Frost history / Brackettville, TX
Brackettville, TX: frost dates by year
Last spring and first fall frost at NOAA station USC00411007, 1957 to 2017, measured from daily minimum temperatures.
Elevation 1,120 ft, 29.317, -100.414. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Mar 5 | Nov 19 |
| Earliest | Jan 17 (1983) | Oct 20 (1976) |
| Latest | Apr 10 (1973) | Dec 18 (2016) |
| Trend | 2.8 days earlier per decade | 1.7 days later per decade |
| Years with data | 41 | 48, 1 with no freeze |
At 28°F (hard freeze) the median last spring date is Feb 14 and the median first fall date is Dec 4.
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 |
|---|---|---|---|---|
| 2017 | Jan 29 | Nov 22 | Jan 9 | Dec 24 |
| 2016 | Feb 10 | Dec 18 | Feb 9 | Dec 18 |
| 2015 | Mar 7 | Dec 15 | Mar 6 | Dec 16 |
| 2014 | Mar 4 | Nov 19 | Mar 4 | none |
| 2013 | Mar 3 | Nov 27 | Feb 27 | Nov 27 |
| 2012 | Feb 13 | Dec 11 | Jan 15 | Dec 12 |
| 2011 | Feb 13 | Nov 11 | Feb 13 | Dec 7 |
| 2010 | no data | Dec 1 | no data | Dec 1 |
| 2007 | no data | Nov 26 | no data | Dec 16 |
| 2002 | Mar 6 | no data | Mar 6 | no data |
| 2000 | no data | Nov 9 | no data | Dec 7 |
| 1999 | no data | Oct 24 | no data | Oct 24 |
| 1998 | Apr 4 | no data | Mar 9 | no data |
| 1997 | Feb 15 | Nov 16 | Feb 15 | Dec 13 |
| 1996 | Mar 27 | Oct 23 | Mar 8 | Nov 2 |
| 1995 | Mar 18 | Dec 11 | Jan 31 | none |
| 1994 | no data | Nov 30 | no data | none |
| 1993 | no data | Oct 30 | no data | Oct 31 |
| 1992 | Mar 12 | Nov 5 | Jan 14 | Nov 5 |
| 1991 | Feb 20 | Nov 4 | Feb 10 | Nov 24 |
| 1990 | Mar 2 | Nov 5 | Jan 29 | Dec 5 |
| 1989 | Mar 22 | no data | Mar 7 | no data |
| 1988 | Mar 18 | Nov 21 | Feb 12 | Nov 28 |
| 1987 | Mar 31 | Nov 12 | Mar 31 | Dec 15 |
| 1986 | Feb 12 | Nov 14 | Jan 10 | none |
| 1985 | Feb 8 | Dec 3 | Feb 4 | Dec 13 |
| 1984 | Mar 1 | none | Feb 28 | none |
| 1983 | Jan 17 | Nov 24 | Jan 3 | Dec 20 |
| 1982 | no data | Nov 5 | no data | none |
| 1981 | Feb 12 | no data | Feb 12 | no data |
| 1980 | Mar 3 | Oct 30 | Mar 2 | Nov 28 |
| 1979 | Mar 23 | Nov 13 | Feb 19 | Nov 23 |
| 1978 | no data | Dec 4 | no data | Dec 9 |
| 1977 | no data | Nov 10 | no data | Nov 10 |
| 1976 | no data | Oct 20 | no data | Nov 14 |
| 1975 | Apr 3 | Nov 14 | Feb 24 | Dec 1 |
| 1974 | Feb 27 | Nov 25 | Feb 27 | Nov 30 |
| 1973 | Apr 10 | Nov 29 | Feb 10 | Dec 21 |
| 1972 | Feb 18 | Nov 14 | Feb 4 | Dec 13 |
| 1970 | Mar 13 | Nov 5 | Feb 5 | Nov 15 |
| 1969 | Mar 25 | Nov 5 | Mar 12 | Nov 20 |
| 1968 | Mar 22 | Nov 12 | Jan 14 | Dec 4 |
| 1967 | Mar 7 | Dec 3 | Feb 12 | Dec 3 |
| 1966 | Mar 5 | Nov 2 | Jan 31 | Dec 11 |
| 1965 | Mar 26 | Nov 30 | Mar 20 | none |
| 1964 | Feb 27 | Nov 19 | Feb 21 | Dec 14 |
| 1963 | Mar 6 | Nov 24 | Feb 14 | Dec 22 |
| 1962 | Mar 5 | Nov 20 | Mar 2 | none |
| 1961 | no data | Nov 22 | no data | Dec 12 |
| 1960 | Mar 18 | no data | Feb 26 | no data |
| 1959 | Mar 6 | Nov 6 | Mar 6 | Nov 7 |
| 1958 | Feb 16 | Nov 19 | Jan 21 | Dec 11 |
| 1957 | no data | Nov 24 | no data | Nov 30 |
"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.