Frost history / Stillhouse Hollow Dam, TX
Stillhouse Hollow Dam, TX: frost dates by year
Last spring and first fall frost at NOAA station USC00418646, 1965 to 2017, measured from daily minimum temperatures.
Elevation 706 ft, 31.037, -97.528. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Mar 9 | Nov 21 |
| Earliest | Feb 5 (2000) | Oct 20 (1989) |
| Latest | May 15 (2014) | Dec 22 (1998) |
| Trend | 0.5 days later per decade | little change (less than half a day per decade) |
| Years with data | 42 | 42, 1 with no freeze |
At 28°F (hard freeze) the median last spring date is Feb 22 and the median first fall date is Dec 6.
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 | Nov 25 | no data | Nov 25 |
| 2016 | Feb 7 | no data | Feb 4 | no data |
| 2015 | Mar 7 | Nov 23 | Mar 7 | none |
| 2014 | May 15 | Nov 12 | Mar 4 | Nov 12 |
| 2013 | Mar 27 | no data | Jan 17 | no data |
| 2012 | Feb 25 | Dec 11 | Feb 13 | Dec 11 |
| 2011 | Mar 6 | no data | Feb 12 | no data |
| 2010 | Feb 25 | no data | Feb 17 | no data |
| 2009 | Mar 29 | Dec 3 | Mar 29 | Dec 5 |
| 2008 | no data | Nov 16 | no data | Dec 8 |
| 2002 | Mar 23 | no data | Mar 10 | no data |
| 2001 | Feb 18 | Nov 29 | Feb 11 | Nov 29 |
| 2000 | Feb 5 | Nov 14 | Jan 31 | Dec 12 |
| 1999 | Mar 15 | Dec 6 | Jan 15 | Dec 6 |
| 1998 | Mar 13 | Dec 22 | Mar 10 | Dec 22 |
| 1997 | Feb 15 | Nov 16 | Jan 30 | Dec 13 |
| 1996 | Apr 7 | Nov 25 | Mar 21 | Dec 18 |
| 1995 | Mar 9 | Nov 11 | Mar 9 | Dec 9 |
| 1994 | Mar 10 | Dec 1 | Feb 14 | none |
| 1993 | Mar 14 | Oct 30 | Mar 14 | Oct 31 |
| 1992 | Mar 11 | Nov 5 | Feb 8 | Nov 27 |
| 1991 | Feb 27 | Nov 1 | Feb 26 | Nov 1 |
| 1990 | Mar 26 | Nov 5 | Feb 6 | Nov 30 |
| 1989 | Mar 23 | Oct 20 | Mar 8 | Dec 4 |
| 1988 | no data | Nov 21 | no data | Nov 28 |
| 1987 | Mar 31 | no data | Mar 31 | no data |
| 1986 | Mar 1 | Nov 13 | Feb 13 | Nov 13 |
| 1985 | no data | Dec 1 | no data | Dec 2 |
| 1984 | Mar 2 | Nov 24 | Mar 1 | none |
| 1983 | Mar 21 | Nov 28 | Feb 8 | Dec 19 |
| 1982 | Mar 7 | Dec 12 | Feb 13 | Dec 12 |
| 1981 | Feb 13 | Dec 15 | Feb 13 | Dec 18 |
| 1980 | Mar 19 | Nov 18 | Mar 4 | Nov 18 |
| 1979 | Mar 6 | Nov 14 | Feb 18 | Nov 30 |
| 1978 | Mar 9 | Dec 4 | Mar 5 | Dec 8 |
| 1977 | Feb 27 | Nov 10 | Feb 6 | Dec 6 |
| 1976 | Feb 22 | Nov 13 | Feb 8 | Nov 15 |
| 1975 | Mar 31 | Nov 21 | Mar 14 | Nov 23 |
| 1974 | Mar 25 | Dec 1 | Feb 26 | Dec 1 |
| 1973 | Apr 10 | Dec 6 | Feb 12 | Dec 20 |
| 1972 | Mar 2 | Nov 16 | Mar 2 | Dec 6 |
| 1971 | Mar 7 | none | Mar 4 | none |
| 1970 | Feb 10 | Nov 16 | Feb 4 | Nov 24 |
| 1969 | Mar 13 | Nov 19 | Mar 10 | Dec 31 |
| 1968 | Mar 23 | Dec 6 | Mar 13 | Dec 14 |
| 1967 | no data | Nov 4 | no data | Dec 22 |
| 1966 | Mar 7 | Nov 2 | Mar 7 | Nov 3 |
| 1965 | no data | Dec 19 | no data | Dec 25 |
"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.