Frost history / Dekalb, TX
Dekalb, TX: frost dates by year
Last spring and first fall frost at NOAA station USC00412352, 1980 to 2016, measured from daily minimum temperatures.
Elevation 341 ft, 33.480, -94.618. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Mar 21 | Nov 8 |
| Earliest | Feb 16 (1981) | Oct 9 (2000) |
| Latest | Apr 13 (1997) | Dec 15 (1998) |
| Trend | little change (less than half a day per decade) | little change (less than half a day per decade) |
| Years with data | 19 | 26 |
At 28°F (hard freeze) the median last spring date is Mar 6 and the median first fall date is Nov 20.
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 |
|---|---|---|---|---|
| 2016 | Mar 21 | Nov 13 | Feb 26 | Nov 21 |
| 2015 | no data | Nov 22 | no data | Nov 22 |
| 2014 | Mar 20 | Nov 1 | Mar 5 | Nov 14 |
| 2013 | no data | Nov 13 | no data | Nov 13 |
| 2012 | Feb 27 | Oct 28 | Feb 25 | Nov 13 |
| 2011 | Apr 5 | Oct 20 | Mar 6 | Nov 18 |
| 2010 | no data | Oct 29 | no data | Nov 27 |
| 2002 | Mar 23 | no data | Mar 11 | no data |
| 2001 | Mar 18 | Nov 20 | Feb 19 | Dec 20 |
| 2000 | Apr 10 | Oct 9 | Mar 13 | Nov 10 |
| 1999 | no data | Oct 24 | no data | Nov 3 |
| 1998 | Mar 21 | Dec 15 | Mar 12 | Dec 22 |
| 1997 | Apr 13 | Nov 15 | Feb 11 | Nov 16 |
| 1996 | Mar 21 | Nov 26 | Mar 10 | Dec 17 |
| 1995 | Mar 9 | Nov 4 | Mar 8 | Nov 29 |
| 1994 | Mar 31 | Nov 30 | Mar 10 | Dec 12 |
| 1993 | no data | Oct 30 | no data | Oct 31 |
| 1992 | no data | Nov 5 | no data | Nov 28 |
| 1991 | Mar 30 | Nov 1 | Feb 26 | Nov 2 |
| 1990 | Mar 20 | Nov 29 | Feb 17 | Dec 5 |
| 1989 | Apr 11 | Oct 20 | Mar 9 | Oct 20 |
| 1988 | Mar 19 | Nov 17 | Mar 19 | Nov 22 |
| 1987 | Apr 5 | Nov 11 | Mar 31 | Nov 11 |
| 1986 | Mar 22 | Nov 13 | Mar 1 | Nov 13 |
| 1983 | no data | Oct 13 | no data | Nov 25 |
| 1981 | Feb 16 | Nov 20 | Feb 14 | Dec 5 |
| 1980 | no data | Oct 30 | no data | Nov 19 |
"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.