	Nov 20	Feb 15	Dec 2
1980	Apr 14	Oct 30	Mar 19	Oct 30
1979	Mar 6	Nov 11	Feb 26	Nov 14
1978	Mar 18	Nov 8	Mar 17	Dec 8
1977	Mar 8	Oct 13	Mar 8	Nov 10
1976	Mar 18	Oct 20	Mar 17	Nov 13
1975	Apr 4	Nov 13	Apr 3	Nov 14
1974	Mar 25	no data	Feb 27	no data
1973	Apr 11	Nov 29	Feb 16	Dec 8
1972	Feb 19	Nov 15	Feb 10	Nov 26
1971	Apr 8	Dec 4	Mar 20	none
1970	Mar 27	Oct 29	Mar 14	Nov 16
1969	Mar 26	Nov 15	Mar 13	Nov 15
1968	Mar 24	Nov 12	Mar 23	Nov 12
1967	Mar 9	Nov 4	Mar 8	Nov 4
1966	Mar 25	Oct 20	Mar 7	Nov 29
1965	Mar 27	Nov 30	Mar 22	Dec 20
1964	Mar 10	Nov 21	Mar 10	Dec 1
1963	Mar 7	Nov 24	Mar 7	Nov 24
1962	Mar 17	Nov 9	Mar 17	Dec 6
1961	Apr 17	Nov 4	Feb 9	Dec 13
1960	Mar 18	Nov 11	Mar 4	Nov 11
1959	Apr 13	Nov 6	Mar 7	Nov 6
1958	Mar 26	Nov 19	Mar 15	Nov 19
1957	Mar 8	Oct 27	Mar 8	Oct 27
1956	Apr 12	Nov 9	Mar 17	Nov 10
1955	Mar 29	Oct 25	Mar 29	Nov 28
1954	Mar 15	Nov 5	Mar 6	Dec 7
1953	Feb 23	Nov 9	Feb 23	Dec 7
1952	Mar 25	Oct 8	Mar 25	Nov 11
1951	Apr 12	Nov 3	Mar 21	Nov 3

"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.