Last Frost Day

Frost history / Hackberry 8 Ssw, LA

Hackberry 8 Ssw, LA: frost dates by year

Last spring and first fall frost at NOAA station USC00163979, 1951 to 2019, measured from daily minimum temperatures.

Elevation 6 ft, 29.889, -93.402. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianFeb 13Dec 7
EarliestJan 5 (1999)Oct 8 (1952)
LatestMar 27 (1955)Dec 29 (1995)
Trend3.2 days earlier per decade3.0 days later per decade
Years with data58, 9 with no freeze60, 13 with no freeze

At 28°F (hard freeze) the median last spring date is Feb 4 and the median first fall date is Dec 18.

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 151960197019801990200020101951: Mar 141953: Jan 171955: Mar 271956: Mar 81959: Jan 231960: Mar 51961: Jan 311962: Mar 61963: Feb 231964: Feb 231965: Mar 211967: Feb 101968: Mar 11969: Jan 251970: Feb 161971: Mar 51972: Feb 41973: Feb 171975: Feb 81976: Jan 101977: Jan 301978: Mar 51979: Feb 201980: Mar 31981: Feb 131982: Feb 111984: Feb 71985: Feb 81986: Feb 131987: Jan 231988: Feb 121989: Mar 81992: Jan 201993: Mar 141994: Feb 21996: Mar 101997: Jan 181999: Jan 52001: Jan 212002: Mar 52005: Jan 242010: Feb 182011: Feb 132012: Feb 122013: Jan 172014: Mar 52015: Mar 72017: Jan 82018: Jan 19

First fall frost (32°F)

Sep 27Oct 12Oct 27Nov 11Nov 26Dec 11Dec 26Jan 101960197019801990200020101951: Nov 21952: Oct 81954: Dec 151955: Nov 291956: Nov 271959: Nov 181960: Dec 21961: Dec 131962: Dec 121963: Dec 151964: Dec 11966: Nov 31967: Dec 231968: Nov 121969: Nov 151970: Nov 161972: Dec 161973: Dec 171974: Dec 11975: Nov 231976: Nov 291978: Dec 91979: Nov 301980: Nov 271981: Nov 211982: Dec 131983: Dec 221984: Dec 71985: Dec 21989: Dec 131990: Dec 231991: Nov 91993: Oct 311995: Dec 291996: Dec 191998: Dec 261999: Dec 232000: Dec 132001: Dec 272002: Nov 172004: Dec 162009: Dec 52010: Dec 132011: Dec 72016: Dec 192017: Dec 82019: Nov 12

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
2019no dataNov 12no dataNov 13
2018Jan 19noneJan 19none
2017Jan 8Dec 8Jan 8none
2016noneDec 19nonenone
2015Mar 7noneJan 9none
2014Mar 5noneJan 30none
2013Jan 17nonenonenone
2012Feb 12nonenonenone
2011Feb 13Dec 7Feb 12none
2010Feb 18Dec 13Jan 12none
2009no dataDec 5no datanone
2005Jan 24no datanoneno data
2004noneDec 16nonenone
2003no datanoneno datanone
2002Mar 5Nov 17Mar 5Dec 26
2001Jan 21Dec 27Jan 4Dec 27
2000noneDec 13noneDec 30
1999Jan 5Dec 23Jan 5none
1998noneDec 26nonenone
1997Jan 18noneJan 18none
1996Mar 10Dec 19Feb 6Dec 19
1995no dataDec 29no datanone
1994Feb 2no dataJan 20no data
1993Mar 14Oct 31nonenone
1992Jan 20nonenonenone
1991noneNov 9nonenone
1990noneDec 23noneDec 24
1989Mar 8Dec 13Mar 6Dec 13
1988Feb 12noneFeb 12none
1987Jan 23nonenonenone
1986Feb 13noneFeb 12none
1985Feb 8Dec 2Feb 4Dec 14
1984Feb 7Dec 7Feb 7none
1983noneDec 22noneDec 23
1982Feb 11Dec 13Jan 18none
1981Feb 13Nov 21Feb 13Dec 18
1980Mar 3Nov 27Mar 3none
1979Feb 20Nov 30Feb 9Dec 18
1978Mar 5Dec 9Feb 22Dec 10
1977Jan 30no dataJan 29no data
1976Jan 10Nov 29Jan 9Nov 29
1975Feb 8Nov 23Jan 14Dec 19
1974noneDec 1nonenone
1973Feb 17Dec 17Feb 10Dec 21
1972Feb 4Dec 16Jan 17none
1971Mar 5nonenonenone
1970Feb 16Nov 16Feb 4Nov 24
1969Jan 25Nov 15Jan 11none
1968Mar 1Nov 12Feb 24none
1967Feb 10Dec 23Feb 9none
1966no dataNov 3no dataDec 24
1965Mar 21noneMar 20none
1964Feb 23Dec 1Jan 15none
1963Feb 23Dec 15Feb 13Dec 22
1962Mar 6Dec 12Jan 14Dec 12
1961Jan 31Dec 13Jan 31none
1960Mar 5Dec 2Feb 27none
1959Jan 23Nov 18Jan 22Nov 18
1956Mar 8Nov 27nonenone
1955Mar 27Nov 29Mar 26Dec 16
1954no dataDec 15no dataDec 18
1953Jan 17no datanoneno data
1952noneOct 8noneDec 15
1951Mar 14Nov 2Mar 14Nov 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.