Frost history / Sinton, TX
Sinton, TX: frost dates by year
Last spring and first fall frost at NOAA station USC00418354, 1958 to 2017, measured from daily minimum temperatures.
Elevation 48 ft, 28.042, -97.543. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Feb 9 | Dec 9 |
| Earliest | Jan 1 (1991) | Oct 29 (2017) |
| Latest | Apr 7 (1971) | Dec 26 (2012) |
| Trend | 2.9 days earlier per decade | 0.7 days earlier per decade |
| Years with data | 36, 6 with no freeze | 43, 4 with no freeze |
At 28°F (hard freeze) the median last spring date is Feb 1 and the median first fall date is Dec 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 |
|---|---|---|---|---|
| 2017 | no data | Oct 29 | no data | none |
| 2014 | Mar 3 | none | Jan 6 | none |
| 2013 | none | Dec 7 | none | none |
| 2012 | Jan 14 | Dec 26 | none | none |
| 2011 | Feb 12 | Nov 28 | Feb 11 | none |
| 2010 | Jan 30 | Dec 12 | Jan 10 | none |
| 2009 | none | Dec 4 | none | Dec 4 |
| 2008 | Feb 1 | Dec 10 | Jan 2 | none |
| 2007 | no data | Dec 3 | no data | none |
| 2004 | none | Dec 15 | none | Dec 25 |
| 2003 | no data | Nov 29 | no data | Dec 18 |
| 2000 | Jan 6 | no data | Jan 6 | no data |
| 1999 | Jan 11 | Dec 6 | none | none |
| 1998 | none | Dec 23 | none | Dec 26 |
| 1997 | Feb 28 | Dec 13 | Jan 15 | none |
| 1996 | Mar 10 | Dec 19 | Mar 8 | Dec 19 |
| 1995 | none | Dec 10 | none | none |
| 1994 | Feb 12 | none | Feb 3 | none |
| 1993 | Jan 27 | Oct 31 | none | Nov 27 |
| 1992 | Jan 17 | Nov 27 | none | none |
| 1991 | Jan 1 | no data | none | no data |
| 1990 | none | Dec 5 | none | Dec 22 |
| 1989 | no data | Dec 13 | no data | Dec 13 |
| 1980 | Mar 4 | Nov 27 | Mar 4 | none |
| 1979 | no data | Nov 29 | no data | Nov 30 |
| 1978 | Mar 6 | Dec 9 | Jan 21 | Dec 9 |
| 1977 | Jan 31 | Dec 7 | Jan 20 | Dec 22 |
| 1976 | no data | Nov 27 | no data | Nov 28 |
| 1975 | Feb 7 | Nov 23 | Jan 14 | none |
| 1974 | Feb 26 | Nov 30 | Feb 26 | none |
| 1973 | Feb 11 | Dec 20 | Feb 10 | Dec 21 |
| 1972 | Feb 9 | Dec 11 | Feb 4 | Dec 16 |
| 1971 | Apr 7 | none | Feb 9 | none |
| 1970 | Feb 3 | Nov 16 | Jan 7 | Nov 24 |
| 1969 | Jan 10 | Nov 13 | Jan 5 | none |
| 1968 | no data | Dec 24 | no data | none |
| 1967 | Feb 9 | Dec 23 | Feb 7 | Dec 23 |
| 1966 | Mar 6 | Dec 11 | Jan 30 | Dec 11 |
| 1965 | Mar 20 | none | Mar 4 | none |
| 1963 | Feb 15 | Dec 23 | Feb 14 | Dec 23 |
| 1962 | no data | Dec 13 | no data | none |
| 1961 | Jan 31 | Dec 13 | none | Dec 28 |
| 1960 | no data | Dec 21 | no data | none |
| 1959 | Jan 22 | Nov 7 | Jan 22 | Nov 18 |
| 1958 | Feb 13 | Dec 11 | Feb 13 | Dec 16 |
"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.