Frost history / Bay St Louis Nasa, MS
Bay St Louis Nasa, MS: frost dates by year
Last spring and first fall frost at NOAA station USC00220521, 1979 to 2008, measured from daily minimum temperatures.
Elevation 30 ft, 30.376, -89.599. Download the data (JSON) · NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Mar 11 | Nov 17 |
| Earliest | Feb 11 (1992) | Oct 19 (1989) |
| Latest | Apr 5 (1987) | Dec 12 (1994) |
| Trend | 2.6 days later per decade | 2.2 days earlier per decade |
| Years with data | 22 | 16 |
At 28°F (hard freeze) the median last spring date is Feb 21 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 | no data | Oct 29 | no data | Nov 19 |
| 2007 | Mar 6 | no data | Mar 5 | no data |
| 2006 | Mar 25 | Nov 21 | Feb 13 | Dec 5 |
| 2004 | Mar 12 | no data | Feb 9 | no data |
| 2003 | Mar 31 | no data | Jan 27 | no data |
| 2002 | Mar 24 | no data | Mar 6 | no data |
| 2000 | no data | Nov 15 | no data | Nov 21 |
| 1997 | Feb 17 | no data | Jan 20 | no data |
| 1996 | Mar 23 | Dec 2 | Mar 12 | Dec 19 |
| 1995 | Mar 10 | Nov 13 | Feb 9 | Dec 11 |
| 1994 | Feb 25 | Dec 12 | Feb 3 | none |
| 1993 | Mar 15 | Oct 31 | Mar 15 | Dec 26 |
| 1992 | Feb 11 | Nov 26 | Jan 21 | none |
| 1991 | Feb 17 | Nov 4 | Feb 16 | Nov 5 |
| 1990 | Mar 21 | Nov 30 | Jan 14 | Nov 30 |
| 1989 | Feb 25 | Oct 19 | Feb 25 | Dec 3 |
| 1988 | Mar 21 | Nov 29 | Mar 17 | Dec 2 |
| 1987 | Apr 5 | no data | Apr 5 | no data |
| 1986 | Mar 23 | no data | Mar 22 | no data |
| 1985 | no data | Dec 3 | no data | Dec 7 |
| 1984 | Mar 7 | no data | Mar 1 | no data |
| 1982 | Mar 9 | no data | Jan 27 | no data |
| 1981 | Mar 20 | Nov 15 | Feb 13 | Dec 10 |
| 1980 | Mar 4 | Nov 19 | Mar 3 | Dec 21 |
| 1979 | Feb 27 | Nov 14 | Feb 27 | Nov 30 |
"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.