Frost history / Rockefeller Wl Refuge, LA
Rockefeller Wl Refuge, LA: frost dates by year
Last spring and first fall frost at NOAA station USC00167932, 1965 to 2020, measured from daily minimum temperatures.
Elevation 4 ft, 29.729, -92.818. Download the data (JSON) · NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Feb 11 | Dec 9 |
| Earliest | Jan 9 (2017) | Oct 31 (1993) |
| Latest | Mar 21 (1965) | Dec 29 (1967) |
| Trend | 2.0 days earlier per decade | 1.1 days later per decade |
| Years with data | 53, 7 with no freeze | 51, 7 with no freeze |
At 28°F (hard freeze) the median last spring date is Jan 31 and the median first fall date is Dec 19.
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 |
|---|---|---|---|---|
| 2020 | none | no data | none | no data |
| 2019 | Mar 5 | Nov 13 | none | Nov 13 |
| 2018 | Jan 20 | none | Jan 19 | none |
| 2017 | Jan 9 | Dec 10 | Jan 9 | none |
| 2016 | none | Dec 19 | none | none |
| 2015 | Mar 7 | none | Jan 9 | none |
| 2014 | no data | Nov 14 | no data | none |
| 2013 | Jan 31 | Nov 28 | none | none |
| 2012 | Feb 12 | Dec 27 | none | none |
| 2011 | Feb 13 | Dec 7 | Feb 11 | none |
| 2010 | Feb 17 | Dec 1 | Jan 11 | Dec 28 |
| 2009 | Mar 2 | Dec 5 | Jan 17 | none |
| 2008 | Jan 20 | no data | Jan 20 | no data |
| 2007 | Feb 17 | no data | none | no data |
| 2006 | no data | Dec 1 | no data | Dec 5 |
| 2005 | Jan 25 | no data | Jan 24 | no data |
| 2004 | Jan 29 | Dec 15 | none | Dec 26 |
| 2003 | no data | Nov 25 | no data | none |
| 2002 | Mar 5 | none | Mar 5 | none |
| 2001 | Jan 21 | Dec 27 | Jan 21 | none |
| 2000 | Feb 6 | Dec 20 | none | Dec 30 |
| 1999 | Jan 11 | Dec 16 | Jan 5 | none |
| 1998 | none | Dec 26 | none | none |
| 1997 | Jan 18 | Dec 15 | Jan 18 | none |
| 1996 | Mar 11 | Dec 19 | Mar 9 | Dec 19 |
| 1995 | none | Nov 25 | none | Dec 10 |
| 1994 | Feb 3 | none | Feb 3 | none |
| 1993 | Mar 15 | Oct 31 | Mar 14 | none |
| 1992 | Jan 21 | no data | Jan 20 | no data |
| 1991 | none | Nov 5 | none | none |
| 1990 | none | Dec 5 | none | Dec 24 |
| 1989 | Mar 8 | Dec 13 | Mar 7 | Dec 16 |
| 1988 | Feb 13 | Dec 13 | Feb 13 | none |
| 1987 | Jan 24 | Dec 17 | none | none |
| 1986 | Mar 1 | none | Feb 13 | none |
| 1985 | Feb 9 | Dec 14 | Feb 4 | Dec 14 |
| 1984 | Feb 28 | Dec 7 | Feb 7 | none |
| 1983 | none | Dec 23 | none | Dec 24 |
| 1982 | Feb 11 | Dec 13 | Jan 18 | none |
| 1981 | Feb 13 | Dec 19 | Feb 13 | Dec 19 |
| 1980 | Mar 4 | Dec 21 | Mar 4 | Dec 21 |
| 1979 | Feb 11 | Nov 30 | Jan 28 | Dec 18 |
| 1978 | Mar 5 | Dec 9 | Feb 23 | Dec 10 |
| 1977 | Feb 16 | Dec 10 | Jan 30 | none |
| 1976 | Jan 28 | Nov 29 | Jan 10 | Nov 30 |
| 1975 | Feb 8 | Nov 23 | Feb 7 | Dec 19 |
| 1974 | Feb 26 | Dec 1 | none | none |
| 1973 | Feb 18 | Dec 9 | Feb 11 | Dec 21 |
| 1972 | Feb 4 | Dec 16 | Jan 17 | none |
| 1971 | Mar 4 | none | Feb 10 | none |
| 1970 | Feb 4 | Nov 16 | Feb 3 | none |
| 1969 | Jan 12 | Nov 15 | Jan 5 | Nov 15 |
| 1968 | Mar 1 | Nov 12 | Mar 1 | none |
| 1967 | Feb 9 | Dec 29 | none | none |
| 1966 | Feb 4 | Nov 3 | Jan 31 | Dec 29 |
| 1965 | Mar 21 | none | Jan 17 | none |
"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.