Frost history / Jefferson City, TN
Jefferson City, TN: frost dates by year
Last spring and first fall frost at NOAA station USC00404613, 1982 to 2010, measured from daily minimum temperatures.
Elevation 1,108 ft, 36.122, -83.474. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Apr 26 | Oct 13 |
| Earliest | Apr 2 (1991) | Sep 21 (2006) |
| Latest | May 20 (2002) | Nov 14 (1986) |
| Trend | 3.0 days later per decade | 5.1 days earlier per decade |
| Years with data | 22 | 23 |
At 28°F (hard freeze) the median last spring date is Apr 10 and the median first fall date is Oct 23.
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 |
|---|---|---|---|---|
| 2010 | Apr 28 | no data | Apr 10 | no data |
| 2009 | Apr 13 | Oct 19 | Mar 23 | Oct 19 |
| 2008 | Apr 30 | Oct 4 | Mar 26 | Oct 4 |
| 2007 | May 19 | Oct 13 | May 19 | Nov 4 |
| 2006 | Apr 10 | Sep 21 | Mar 27 | Oct 13 |
| 2005 | May 5 | Oct 26 | May 5 | Oct 27 |
| 2004 | no data | Oct 17 | no data | Nov 9 |
| 2003 | no data | Oct 3 | no data | Nov 14 |
| 2002 | May 20 | no data | May 20 | no data |
| 2001 | Apr 26 | Oct 7 | Apr 20 | Oct 18 |
| 2000 | Apr 27 | Oct 8 | Apr 6 | Oct 8 |
| 1998 | Apr 12 | no data | Mar 23 | no data |
| 1997 | May 16 | Oct 23 | Apr 15 | Oct 23 |
| 1996 | no data | Oct 12 | no data | Oct 20 |
| 1995 | Apr 25 | Oct 17 | Mar 25 | Oct 22 |
| 1994 | no data | Oct 27 | no data | Oct 27 |
| 1993 | no data | Sep 30 | no data | Oct 23 |
| 1992 | Apr 29 | no data | Apr 6 | no data |
| 1991 | Apr 2 | Oct 7 | Mar 31 | Oct 17 |
| 1990 | no data | Oct 19 | no data | Oct 27 |
| 1989 | May 8 | no data | Apr 13 | no data |
| 1988 | Apr 30 | Oct 8 | Apr 9 | Oct 13 |
| 1987 | Apr 9 | Oct 4 | Apr 7 | Oct 14 |
| 1986 | May 5 | Nov 14 | Apr 23 | Nov 14 |
| 1985 | Apr 10 | Oct 7 | Apr 10 | Nov 8 |
| 1984 | Apr 19 | Nov 7 | Apr 2 | Nov 7 |
| 1983 | Apr 26 | Oct 28 | Apr 21 | Nov 5 |
| 1982 | Apr 24 | Oct 17 | Apr 24 | Oct 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.