Last Frost Day

Frost history / Robert Lee 4WSW, TX

Robert Lee 4WSW, TX: frost dates by year

Last spring and first fall frost at NOAA station USC00417669, 1962 to 2015, measured from daily minimum temperatures.

Elevation 1,914 ft, 31.884, -100.536. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMar 24Nov 12
EarliestFeb 26 (2004)Oct 19 (1989)
LatestApr 16 (1983)Dec 8 (1998)
Trend1.0 days later per decadelittle change (less than half a day per decade)
Years with data4348

At 28°F (hard freeze) the median last spring date is Mar 14 and the median first fall date is Nov 19.

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 30197019801990200020101963: Mar 101964: Mar 191966: Mar 251967: Mar 91968: Mar 241969: Mar 271971: Apr 81972: Apr 11973: Apr 111974: Mar 251975: Apr 41976: Mar 221977: Mar 231978: Mar 181979: Mar 61980: Mar 191981: Mar 191982: Mar 71983: Apr 161984: Mar 81985: Apr 11986: Mar 221987: Apr 41988: Mar 201989: Apr 121990: Mar 261991: Mar 171992: Apr 31993: Mar 151994: Apr 71996: Mar 281997: Apr 151998: Mar 211999: Mar 162000: Mar 182002: Mar 272004: Feb 262005: Apr 12006: Mar 222007: Apr 142008: Apr 132010: Apr 82015: Mar 7

First fall frost (32°F)

Oct 12Oct 27Nov 11Nov 26Dec 11Dec 26197019801990200020101962: Nov 191963: Nov 21964: Nov 201965: Nov 291966: Nov 21967: Nov 41968: Nov 91969: Nov 151970: Oct 291971: Nov 191972: Nov 151973: Nov 161974: Nov 251975: Nov 131976: Oct 201977: Nov 101978: Nov 171979: Nov 21980: Oct 291981: Nov 101982: Nov 41983: Nov 241984: Nov 281985: Nov 21986: Nov 111987: Nov 101988: Nov 171989: Oct 191990: Oct 221991: Oct 311992: Nov 51993: Oct 301994: Nov 281995: Nov 281996: Nov 251997: Oct 271998: Dec 82000: Nov 92002: Nov 282003: Nov 232004: Nov 292005: Oct 242006: Nov 152007: Nov 212008: Oct 232009: Oct 272014: Nov 122015: Nov 22

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
2015Mar 7Nov 22Mar 7Nov 22
2014no dataNov 12no dataNov 12
2010Apr 8no dataMar 23no data
2009no dataOct 27no dataNov 18
2008Apr 13Oct 23Mar 8Nov 14
2007Apr 14Nov 21Mar 5Nov 25
2006Mar 22Nov 15Mar 22Nov 29
2005Apr 1Oct 24Mar 16Nov 15
2004Feb 26Nov 29Feb 26Nov 30
2003no dataNov 23no dataNov 23
2002Mar 27Nov 28Mar 23Nov 28
2000Mar 18Nov 9Feb 12Nov 14
1999Mar 16no dataMar 15no data
1998Mar 21Dec 8Mar 13Dec 9
1997Apr 15Oct 27Apr 12Nov 11
1996Mar 28Nov 25Mar 25Nov 25
1995no dataNov 28no dataNov 29
1994Apr 7Nov 28Mar 11Nov 28
1993Mar 15Oct 30Mar 14Oct 31
1992Apr 3Nov 5Feb 9Nov 5
1991Mar 17Oct 31Feb 27Nov 2
1990Mar 26Oct 22Feb 18Nov 29
1989Apr 12Oct 19Mar 21Nov 3
1988Mar 20Nov 17Mar 20Nov 17
1987Apr 4Nov 10Apr 4Nov 11
1986Mar 22Nov 11Feb 13Nov 13
1985Apr 1Nov 2Feb 16Dec 1
1984Mar 8Nov 28Mar 6Dec 7
1983Apr 16Nov 24Apr 9Nov 27
1982Mar 7Nov 4Mar 7Nov 4
1981Mar 19Nov 10Feb 12Nov 10
1980Mar 19Oct 29Mar 19Nov 18
1979Mar 6Nov 2Mar 6Nov 11
1978Mar 18Nov 17Mar 10Nov 28
1977Mar 23Nov 10Mar 23Nov 10
1976Mar 22Oct 20Mar 15Nov 13
1975Apr 4Nov 13Apr 4Nov 13
1974Mar 25Nov 25Mar 25Nov 30
1973Apr 11Nov 16Apr 11Nov 29
1972Apr 1Nov 15Feb 17Nov 20
1971Apr 8Nov 19Apr 7Dec 6
1970no dataOct 29no dataNov 5
1969Mar 27Nov 15Mar 14Nov 19
1968Mar 24Nov 9Mar 23Nov 19
1967Mar 9Nov 4Mar 9Nov 4
1966Mar 25Nov 2Mar 25Nov 2
1965no dataNov 29no dataNov 29
1964Mar 19Nov 20Mar 10Nov 22
1963Mar 10Nov 2Mar 7Dec 3
1962no dataNov 19no dataDec 6

"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.