Last Frost Day

Frost history / Quilcene 2 Sw, WA

Quilcene 2 Sw, WA: frost dates by year

Last spring and first fall frost at NOAA station USC00456846, 1951 to 2013, measured from daily minimum temperatures.

Elevation 123 ft, 47.809, -122.914. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 28Oct 18
EarliestMar 27 (1994)Sep 28 (1983)
LatestJul 3 (1985)Nov 12 (1962)
Trend4.9 days earlier per decade0.6 days earlier per decade
Years with data4131

At 28°F (hard freeze) the median last spring date is Mar 19 and the median first fall date is Nov 11.

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)

Mar 16Mar 31Apr 15Apr 30May 15May 30Jun 14Jun 29Jul 141960197019801990200020101951: May 11952: May 51953: May 11954: May 11955: May 231956: May 131957: Apr 241958: May 131959: May 51960: May 221961: Apr 201962: May 71963: May 31965: May 71966: May 281967: Apr 291968: Apr 221969: Apr 261970: Apr 281971: Apr 241972: May 11973: Apr 301974: Apr 131976: Apr 261979: Apr 101980: Apr 151982: May 51983: Apr 151984: Apr 261985: Jul 31986: Apr 291989: Apr 31990: Apr 41992: Apr 101993: Mar 291994: Mar 271995: Apr 161997: Apr 72001: Apr 92007: Apr 202013: May 1

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 11Nov 261960197019801990200020101951: Oct 221952: Oct 151953: Oct 211954: Oct 131955: Oct 231956: Oct 241957: Oct 101958: Oct 241959: Oct 291960: Oct 91961: Oct 81962: Nov 121963: Oct 271964: Oct 171965: Nov 111966: Oct 131967: Nov 21968: Nov 11969: Oct 131970: Oct 261971: Oct 171972: Oct 181973: Oct 71978: Oct 121980: Oct 151981: Oct 111982: Oct 191983: Sep 281992: Oct 151993: Nov 61994: 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
2013May 1no dataMar 9no data
2007Apr 20no dataMar 1no data
2001Apr 9no dataFeb 28no data
1997Apr 7no dataApr 5no data
1995Apr 16no dataMar 3no data
1994Mar 27Oct 24Mar 24Nov 5
1993Mar 29Nov 6Mar 11Nov 14
1992Apr 10Oct 15Jan 20Nov 23
1990Apr 4no dataMar 13no data
1989Apr 3no dataMar 7no data
1986Apr 29no dataApr 6no data
1985Jul 3no dataMay 8no data
1984Apr 26no dataFeb 17no data
1983Apr 15Sep 28Feb 5Nov 29
1982May 5Oct 19Mar 21Nov 9
1981no dataOct 11no dataNov 28
1980Apr 15Oct 15Mar 6Nov 12
1979Apr 10no dataMar 1no data
1978no dataOct 12no dataNov 10
1976Apr 26no dataMar 15no data
1974Apr 13no dataApr 12no data
1973Apr 30Oct 7Feb 21Nov 2
1972May 1Oct 18Apr 10Oct 30
1971Apr 24Oct 17Mar 21Oct 17
1970Apr 28Oct 26Mar 9Oct 27
1969Apr 26Oct 13Mar 13Oct 14
1968Apr 22Nov 1Apr 13Dec 19
1967Apr 29Nov 2Mar 13Nov 25
1966May 28Oct 13Mar 22Nov 11
1965May 7Nov 11Mar 27Nov 23
1964no dataOct 17no dataNov 14
1963May 3Oct 27Apr 2Nov 20
1962May 7Nov 12Mar 29Dec 23
1961Apr 20Oct 8Apr 20Nov 5
1960May 22Oct 9Mar 19Nov 27
1959May 5Oct 29Mar 14Nov 4
1958May 13Oct 24Mar 14Nov 15
1957Apr 24Oct 10Feb 23Nov 2
1956May 13Oct 24Apr 5Oct 28
1955May 23Oct 23May 2Nov 11
1954May 1Oct 13May 1Oct 14
1953May 1Oct 21Apr 2Dec 4
1952May 5Oct 15Apr 1Nov 9
1951May 1Oct 22Apr 21Oct 31

"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.