Last Frost Day

Frost history / Henrietta, TX

Henrietta, TX: frost dates by year

Last spring and first fall frost at NOAA station USC00414093, 1951 to 2005, measured from daily minimum temperatures.

Elevation 930 ft, 33.813, -98.200. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMar 28Nov 9
EarliestMar 5 (1953)Oct 6 (1991)
LatestApr 20 (1988)Nov 29 (1965)
Trend0.6 days later per decadelittle change (less than half a day per decade)
Years with data4852

At 28°F (hard freeze) the median last spring date is Mar 15 and the median first fall date is Nov 20.

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: Apr 141952: Apr 111953: Mar 51954: Apr 21955: Mar 291956: Mar 171958: Mar 191959: Apr 131960: Mar 191961: Mar 91962: Apr 21964: Mar 301965: Mar 271966: Mar 251967: Mar 91968: Apr 51969: Mar 261970: Apr 51971: Apr 71972: Apr 11973: Apr 111974: Mar 261975: Apr 41976: Mar 171977: Mar 221978: Mar 101979: Mar 251981: Mar 191982: Mar 261983: Apr 161984: Mar 201985: Mar 311986: Mar 221987: Apr 51988: Apr 201989: Apr 121990: Apr 81991: Mar 151992: Apr 41993: Apr 31994: Apr 71996: Mar 271997: Apr 141998: Mar 221999: Mar 162000: Apr 52001: Mar 162002: Mar 27

First fall frost (32°F)

Sep 27Oct 12Oct 27Nov 11Nov 26Dec 11196019701980199020001951: Nov 21952: Nov 101953: Nov 91954: Nov 51955: Nov 31956: Nov 91957: Oct 261958: Nov 181959: Oct 181960: Nov 101961: Nov 31962: Nov 201963: Nov 21964: Nov 201965: Nov 291966: Nov 21967: Nov 41968: Nov 91969: Nov 151970: Nov 51971: Nov 71972: Nov 161973: Nov 281974: Nov 151975: Nov 131976: Oct 201978: Nov 171979: Nov 11980: Oct 291981: Nov 101982: Nov 41983: Nov 111984: Nov 211985: Nov 201986: Nov 111987: Nov 101988: Nov 171989: Oct 191990: Oct 221991: Oct 61993: Oct 301994: Nov 281996: Nov 241997: Oct 271998: Nov 61999: Nov 32000: Oct 92001: Nov 202002: Nov 262003: Nov 242004: Nov 252005: Oct 25

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
2005no dataOct 25no dataNov 16
2004no dataNov 25no dataDec 5
2003no dataNov 24no dataNov 24
2002Mar 27Nov 26Mar 23Nov 27
2001Mar 16Nov 20Feb 28Nov 20
2000Apr 5Oct 9Mar 11Nov 13
1999Mar 16Nov 3Mar 15Nov 25
1998Mar 22Nov 6Mar 21Dec 9
1997Apr 14Oct 27Apr 14Nov 11
1996Mar 27Nov 24Mar 27Nov 25
1994Apr 7Nov 28Mar 12Nov 28
1993Apr 3Oct 30Mar 15Oct 30
1992Apr 4no dataMar 12no data
1991Mar 15Oct 6Mar 9Nov 2
1990Apr 8Oct 22Feb 18Nov 29
1989Apr 12Oct 19Apr 12Oct 20
1988Apr 20Nov 17Mar 31Nov 21
1987Apr 5Nov 10Apr 4Nov 11
1986Mar 22Nov 11Mar 21Nov 11
1985Mar 31Nov 20Feb 16Nov 20
1984Mar 20Nov 21Mar 9Nov 21
1983Apr 16Nov 11Mar 28Nov 24
1982Mar 26Nov 4Mar 8Nov 13
1981Mar 19Nov 10Feb 14Nov 20
1980no dataOct 29no dataNov 19
1979Mar 25Nov 1Mar 7Nov 10
1978Mar 10Nov 17Mar 9Nov 28
1977Mar 22no dataMar 1no data
1976Mar 17Oct 20Feb 23Nov 8
1975Apr 4Nov 13Apr 4Nov 14
1974Mar 26Nov 15Mar 25Nov 25
1973Apr 11Nov 28Feb 17Dec 6
1972Apr 1Nov 16Mar 3Nov 16
1971Apr 7Nov 7Apr 7Dec 13
1970Apr 5Nov 5Apr 2Nov 15
1969Mar 26Nov 15Mar 14Nov 19
1968Apr 5Nov 9Mar 23Nov 9
1967Mar 9Nov 4Mar 9Nov 4
1966Mar 25Nov 2Mar 7Nov 2
1965Mar 27Nov 29Mar 27Dec 7
1964Mar 30Nov 20Mar 26Nov 21
1963no dataNov 2no dataNov 23
1962Apr 2Nov 20Mar 16Dec 11
1961Mar 9Nov 3Mar 1Dec 11
1960Mar 19Nov 10Mar 18Nov 10
1959Apr 13Oct 18Mar 7Nov 6
1958Mar 19Nov 18Mar 15Nov 29
1957no dataOct 26no dataOct 26
1956Mar 17Nov 9Mar 17Nov 9
1955Mar 29Nov 3Mar 29Nov 3
1954Apr 2Nov 5Apr 2Nov 29
1953Mar 5Nov 9Feb 23Nov 22
1952Apr 11Nov 10Mar 24Nov 26
1951Apr 14Nov 2Mar 20Nov 3

"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.