Frost history / Refugio 2 Nw, TX
Refugio 2 Nw, TX: frost dates by year
Last spring and first fall frost at NOAA station USC00417533, 1985 to 2010, measured from daily minimum temperatures.
Elevation 45 ft, 28.329, -97.295. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Feb 13 | Dec 5 |
| Earliest | Jan 5 (2000) | Oct 31 (1993) |
| Latest | Apr 3 (1987) | Dec 22 (1998) |
| Trend | 4.8 days earlier per decade | little change (less than half a day per decade) |
| Years with data | 16, 2 with no freeze | 23, 2 with no freeze |
At 28°F (hard freeze) the median last spring date is Jan 23 and the median first fall date is Dec 11.
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 |
|---|---|---|---|---|
| 2010 | no data | Nov 27 | no data | Dec 2 |
| 2009 | Mar 3 | Dec 5 | Jan 13 | Dec 5 |
| 2008 | Feb 2 | Dec 11 | Jan 21 | Dec 11 |
| 2007 | Mar 6 | Dec 4 | Feb 17 | none |
| 2006 | no data | Dec 1 | no data | none |
| 2005 | no data | Dec 8 | no data | none |
| 2004 | no data | Dec 1 | no data | Dec 25 |
| 2001 | no data | none | no data | none |
| 2000 | Jan 5 | Dec 14 | Jan 5 | Dec 30 |
| 1999 | Feb 14 | Nov 3 | Jan 10 | Dec 6 |
| 1998 | none | Dec 22 | none | Dec 26 |
| 1997 | Jan 28 | Dec 13 | none | Dec 13 |
| 1996 | Mar 21 | Dec 19 | Mar 10 | Dec 19 |
| 1995 | Jan 31 | Dec 10 | none | Dec 10 |
| 1994 | Feb 11 | none | Feb 10 | none |
| 1993 | Mar 14 | Oct 31 | none | Oct 31 |
| 1992 | Jan 20 | Nov 27 | none | Nov 27 |
| 1991 | Jan 13 | Nov 24 | none | none |
| 1990 | none | Dec 5 | none | Dec 5 |
| 1989 | Mar 9 | Dec 9 | Mar 7 | Dec 13 |
| 1988 | no data | Nov 28 | no data | none |
| 1987 | Apr 3 | no data | Jan 23 | no data |
| 1986 | no data | Dec 12 | no data | none |
| 1985 | no data | Dec 14 | no data | Dec 14 |
"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.