Last Frost Day

Frost history / Beowawe, NV

Beowawe, NV: frost dates by year

Last spring and first fall frost at NOAA station USC00260795, 1951 to 2021, measured from daily minimum temperatures.

Elevation 4,700 ft, 40.590, -116.475. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianJun 3Sep 11
EarliestMay 3 (1987)Aug 3 (1956)
LatestJul 23 (1954)Oct 16 (1979)
Trendlittle change (less than half a day per decade)2.3 days later per decade
Years with data5756

At 28°F (hard freeze) the median last spring date is May 18 and the median first fall date is Sep 21.

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)

Apr 15Apr 30May 15May 30Jun 14Jun 29Jul 14Jul 2919601970198019902000201020201951: Jun 81953: Jun 251954: Jul 231955: Jun 21956: May 151957: May 61958: May 141959: Jun 101960: Jun 211961: May 271969: May 41971: May 191972: May 201973: May 111974: Jun 81975: May 291976: Jun 141979: Jun 91980: May 271981: Jun 151982: Jun 61983: May 221984: Jun 91986: May 231987: May 31988: Jun 91989: Jun 211990: Jun 131991: Jun 151993: May 91994: Jun 81995: Jun 201996: May 241997: May 261998: May 301999: Jun 42000: May 132001: Jun 42002: Jun 112003: May 192004: May 302005: Jun 32006: May 292007: May 292008: Jun 82010: Jun 172011: Jun 172012: Jun 102013: May 262014: Jun 182015: May 102016: Jun 162017: May 192018: May 122019: Jun 92020: Jun 292021: May 27

First fall frost (32°F)

Jul 29Aug 13Aug 28Sep 12Sep 27Oct 12Oct 2719601970198019902000201020201951: Aug 301952: Sep 101953: Aug 301955: Sep 111956: Aug 31958: Sep 131959: Aug 211960: Aug 231961: Sep 31968: Sep 161971: Sep 151972: Sep 201973: Sep 211974: Aug 201975: Sep 21978: Aug 171979: Oct 161980: Sep 221981: Sep 231982: Sep 111983: Sep 101984: Sep 221985: Sep 101986: Sep 101987: Sep 171988: Sep 111989: Sep 121990: Sep 161991: Sep 151992: Aug 261993: Sep 131994: Sep 111995: Sep 301996: Sep 61997: Sep 161998: Oct 41999: Sep 42001: Sep 72002: Sep 262003: Sep 202004: Sep 152005: Sep 112006: Sep 162007: Sep 112008: Sep 112010: Aug 302011: Sep 22012: Oct 42013: Sep 282014: Oct 12015: Sep 52016: Sep 52017: Sep 162018: Sep 172019: Sep 172020: Sep 9

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
2021May 27no dataMay 17no data
2020Jun 29Sep 9Jun 9Sep 9
2019Jun 9Sep 17May 3Oct 1
2018May 12Sep 17May 3Sep 21
2017May 19Sep 16May 14Sep 23
2016Jun 16Sep 5Apr 19Oct 4
2015May 10Sep 5Apr 27Oct 23
2014Jun 18Oct 1May 12Oct 1
2013May 26Sep 28May 24Oct 5
2012Jun 10Oct 4Jun 9Oct 4
2011Jun 17Sep 2Jun 17Oct 9
2010Jun 17Aug 30Jun 17Sep 6
2008Jun 8Sep 11May 13Oct 9
2007May 29Sep 11May 23Sep 18
2006May 29Sep 16May 29Sep 17
2005Jun 3Sep 11Apr 16Sep 11
2004May 30Sep 15May 24Oct 11
2003May 19Sep 20May 1Oct 11
2002Jun 11Sep 26May 9Sep 26
2001Jun 4Sep 7Jun 4Sep 8
2000May 13no dataMay 12no data
1999Jun 4Sep 4May 17Sep 4
1998May 30Oct 4May 18Oct 4
1997May 26Sep 16May 2Sep 28
1996May 24Sep 6May 23Sep 17
1995Jun 20Sep 30Jun 7Sep 30
1994Jun 8Sep 11Apr 29Oct 3
1993May 9Sep 13May 9Sep 13
1992no dataAug 26no dataAug 26
1991Jun 15Sep 15May 28Sep 15
1990Jun 13Sep 16Jun 1Oct 3
1989Jun 21Sep 12Jun 21Oct 1
1988Jun 9Sep 11Jun 9Sep 11
1987May 3Sep 17May 3Sep 17
1986May 23Sep 10May 22Sep 21
1985no dataSep 10no dataSep 20
1984Jun 9Sep 22Jun 9Sep 22
1983May 22Sep 10May 14Sep 20
1982Jun 6Sep 11May 13Oct 8
1981Jun 15Sep 23May 7Oct 4
1980May 27Sep 22May 26Sep 22
1979Jun 9Oct 16Jun 8Oct 26
1978no dataAug 17no dataSep 20
1976Jun 14no dataJun 14no data
1975May 29Sep 2May 25Sep 2
1974Jun 8Aug 20May 18Sep 12
1973May 11Sep 21May 2Sep 26
1972May 20Sep 20May 11Sep 25
1971May 19Sep 15May 19Sep 15
1969May 4no dataApr 30no data
1968no dataSep 16no dataSep 16
1961May 27Sep 3May 16Sep 3
1960Jun 21Aug 23Jun 21Aug 23
1959Jun 10Aug 21May 30Sep 21
1958May 14Sep 13May 1Sep 24
1957May 6no dataMay 5no data
1956May 15Aug 3May 14Sep 15
1955Jun 2Sep 11May 28Sep 20
1954Jul 23no dataJul 22no data
1953Jun 25Aug 30Jun 25Sep 18
1952no dataSep 10no dataSep 11
1951Jun 8Aug 30Jun 8Sep 12

"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.