Last Frost Day

Frost history / Palmer 3 Ese, WA

Palmer 3 Ese, WA: frost dates by year

Last spring and first fall frost at NOAA station USC00456295, 1951 to 2024, measured from daily minimum temperatures.

Elevation 920 ft, 47.306, -121.851. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 12Nov 8
EarliestMar 3 (1984)Sep 25 (1984)
LatestMay 9 (2008)Dec 6 (1998)
Trend0.8 days earlier per decade1.1 days earlier per decade
Years with data7168

At 28°F (hard freeze) the median last spring date is Feb 25 and the median first fall date is Nov 22.

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)

Feb 14Mar 1Mar 16Mar 31Apr 15Apr 30May 1519601970198019902000201020201951: Apr 211952: May 51953: Apr 21954: May 11955: Apr 281956: Apr 171957: Mar 251958: Mar 161959: Apr 71960: Apr 211961: Apr 201962: Mar 291963: Apr 31964: Apr 181965: Apr 111966: Mar 231967: Apr 191968: Apr 201969: Apr 31970: Apr 141971: Apr 121972: Apr 301973: Apr 301974: Apr 131975: Apr 291976: Apr 21977: Apr 141978: Apr 61979: Mar 91980: Apr 71981: Apr 131982: Apr 261983: Apr 131984: Mar 31985: Apr 251986: Apr 241987: Apr 251988: May 11989: Apr 21990: Mar 271991: Apr 121992: Apr 241993: Mar 291994: Mar 261995: Mar 271997: Apr 61998: Mar 301999: Apr 152000: Mar 162001: Apr 112002: May 82003: Apr 42004: Apr 12005: Apr 82006: Mar 202007: Apr 302008: May 92010: Apr 102011: May 42012: Apr 72013: May 32014: Mar 222015: Mar 122016: Mar 172017: Mar 192018: Mar 252019: Apr 282020: Apr 72021: Apr 132023: Apr 142024: Apr 29

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 11Nov 26Dec 1119601970198019902000201020201951: Oct 251952: Nov 151953: Nov 31954: Nov 291955: Nov 111956: Nov 141957: Nov 31958: Nov 251959: Nov 111960: Nov 71961: Nov 21962: Nov 291963: Nov 201964: Nov 141965: Nov 231966: Nov 81967: Nov 211968: Nov 151969: Dec 11970: Nov 211971: Oct 271972: Oct 111973: Nov 21974: Nov 151975: Nov 91977: Nov 31978: Nov 101979: Nov 111980: Nov 121981: Nov 51982: Nov 91983: Nov 291984: Sep 251985: Oct 81986: Nov 101987: Nov 171988: Nov 141989: Oct 291990: Oct 71991: Oct 281992: Oct 151993: Nov 71994: Nov 31995: Oct 291996: Oct 211997: Nov 221998: Dec 61999: Nov 52000: Nov 112001: Nov 282002: Oct 312003: Oct 312004: Nov 202006: Oct 302009: Nov 142010: Nov 202011: Nov 32012: Nov 82013: Oct 292015: Nov 152016: Dec 42017: Nov 52018: Nov 112019: Oct 272020: Oct 202021: Nov 32022: Nov 62023: Oct 24

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
2024Apr 29no dataApr 21no data
2023Apr 14Oct 24Mar 8Oct 25
2022no dataNov 6no dataNov 8
2021Apr 13Nov 3Feb 15Dec 12
2020Apr 7Oct 20Mar 18none
2019Apr 28Oct 27Mar 10Nov 29
2018Mar 25Nov 11Feb 23none
2017Mar 19Nov 5Feb 25Dec 21
2016Mar 17Dec 4Jan 2Dec 6
2015Mar 12Nov 15noneNov 28
2014Mar 22no dataMar 2no data
2013May 3Oct 29Jan 21Nov 21
2012Apr 7Nov 8Mar 7Nov 8
2011May 4Nov 3May 4Nov 20
2010Apr 10Nov 20Mar 27Nov 22
2009no dataNov 14no dataDec 4
2008May 9no dataJan 26no data
2007Apr 30no dataMar 2no data
2006Mar 20Oct 30Feb 25Nov 28
2005Apr 8no dataFeb 19no data
2004Apr 1Nov 20Jan 8Nov 21
2003Apr 4Oct 31Feb 12Oct 31
2002May 8Oct 31Mar 20Nov 3
2001Apr 11Nov 28Feb 11none
2000Mar 16Nov 11Feb 1Nov 11
1999Apr 15Nov 5nonenone
1998Mar 30Dec 6Jan 14Dec 19
1997Apr 6Nov 22Feb 9Nov 22
1996no dataOct 21no dataNov 20
1995Mar 27Oct 29Feb 15Oct 29
1994Mar 26Nov 3Mar 7Nov 18
1993Mar 29Nov 7Feb 27Nov 12
1992Apr 24Oct 15Jan 8Dec 3
1991Apr 12Oct 28Jan 31Oct 29
1990Mar 27Oct 7Mar 14Dec 19
1989Apr 2Oct 29Mar 5Dec 14
1988May 1Nov 14Feb 3Dec 16
1987Apr 25Nov 17Feb 26Dec 13
1986Apr 24Nov 10Feb 21Nov 10
1985Apr 25Oct 8Mar 4Nov 11
1984Mar 3Sep 25Jan 22Nov 1
1983Apr 13Nov 29Jan 3Dec 7
1982Apr 26Nov 9Feb 12Nov 9
1981Apr 13Nov 5Feb 12Dec 29
1980Apr 7Nov 12Feb 16Dec 6
1979Mar 9Nov 11Feb 15Nov 27
1978Apr 6Nov 10Jan 4Nov 11
1977Apr 14Nov 3Feb 24Nov 18
1976Apr 2no dataMar 7no data
1975Apr 29Nov 9Mar 31Nov 18
1974Apr 13Nov 15Mar 9Dec 23
1973Apr 30Nov 2Feb 6Nov 5
1972Apr 30Oct 11Feb 4Dec 3
1971Apr 12Oct 27Mar 18Oct 28
1970Apr 14Nov 21Mar 3Nov 21
1969Apr 3Dec 1Mar 13none
1968Apr 20Nov 15Jan 31Dec 19
1967Apr 19Nov 21Mar 12Dec 13
1966Mar 23Nov 8Mar 3none
1965Apr 11Nov 23Mar 24Dec 15
1964Apr 18Nov 14Feb 8Dec 15
1963Apr 3Nov 20Feb 1Dec 11
1962Mar 29Nov 29Mar 13Dec 24
1961Apr 20Nov 2noneNov 16
1960Apr 21Nov 7Mar 5Nov 28
1959Apr 7Nov 11Feb 13Nov 13
1958Mar 16Nov 25noneNov 25
1957Mar 25Nov 3Feb 23none
1956Apr 17Nov 14Mar 13Nov 19
1955Apr 28Nov 11Mar 26Nov 12
1954May 1Nov 29Mar 30Nov 30
1953Apr 2Nov 3Mar 3none
1952May 5Nov 15Apr 7Nov 23
1951Apr 21Oct 25Mar 17Nov 24

"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.