Frost history / Irwinton 4 Wnw, GA
Irwinton 4 Wnw, GA: frost dates by year
Last spring and first fall frost at NOAA station USC00094594, 1966 to 2008, measured from daily minimum temperatures.
Elevation 515 ft, 32.829, -83.239. Download the data (JSON) · NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Mar 19 | Nov 14 |
| Earliest | Feb 17 (1985) | Oct 22 (1974) |
| Latest | May 12 (1989) | Dec 18 (1998) |
| Trend | little change (less than half a day per decade) | 2.4 days later per decade |
| Years with data | 32 | 39 |
At 28°F (hard freeze) the median last spring date is Mar 2 and the median first fall date is Dec 4.
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 |
|---|---|---|---|---|
| 2008 | Mar 26 | Nov 19 | Feb 28 | Nov 19 |
| 2007 | Apr 9 | Nov 8 | Feb 18 | Dec 19 |
| 2006 | Mar 26 | Oct 24 | Feb 15 | Dec 6 |
| 2005 | Mar 21 | Nov 18 | Mar 3 | Dec 13 |
| 2004 | no data | Dec 14 | no data | Dec 14 |
| 2003 | Feb 19 | Nov 14 | Jan 27 | Dec 1 |
| 2002 | no data | Nov 18 | no data | Nov 28 |
| 1998 | Mar 13 | Dec 18 | Mar 13 | Dec 31 |
| 1997 | Feb 17 | Nov 16 | Feb 12 | Nov 17 |
| 1996 | Mar 22 | Nov 3 | Mar 10 | Dec 20 |
| 1995 | Mar 11 | Nov 9 | Mar 10 | Dec 10 |
| 1994 | no data | Dec 1 | no data | Dec 12 |
| 1993 | Apr 6 | Oct 31 | Mar 13 | Dec 25 |
| 1992 | no data | Nov 8 | no data | Nov 28 |
| 1991 | Feb 27 | Nov 4 | Feb 27 | Nov 5 |
| 1990 | Mar 20 | Dec 5 | none | Dec 5 |
| 1989 | May 12 | Nov 17 | Feb 25 | Nov 17 |
| 1988 | Mar 16 | Nov 29 | Feb 13 | Dec 13 |
| 1987 | Apr 4 | Nov 12 | Apr 1 | Dec 5 |
| 1986 | Mar 23 | no data | Mar 2 | no data |
| 1985 | Feb 17 | Dec 3 | Feb 17 | Dec 3 |
| 1984 | Mar 11 | Nov 13 | Mar 1 | Dec 7 |
| 1983 | no data | Nov 17 | no data | Dec 25 |
| 1982 | Apr 7 | Nov 5 | Mar 9 | Dec 18 |
| 1981 | Mar 20 | Nov 20 | Feb 13 | Nov 21 |
| 1980 | Mar 4 | Nov 19 | Mar 3 | Dec 22 |
| 1979 | Feb 27 | Nov 15 | Feb 19 | Nov 30 |
| 1978 | no data | Dec 6 | no data | Dec 10 |
| 1977 | no data | Nov 13 | no data | Nov 27 |
| 1976 | Feb 23 | Oct 29 | Feb 8 | Nov 6 |
| 1975 | Mar 9 | Nov 15 | Mar 4 | Dec 11 |
| 1974 | Mar 17 | Oct 22 | Feb 27 | Nov 13 |
| 1973 | no data | Nov 10 | no data | Nov 11 |
| 1972 | Mar 9 | Nov 18 | Mar 6 | Dec 17 |
| 1971 | Mar 31 | Nov 8 | Mar 20 | Nov 22 |
| 1970 | Mar 16 | Nov 5 | Mar 15 | Nov 16 |
| 1969 | Mar 26 | Nov 14 | Mar 13 | Nov 15 |
| 1968 | Mar 25 | Nov 13 | Mar 24 | Nov 13 |
| 1967 | Mar 18 | Nov 5 | Mar 1 | Dec 4 |
| 1966 | Mar 29 | Nov 3 | Mar 11 | Nov 4 |
"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.