Last Frost Day

Frost history / Vernon, TX

Vernon, TX: frost dates by year

Last spring and first fall frost at NOAA station USC00419346, 1951 to 2006, measured from daily minimum temperatures.

Elevation 1,210 ft, 34.152, -99.326. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 1Nov 10
EarliestFeb 27 (2004)Oct 19 (1989)
LatestApr 15 (1983)Dec 8 (1998)
Trendlittle change (less than half a day per decade)little change (less than half a day per decade)
Years with data3538

At 28°F (hard freeze) the median last spring date is Mar 19 and the median first fall date is Nov 16.

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 30196019701980199020001951: Mar 301965: Mar 271966: Mar 241967: Mar 161968: Apr 51970: Apr 51971: Apr 71972: Apr 11973: Apr 101976: Mar 161978: Mar 251979: Apr 41980: Mar 211981: Mar 231982: Mar 71983: Apr 151986: Mar 221987: Apr 41988: Mar 301989: Apr 111990: Apr 71991: Apr 11992: Apr 31993: Mar 151994: Apr 61995: Apr 101996: Apr 61997: Apr 141998: Mar 212001: Apr 12002: Mar 282003: Apr 102004: Feb 272005: Mar 172006: Mar 25

First fall frost (32°F)

Oct 12Oct 27Nov 11Nov 26Dec 11Dec 26196019701980199020001951: Nov 21964: Nov 201965: Nov 291966: Nov 21967: Nov 41968: Nov 91969: Nov 191970: Nov 21971: Nov 191972: Nov 161976: Oct 201977: Nov 101978: Nov 71979: Nov 31980: Oct 291981: Nov 101982: Nov 41983: Nov 101984: Nov 211985: Nov 201986: Nov 111987: Nov 101988: Nov 161989: Oct 191990: Oct 221991: Oct 311993: Oct 301994: Nov 161995: Nov 101997: Oct 271998: Dec 82000: Nov 82001: Nov 202002: Nov 192003: Nov 242004: Nov 42005: Oct 242006: Nov 2

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
2006Mar 25Nov 2Mar 25Nov 30
2005Mar 17Oct 24Feb 4Nov 16
2004Feb 27Nov 4Feb 26Dec 1
2003Apr 10Nov 24Mar 10Nov 24
2002Mar 28Nov 19Mar 26Nov 27
2001Apr 1Nov 20Mar 27Nov 28
2000no dataNov 8no dataNov 8
1998Mar 21Dec 8Mar 13Dec 8
1997Apr 14Oct 27Apr 13Oct 27
1996Apr 6no dataMar 27no data
1995Apr 10Nov 10Mar 8Nov 10
1994Apr 6Nov 16Apr 5Nov 28
1993Mar 15Oct 30Mar 14Oct 30
1992Apr 3no dataMar 11no data
1991Apr 1Oct 31Mar 31Nov 1
1990Apr 7Oct 22Mar 25Nov 28
1989Apr 11Oct 19Apr 10Nov 3
1988Mar 30Nov 16Mar 19Nov 17
1987Apr 4Nov 10Apr 4Nov 12
1986Mar 22Nov 11Mar 21Nov 11
1985no dataNov 20no dataDec 1
1984no dataNov 21no dataDec 3
1983Apr 15Nov 10Mar 21Nov 11
1982Mar 7Nov 4Mar 7Nov 4
1981Mar 23Nov 10Feb 14Nov 10
1980Mar 21Oct 29Mar 6Oct 29
1979Apr 4Nov 3Mar 5Nov 11
1978Mar 25Nov 7Mar 9Dec 3
1977no dataNov 10no dataDec 6
1976Mar 16Oct 20Mar 16Oct 20
1973Apr 10no dataApr 10no data
1972Apr 1Nov 16Mar 5Nov 22
1971Apr 7Nov 19Mar 8Dec 6
1970Apr 5Nov 2Apr 5Nov 15
1969no dataNov 19no dataNov 19
1968Apr 5Nov 9Mar 23Nov 11
1967Mar 16Nov 4Mar 9Dec 3
1966Mar 24Nov 2Mar 24Nov 2
1965Mar 27Nov 29Mar 26Nov 29
1964no dataNov 20no dataNov 21
1951Mar 30Nov 2Mar 19Nov 2

"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.