Frost history / Carta Valley, TX
Carta Valley, TX: frost dates by year
Last spring and first fall frost at NOAA station USC00411492, 1963 to 2013, measured from daily minimum temperatures.
Elevation 1,851 ft, 29.791, -100.674. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Mar 17 | Nov 9 |
| Earliest | Feb 16 (2007) | Oct 2 (1992) |
| Latest | Apr 14 (1980) | Dec 23 (2007) |
| Trend | 3.7 days earlier per decade | 0.9 days later per decade |
| Years with data | 33 | 35 |
At 28°F (hard freeze) the median last spring date is Mar 7 and the median first fall date is Nov 22.
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 |
|---|---|---|---|---|
| 2013 | Mar 5 | no data | Feb 28 | no data |
| 2011 | Mar 7 | Nov 9 | Feb 12 | Nov 27 |
| 2010 | Mar 22 | Nov 5 | Mar 21 | Nov 26 |
| 2009 | no data | Oct 30 | no data | Nov 16 |
| 2007 | Feb 16 | Dec 23 | Feb 16 | Dec 25 |
| 2006 | Mar 15 | Nov 11 | Feb 13 | Nov 13 |
| 2005 | no data | Dec 8 | no data | Dec 8 |
| 2002 | Mar 23 | Nov 28 | Mar 5 | Dec 5 |
| 2000 | Feb 28 | no data | Feb 1 | no data |
| 1997 | Feb 23 | no data | Feb 16 | no data |
| 1996 | Mar 28 | Oct 23 | Mar 10 | Nov 26 |
| 1992 | Mar 12 | Oct 2 | Mar 12 | Nov 5 |
| 1991 | Feb 24 | Nov 1 | Feb 1 | Nov 4 |
| 1990 | no data | Oct 22 | no data | Dec 4 |
| 1989 | no data | Oct 19 | no data | Oct 19 |
| 1988 | Apr 11 | no data | Mar 19 | no data |
| 1987 | no data | Nov 11 | no data | Nov 11 |
| 1986 | Mar 21 | no data | Feb 19 | no data |
| 1984 | Mar 6 | Nov 11 | Feb 28 | Nov 28 |
| 1983 | Apr 9 | Nov 10 | Apr 9 | Nov 24 |
| 1982 | Mar 7 | Nov 4 | Mar 7 | Nov 4 |
| 1981 | no data | Nov 2 | no data | Nov 10 |
| 1980 | Apr 14 | Oct 30 | Apr 14 | Oct 31 |
| 1979 | Mar 7 | Nov 13 | Mar 7 | Nov 22 |
| 1978 | Mar 17 | Nov 17 | Mar 4 | Dec 4 |
| 1977 | Mar 7 | Oct 13 | Mar 7 | Nov 10 |
| 1976 | Mar 31 | Oct 9 | Mar 31 | Oct 20 |
| 1975 | Apr 3 | Nov 13 | Apr 3 | Nov 13 |
| 1974 | Feb 25 | Oct 16 | Feb 25 | Nov 25 |
| 1973 | Apr 9 | Nov 21 | Apr 9 | Nov 28 |
| 1972 | Mar 31 | Nov 15 | Feb 17 | Nov 16 |
| 1971 | Apr 7 | Nov 20 | Apr 7 | none |
| 1970 | Apr 6 | Nov 1 | Mar 12 | Nov 3 |
| 1969 | Mar 17 | Nov 3 | Mar 17 | Nov 15 |
| 1968 | Mar 23 | Nov 11 | Mar 22 | Nov 28 |
| 1967 | Mar 8 | Oct 31 | Mar 1 | Dec 3 |
| 1966 | Mar 6 | Nov 2 | Mar 6 | Nov 2 |
| 1965 | Mar 26 | Nov 30 | Mar 20 | Dec 20 |
| 1964 | Mar 21 | Nov 20 | Mar 10 | Nov 21 |
| 1963 | 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.