Frost history / St Bernard, LA
St Bernard, LA: frost dates by year
Last spring and first fall frost at NOAA station USC00168108, 1966 to 2004, measured from daily minimum temperatures.
Elevation 5 ft, 29.872, -89.830. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Feb 15 | Dec 10 |
| Earliest | Jan 21 (1992) | Nov 3 (1966) |
| Latest | Mar 24 (1968) | Dec 31 (1993) |
| Trend | 4.6 days earlier per decade | 6.7 days later per decade |
| Years with data | 29, 1 with no freeze | 33, 4 with no freeze |
At 28°F (hard freeze) the median last spring date is Feb 11 and the median first fall date is Dec 16.
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 |
|---|---|---|---|---|
| 2004 | Jan 29 | Dec 20 | none | none |
| 2003 | no data | Nov 30 | no data | Nov 30 |
| 2002 | Mar 5 | none | Mar 5 | none |
| 2001 | Jan 24 | Dec 26 | Jan 4 | Dec 27 |
| 1996 | Mar 10 | Dec 18 | Mar 9 | Dec 19 |
| 1995 | Feb 26 | Dec 10 | none | Dec 10 |
| 1994 | Feb 2 | Dec 17 | Jan 19 | none |
| 1993 | Mar 14 | Dec 31 | none | none |
| 1992 | Jan 21 | none | none | none |
| 1991 | Feb 16 | Nov 6 | none | none |
| 1990 | none | Dec 24 | none | none |
| 1989 | Feb 25 | Dec 4 | Feb 24 | Dec 22 |
| 1988 | Feb 13 | Dec 17 | Feb 12 | Dec 18 |
| 1987 | Jan 27 | none | Jan 27 | none |
| 1986 | Mar 1 | none | Feb 12 | none |
| 1985 | Feb 13 | Dec 15 | Feb 3 | Dec 26 |
| 1984 | Mar 1 | Nov 29 | Feb 7 | Dec 7 |
| 1983 | Jan 24 | Dec 24 | none | Dec 24 |
| 1982 | Feb 10 | Dec 13 | Jan 17 | none |
| 1981 | Feb 12 | Dec 18 | Feb 12 | Dec 19 |
| 1980 | Mar 3 | Dec 14 | Mar 3 | Dec 26 |
| 1979 | Feb 11 | Nov 30 | Feb 11 | Dec 1 |
| 1978 | Mar 5 | Dec 10 | Feb 22 | Dec 10 |
| 1977 | Feb 16 | Dec 7 | Jan 29 | Dec 22 |
| 1976 | Feb 8 | Nov 9 | Feb 7 | Nov 29 |
| 1975 | no data | Nov 25 | no data | Dec 18 |
| 1973 | Feb 11 | Dec 8 | Feb 11 | Dec 11 |
| 1972 | no data | Dec 16 | no data | none |
| 1971 | Mar 9 | no data | Feb 10 | no data |
| 1970 | no data | Nov 17 | no data | Nov 17 |
| 1969 | Mar 13 | Nov 15 | Jan 6 | Nov 15 |
| 1968 | Mar 24 | Nov 13 | Mar 24 | Dec 16 |
| 1967 | Feb 10 | Dec 23 | none | none |
| 1966 | no data | Nov 3 | no data | 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.