Frost history / Mansfield 4 Nw, LA
Mansfield 4 Nw, LA: frost dates by year
Last spring and first fall frost at NOAA station USC00165874, 1955 to 2010, measured from daily minimum temperatures.
Elevation 322 ft, 32.071, -93.759. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Mar 16 | Nov 12 |
| Earliest | Feb 7 (2000) | Oct 20 (1964) |
| Latest | Apr 16 (1961) | Dec 17 (1998) |
| Trend | 3.8 days earlier per decade | 2.8 days later per decade |
| Years with data | 17 | 18 |
At 28°F (hard freeze) the median last spring date is Mar 1 and the median first fall date is Nov 17.
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 |
|---|---|---|---|---|
| 2010 | Mar 21 | Nov 27 | Mar 3 | Dec 7 |
| 2008 | Mar 9 | Oct 28 | Feb 27 | Nov 16 |
| 2007 | Apr 9 | Nov 16 | Mar 6 | Nov 16 |
| 2006 | Feb 28 | Nov 17 | Feb 20 | Nov 21 |
| 2001 | Feb 19 | Nov 21 | Feb 11 | none |
| 2000 | Feb 7 | Nov 14 | Jan 31 | Dec 12 |
| 1999 | Mar 16 | Nov 26 | Jan 11 | Dec 16 |
| 1998 | Mar 13 | Dec 17 | Mar 13 | Dec 23 |
| 1997 | Feb 12 | Nov 16 | Jan 31 | Nov 17 |
| 1964 | Mar 28 | Oct 20 | Mar 1 | Nov 22 |
| 1963 | Mar 24 | Nov 2 | Mar 6 | Nov 14 |
| 1962 | Apr 3 | no data | Mar 17 | no data |
| 1961 | Apr 16 | Nov 9 | Feb 25 | Nov 9 |
| 1960 | no data | Nov 11 | no data | Nov 11 |
| 1959 | Mar 12 | Nov 6 | Feb 21 | Nov 7 |
| 1958 | Mar 20 | Nov 29 | Mar 16 | Nov 29 |
| 1957 | Mar 9 | Oct 27 | Mar 9 | Dec 9 |
| 1956 | no data | Nov 9 | no data | Nov 9 |
| 1955 | Mar 29 | Nov 4 | Mar 27 | Nov 4 |
"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.