Frost history / Enterprise 4 W, AL
Enterprise 4 W, AL: frost dates by year
Last spring and first fall frost at NOAA station USC00012675, 1966 to 2014, measured from daily minimum temperatures.
Elevation 337 ft, 31.297, -85.900. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Mar 8 | Nov 22 |
| Earliest | Jan 26 (1990) | Nov 1 (1993) |
| Latest | Apr 5 (1987) | Dec 25 (2001) |
| Trend | 2.3 days earlier per decade | 2.7 days later per decade |
| Years with data | 39 | 34 |
At 28°F (hard freeze) the median last spring date is Feb 20 and the median first fall date is Dec 9.
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 |
|---|---|---|---|---|
| 2014 | Mar 27 | no data | Feb 28 | no data |
| 2013 | Mar 28 | Nov 13 | Feb 17 | Dec 17 |
| 2012 | Feb 14 | Nov 25 | Feb 13 | Nov 25 |
| 2011 | Feb 13 | Nov 12 | Feb 13 | Dec 1 |
| 2005 | Mar 2 | no data | Mar 2 | no data |
| 2004 | Feb 9 | Dec 14 | Feb 8 | Dec 15 |
| 2003 | Mar 31 | Nov 25 | Jan 26 | none |
| 2002 | Mar 23 | Nov 23 | Mar 5 | Dec 26 |
| 2001 | Jan 26 | Dec 25 | Jan 22 | Dec 26 |
| 2000 | Feb 6 | Nov 21 | Feb 5 | Dec 18 |
| 1999 | Feb 22 | Dec 1 | Feb 22 | Dec 26 |
| 1998 | Mar 14 | no data | Mar 13 | no data |
| 1997 | Feb 12 | no data | Jan 19 | no data |
| 1996 | Mar 11 | Nov 27 | Mar 10 | Dec 19 |
| 1995 | Mar 9 | Nov 12 | Feb 10 | Dec 10 |
| 1994 | Feb 27 | Dec 12 | Feb 14 | none |
| 1993 | Mar 16 | Nov 1 | Mar 15 | Nov 1 |
| 1992 | Mar 11 | Nov 29 | Feb 9 | none |
| 1991 | Feb 17 | Nov 4 | Feb 17 | Nov 4 |
| 1990 | Jan 26 | Dec 5 | none | Dec 5 |
| 1989 | Feb 26 | no data | Feb 25 | no data |
| 1988 | Mar 16 | Nov 29 | Mar 15 | Dec 13 |
| 1987 | Apr 5 | Nov 12 | Feb 10 | Dec 5 |
| 1986 | Mar 23 | no data | Mar 22 | no data |
| 1985 | no data | Dec 3 | no data | Dec 3 |
| 1984 | Mar 10 | Nov 13 | Mar 1 | Dec 7 |
| 1983 | Mar 22 | Nov 25 | Feb 8 | Dec 25 |
| 1982 | Mar 8 | Nov 6 | Feb 7 | Dec 13 |
| 1981 | Feb 13 | Nov 21 | Feb 13 | Dec 19 |
| 1980 | Mar 4 | Nov 19 | Mar 4 | Dec 25 |
| 1979 | Mar 26 | Nov 30 | Feb 11 | Nov 30 |
| 1978 | Mar 6 | Dec 10 | Mar 6 | Dec 10 |
| 1976 | no data | Nov 5 | no data | Nov 8 |
| 1974 | Mar 1 | no data | Feb 27 | no data |
| 1973 | Feb 22 | Nov 30 | Feb 18 | Dec 8 |
| 1972 | Feb 21 | no data | Feb 6 | no data |
| 1971 | Mar 21 | Nov 22 | Mar 5 | none |
| 1970 | Mar 15 | Nov 17 | Mar 14 | Nov 24 |
| 1969 | Mar 27 | Nov 15 | Mar 12 | Nov 15 |
| 1968 | Mar 25 | Nov 13 | Mar 24 | Nov 13 |
| 1967 | Feb 27 | Nov 5 | Feb 27 | Dec 23 |
| 1966 | no data | Nov 3 | no data | Nov 3 |
"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.