Last Frost Day

Frost history / Dyer 5S, NV

Dyer 5S, NV: frost dates by year

Last spring and first fall frost at NOAA station USC00262431, 1952 to 2017, measured from daily minimum temperatures.

Elevation 4,900 ft, 37.606, -118.000. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 18Sep 27
EarliestApr 20 (1993)Aug 23 (1968)
LatestJun 30 (1968)Oct 23 (2012)
Trend2.6 days earlier per decade2.3 days later per decade
Years with data6262

At 28°F (hard freeze) the median last spring date is May 4 and the median first fall date is Oct 10.

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 141960197019801990200020101952: Jun 161954: Jun 111955: Jun 131956: May 151957: May 81958: Jun 121959: May 231960: May 241961: May 111962: May 221963: Jun 41964: May 181965: May 261966: May 121967: Jun 31968: Jun 301969: May 41970: May 121971: Jun 11972: May 211973: May 71974: May 211975: May 221976: Apr 301977: May 181978: May 251979: Jun 181980: May 271981: May 171982: May 131983: May 181984: May 161985: May 301986: May 131987: Apr 211988: Jun 71989: Apr 291991: May 191993: Apr 201994: Apr 291995: Apr 241996: May 241997: May 21998: May 102000: May 132001: May 62002: May 222003: May 102004: May 132005: May 72006: May 282007: Apr 252008: May 132009: May 12010: May 292011: Jun 32012: May 272013: May 242014: May 122015: May 82016: Apr 302017: Jun 12

First fall frost (32°F)

Aug 13Aug 28Sep 12Sep 27Oct 12Oct 27Nov 111960197019801990200020101953: Sep 231954: Sep 131955: Sep 301956: Oct 121957: Sep 211958: Sep 251959: Sep 281960: Sep 231961: Sep 181962: Sep 201963: Oct 121964: Sep 21965: Sep 121966: Sep 151967: Sep 141968: Aug 231969: Oct 41970: Sep 151971: Sep 181972: Sep 221973: Sep 241974: Sep 281975: Oct 81976: Oct 131977: Sep 171978: Sep 131979: Sep 211980: Oct 131981: Oct 81982: Sep 281983: Oct 121984: Sep 251985: Sep 121986: Sep 161987: Oct 151988: Sep 191990: Oct 81991: Oct 211992: Oct 71993: Sep 141994: Oct 81995: Sep 301996: Sep 171997: Oct 81998: Oct 61999: Oct 162000: Sep 242002: Oct 82003: Oct 112004: Sep 202005: Sep 132006: Sep 232007: Sep 302009: Oct 12010: Sep 262011: Oct 62012: Oct 232013: Sep 282014: Oct 32015: Oct 222016: Oct 42017: Sep 22

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
2017Jun 12Sep 22Apr 30Oct 3
2016Apr 30Oct 4Mar 31Oct 4
2015May 8Oct 22Apr 16Oct 27
2014May 12Oct 3Apr 14Oct 26
2013May 24Sep 28Apr 19Sep 29
2012May 27Oct 23Apr 13Oct 24
2011Jun 3Oct 6Jun 2Oct 27
2010May 29Sep 26May 24Oct 27
2009May 1Oct 1Apr 27Oct 1
2008May 13no dataMay 2no data
2007Apr 25Sep 30Apr 21Sep 30
2006May 28Sep 23Apr 20Oct 18
2005May 7Sep 13Apr 22Oct 6
2004May 13Sep 20Apr 18Oct 22
2003May 10Oct 11May 9Oct 14
2002May 22Oct 8May 21Oct 15
2001May 6no dataApr 14no data
2000May 13Sep 24May 12Oct 13
1999no dataOct 16no dataOct 16
1998May 10Oct 6Apr 19Oct 6
1997May 2Oct 8Apr 13Oct 8
1996May 24Sep 17Apr 29Oct 20
1995Apr 24Sep 30Apr 22Oct 5
1994Apr 29Oct 8Apr 29Oct 17
1993Apr 20Sep 14Apr 13Oct 20
1992no dataOct 7no dataNov 1
1991May 19Oct 21May 11Oct 24
1990no dataOct 8no dataOct 8
1989Apr 29no dataApr 28no data
1988Jun 7Sep 19May 6Nov 9
1987Apr 21Oct 15Apr 21Oct 15
1986May 13Sep 16May 5Sep 20
1985May 30Sep 12Apr 26Oct 11
1984May 16Sep 25Apr 29Sep 25
1983May 18Oct 12May 12Oct 15
1982May 13Sep 28May 10Oct 1
1981May 17Oct 8May 7Oct 9
1980May 27Oct 13May 25Oct 13
1979Jun 18Sep 21May 11Oct 22
1978May 25Sep 13May 24Sep 20
1977May 18Sep 17May 18Oct 22
1976Apr 30Oct 13Apr 29Oct 14
1975May 22Oct 8May 8Oct 8
1974May 21Sep 28May 21Oct 23
1973May 7Sep 24May 2Oct 4
1972May 21Sep 22May 21Oct 17
1971Jun 1Sep 18Apr 25Sep 19
1970May 12Sep 15May 3Sep 15
1969May 4Oct 4Apr 29Oct 4
1968Jun 30Aug 23May 17Sep 21
1967Jun 3Sep 14Jun 3Oct 7
1966May 12Sep 15May 2Sep 15
1965May 26Sep 12May 12Sep 17
1964May 18Sep 2May 9Oct 19
1963Jun 4Oct 12May 12Oct 12
1962May 22Sep 20Apr 30Oct 15
1961May 11Sep 18May 11Sep 25
1960May 24Sep 23May 24Oct 12
1959May 23Sep 28May 23Oct 2
1958Jun 12Sep 25May 14Sep 25
1957May 8Sep 21Apr 26Oct 4
1956May 15Oct 12May 14Oct 12
1955Jun 13Sep 30Jun 2Oct 7
1954Jun 11Sep 13Jun 10Sep 19
1953no dataSep 23no dataOct 3
1952Jun 16no dataJun 10no data

"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.