Last Frost Day

Frost history / Barstow Daggett Ap, CA

Barstow Daggett Ap, CA: frost dates by year

Last spring and first fall frost at NOAA station USW00023161, 1951 to 2024, measured from daily minimum temperatures.

Elevation 1,917 ft, 34.854, -116.786. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianFeb 22Nov 24
EarliestJan 3 (1983)Oct 28 (1970)
LatestApr 11 (1953)Dec 30 (1981)
Trend1.3 days earlier per decadelittle change (less than half a day per decade)
Years with data7473, 1 with no freeze

At 28°F (hard freeze) the median last spring date is Feb 5 and the median first fall date is Dec 6.

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)

Dec 16Dec 31Jan 15Jan 30Feb 14Mar 1Mar 16Mar 31Apr 15Apr 3019601970198019902000201020201951: Mar 41952: Mar 231953: Apr 111954: Mar 151955: Mar 211956: Mar 161957: Feb 51958: Mar 121959: Feb 141960: Feb 241961: Mar 81962: Mar 151963: Jan 271964: Mar 81965: Mar 31966: Mar 51967: Feb 151968: Jan 301969: Feb 31970: Jan 301971: Mar 61972: Feb 111973: Jan 291974: Feb 211975: Feb 221976: Jan 71977: Jan 111978: Jan 241979: Feb 51980: Feb 121981: Feb 71982: Feb 61983: Jan 31984: Feb 271985: Mar 71986: Feb 111987: Feb 281988: Feb 61989: Feb 161990: Mar 131991: Feb 21992: Jan 261993: Jan 251994: Feb 241995: Jan 201996: Feb 281997: Mar 51998: Mar 291999: Mar 162000: Jan 292001: Feb 162002: Mar 92003: Feb 102004: Feb 142005: Mar 152006: Feb 222007: Mar 42008: Feb 62009: Feb 192010: Feb 232011: Mar 12012: Mar 32013: Feb 272014: Feb 22015: Jan 62016: Feb 62017: Feb 242018: Mar 62019: Feb 232020: Feb 52021: Mar 12022: Feb 272023: Feb 272024: Feb 12

First fall frost (32°F)

Oct 12Oct 27Nov 11Nov 26Dec 11Dec 26Jan 1019601970198019902000201020201951: Nov 171952: Nov 181953: Nov 191954: Nov 301955: Nov 161956: Nov 41957: Nov 171958: Nov 161959: Nov 271960: Nov 281961: Nov 171962: Dec 231963: Nov 171964: Nov 141965: Nov 281966: Nov 271967: Dec 21968: Nov 291969: Nov 191970: Oct 281971: Oct 301972: Dec 61974: Dec 241975: Nov 191976: Nov 281977: Nov 201978: Dec 31979: Nov 211980: Dec 101981: Dec 301982: Dec 171983: Nov 221985: Nov 131986: Dec 11987: Nov 191988: Nov 201989: Nov 281990: Nov 271991: Nov 231992: Nov 111993: Nov 201994: Nov 141995: Dec 181996: Dec 11997: Dec 41998: Dec 61999: Nov 232000: Nov 122001: Nov 272002: Dec 192003: Nov 232004: Nov 292005: Nov 272006: Nov 292007: Dec 102008: Dec 102009: Nov 242010: Nov 252011: Nov 102012: Nov 112013: Dec 62014: Nov 172015: Nov 262016: Nov 252017: Nov 192018: Nov 92019: Oct 312020: Nov 102021: Dec 102022: Nov 212023: Nov 252024: Nov 20

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
2024Feb 12Nov 20noneDec 10
2023Feb 27Nov 25Feb 16none
2022Feb 27Nov 21Feb 26Dec 17
2021Mar 1Dec 10Jan 12Dec 11
2020Feb 5Nov 10noneDec 5
2019Feb 23Oct 31Feb 12Dec 17
2018Mar 6Nov 9Feb 24Dec 29
2017Feb 24Nov 19Jan 28Dec 21
2016Feb 6Nov 25Feb 4Dec 18
2015Jan 6Nov 26Jan 4Nov 29
2014Feb 2Nov 17noneDec 27
2013Feb 27Dec 6Jan 17Dec 9
2012Mar 3Nov 11Jan 18Dec 20
2011Mar 1Nov 10Feb 10Dec 4
2010Feb 23Nov 25Jan 3Nov 25
2009Feb 19Nov 24Jan 5Dec 4
2008Feb 6Dec 10Feb 5Dec 17
2007Mar 4Dec 10Jan 18Dec 15
2006Feb 22Nov 29Feb 20Nov 29
2005Mar 15Nov 27noneDec 4
2004Feb 14Nov 29Feb 13Nov 30
2003Feb 10Nov 23Feb 7Dec 16
2002Mar 9Dec 19Mar 4Dec 19
2001Feb 16Nov 27Feb 9Nov 28
2000Jan 29Nov 12Jan 4Nov 17
1999Mar 16Nov 23Feb 13Dec 15
1998Mar 29Dec 6noneDec 7
1997Mar 5Dec 4noneDec 12
1996Feb 28Dec 1noneDec 18
1995Jan 20Dec 18noneDec 18
1994Feb 24Nov 14Feb 23Nov 14
1993Jan 25Nov 20Jan 5Nov 25
1992Jan 26Nov 11Jan 16Nov 26
1991Feb 2Nov 23Jan 31Dec 3
1990Mar 13Nov 27Feb 16Nov 28
1989Feb 16Nov 28Feb 13Nov 29
1988Feb 6Nov 20Feb 5Dec 26
1987Feb 28Nov 19Jan 22Nov 27
1986Feb 11Dec 1Feb 11Dec 2
1985Mar 7Nov 13Mar 4Nov 19
1984Feb 27no dataJan 20no data
1983Jan 3Nov 22Jan 2Nov 23
1982Feb 6Dec 17Feb 6Dec 30
1981Feb 7Dec 30nonenone
1980Feb 12Dec 10noneDec 10
1979Feb 5Nov 21Jan 30Nov 22
1978Jan 24Dec 3noneDec 6
1977Jan 11Nov 20nonenone
1976Jan 7Nov 28Jan 3Nov 28
1975Feb 22Nov 19Feb 22Nov 30
1974Feb 21Dec 24Jan 3Dec 25
1973Jan 29noneJan 8none
1972Feb 11Dec 6Feb 3Dec 9
1971Mar 6Oct 30Feb 27Oct 30
1970Jan 30Oct 28Jan 30none
1969Feb 3Nov 19Feb 3none
1968Jan 30Nov 29Jan 30Dec 3
1967Feb 15Dec 2Jan 9Dec 21
1966Mar 5Nov 27Mar 4Dec 23
1965Mar 3Nov 28Mar 3Dec 19
1964Mar 8Nov 14Feb 15Nov 19
1963Jan 27Nov 17Jan 27Dec 11
1962Mar 15Dec 23Mar 15Dec 25
1961Mar 8Nov 17Jan 29Nov 18
1960Feb 24Nov 28Jan 20Dec 6
1959Feb 14Nov 27Feb 14none
1958Mar 12Nov 16Jan 14Nov 17
1957Feb 5Nov 17Feb 5Nov 30
1956Mar 16Nov 4Feb 17Nov 15
1955Mar 21Nov 16Mar 21Dec 29
1954Mar 15Nov 30Mar 13Dec 1
1953Apr 11Nov 19Mar 3Dec 6
1952Mar 23Nov 18Jan 12Nov 26
1951Mar 4Nov 17Mar 3Dec 8

"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.