Last Frost Day

Frost history / Mountainburg 2 Ne, AR

Mountainburg 2 Ne, AR: frost dates by year

Last spring and first fall frost at NOAA station USC00035018, 1986 to 2021, measured from daily minimum temperatures.

Elevation 793 ft, 35.649, -94.154. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 8Oct 26
EarliestMar 9 (2015)Oct 9 (1992)
LatestApr 27 (1992)Nov 24 (2003)
Trend1.7 days earlier per decade2.9 days later per decade
Years with data2628

At 28°F (hard freeze) the median last spring date is Mar 31 and the median first fall date is Nov 4.

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)

Mar 1Mar 16Mar 31Apr 15Apr 30May 1519902000201020201987: Apr 51988: Apr 61989: Apr 111990: Apr 101991: Mar 311992: Apr 271993: Apr 161994: Mar 311995: Mar 221996: Apr 71997: Apr 151998: Apr 11999: Mar 262000: Apr 42001: Apr 182003: Apr 112005: Apr 252006: Mar 282007: Apr 172008: Apr 152009: Apr 122010: Mar 302015: Mar 92017: Apr 82018: Apr 82019: Apr 3

First fall frost (32°F)

Sep 27Oct 12Oct 27Nov 11Nov 26Dec 1119902000201020201986: Nov 121987: Oct 121988: Nov 21989: Oct 191990: Oct 111991: Nov 11992: Oct 91993: Oct 281994: Oct 261995: Oct 211996: Oct 191997: Oct 261998: Nov 61999: Oct 242000: Oct 92001: Oct 162003: Nov 242006: Oct 212007: Nov 72009: Nov 192010: Oct 292011: Oct 202014: Nov 12015: Nov 92017: Oct 252018: Nov 102019: Oct 122021: Nov 5

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
2021no dataNov 5no dataNov 13
2019Apr 3Oct 12Apr 3Nov 1
2018Apr 8Nov 10Apr 8Nov 10
2017Apr 8Oct 25Mar 17Oct 28
2015Mar 9Nov 9Mar 8Nov 22
2014no dataNov 1no dataNov 1
2011no dataOct 20no dataOct 21
2010Mar 30Oct 29Mar 21Nov 6
2009Apr 12Nov 19Mar 3Dec 1
2008Apr 15no dataApr 15no data
2007Apr 17Nov 7Apr 9Nov 7
2006Mar 28Oct 21Mar 26Nov 2
2005Apr 25no dataMar 18no data
2003Apr 11Nov 24Apr 11Nov 24
2001Apr 18Oct 16Apr 1Nov 20
2000Apr 4Oct 9Apr 4Oct 9
1999Mar 26Oct 24Mar 16Oct 24
1998Apr 1Nov 6Mar 13Nov 11
1997Apr 15Oct 26Apr 13Nov 15
1996Apr 7Oct 19Apr 7Nov 2
1995Mar 22Oct 21Mar 11Nov 3
1994Mar 31Oct 26Mar 31Oct 26
1993Apr 16Oct 28Apr 16Oct 30
1992Apr 27Oct 9Apr 2Nov 6
1991Mar 31Nov 1Mar 31Nov 2
1990Apr 10Oct 11Mar 20Nov 17
1989Apr 11Oct 19Apr 11Oct 19
1988Apr 6Nov 2Mar 30Nov 17
1987Apr 5Oct 12Apr 5Oct 21
1986no dataNov 12no dataNov 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.