Frost history / Pilot Point Isl Du Boi, TX
Pilot Point Isl Du Boi, TX: frost dates by year
Last spring and first fall frost at NOAA station USC00417028, 1961 to 2002, measured from daily minimum temperatures.
Elevation 690 ft, 33.366, -97.012. Download the data (JSON) · NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Mar 22 | Nov 12 |
| Earliest | Jan 16 (1999) | Oct 20 (1976) |
| Latest | Apr 15 (1983) | Dec 23 (1998) |
| Trend | 3.3 days earlier per decade | little change (less than half a day per decade) |
| Years with data | 39 | 38 |
At 28°F (hard freeze) the median last spring date is Mar 6 and the median first fall date is Nov 27.
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 |
|---|---|---|---|---|
| 2002 | no data | Nov 26 | no data | Nov 27 |
| 2000 | Feb 7 | no data | Feb 6 | no data |
| 1999 | Jan 16 | no data | Jan 11 | no data |
| 1998 | Mar 14 | Dec 23 | Mar 13 | Dec 23 |
| 1997 | Apr 13 | Nov 12 | Feb 6 | Nov 16 |
| 1996 | Mar 30 | Nov 3 | Mar 30 | Nov 25 |
| 1995 | Mar 9 | Nov 11 | Mar 9 | Nov 11 |
| 1994 | Apr 8 | no data | Apr 7 | no data |
| 1993 | Mar 15 | Oct 30 | Mar 15 | Oct 30 |
| 1992 | Mar 10 | Nov 5 | Jan 20 | Nov 27 |
| 1991 | Feb 26 | Nov 1 | Feb 16 | Nov 2 |
| 1990 | Mar 25 | Dec 6 | Feb 22 | Dec 21 |
| 1989 | Mar 22 | Nov 17 | Mar 8 | Dec 9 |
| 1988 | Mar 19 | Nov 21 | Mar 15 | Dec 16 |
| 1987 | Apr 4 | Nov 11 | Apr 3 | Dec 15 |
| 1986 | Mar 20 | Nov 11 | Feb 21 | Nov 13 |
| 1985 | Feb 17 | Nov 20 | Feb 13 | Nov 20 |
| 1984 | Mar 10 | Nov 21 | Mar 9 | Nov 28 |
| 1983 | Apr 15 | Nov 11 | Feb 7 | Nov 29 |
| 1982 | Apr 6 | Nov 4 | Feb 14 | Nov 13 |
| 1981 | Mar 24 | Nov 20 | Feb 15 | Dec 17 |
| 1980 | no data | Oct 30 | no data | Nov 19 |
| 1979 | Mar 6 | Nov 10 | Mar 5 | Nov 23 |
| 1978 | Mar 18 | Nov 8 | Mar 6 | Dec 4 |
| 1977 | Mar 22 | Nov 10 | Feb 28 | Dec 6 |
| 1976 | Mar 14 | Oct 20 | Feb 8 | Nov 13 |
| 1975 | Apr 4 | Nov 13 | Apr 3 | Nov 21 |
| 1974 | Mar 25 | Nov 15 | Mar 24 | Nov 30 |
| 1973 | Apr 10 | Dec 5 | Feb 17 | Dec 7 |
| 1972 | Mar 4 | Nov 16 | Mar 2 | Nov 22 |
| 1971 | Apr 7 | Nov 7 | Mar 7 | none |
| 1970 | Apr 2 | Nov 15 | Mar 13 | Nov 15 |
| 1969 | Mar 26 | Nov 15 | Mar 13 | Nov 19 |
| 1968 | Mar 24 | Nov 9 | Mar 23 | Nov 12 |
| 1967 | Mar 9 | Nov 4 | Mar 9 | Dec 3 |
| 1966 | Mar 25 | Nov 2 | Mar 6 | Nov 2 |
| 1965 | Mar 28 | Nov 30 | Mar 27 | Dec 25 |
| 1964 | Mar 27 | Nov 20 | Mar 27 | Nov 21 |
| 1963 | Mar 6 | Nov 23 | Mar 6 | Dec 12 |
| 1962 | Mar 17 | Dec 6 | Mar 7 | Dec 11 |
| 1961 | Mar 1 | Nov 17 | Mar 1 | Dec 12 |
"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 1991–2020 frost probabilities.