Last Frost Day

Frost history / Lsu Ben-Hur Farm, LA

Lsu Ben-Hur Farm, LA: frost dates by year

Last spring and first fall frost at NOAA station USC00165620, 1963 to 2018, measured from daily minimum temperatures.

Elevation 21 ft, 30.364, -91.167. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMar 4Nov 21
EarliestJan 9 (2017)Oct 17 (1977)
LatestApr 5 (1987)Dec 21 (2001)
Trend3.6 days earlier per decade1.7 days later per decade
Years with data5255, 1 with no freeze

At 28°F (hard freeze) the median last spring date is Feb 14 and the median first fall date is Dec 8.

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)

Dec 31Jan 15Jan 30Feb 14Mar 1Mar 16Mar 31Apr 15197019801990200020101963: Feb 231964: Feb 241966: Mar 251967: Feb 261968: Mar 41969: Mar 101970: Mar 141971: Mar 81972: Feb 211974: Feb 281975: Mar 61976: Feb 231977: Feb 281978: Mar 51979: Feb 271980: Mar 41981: Mar 201982: Mar 91983: Mar 221984: Mar 71985: Feb 161986: Mar 221987: Apr 51988: Mar 161989: Mar 71990: Jan 141991: Feb 161992: Feb 101993: Mar 151994: Feb 141995: Feb 121996: Mar 211997: Feb 161998: Mar 131999: Mar 162000: Feb 62001: Feb 182002: Mar 52003: Feb 112004: Feb 162005: Jan 252006: Mar 252007: Mar 62008: Mar 82011: Feb 142012: Feb 132013: Mar 272014: Mar 62015: Mar 72016: Feb 82017: Jan 92018: Jan 20

First fall frost (32°F)

Oct 12Oct 27Nov 11Nov 26Dec 11Dec 26197019801990200020101963: Nov 21964: Nov 221965: Nov 301966: Nov 31967: Nov 71968: Nov 101969: Nov 151970: Nov 171971: Nov 111972: Dec 11973: Dec 61974: Nov 131975: Nov 141976: Nov 61977: Oct 171978: Dec 51979: Nov 141980: Nov 191981: Nov 211982: Nov 161983: Nov 251984: Nov 231985: Dec 31986: Dec 51987: Nov 121988: Nov 291989: Oct 201990: Dec 81991: Nov 41992: Nov 291993: Nov 11994: Dec 121995: Nov 301996: Dec 21997: Nov 171998: Dec 161999: Dec 12000: Nov 222001: Dec 212002: Nov 292003: Nov 252004: Dec 152005: Nov 182006: Nov 212008: Oct 292009: Nov 272010: Nov 272011: Nov 112012: Nov 252013: Nov 132014: Nov 142016: Nov 212017: Nov 242018: Nov 15

Dots are single years. The gray line is the median, the green line the fitted trend.

Year by year

YearLast spring 32°FFirst fall 32°FLast spring 28°FFirst fall 28°F
2018Jan 20Nov 15Jan 19Nov 15
2017Jan 9Nov 24Jan 9Dec 9
2016Feb 8Nov 21Jan 25none
2015Mar 7noneMar 7none
2014Mar 6Nov 14Mar 4Nov 15
2013Mar 27Nov 13Mar 4Nov 28
2012Feb 13Nov 25Feb 13none
2011Feb 14Nov 11Feb 14Dec 8
2010no dataNov 27no dataDec 7
2009no dataNov 27no dataDec 29
2008Mar 8Oct 29Jan 20Dec 2
2007Mar 6no dataFeb 17no data
2006Mar 25Nov 21Feb 13Dec 5
2005Jan 25Nov 18Jan 24Dec 6
2004Feb 16Dec 15Jan 29Dec 15
2003Feb 11Nov 25Jan 25Dec 7
2002Mar 5Nov 29Mar 5none
2001Feb 18Dec 21Feb 4Dec 26
2000Feb 6Nov 22Feb 6Nov 22
1999Mar 16Dec 1Jan 11Dec 16
1998Mar 13Dec 16Mar 11none
1997Feb 16Nov 17Jan 19Dec 7
1996Mar 21Dec 2Mar 10Dec 19
1995Feb 12Nov 30Feb 8Dec 10
1994Feb 14Dec 12Feb 2Dec 12
1993Mar 15Nov 1Mar 14Dec 26
1992Feb 10Nov 29Jan 21Nov 29
1991Feb 16Nov 4Feb 16Nov 5
1990Jan 14Dec 8noneDec 8
1989Mar 7Oct 20Feb 25Dec 13
1988Mar 16Nov 29Mar 15Dec 13
1987Apr 5Nov 12Jan 28Dec 17
1986Mar 22Dec 5Mar 22none
1985Feb 16Dec 3Feb 13Dec 15
1984Mar 7Nov 23Mar 1Nov 24
1983Mar 22Nov 25Jan 24Dec 24
1982Mar 9Nov 16Mar 8Dec 13
1981Mar 20Nov 21Feb 13Nov 21
1980Mar 4Nov 19Mar 3Dec 21
1979Feb 27Nov 14Feb 11Nov 30
1978Mar 5Dec 5Mar 5Dec 10
1977Feb 28Oct 17Feb 16Dec 8
1976Feb 23Nov 6Feb 8Nov 23
1975Mar 6Nov 14Feb 25Nov 14
1974Feb 28Nov 13Feb 27Nov 27
1973no dataDec 6no dataDec 8
1972Feb 21Dec 1Feb 5Dec 1
1971Mar 8Nov 11Feb 14none
1970Mar 14Nov 17Mar 14Nov 24
1969Mar 10Nov 15Jan 12Nov 15
1968Mar 4Nov 10Mar 1Dec 15
1967Feb 26Nov 7Feb 25Dec 24
1966Mar 25Nov 3Feb 25Nov 3
1965no dataNov 30no dataDec 8
1964Feb 24Nov 22Feb 23Nov 22
1963Feb 23Nov 2Feb 23Dec 15

"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.