Last Frost Day

Frost history / Spearman, TX

Spearman, TX: frost dates by year

Last spring and first fall frost at NOAA station USC00418523, 1951 to 2003, measured from daily minimum temperatures.

Elevation 3,095 ft, 36.198, -101.185. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 15Oct 23
EarliestMar 21 (1963)Sep 29 (1984)
LatestMay 14 (1953)Nov 20 (2001)
Trend2.6 days earlier per decade1.5 days later per decade
Years with data4949

At 28°F (hard freeze) the median last spring date is Apr 4 and the median first fall date is Nov 3.

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)

Mar 16Mar 31Apr 15Apr 30May 15May 30196019701980199020001951: Apr 161952: Apr 131953: May 141954: May 41955: Apr 71956: Apr 291957: Apr 151958: Apr 241959: Apr 231960: May 11963: Mar 211964: Apr 81965: Apr 281966: May 131967: May 21968: Apr 241969: Apr 281970: May 11971: Apr 141972: Apr 41973: Apr 271974: Apr 161975: Apr 191976: Apr 11977: Apr 41978: May 41979: Apr 131980: Apr 141981: Apr 11982: Apr 221983: Apr 151985: Apr 71986: Apr 141987: Apr 131988: Apr 231989: Apr 111990: Apr 71991: Mar 311992: Apr 31993: Apr 151994: Apr 301995: Apr 271996: Apr 291997: Apr 141998: Apr 181999: Apr 172001: Mar 272002: Apr 42003: Apr 9

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 11Nov 26196019701980199020001951: Oct 311952: Oct 71953: Oct 51954: Oct 271955: Oct 241956: Oct 211957: Oct 251958: Oct 281959: Oct 271960: Oct 201963: Nov 11964: Oct 191965: Nov 11966: Oct 151967: Oct 251968: Oct 241969: Oct 121970: Oct 81971: Oct 291972: Oct 201973: Oct 311974: Oct 151975: Oct 241976: Oct 81977: Oct 121978: Nov 71979: Oct 231980: Oct 241981: Oct 231982: Oct 211983: Nov 101984: Sep 291985: Sep 291986: Oct 121987: Nov 91988: Nov 101989: Oct 181990: Oct 181991: Oct 191992: Oct 81993: Oct 101994: Nov 51995: Oct 201996: Oct 181997: Oct 251998: Nov 81999: Nov 22000: Nov 72001: Nov 20

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
2003Apr 9no dataApr 8no data
2002Apr 4no dataApr 4no data
2001Mar 27Nov 20Mar 26Nov 20
2000no dataNov 7no dataNov 7
1999Apr 17Nov 2Mar 20Nov 24
1998Apr 18Nov 8Mar 21Dec 8
1997Apr 14Oct 25Apr 14Oct 25
1996Apr 29Oct 18Mar 28Nov 11
1995Apr 27Oct 20Apr 12Nov 2
1994Apr 30Nov 5Apr 6Nov 15
1993Apr 15Oct 10Mar 18Oct 27
1992Apr 3Oct 8Mar 23Nov 5
1991Mar 31Oct 19Mar 14Oct 29
1990Apr 7Oct 18Mar 26Nov 4
1989Apr 11Oct 18Apr 10Oct 18
1988Apr 23Nov 10Mar 19Nov 16
1987Apr 13Nov 9Apr 3Nov 9
1986Apr 14Oct 12Mar 19Nov 9
1985Apr 7Sep 29Mar 31Nov 10
1984no dataSep 29no dataOct 19
1983Apr 15Nov 10Apr 15Nov 10
1982Apr 22Oct 21Apr 6Nov 3
1981Apr 1Oct 23Mar 23Oct 26
1980Apr 14Oct 24Apr 13Oct 24
1979Apr 13Oct 23Apr 4Nov 1
1978May 4Nov 7Mar 16Nov 7
1977Apr 4Oct 12Apr 4Nov 9
1976Apr 1Oct 8Mar 30Oct 8
1975Apr 19Oct 24Apr 12Oct 25
1974Apr 16Oct 15Apr 5Nov 12
1973Apr 27Oct 31Apr 10Nov 3
1972Apr 4Oct 20Apr 1Oct 31
1971Apr 14Oct 29Apr 6Nov 3
1970May 1Oct 8Apr 5Oct 8
1969Apr 28Oct 12Mar 30Oct 13
1968Apr 24Oct 24Apr 24Nov 9
1967May 2Oct 25Mar 18Nov 3
1966May 13Oct 15Apr 21Oct 15
1965Apr 28Nov 1Mar 30Nov 14
1964Apr 8Oct 19Apr 8Oct 19
1963Mar 21Nov 1Mar 20Nov 18
1960May 1Oct 20Apr 4Oct 31
1959Apr 23Oct 27Apr 22Oct 27
1958Apr 24Oct 28Apr 7Nov 1
1957Apr 15Oct 25Apr 14Oct 26
1956Apr 29Oct 21Apr 10Nov 3
1955Apr 7Oct 24Mar 28Oct 24
1954May 4Oct 27May 3Oct 31
1953May 14Oct 5May 14Nov 8
1952Apr 13Oct 7Apr 11Oct 15
1951Apr 16Oct 31Apr 13Nov 1

"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.