Last Frost Day

Frost history / Clatskanie, OR

Clatskanie, OR: frost dates by year

Last spring and first fall frost at NOAA station USC00351643, 1951 to 2024, measured from daily minimum temperatures.

Elevation 22 ft, 46.108, -123.206. Download the data (JSON) · NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 20Oct 29
EarliestMar 17 (1973)Sep 23 (2000)
LatestMay 18 (2003)Nov 29 (1983)
Trend1.3 days later per decade3.2 days earlier per decade
Years with data7473

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

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 1Mar 16Mar 31Apr 15Apr 30May 15May 3019601970198019902000201020201951: Apr 211952: May 41953: Apr 71954: May 11955: Apr 271956: Apr 91957: Mar 261958: Mar 271959: Apr 61960: Apr 161961: Apr 191962: May 41963: Apr 21964: May 21965: May 61966: Mar 231967: Apr 201968: Apr 221969: Apr 301970: Apr 261971: Apr 211972: Apr 301973: Mar 171974: Mar 211975: Apr 141976: Apr 211977: Apr 191978: Apr 61979: Apr 71980: Mar 241981: Apr 131982: Apr 191983: Apr 131984: Apr 61985: May 121986: Apr 301987: Apr 251988: Apr 251989: Apr 171990: Apr 101991: Apr 151992: Apr 231993: Apr 191994: Apr 151995: Apr 191996: May 101997: Apr 131998: Apr 201999: May 102000: Apr 242001: May 62002: May 82003: May 182004: Apr 22005: Apr 122006: May 92007: Apr 202008: Apr 262009: Apr 242010: May 62011: May 42012: May 102013: May 12014: Apr 12015: Apr 182016: Apr 262017: Apr 112018: Apr 192019: Mar 292020: Apr 142021: Apr 142022: May 122023: Apr 142024: Apr 22

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 11Nov 26Dec 1119601970198019902000201020201951: Oct 301952: Nov 91953: Nov 21954: Oct 241955: Nov 111956: Oct 241957: Nov 21958: Nov 151959: Oct 301960: Nov 61961: Oct 291962: Nov 231963: Nov 201964: Nov 131965: Nov 251966: Nov 221967: Nov 201968: Nov 11969: Oct 131970: Oct 271971: Oct 281972: Oct 291973: Nov 21974: Nov 281975: Nov 181976: Nov 271977: Nov 81978: Nov 101979: Nov 131980: Oct 221981: Nov 271982: Nov 81983: Nov 291984: Oct 171985: Sep 291987: Oct 101988: Oct 271989: Oct 151990: Oct 71991: Oct 281992: Oct 141993: Nov 61994: Oct 131995: Oct 291996: Oct 161997: Oct 201998: Oct 291999: Oct 152000: Sep 232001: Nov 72002: Oct 112003: Oct 312004: Nov 42005: Nov 82006: Oct 302007: Oct 252008: Oct 112009: Oct 112010: Oct 162011: Oct 262012: Oct 62013: Oct 292014: Nov 112015: Nov 42016: Oct 122017: Oct 142018: Oct 142019: Oct 12020: Oct 222021: Oct 122022: Nov 92023: Oct 282024: 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 22Oct 24Mar 7Dec 2
2023Apr 14Oct 28Mar 17Oct 28
2022May 12Nov 9Mar 11Nov 9
2021Apr 14Oct 12Apr 11Dec 27
2020Apr 14Oct 22Mar 19Oct 25
2019Mar 29Oct 1Mar 12Oct 28
2018Apr 19Oct 14Apr 3Nov 12
2017Apr 11Oct 14Mar 19Dec 6
2016Apr 26Oct 12Jan 11Dec 7
2015Apr 18Nov 4Mar 5Nov 21
2014Apr 1Nov 11Mar 23Nov 13
2013May 1Oct 29Mar 4Nov 20
2012May 10Oct 6Mar 19Nov 10
2011May 4Oct 26Apr 18Nov 2
2010May 6Oct 16Mar 18Nov 21
2009Apr 24Oct 11Apr 5Oct 11
2008Apr 26Oct 11Apr 3Nov 24
2007Apr 20Oct 25Apr 3Oct 27
2006May 9Oct 30Mar 20Oct 30
2005Apr 12Nov 8Mar 22Nov 23
2004Apr 2Nov 4Feb 13Nov 4
2003May 18Oct 31Mar 24Oct 31
2002May 8Oct 11Mar 18Oct 30
2001May 6Nov 7Apr 14Nov 8
2000Apr 24Sep 23Feb 19Nov 11
1999May 10Oct 15Mar 11Nov 5
1998Apr 20Oct 29Mar 29Dec 18
1997Apr 13Oct 20Apr 12Nov 16
1996May 10Oct 16Mar 26Oct 26
1995Apr 19Oct 29Mar 27Oct 31
1994Apr 15Oct 13Mar 6Nov 18
1993Apr 19Nov 6Mar 11Nov 7
1992Apr 23Oct 14Mar 28Oct 15
1991Apr 15Oct 28Mar 27Oct 30
1990Apr 10Oct 7Mar 13Dec 8
1989Apr 17Oct 15Mar 4Dec 11
1988Apr 25Oct 27Mar 17Dec 4
1987Apr 25Oct 10Mar 29Nov 17
1986Apr 30no dataApr 18no data
1985May 12Sep 29Mar 8Oct 9
1984Apr 6Oct 17Jan 20Dec 4
1983Apr 13Nov 29Jan 1Nov 30
1982Apr 19Nov 8Feb 10Nov 23
1981Apr 13Nov 27Feb 10Nov 28
1980Mar 24Oct 22Feb 12Dec 7
1979Apr 7Nov 13Feb 14none
1978Apr 6Nov 10Feb 12Nov 11
1977Apr 19Nov 8Jan 30Nov 19
1976Apr 21Nov 27Mar 5Nov 27
1975Apr 14Nov 18Feb 21Nov 29
1974Mar 21Nov 28Mar 8Dec 23
1973Mar 17Nov 2Feb 4Nov 3
1972Apr 30Oct 29Feb 4Dec 4
1971Apr 21Oct 28Mar 5Oct 28
1970Apr 26Oct 27Jan 15Nov 22
1969Apr 30Oct 13Mar 14Nov 29
1968Apr 22Nov 1Feb 16Dec 19
1967Apr 20Nov 20Mar 12Dec 13
1966Mar 23Nov 22Feb 15none
1965May 6Nov 25Mar 24Dec 14
1964May 2Nov 13Mar 24Nov 15
1963Apr 2Nov 20Jan 30Nov 28
1962May 4Nov 23Mar 28Dec 24
1961Apr 19Oct 29Jan 27Nov 6
1960Apr 16Nov 6Mar 4Dec 7
1959Apr 6Oct 30Feb 12Nov 13
1958Mar 27Nov 15Feb 28Nov 16
1957Mar 26Nov 2Feb 23Dec 31
1956Apr 9Oct 24Mar 12Nov 19
1955Apr 27Nov 11Mar 20Nov 12
1954May 1Oct 24May 1Dec 2
1953Apr 7Nov 2Mar 1none
1952May 4Nov 9Mar 21Nov 23
1951Apr 21Oct 30Mar 10Dec 7

"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 1991–2020 frost probabilities.