Last Frost Day

Frost history / Blue Mtn Dam, AR

Blue Mtn Dam, AR: frost dates by year

Last spring and first fall frost at NOAA station USC00030798, 1967 to 2025, measured from daily minimum temperatures.

Elevation 426 ft, 35.116, -93.651. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMar 30Nov 4
EarliestMar 2 (2020)Oct 9 (2000)
LatestApr 22 (1993)Dec 9 (1998)
Trend1.7 days earlier per decade0.9 days later per decade
Years with data5756

At 28°F (hard freeze) the median last spring date is Mar 14 and the median first fall date is Nov 14.

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 301970198019902000201020201967: Mar 191968: Apr 51969: Mar 261970: Apr 31971: Apr 81972: Apr 41973: Apr 121974: Apr 101975: Apr 131976: Mar 171977: Mar 231978: Mar 271979: Apr 51980: Apr 151981: Mar 121982: Apr 61983: Apr 161984: Mar 121985: Mar 51986: Mar 221987: Apr 61988: Mar 301989: Apr 121990: Apr 81991: Mar 311992: Apr 31993: Apr 221994: Apr 81995: Apr 11996: Apr 71997: Apr 151998: Mar 221999: Mar 262000: Apr 92001: Mar 252002: Mar 272003: Mar 312004: Mar 122005: Mar 152006: Mar 252007: Apr 82008: Mar 252009: Mar 42010: Mar 242011: Mar 112012: Mar 92014: Mar 272015: Mar 92016: Mar 292018: Apr 162019: Apr 32020: Mar 22021: Apr 32022: Apr 142023: Mar 212024: Mar 282025: Mar 24

First fall frost (32°F)

Sep 27Oct 12Oct 27Nov 11Nov 26Dec 11Dec 261970198019902000201020201967: Nov 41968: Oct 291969: Nov 51970: Nov 61971: Nov 41972: Nov 191973: Nov 111974: Nov 71976: Oct 211977: Oct 131978: Oct 271979: Nov 41980: Oct 301981: Oct 241982: Oct 231983: Nov 241984: Nov 121985: Nov 201986: Nov 121987: Nov 111988: Nov 131989: Oct 191990: Nov 61991: Nov 11992: Nov 41993: Oct 281994: Oct 261995: Nov 41996: Nov 31997: Oct 281998: Dec 91999: Oct 252000: Oct 92001: Nov 202002: Nov 172003: Nov 242004: Nov 282005: Nov 162006: Nov 22007: Nov 72008: Oct 282009: Nov 272010: Oct 302011: Nov 112012: Oct 282013: Nov 132014: Nov 22015: Nov 222016: Nov 202017: Oct 292018: Nov 102019: Nov 12020: Nov 152021: Nov 52022: Oct 192023: Nov 1

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
2025Mar 24no dataFeb 24no data
2024Mar 28no dataMar 20no data
2023Mar 21Nov 1Mar 21Nov 1
2022Apr 14Oct 19Apr 2Nov 12
2021Apr 3Nov 5Feb 22Nov 6
2020Mar 2Nov 15Feb 28Dec 1
2019Apr 3Nov 1Mar 18Nov 1
2018Apr 16Nov 10Apr 9Nov 10
2017no dataOct 29no dataOct 29
2016Mar 29Nov 20Mar 22Nov 20
2015Mar 9Nov 22Mar 9Nov 23
2014Mar 27Nov 2Mar 7Nov 12
2013no dataNov 13no dataNov 13
2012Mar 9Oct 28Feb 13Nov 13
2011Mar 11Nov 11Mar 11Dec 8
2010Mar 24Oct 30Mar 5Nov 6
2009Mar 4Nov 27Mar 3Dec 4
2008Mar 25Oct 28Mar 8Nov 16
2007Apr 8Nov 7Apr 8Nov 16
2006Mar 25Nov 2Mar 25Nov 3
2005Mar 15Nov 16Jan 25Nov 17
2004Mar 12Nov 28Feb 27Dec 1
2003Mar 31Nov 24Mar 7Nov 24
2002Mar 27Nov 17Mar 23Nov 23
2001Mar 25Nov 20Feb 18Nov 21
2000Apr 9Oct 9Mar 12Nov 15
1999Mar 26Oct 25Mar 4Nov 26
1998Mar 22Dec 9Mar 13Dec 9
1997Apr 15Oct 28Mar 15Nov 16
1996Apr 7Nov 3Mar 27Nov 3
1995Apr 1Nov 4Mar 10Nov 4
1994Apr 8Oct 26Apr 7Nov 30
1993Apr 22Oct 28Mar 18Oct 28
1992Apr 3Nov 4Apr 3Nov 6
1991Mar 31Nov 1Mar 10Nov 2
1990Apr 8Nov 6Mar 20Nov 30
1989Apr 12Oct 19Apr 12Nov 3
1988Mar 30Nov 13Mar 16Nov 17
1987Apr 6Nov 11Apr 5Nov 11
1986Mar 22Nov 12Mar 22Nov 12
1985Mar 5Nov 20Feb 16Dec 1
1984Mar 12Nov 12Mar 10Nov 22
1983Apr 16Nov 24Mar 22Nov 29
1982Apr 6Oct 23Mar 9Nov 5
1981Mar 12Oct 24Feb 15Nov 21
1980Apr 15Oct 30Mar 18Nov 19
1979Apr 5Nov 4Mar 8Nov 11
1978Mar 27Oct 27Mar 17Nov 28
1977Mar 23Oct 13Mar 6Nov 11
1976Mar 17Oct 21Feb 24Nov 5
1975Apr 13no dataApr 3no data
1974Apr 10Nov 7Mar 25Nov 15
1973Apr 12Nov 11Apr 11Nov 11
1972Apr 4Nov 19Mar 3Nov 22
1971Apr 8Nov 4Mar 8Nov 7
1970Apr 3Nov 6Mar 27Nov 16
1969Mar 26Nov 5Mar 14Nov 5
1968Apr 5Oct 29Mar 24Nov 12
1967Mar 19Nov 4Mar 18Nov 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 to 2020 frost probabilities.