Last Frost Day

Frost history / Arkansas Post, AR

Arkansas Post, AR: frost dates by year

Last spring and first fall frost at NOAA station USC00030240, 1964 to 2021, measured from daily minimum temperatures.

Elevation 194 ft, 34.025, -91.344. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMar 16Nov 12
EarliestJan 26 (1990)Sep 29 (1967)
LatestApr 11 (1989)Dec 5 (1988)
Trend3.3 days earlier per decade3.7 days later per decade
Years with data4847

At 28°F (hard freeze) the median last spring date is Mar 4 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)

Jan 15Jan 30Feb 14Mar 1Mar 16Mar 31Apr 15Apr 301970198019902000201020201964: Apr 91965: Mar 261966: Apr 51967: Mar 221968: Apr 61969: Mar 281970: Mar 271971: Apr 71972: Mar 311973: Feb 281974: Mar 241975: Apr 31976: Feb 81977: Mar 71978: Mar 171979: Mar 111980: Mar 181981: Mar 191982: Mar 81983: Mar 221984: Mar 111985: Feb 281986: Mar 221987: Apr 41988: Mar 191989: Apr 111990: Jan 261991: Mar 301993: Mar 141994: Mar 101997: Feb 151998: Mar 122003: Mar 102004: Feb 272005: Mar 142006: Mar 242007: Apr 82008: Mar 92009: Apr 22010: Mar 42012: Feb 132014: Mar 62015: Mar 72017: Mar 152018: Apr 82019: Mar 62020: Feb 272021: Feb 21

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 11Nov 26Dec 111970198019902000201020201964: Oct 61965: Oct 251966: Oct 201967: Sep 291968: Oct 251969: Nov 51970: Nov 61971: Nov 41972: Nov 221973: Nov 111974: Nov 151975: Nov 141976: Nov 51977: Nov 101978: Dec 41979: Nov 111980: Nov 191981: Oct 241982: Nov 51983: Nov 121984: Nov 121985: Dec 21986: Nov 131987: Nov 111988: Dec 51989: Oct 201990: Nov 301992: Nov 61993: Oct 311997: Nov 162002: Nov 272003: Nov 242004: Dec 12005: Nov 172006: Nov 32007: Nov 72008: Nov 162009: Dec 42010: Nov 262011: Nov 302013: Nov 132014: Nov 122016: Nov 202017: Oct 292019: Oct 312020: Dec 12021: Nov 19

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
2021Feb 21Nov 19Feb 21none
2020Feb 27Dec 1Feb 27Dec 1
2019Mar 6Oct 31Mar 6Nov 12
2018Apr 8no dataFeb 8no data
2017Mar 15Oct 29Jan 27Nov 22
2016no dataNov 20no dataDec 9
2015Mar 7no dataMar 7no data
2014Mar 6Nov 12Mar 5Nov 14
2013no dataNov 13no dataNov 13
2012Feb 13no dataFeb 13no data
2011no dataNov 30no dataDec 11
2010Mar 4Nov 26Mar 4Dec 6
2009Apr 2Dec 4Mar 2Dec 5
2008Mar 9Nov 16Mar 9Nov 21
2007Apr 8Nov 7Mar 4Dec 16
2006Mar 24Nov 3Feb 21Dec 1
2005Mar 14Nov 17Jan 24Nov 18
2004Feb 27Dec 1Feb 16Dec 14
2003Mar 10Nov 24Feb 26Nov 29
2002no dataNov 27no dataNov 28
1998Mar 12no dataMar 12no data
1997Feb 15Nov 16Jan 30Nov 16
1994Mar 10no dataFeb 27no data
1993Mar 14Oct 31Mar 14Nov 1
1992no dataNov 6no dataNov 29
1991Mar 30no dataFeb 26no data
1990Jan 26Nov 30Jan 13Dec 22
1989Apr 11Oct 20Mar 9Nov 17
1988Mar 19Dec 5Mar 15Dec 12
1987Apr 4Nov 11Mar 31Dec 16
1986Mar 22Nov 13Mar 22Nov 13
1985Feb 28Dec 2Feb 15Dec 2
1984Mar 11Nov 12Mar 9Nov 22
1983Mar 22Nov 12Mar 12Nov 29
1982Mar 8Nov 5Feb 11Nov 14
1981Mar 19Oct 24Feb 14Nov 21
1980Mar 18Nov 19Mar 3Nov 19
1979Mar 11Nov 11Feb 20Nov 29
1978Mar 17Dec 4Mar 5Dec 9
1977Mar 7Nov 10Feb 20Nov 26
1976Feb 8Nov 5Feb 8Nov 5
1975Apr 3Nov 14Mar 14Nov 14
1974Mar 24Nov 15Mar 24Nov 15
1973Feb 28Nov 11Feb 23Dec 7
1972Mar 31Nov 22Mar 3Nov 23
1971Apr 7Nov 4Mar 8Nov 8
1970Mar 27Nov 6Mar 15Nov 16
1969Mar 28Nov 5Mar 12Nov 14
1968Apr 6Oct 25Mar 24Nov 19
1967Mar 22Sep 29Mar 7Nov 4
1966Apr 5Oct 20Mar 25Nov 3
1965Mar 26Oct 25Mar 21Oct 25
1964Apr 9Oct 6Mar 30Oct 10

"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.