Frost history / Clayton, AL
Clayton, AL: frost dates by year
Last spring and first fall frost at NOAA station USC00011725, 1956 to 2022, measured from daily minimum temperatures.
Elevation 569 ft, 31.871, -85.450. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Mar 17 | Nov 14 |
| Earliest | Feb 9 (1976) | Oct 12 (2000) |
| Latest | May 5 (2005) | Dec 10 (1978) |
| Trend | little change (less than half a day per decade) | 1.0 days earlier per decade |
| Years with data | 52 | 47 |
At 28°F (hard freeze) the median last spring date is Mar 4 and the median first fall date is Nov 26.
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 |
|---|---|---|---|---|
| 2022 | Mar 13 | no data | Mar 13 | no data |
| 2021 | Feb 20 | no data | Feb 20 | no data |
| 2020 | Feb 28 | no data | Feb 22 | no data |
| 2019 | Mar 7 | no data | Mar 6 | no data |
| 2018 | Mar 16 | no data | Jan 20 | no data |
| 2017 | Mar 17 | no data | Mar 17 | no data |
| 2016 | Feb 28 | Nov 21 | Feb 11 | Dec 10 |
| 2015 | Mar 8 | Nov 23 | Mar 7 | none |
| 2014 | Mar 27 | no data | Feb 28 | no data |
| 2013 | no data | Nov 13 | no data | Nov 28 |
| 2012 | no data | Nov 26 | no data | Dec 22 |
| 2011 | no data | Nov 11 | no data | none |
| 2010 | Mar 5 | no data | Mar 4 | no data |
| 2005 | May 5 | Oct 26 | Mar 10 | Nov 18 |
| 2004 | Apr 3 | Nov 26 | Mar 23 | Dec 14 |
| 2003 | Apr 1 | Nov 14 | Mar 31 | Nov 25 |
| 2002 | Mar 24 | Nov 14 | Mar 24 | Nov 23 |
| 2000 | Apr 10 | Oct 12 | Mar 13 | Nov 15 |
| 1999 | Mar 28 | no data | Mar 5 | no data |
| 1998 | Mar 24 | Nov 7 | Mar 14 | Dec 16 |
| 1997 | Feb 18 | Oct 24 | Feb 17 | Nov 17 |
| 1996 | Apr 12 | Oct 20 | Mar 23 | Nov 11 |
| 1995 | no data | Nov 9 | no data | Nov 12 |
| 1994 | Feb 27 | Nov 24 | Feb 14 | none |
| 1993 | Mar 16 | Nov 1 | Mar 16 | Nov 1 |
| 1992 | Mar 12 | Nov 29 | Feb 9 | Nov 29 |
| 1991 | Feb 27 | Nov 4 | Feb 17 | Nov 4 |
| 1990 | Mar 21 | Dec 5 | none | Dec 5 |
| 1989 | Feb 27 | Oct 20 | Feb 27 | Nov 17 |
| 1988 | Mar 16 | Nov 29 | Mar 16 | Dec 13 |
| 1987 | Apr 4 | Nov 21 | Feb 9 | Dec 17 |
| 1986 | Mar 22 | Dec 6 | Mar 22 | none |
| 1985 | Mar 20 | no data | Feb 17 | no data |
| 1984 | Mar 11 | Nov 13 | Mar 2 | Nov 13 |
| 1983 | Apr 19 | no data | Apr 19 | no data |
| 1982 | no data | Oct 26 | no data | Nov 6 |
| 1980 | Mar 4 | Nov 19 | Mar 4 | Nov 28 |
| 1979 | Mar 26 | Nov 16 | Feb 27 | Nov 30 |
| 1978 | Mar 17 | Dec 10 | Mar 6 | Dec 10 |
| 1977 | Feb 28 | Nov 11 | Feb 21 | Dec 7 |
| 1976 | Feb 9 | Oct 29 | Feb 8 | Nov 23 |
| 1975 | Mar 15 | Nov 14 | Mar 3 | Dec 18 |
| 1974 | no data | Nov 15 | no data | Dec 1 |
| 1973 | Apr 11 | Nov 11 | Feb 18 | Dec 8 |
| 1972 | Feb 20 | Nov 18 | Feb 9 | Dec 16 |
| 1971 | Mar 21 | Nov 8 | Mar 8 | none |
| 1970 | Mar 16 | Nov 17 | Mar 14 | Nov 24 |
| 1969 | Mar 27 | Nov 15 | Mar 12 | Nov 15 |
| 1968 | Mar 25 | Nov 13 | Mar 25 | Nov 13 |
| 1967 | Mar 18 | Nov 5 | Feb 26 | Dec 23 |
| 1966 | Mar 25 | Nov 3 | Mar 7 | Nov 3 |
| 1965 | Mar 21 | Nov 18 | Mar 21 | Nov 30 |
| 1964 | Mar 31 | Nov 22 | Feb 24 | Nov 22 |
| 1963 | Feb 28 | Nov 2 | Feb 28 | Nov 14 |
| 1960 | Mar 22 | no data | Mar 13 | no data |
| 1959 | Feb 21 | Nov 18 | Feb 21 | Nov 18 |
| 1958 | Feb 21 | Nov 29 | Feb 21 | Nov 29 |
| 1957 | Mar 10 | Dec 1 | Jan 19 | Dec 1 |
| 1956 | no data | Nov 23 | no data | Nov 23 |
"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.