Last Frost Day

Frost history / Moxee City 10 E, WA

Moxee City 10 E, WA: frost dates by year

Last spring and first fall frost at NOAA station USC00455688, 1951 to 2014, measured from daily minimum temperatures.

Elevation 1,550 ft, 46.505, -120.168. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 18Oct 4
EarliestApr 18 (2005)Aug 22 (1960)
LatestJul 2 (1962)Nov 2 (1979)
Trend3.4 days earlier per decade2.0 days later per decade
Years with data5859

At 28°F (hard freeze) the median last spring date is Apr 28 and the median first fall date is Oct 17.

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 31Apr 15Apr 30May 15May 30Jun 14Jun 29Jul 141960197019801990200020101951: May 281952: May 51953: May 111954: Jul 21955: May 311956: May 131957: Apr 261958: May 131959: Jun 101960: May 221961: May 111962: Jul 21963: Jun 261964: May 251965: May 301966: Jun 11967: May 301968: May 81969: May 41970: May 141971: May 301972: May 181973: May 261974: May 181975: May 241976: Jun 21977: May 61978: May 221979: May 281980: Apr 251984: May 311985: May 121986: May 221987: May 191988: May 171989: May 181990: May 81991: May 91992: May 121993: May 81994: May 31995: Apr 191997: May 21999: Jun 62000: May 122001: May 292002: May 82003: May 192004: Apr 212005: Apr 182006: May 132007: May 52008: May 22009: May 202010: May 242011: May 282013: May 12014: Apr 28

First fall frost (32°F)

Aug 13Aug 28Sep 12Sep 27Oct 12Oct 27Nov 111960197019801990200020101951: Sep 261952: Oct 141953: Sep 241954: Oct 11955: Sep 221956: Sep 221957: Sep 191958: Sep 241959: Oct 11960: Aug 221961: Sep 221962: Oct 51963: Oct 181964: Sep 271965: Sep 171966: Oct 91967: Oct 41968: Oct 21969: Oct 41970: Sep 91971: Sep 291972: Sep 231973: Oct 11974: Sep 271975: Oct 71976: Oct 161977: Oct 41978: Oct 131979: Nov 21980: Oct 171984: Sep 241985: Sep 291986: Oct 121987: Oct 101988: Oct 271989: Oct 31990: Oct 61991: Oct 171992: Oct 71993: Oct 201994: Oct 121995: Oct 131996: Sep 161998: Oct 31999: Sep 282000: Sep 232001: Oct 172002: Sep 222003: Oct 102004: Oct 242005: Oct 42006: Oct 102007: Sep 292008: Sep 232009: Sep 302010: Oct 122011: Oct 172012: Oct 52013: Oct 4

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
2014Apr 28no dataApr 28no data
2013May 1Oct 4May 1Oct 15
2012no dataOct 5no dataOct 21
2011May 28Oct 17Apr 23Oct 26
2010May 24Oct 12May 6Oct 17
2009May 20Sep 30May 13Oct 11
2008May 2Sep 23May 1Oct 22
2007May 5Sep 29May 3Oct 26
2006May 13Oct 10May 13Oct 10
2005Apr 18Oct 4Apr 15Oct 27
2004Apr 21Oct 24Apr 1Oct 24
2003May 19Oct 10May 19Oct 25
2002May 8Sep 22May 7Sep 22
2001May 29Oct 17May 6Oct 17
2000May 12Sep 23Apr 29Sep 23
1999Jun 6Sep 28May 14Sep 28
1998no dataOct 3no dataOct 16
1997May 2no dataApr 12no data
1996no dataSep 16no dataOct 16
1995Apr 19Oct 13Apr 19Oct 19
1994May 3Oct 12Mar 26Oct 29
1993May 8Oct 20Apr 19Oct 26
1992May 12Oct 7Apr 23Nov 10
1991May 9Oct 17Apr 26Oct 28
1990May 8Oct 6Mar 27Oct 7
1989May 18Oct 3Apr 3Oct 16
1988May 17Oct 27Apr 9Oct 27
1987May 19Oct 10Apr 19Oct 20
1986May 22Oct 12May 1Nov 8
1985May 12Sep 29Apr 25Sep 29
1984May 31Sep 24May 6Oct 14
1980Apr 25Oct 17Apr 11Oct 22
1979May 28Nov 2Apr 10Nov 9
1978May 22Oct 13Mar 14Oct 22
1977May 6Oct 4Apr 17Oct 27
1976Jun 2Oct 16Apr 25Oct 18
1975May 24Oct 7May 19Oct 23
1974May 18Sep 27May 16Oct 6
1973May 26Oct 1Apr 28Nov 1
1972May 18Sep 23May 1Sep 25
1971May 30Sep 29Apr 19Oct 17
1970May 14Sep 9May 11Sep 25
1969May 4Oct 4Apr 26Oct 14
1968May 8Oct 2Apr 27Oct 2
1967May 30Oct 4Apr 28Oct 19
1966Jun 1Oct 9May 22Oct 14
1965May 30Sep 17May 5Sep 18
1964May 25Sep 27May 23Oct 3
1963Jun 26Oct 18May 3Oct 19
1962Jul 2Oct 5Jun 3Nov 7
1961May 11Sep 22Apr 19Oct 8
1960May 22Aug 22May 22Oct 13
1959Jun 10Oct 1May 11Oct 10
1958May 13Sep 24May 13Sep 24
1957Apr 26Sep 19Apr 7Oct 4
1956May 13Sep 22Apr 8Sep 22
1955May 31Sep 22May 14Oct 6
1954Jul 2Oct 1Apr 29Oct 1
1953May 11Sep 24May 9Oct 2
1952May 5Oct 14May 2Nov 1
1951May 28Sep 26Apr 20Oct 19

"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.