Last Frost Day

Frost history / Hot Springs Asos, AR

Hot Springs Asos, AR: frost dates by year

Last spring and first fall frost at NOAA station USW00003962, 1986 to 2024, measured from daily minimum temperatures.

Elevation 535 ft, 34.290, -93.060. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMar 26Nov 11
EarliestMar 3 (2009)Oct 10 (2000)
LatestApr 21 (2021)Dec 9 (1998)
Trend1.9 days earlier per decadelittle change (less than half a day per decade)
Years with data3839

At 28°F (hard freeze) the median last spring date is Mar 7 and the median first fall date is Nov 22.

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)

Feb 14Mar 1Mar 16Mar 31Apr 15Apr 3019902000201020201987: Apr 51988: Mar 191989: Apr 111990: Apr 81991: Mar 301992: Apr 31993: Mar 141994: Apr 71995: Mar 101996: Apr 71997: Apr 141998: Mar 221999: Mar 152000: Apr 92001: Mar 172002: Mar 272003: Mar 312004: Mar 122005: Mar 172006: Mar 252007: Apr 82008: Mar 242009: Mar 32010: Mar 52011: Apr 52012: Mar 42013: Mar 272014: Apr 152015: Mar 72016: Mar 212017: Mar 82018: Apr 82019: Apr 22020: Mar 72021: Apr 212022: Apr 92023: Mar 202024: Mar 19

First fall frost (32°F)

Sep 27Oct 12Oct 27Nov 11Nov 26Dec 11Dec 2619902000201020201986: Nov 121987: Nov 111988: Nov 171989: Oct 201990: Nov 291991: Nov 21992: Nov 61993: Oct 281994: Oct 271995: Nov 41996: Nov 31997: Nov 161998: Dec 91999: Nov 262000: Oct 102001: Oct 282002: Nov 172003: Nov 242004: Nov 252005: Nov 162006: Nov 32007: Nov 72008: Oct 282009: Nov 272010: Oct 302011: Nov 112012: Nov 132013: Nov 132014: Nov 122015: Nov 212016: Nov 132017: Oct 282018: Nov 102019: Nov 12020: Nov 302021: Nov 42022: Oct 192023: Oct 312024: Nov 29

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
2024Mar 19Nov 29Feb 19Nov 30
2023Mar 20Oct 31Mar 20Nov 27
2022Apr 9Oct 19Mar 12Nov 13
2021Apr 21Nov 4Feb 20Dec 12
2020Mar 7Nov 30Feb 27Dec 1
2019Apr 2Nov 1Mar 6Nov 12
2018Apr 8Nov 10Feb 8Nov 15
2017Mar 8Oct 28Feb 4Dec 8
2016Mar 21Nov 13Feb 26Dec 9
2015Mar 7Nov 21Mar 7Nov 22
2014Apr 15Nov 12Mar 7Nov 14
2013Mar 27Nov 13Mar 27Nov 13
2012Mar 4Nov 13Feb 25Nov 28
2011Apr 5Nov 11Feb 12Nov 30
2010Mar 5Oct 30Mar 4Dec 1
2009Mar 3Nov 27Mar 2Dec 4
2008Mar 24Oct 28Mar 8Nov 16
2007Apr 8Nov 7Apr 8Dec 16
2006Mar 25Nov 3Feb 21Nov 20
2005Mar 17Nov 16Feb 10Nov 17
2004Mar 12Nov 25Feb 18Dec 1
2003Mar 31Nov 24Feb 26Nov 24
2002Mar 27Nov 17Mar 23Nov 27
2001Mar 17Oct 28Feb 18Nov 21
2000Apr 9Oct 10Mar 12Nov 15
1999Mar 15Nov 26Feb 22Nov 26
1998Mar 22Dec 9Mar 12Dec 22
1997Apr 14Nov 16Feb 11Nov 16
1996Apr 7Nov 3Mar 10Nov 28
1995Mar 10Nov 4Mar 9Nov 4
1994Apr 7Oct 27Apr 7Nov 30
1993Mar 14Oct 28Mar 14Oct 31
1992Apr 3Nov 6Mar 11Nov 6
1991Mar 30Nov 2Mar 30Nov 2
1990Apr 8Nov 29Mar 20Nov 30
1989Apr 11Oct 20Apr 11Oct 20
1988Mar 19Nov 17Mar 19Nov 22
1987Apr 5Nov 11Apr 5Nov 11
1986no dataNov 12no dataNov 13

"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.