Last Frost Day

Frost history / Quanah 2 Sw, TX

Quanah 2 Sw, TX: frost dates by year

Last spring and first fall frost at NOAA station USC00417336, 1951 to 2007, measured from daily minimum temperatures.

Elevation 1,602 ft, 34.276, -99.758. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 5Oct 31
EarliestFeb 28 (2004)Sep 30 (1984)
LatestMay 1 (1960)Dec 8 (1998)
Trend1.7 days earlier per decade0.8 days later per decade
Years with data5350

At 28°F (hard freeze) the median last spring date is Mar 22 and the median first fall date is Nov 10.

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 30May 15196019701980199020001951: Apr 131952: Apr 101953: Mar 61954: Apr 11955: Mar 291956: Apr 111957: Apr 141958: Apr 111959: Apr 221960: May 11961: Apr 171962: Apr 21963: Mar 221964: Apr 91965: Mar 281966: Apr 61967: Mar 161968: Apr 51969: Mar 261970: Apr 51971: Apr 71972: Apr 11973: Apr 101974: Apr 151976: Apr 11977: Apr 51978: Mar 251980: Apr 151981: Mar 231982: Mar 231983: Apr 151984: Apr 51985: Mar 311986: Mar 211987: Apr 61988: Apr 121989: Apr 121990: Mar 261991: Mar 311992: Mar 231993: Mar 231994: Apr 71995: Apr 111996: Apr 61997: Apr 131998: Mar 221999: Apr 172000: Apr 32001: Mar 202004: Feb 282005: Mar 242006: Mar 252007: Apr 8

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 11Nov 26Dec 11Dec 26196019701980199020001951: Nov 21952: Oct 81953: Nov 91954: Oct 301955: Oct 301956: Nov 91957: Oct 261958: Nov 11959: Oct 181960: Oct 201961: Nov 31962: Nov 121963: Nov 21964: Nov 131965: Nov 271966: Oct 161967: Oct 271968: Oct 181969: Nov 31970: Oct 281971: Nov 71972: Nov 141973: Nov 161975: Nov 121976: Oct 201977: Oct 121980: Oct 251981: Oct 261982: Oct 201984: Sep 301985: Nov 21986: Oct 131987: Nov 101988: Nov 161989: Oct 191990: Oct 221991: Oct 301993: Oct 301994: Nov 161996: Nov 111997: Oct 271998: Dec 81999: Nov 242000: Oct 92001: Oct 162003: Nov 222004: Nov 42005: Oct 242006: Nov 12007: Nov 6

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
2007Apr 8Nov 6Mar 6Nov 22
2006Mar 25Nov 1Mar 24Nov 2
2005Mar 24Oct 24Mar 17Oct 24
2004Feb 28Nov 4Feb 27Nov 30
2003no dataNov 22no dataNov 23
2001Mar 20Oct 16Mar 1Nov 20
2000Apr 3Oct 9Feb 19Oct 9
1999Apr 17Nov 24Feb 21Nov 24
1998Mar 22Dec 8Mar 21Dec 8
1997Apr 13Oct 27Apr 13Oct 27
1996Apr 6Nov 11Mar 26Nov 24
1995Apr 11no dataApr 11no data
1994Apr 7Nov 16Apr 6Nov 16
1993Mar 23Oct 30Mar 14Oct 30
1992Mar 23no dataMar 11no data
1991Mar 31Oct 30Mar 14Oct 31
1990Mar 26Oct 22Mar 25Nov 28
1989Apr 12Oct 19Mar 22Oct 19
1988Apr 12Nov 16Mar 19Nov 20
1987Apr 6Nov 10Apr 3Nov 10
1986Mar 21Oct 13Mar 21Nov 11
1985Mar 31Nov 2Feb 17Nov 20
1984Apr 5Sep 30Mar 9Nov 28
1983Apr 15no dataApr 15no data
1982Mar 23Oct 20Mar 7Nov 4
1981Mar 23Oct 26Mar 19Nov 10
1980Apr 15Oct 25Mar 18Oct 29
1978Mar 25no dataMar 17no data
1977Apr 5Oct 12Mar 22Nov 10
1976Apr 1Oct 20Apr 1Oct 20
1975no dataNov 12no dataNov 12
1974Apr 15no dataMar 25no data
1973Apr 10Nov 16Apr 10Nov 21
1972Apr 1Nov 14Apr 1Nov 16
1971Apr 7Nov 7Apr 7Nov 19
1970Apr 5Oct 28Apr 5Oct 28
1969Mar 26Nov 3Mar 21Nov 19
1968Apr 5Oct 18Apr 5Nov 9
1967Mar 16Oct 27Mar 16Nov 7
1966Apr 6Oct 16Mar 24Nov 2
1965Mar 28Nov 27Mar 28Nov 29
1964Apr 9Nov 13Apr 8Nov 21
1963Mar 22Nov 2Mar 14Nov 18
1962Apr 2Nov 12Mar 31Nov 20
1961Apr 17Nov 3Mar 9Nov 3
1960May 1Oct 20Apr 3Nov 10
1959Apr 22Oct 18Apr 13Nov 6
1958Apr 11Nov 1Mar 20Nov 18
1957Apr 14Oct 26Apr 14Oct 26
1956Apr 11Nov 9Mar 17Nov 9
1955Mar 29Oct 30Mar 28Nov 3
1954Apr 1Oct 30Apr 1Oct 31
1953Mar 6Nov 9Mar 4Nov 22
1952Apr 10Oct 8Apr 10Nov 10
1951Apr 13Nov 2Mar 21Nov 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.