Last Frost Day

Frost history / Estancia 4N, NM

Estancia 4N, NM: frost dates by year

Last spring and first fall frost at NOAA station USC00293060, 1951 to 2004, measured from daily minimum temperatures.

Elevation 6,140 ft, 34.824, -106.034. Download the data (JSON) · NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 20Sep 30
EarliestApr 26 (1992)Sep 13 (1959)
LatestJun 17 (1962)Oct 21 (1962)
Trend1.3 days earlier per decade0.7 days later per decade
Years with data5451

At 28°F (hard freeze) the median last spring date is May 9 and the median first fall date is Oct 9.

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 29196019701980199020001951: Jun 91952: May 191953: May 301954: May 31955: May 41956: May 171957: May 151958: May 41959: May 291960: May 271961: Jun 31962: Jun 171963: Jun 101964: Jun 11965: May 271966: May 141967: May 211968: May 181969: May 81970: May 231971: Jun 51972: May 251973: May 291974: May 221975: May 231976: Jun 161977: May 231978: May 91979: May 151980: May 281981: May 101982: May 81983: May 211984: May 91985: May 151986: May 181987: May 291988: May 231989: May 51990: May 101991: May 81992: Apr 261993: May 111994: Apr 301995: May 61996: May 301997: May 261998: Jun 81999: May 112000: May 192001: Jun 152002: May 132003: May 132004: May 31

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27196019701980199020001951: Sep 171952: Oct 61953: Oct 21954: Oct 151955: Sep 301956: Oct 141957: Sep 191958: Oct 31959: Sep 131960: Sep 251961: Sep 271962: Oct 211963: Oct 51964: Sep 281965: Sep 231966: Oct 71967: Sep 141968: Sep 141969: Oct 61970: Sep 231971: Sep 161973: Sep 261974: Sep 281975: Sep 221976: Sep 301977: Oct 111978: Oct 141979: Oct 41980: Sep 251981: Oct 181982: Oct 31983: Sep 211984: Oct 161985: Oct 21987: Oct 51988: Sep 291989: Oct 191990: Oct 91991: Oct 51992: Sep 271993: Sep 201994: Sep 231995: Sep 211996: Sep 201997: Oct 81998: Oct 21999: Sep 282000: Sep 252001: Oct 22002: Oct 42003: Oct 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
2004May 31no dataApr 27no data
2003May 13Oct 20May 12Oct 26
2002May 13Oct 4May 6Oct 5
2001Jun 15Oct 2May 10Oct 6
2000May 19Sep 25May 12Sep 25
1999May 11Sep 28Apr 19Sep 28
1998Jun 8Oct 2May 15Oct 5
1997May 26Oct 8May 2Oct 8
1996May 30Sep 20May 25Sep 27
1995May 6Sep 21Apr 27Oct 4
1994Apr 30Sep 23Apr 30Oct 9
1993May 11Sep 20May 10Oct 20
1992Apr 26Sep 27Apr 21Oct 1
1991May 8Oct 5May 1Oct 5
1990May 10Oct 9Apr 4Oct 9
1989May 5Oct 19Apr 28Oct 19
1988May 23Sep 29May 9Oct 11
1987May 29Oct 5Apr 26Oct 17
1986May 18no dataApr 18no data
1985May 15Oct 2May 15Oct 5
1984May 9Oct 16May 9Oct 17
1983May 21Sep 21May 16Sep 21
1982May 8Oct 3Apr 20Oct 10
1981May 10Oct 18May 10Oct 18
1980May 28Sep 25May 25Oct 17
1979May 15Oct 4May 13Oct 10
1978May 9Oct 14May 9Oct 14
1977May 23Oct 11Apr 22Oct 11
1976Jun 16Sep 30May 8Oct 8
1975May 23Sep 22May 10Oct 14
1974May 22Sep 28May 22Nov 1
1973May 29Sep 26May 28Sep 26
1972May 25no dataMay 21no data
1971Jun 5Sep 16May 24Sep 20
1970May 23Sep 23May 23Sep 23
1969May 8Oct 6May 8Oct 14
1968May 18Sep 14May 1Sep 17
1967May 21Sep 14May 21Oct 16
1966May 14Oct 7May 4Oct 10
1965May 27Sep 23May 9Sep 30
1964Jun 1Sep 28May 9Oct 12
1963Jun 10Oct 5Jun 9Oct 14
1962Jun 17Oct 21May 19Oct 21
1961Jun 3Sep 27May 9Oct 1
1960May 27Sep 25May 21Oct 14
1959May 29Sep 13May 6Sep 14
1958May 4Oct 3Apr 22Oct 16
1957May 15Sep 19Apr 26Sep 24
1956May 17Oct 14May 16Oct 14
1955May 4Sep 30May 4Oct 7
1954May 3Oct 15May 3Oct 15
1953May 30Oct 2May 12Oct 5
1952May 19Oct 6May 11Oct 6
1951Jun 9Sep 17May 4Oct 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.