Frost history / Crystal Spgs Exp Stn, MS
Crystal Spgs Exp Stn, MS: frost dates by year
Last spring and first fall frost at NOAA station USC00222094, 1951 to 2014, measured from daily minimum temperatures.
Elevation 487 ft, 31.946, -90.377. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Mar 18 | Nov 16 |
| Earliest | Feb 11 (1997) | Oct 20 (1989) |
| Latest | Apr 11 (1989) | Dec 16 (1998) |
| Trend | little change (less than half a day per decade) | 2.5 days later per decade |
| Years with data | 29 | 28 |
At 28°F (hard freeze) the median last spring date is Feb 25 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 |
|---|---|---|---|---|
| 2014 | Mar 27 | no data | Mar 5 | no data |
| 2013 | Mar 28 | Nov 13 | Mar 27 | Nov 13 |
| 2012 | Feb 13 | Nov 14 | Feb 13 | Nov 25 |
| 2011 | Mar 11 | Nov 11 | Feb 12 | Dec 8 |
| 2010 | Mar 5 | Nov 27 | Mar 3 | Dec 6 |
| 2009 | Apr 7 | Nov 27 | Mar 2 | Dec 5 |
| 2008 | Mar 25 | Oct 29 | Feb 27 | Nov 22 |
| 2007 | Mar 5 | Nov 16 | Mar 5 | Dec 17 |
| 2006 | Mar 26 | Nov 17 | Feb 14 | Dec 1 |
| 2005 | Mar 18 | no data | Jan 25 | no data |
| 2004 | Feb 18 | Dec 14 | Feb 8 | Dec 15 |
| 2002 | Mar 23 | Nov 23 | Mar 5 | Dec 6 |
| 2001 | no data | Nov 21 | no data | Nov 22 |
| 1999 | Mar 27 | Dec 1 | Feb 22 | Dec 22 |
| 1998 | Mar 13 | Dec 16 | Mar 13 | Dec 25 |
| 1997 | Feb 11 | Nov 16 | Jan 20 | Nov 17 |
| 1996 | Mar 22 | Nov 27 | Mar 21 | Dec 19 |
| 1995 | Mar 10 | Nov 4 | Feb 12 | Dec 10 |
| 1994 | Mar 10 | Dec 1 | Feb 14 | Dec 12 |
| 1993 | Mar 15 | Oct 31 | Mar 14 | Oct 31 |
| 1992 | Apr 2 | no data | Feb 9 | no data |
| 1991 | Feb 26 | Nov 2 | Feb 17 | Nov 4 |
| 1990 | Mar 20 | Nov 30 | none | Dec 5 |
| 1989 | Apr 11 | Oct 20 | Feb 25 | Nov 17 |
| 1988 | Mar 19 | Dec 5 | Mar 15 | Dec 17 |
| 1987 | Apr 5 | Nov 11 | Jan 28 | Nov 12 |
| 1986 | no data | Nov 15 | no data | Dec 29 |
| 1985 | no data | Dec 2 | no data | Dec 2 |
| 1954 | Mar 16 | no data | Mar 16 | no data |
| 1953 | Feb 22 | Nov 10 | none | Nov 10 |
| 1952 | Mar 16 | Oct 29 | Jan 30 | Nov 21 |
| 1951 | Mar 20 | Nov 3 | Mar 14 | 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.