Last Frost Day

Frost history / Bridgeport, TX

Bridgeport, TX: frost dates by year

Last spring and first fall frost at NOAA station USC00411063, 1951 to 2016, measured from daily minimum temperatures.

Elevation 769 ft, 33.206, -97.776. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMar 29Nov 6
EarliestFeb 25 (2012)Oct 8 (1952)
LatestApr 18 (1999)Dec 5 (1973)
Trend0.7 days later per decadelittle change (less than half a day per decade)
Years with data5457

At 28°F (hard freeze) the median last spring date is Mar 13 and the median first fall date is Nov 15.

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 301960197019801990200020101951: Mar 301952: Mar 281953: Mar 51954: Apr 21955: Mar 291956: Mar 171957: Apr 141958: Mar 201959: Apr 151960: Mar 191961: Mar 11962: Apr 21963: Mar 81964: Mar 271965: Mar 271966: Mar 241967: Mar 91968: Mar 231969: Mar 261970: Apr 51971: Apr 71972: Mar 31973: Apr 111974: Apr 51975: Apr 41976: Apr 11977: Mar 221978: Mar 181979: Mar 61980: Mar 211981: Mar 191982: Apr 111983: Apr 151984: Apr 51986: Mar 211987: Apr 31989: Apr 111990: Apr 71992: Apr 31993: Apr 21994: Apr 71995: Mar 101996: Apr 11997: Apr 141998: Mar 221999: Apr 182000: Apr 42001: Mar 202010: Mar 232011: Apr 62012: Feb 252013: Mar 262014: Apr 162015: Mar 8

First fall frost (32°F)

Sep 27Oct 12Oct 27Nov 11Nov 26Dec 111960197019801990200020101951: Nov 21952: Oct 81953: Nov 91954: Nov 51955: Nov 31956: Nov 91957: Oct 261958: Nov 71959: Nov 61960: Nov 101961: Nov 171962: Nov 41963: Nov 21964: Nov 201965: Nov 291966: Nov 21967: Nov 41968: Nov 91969: Nov 151970: Nov 31971: Nov 71972: Nov 161973: Dec 51974: Nov 151975: Nov 131976: Oct 201977: Oct 121978: Nov 81979: Nov 71980: Oct 301981: Oct 241982: Nov 41984: Nov 61985: Nov 161986: Nov 111988: Nov 171989: Oct 201990: Oct 221991: Nov 11992: Nov 51993: Oct 301994: Nov 281995: Oct 241996: Nov 241997: Oct 271998: Nov 61999: Nov 32000: Nov 102001: Nov 202008: Oct 282009: Nov 182010: Nov 62011: Nov 42012: Oct 282013: Nov 132014: Nov 12016: 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
2016no dataNov 20no dataNov 20
2015Mar 8no dataMar 8no data
2014Apr 16Nov 1Apr 15Nov 12
2013Mar 26Nov 13Mar 26Nov 13
2012Feb 25Oct 28Feb 25Oct 28
2011Apr 6Nov 4Mar 6Nov 4
2010Mar 23Nov 6Feb 27Nov 26
2009no dataNov 18no dataNov 26
2008no dataOct 28no dataNov 16
2001Mar 20Nov 20Feb 18Nov 20
2000Apr 4Nov 10Feb 6Nov 14
1999Apr 18Nov 3Mar 15Nov 3
1998Mar 22Nov 6Mar 12Dec 9
1997Apr 14Oct 27Apr 13Nov 11
1996Apr 1Nov 24Mar 25Nov 25
1995Mar 10Oct 24Mar 9Nov 29
1994Apr 7Nov 28Mar 10Nov 28
1993Apr 2Oct 30Mar 14Oct 31
1992Apr 3Nov 5Mar 11Nov 5
1991no dataNov 1no dataNov 2
1990Apr 7Oct 22Feb 17Nov 30
1989Apr 11Oct 20Apr 11Oct 20
1988no dataNov 17no dataNov 17
1987Apr 3no dataApr 3no data
1986Mar 21Nov 11Mar 1Nov 13
1985no dataNov 16no dataNov 28
1984Apr 5Nov 6Mar 29Nov 21
1983Apr 15no dataApr 15no data
1982Apr 11Nov 4Mar 8Nov 4
1981Mar 19Oct 24Feb 14Nov 11
1980Mar 21Oct 30Mar 19Nov 19
1979Mar 6Nov 7Mar 6Nov 13
1978Mar 18Nov 8Mar 6Nov 18
1977Mar 22Oct 12Feb 28Nov 10
1976Apr 1Oct 20Feb 22Oct 20
1975Apr 4Nov 13Apr 4Nov 21
1974Apr 5Nov 15Mar 25Nov 15
1973Apr 11Dec 5Apr 10Dec 6
1972Mar 3Nov 16Mar 3Nov 16
1971Apr 7Nov 7Apr 7Dec 11
1970Apr 5Nov 3Mar 13Nov 15
1969Mar 26Nov 15Mar 13Nov 15
1968Mar 23Nov 9Mar 23Nov 9
1967Mar 9Nov 4Mar 9Nov 4
1966Mar 24Nov 2Mar 6Nov 2
1965Mar 27Nov 29Mar 27Dec 25
1964Mar 27Nov 20Mar 26Nov 21
1963Mar 8Nov 2Mar 7Dec 9
1962Apr 2Nov 4Mar 16Dec 10
1961Mar 1Nov 17Feb 28Dec 11
1960Mar 19Nov 10Mar 18Nov 10
1959Apr 15Nov 6Mar 22Nov 6
1958Mar 20Nov 7Mar 14Nov 29
1957Apr 14Oct 26Mar 9Dec 11
1956Mar 17Nov 9Mar 16Nov 9
1955Mar 29Nov 3Mar 29Nov 9
1954Apr 2Nov 5Mar 16Nov 29
1953Mar 5Nov 9Feb 23Dec 13
1952Mar 28Oct 8Mar 23Oct 29
1951Mar 30Nov 2Mar 19Nov 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.