Last Frost Day

Frost history / Pietown 19NE, NM

Pietown 19NE, NM: frost dates by year

Last spring and first fall frost at NOAA station USC00296812, 1989 to 2019, measured from daily minimum temperatures.

Elevation 7,961 ft, 34.493, -107.888. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 23Oct 9
EarliestApr 21 (1992)Sep 17 (2006)
LatestJun 9 (2019)Oct 26 (2003)
Trend1.0 days later per decade2.9 days earlier per decade
Years with data1818

At 28°F (hard freeze) the median last spring date is Apr 29 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)

Apr 15Apr 30May 15May 30Jun 141990200020101989: Apr 301990: Jun 11991: Jun 11992: Apr 211993: Jun 71994: May 91995: May 301996: Apr 291997: May 21999: Jun 52002: May 232005: May 122007: May 72008: May 232010: May 252015: May 252018: Apr 212019: Jun 9

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 111990200020101989: Oct 181990: Oct 81991: Oct 251992: Oct 81993: Oct 181994: Oct 61995: Sep 301996: Sep 282001: Oct 112003: Oct 262004: Oct 142005: Oct 102006: Sep 172007: Oct 62008: Oct 122013: Sep 272018: Oct 42019: Oct 11

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
2019Jun 9Oct 11May 21Oct 11
2018Apr 21Oct 4Apr 21Oct 16
2015May 25no dataMay 17no data
2013no dataSep 27no dataSep 27
2010May 25no dataMay 14no data
2008May 23Oct 12May 3Oct 13
2007May 7Oct 6May 7Oct 22
2006no dataSep 17no dataSep 17
2005May 12Oct 10Apr 21Nov 1
2004no dataOct 14no dataOct 29
2003no dataOct 26no dataOct 26
2002May 23no dataMar 29no data
2001no dataOct 11no dataOct 11
1999Jun 5no dataMay 4no data
1997May 2no dataApr 27no data
1996Apr 29Sep 28Apr 29Oct 21
1995May 30Sep 30May 7Oct 5
1994May 9Oct 6Apr 29Oct 9
1993Jun 7Oct 18May 9Oct 27
1992Apr 21Oct 8Apr 20Nov 1
1991Jun 1Oct 25Apr 29Oct 26
1990Jun 1Oct 8Apr 20Oct 8
1989Apr 30Oct 18Apr 27Oct 18

"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.