Frost history / Rayville, LA
Rayville, LA: frost dates by year
Last spring and first fall frost at NOAA station USC00167691, 1996 to 2016, measured from daily minimum temperatures.
Elevation 89 ft, 32.494, -91.749. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Feb 26 | Nov 26 |
| Earliest | Feb 11 (2016) | Oct 25 (1999) |
| Latest | Mar 27 (2013) | Dec 27 (2012) |
| Trend | 4.0 days later per decade | 10.9 days later per decade |
| Years with data | 11 | 15, 1 with no freeze |
At 28°F (hard freeze) the median last spring date is Feb 17 and the median first fall date is Dec 6.
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 |
|---|---|---|---|---|
| 2016 | Feb 11 | Dec 9 | none | Dec 19 |
| 2015 | Mar 8 | none | Mar 7 | none |
| 2014 | Mar 5 | Nov 14 | Mar 5 | none |
| 2013 | Mar 27 | Nov 14 | Mar 4 | Nov 28 |
| 2012 | Feb 13 | Dec 27 | Feb 13 | Dec 30 |
| 2011 | Feb 13 | Dec 8 | Feb 12 | none |
| 2010 | Feb 26 | Nov 27 | Feb 17 | Dec 7 |
| 2009 | Mar 3 | Dec 5 | Feb 5 | Dec 6 |
| 2008 | Mar 8 | Nov 16 | Feb 14 | Nov 22 |
| 2007 | Feb 19 | Dec 4 | Feb 17 | none |
| 2006 | Feb 21 | Nov 21 | Feb 20 | Dec 4 |
| 2005 | no data | Nov 17 | no data | Dec 6 |
| 2003 | no data | Nov 24 | no data | Nov 25 |
| 1999 | no data | Oct 25 | no data | Nov 26 |
| 1996 | no data | Nov 27 | no data | Dec 19 |
"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.