Frost history / Waco Dam, TX
Waco Dam, TX: frost dates by year
Last spring and first fall frost at NOAA station USC00419417, 1965 to 2018, measured from daily minimum temperatures.
Elevation 495 ft, 31.600, -97.217. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Mar 13 | Nov 20 |
| Earliest | Jan 8 (2017) | Oct 20 (1976) |
| Latest | Apr 15 (1983) | Dec 25 (1965) |
| Trend | 1.7 days earlier per decade | 0.5 days later per decade |
| Years with data | 41 | 37 |
At 28°F (hard freeze) the median last spring date is Feb 19 and the median first fall date is Dec 7.
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 |
|---|---|---|---|---|
| 2018 | Feb 13 | no data | Feb 13 | no data |
| 2017 | Jan 8 | Dec 9 | Jan 8 | Dec 9 |
| 2016 | no data | Nov 20 | no data | Dec 18 |
| 2015 | no data | Nov 22 | no data | none |
| 2014 | Mar 5 | no data | Mar 5 | no data |
| 2013 | Mar 27 | no data | Feb 1 | no data |
| 2011 | Apr 6 | no data | Feb 12 | no data |
| 2010 | Mar 21 | no data | Feb 17 | no data |
| 2009 | Mar 2 | Dec 5 | Mar 1 | Dec 5 |
| 2007 | Mar 5 | no data | Mar 5 | no data |
| 2006 | Mar 24 | Nov 21 | Feb 20 | Dec 1 |
| 2005 | Mar 17 | no data | Feb 27 | no data |
| 2004 | Feb 27 | Dec 1 | Feb 7 | Dec 15 |
| 2003 | Apr 11 | Nov 24 | Apr 9 | Nov 24 |
| 2002 | Mar 27 | no data | Mar 4 | no data |
| 2001 | Feb 19 | Nov 21 | Feb 13 | Dec 24 |
| 1993 | Mar 14 | Oct 30 | Mar 13 | Oct 31 |
| 1992 | Feb 8 | Nov 5 | Jan 17 | Nov 5 |
| 1991 | Feb 26 | Nov 1 | Feb 2 | Nov 3 |
| 1990 | Feb 6 | Nov 30 | Jan 29 | Nov 30 |
| 1989 | Apr 11 | Nov 3 | Mar 8 | Dec 9 |
| 1988 | Mar 20 | Nov 17 | Mar 20 | Dec 28 |
| 1987 | Apr 5 | Nov 11 | Feb 19 | Dec 15 |
| 1986 | Mar 21 | Nov 13 | Feb 12 | Nov 13 |
| 1985 | Feb 13 | Dec 1 | Feb 12 | Dec 1 |
| 1984 | Mar 1 | Nov 21 | Feb 28 | none |
| 1983 | Apr 15 | Nov 11 | Feb 7 | Dec 17 |
| 1982 | Mar 7 | Nov 4 | Mar 7 | Nov 15 |
| 1981 | Mar 19 | Dec 5 | Feb 14 | Dec 18 |
| 1980 | Mar 18 | Oct 30 | Mar 3 | Dec 21 |
| 1979 | Mar 5 | Nov 14 | Feb 19 | Nov 29 |
| 1978 | Mar 9 | Nov 18 | Mar 5 | Dec 8 |
| 1977 | Mar 6 | Nov 10 | Feb 7 | Dec 6 |
| 1976 | Mar 17 | Oct 20 | Feb 8 | Nov 14 |
| 1975 | no data | Nov 14 | no data | Nov 23 |
| 1974 | Mar 25 | Nov 30 | Feb 26 | Nov 30 |
| 1973 | Apr 10 | Dec 10 | Feb 11 | Dec 20 |
| 1972 | Feb 13 | Nov 22 | Feb 9 | Dec 6 |
| 1971 | Mar 7 | Dec 18 | Mar 4 | none |
| 1970 | Feb 10 | Nov 16 | Feb 4 | Nov 16 |
| 1969 | Mar 13 | Nov 20 | Mar 10 | Dec 31 |
| 1968 | Mar 23 | Nov 9 | Mar 23 | Dec 8 |
| 1967 | Mar 9 | Dec 3 | Mar 9 | Dec 22 |
| 1966 | Mar 24 | Nov 2 | Mar 7 | Dec 11 |
| 1965 | no data | Dec 25 | no data | Dec 26 |
"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.