Last Frost Day

Frost history / Bristol Tri City Ap, TN

Bristol Tri City Ap, TN: frost dates by year

Last spring and first fall frost at NOAA station USW00013877, 1951 to 2024, measured from daily minimum temperatures.

Elevation 1,500 ft, 36.473, -82.404. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 16Oct 21
EarliestMar 27 (1978)Oct 1 (1993)
LatestMay 22 (2002)Nov 13 (1986)
Trendlittle change (less than half a day per decade)little change (less than half a day per decade)
Years with data7474

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 3019601970198019902000201020201951: Apr 181952: Apr 171953: Apr 211954: Apr 21955: Apr 81956: Apr 211957: Apr 151958: Apr 131959: Apr 141960: Apr 111961: Apr 201962: Apr 211963: May 21964: Apr 111965: Apr 31966: May 101967: Apr 291968: Apr 161969: Apr 301970: Apr 81971: May 41972: Apr 271973: Apr 141974: Apr 101975: Apr 131976: Apr 281977: Apr 91978: Mar 271979: Apr 71980: Apr 171981: Apr 71982: Apr 241983: Apr 221984: Apr 191985: Apr 101986: May 41987: Apr 101988: Apr 201989: May 81990: Apr 181991: Apr 21992: Apr 61993: Apr 231994: Apr 81995: Apr 51996: May 11997: May 161998: Apr 121999: Apr 132000: Apr 272001: Apr 192002: May 222003: Apr 12004: Apr 282005: May 32006: Apr 102007: Apr 132008: Apr 302009: Apr 122010: Apr 102011: Apr 62012: Apr 132013: Apr 62014: Apr 172015: Apr 242016: Apr 132017: Apr 92018: Apr 302019: Apr 32020: May 102021: Apr 232022: Apr 202023: Apr 102024: Apr 22

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 11Nov 2619601970198019902000201020201951: Oct 121952: Oct 191953: Oct 311954: Oct 201955: Oct 251956: Nov 91957: Oct 201958: Oct 291959: Nov 31960: Oct 211961: Oct 271962: Oct 241963: Oct 311964: Oct 111965: Oct 251966: Oct 311967: Oct 201968: Oct 51969: Oct 181970: Oct 171971: Nov 51972: Oct 191973: Oct 181974: Oct 21975: Oct 311976: Oct 181977: Oct 151978: Oct 91979: Oct 131980: Oct 131981: Oct 201982: Oct 271983: Nov 51984: Nov 61985: Nov 81986: Nov 131987: Oct 41988: Oct 131989: Oct 211990: Oct 271991: Oct 81992: Oct 191993: Oct 11994: Oct 271995: Oct 171996: Oct 121997: Oct 221998: Oct 221999: Oct 242000: Oct 82001: Oct 82002: Nov 22003: Oct 32004: Oct 172005: Oct 262006: Oct 132007: Oct 292008: Oct 192009: Oct 182010: Oct 302011: Oct 222012: Nov 32013: Oct 242014: Oct 52015: Oct 182016: Nov 72017: Oct 262018: Oct 222019: Nov 12020: Oct 312021: Oct 272022: Oct 182023: Nov 12024: Oct 17

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
2024Apr 22Oct 17Mar 24Nov 29
2023Apr 10Nov 1Mar 21Nov 1
2022Apr 20Oct 18Apr 10Oct 20
2021Apr 23Oct 27Apr 22Nov 14
2020May 10Oct 31Mar 8Nov 3
2019Apr 3Nov 1Apr 1Nov 8
2018Apr 30Oct 22Apr 8Nov 10
2017Apr 9Oct 26Mar 20Nov 15
2016Apr 13Nov 7Apr 10Nov 11
2015Apr 24Oct 18Apr 5Nov 14
2014Apr 17Oct 5Apr 16Nov 3
2013Apr 6Oct 24Apr 3Oct 25
2012Apr 13Nov 3Apr 12Nov 9
2011Apr 6Oct 22Mar 12Oct 30
2010Apr 10Oct 30Mar 27Nov 6
2009Apr 12Oct 18Mar 22Nov 6
2008Apr 30Oct 19Apr 16Oct 22
2007Apr 13Oct 29Apr 10Oct 30
2006Apr 10Oct 13Mar 27Oct 14
2005May 3Oct 26Mar 19Oct 27
2004Apr 28Oct 17Apr 6Nov 15
2003Apr 1Oct 3Mar 31Nov 14
2002May 22Nov 2Apr 7Nov 2
2001Apr 19Oct 8Apr 19Oct 18
2000Apr 27Oct 8Mar 18Oct 8
1999Apr 13Oct 24Mar 28Oct 25
1998Apr 12Oct 22Mar 23Oct 23
1997May 16Oct 22Apr 15Oct 23
1996May 1Oct 12Apr 11Nov 3
1995Apr 5Oct 17Mar 11Oct 22
1994Apr 8Oct 27Apr 8Nov 23
1993Apr 23Oct 1Mar 19Oct 29
1992Apr 6Oct 19Apr 3Oct 20
1991Apr 2Oct 8Mar 31Nov 3
1990Apr 18Oct 27Apr 13Nov 18
1989May 8Oct 21Apr 12Nov 4
1988Apr 20Oct 13Apr 20Oct 13
1987Apr 10Oct 4Apr 4Oct 22
1986May 4Nov 13Apr 24Nov 13
1985Apr 10Nov 8Apr 10Dec 2
1984Apr 19Nov 6Mar 24Nov 7
1983Apr 22Nov 5Apr 21Nov 14
1982Apr 24Oct 27Apr 7Nov 5
1981Apr 7Oct 20Mar 25Oct 20
1980Apr 17Oct 13Apr 6Nov 6
1979Apr 7Oct 13Apr 7Oct 14
1978Mar 27Oct 9Mar 19Dec 1
1977Apr 9Oct 15Apr 7Nov 12
1976Apr 28Oct 18Apr 13Oct 23
1975Apr 13Oct 31Apr 13Nov 15
1974Apr 10Oct 2Apr 10Oct 3
1973Apr 14Oct 18Apr 14Nov 6
1972Apr 27Oct 19Apr 9Oct 20
1971May 4Nov 5Apr 3Nov 5
1970Apr 8Oct 17Mar 17Oct 18
1969Apr 30Oct 18Apr 1Oct 18
1968Apr 16Oct 5Mar 25Oct 30
1967Apr 29Oct 20Mar 23Oct 29
1966May 10Oct 31Apr 10Nov 3
1965Apr 3Oct 25Apr 3Oct 30
1964Apr 11Oct 11Apr 10Nov 21
1963May 2Oct 31Mar 23Nov 3
1962Apr 21Oct 24Apr 21Oct 26
1961Apr 20Oct 27Mar 10Oct 27
1960Apr 11Oct 21Apr 11Nov 7
1959Apr 14Nov 3Mar 28Nov 7
1958Apr 13Oct 29Mar 23Nov 8
1957Apr 15Oct 20Apr 15Oct 29
1956Apr 21Nov 9Apr 21Nov 13
1955Apr 8Oct 25Mar 30Nov 5
1954Apr 2Oct 20Mar 22Oct 30
1953Apr 21Oct 31Mar 30Nov 6
1952Apr 17Oct 19Mar 29Oct 21
1951Apr 18Oct 12Mar 27Nov 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.