Last Frost Day

Frost history / Samburg Wr, TN

Samburg Wr, TN: frost dates by year

Last spring and first fall frost at NOAA station USC00408065, 1951 to 2013, measured from daily minimum temperatures.

Elevation 310 ft, 36.453, -89.303. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 7Oct 26
EarliestMar 3 (2012)Oct 3 (1981)
LatestApr 25 (2013)Nov 14 (1975)
Trend0.6 days earlier per decadelittle change (less than half a day per decade)
Years with data5042

At 28°F (hard freeze) the median last spring date is Mar 25 and the median first fall date is Nov 7.

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: Apr 171952: Apr 71953: Mar 261954: Apr 11955: Mar 301956: Apr 191957: Apr 141958: Apr 81959: Apr 141961: Apr 71962: Apr 161963: Mar 231964: Apr 91965: Mar 271966: Apr 101967: Mar 221968: Apr 61969: Mar 311970: Mar 271971: Apr 71972: Apr 91973: Apr 131974: Apr 91975: Apr 121976: Mar 171977: Mar 231978: Mar 191979: Mar 261980: Mar 271981: Mar 251982: Apr 101983: Apr 211985: Apr 91986: Apr 231987: Apr 61988: Apr 181989: Apr 151996: Apr 111998: Mar 222000: Apr 102001: Apr 182002: Apr 72003: Mar 312004: Apr 52005: Mar 212006: Mar 272008: Apr 152011: Mar 252012: Mar 32013: Apr 25

First fall frost (32°F)

Sep 27Oct 12Oct 27Nov 11Nov 261960197019801990200020101952: Oct 71953: Oct 301955: Oct 251956: Nov 91957: Oct 281958: Oct 271959: Oct 281960: Oct 211961: Oct 261962: Oct 241963: Oct 301964: Oct 101965: Oct 251966: Oct 261967: Oct 281968: Oct 261969: Oct 281970: Nov 61971: Nov 41972: Oct 201973: Nov 61974: Oct 211975: Nov 141976: Oct 181977: Oct 131978: Oct 151979: Oct 141980: Oct 261981: Oct 31982: Oct 221984: Nov 41985: Nov 61986: Nov 121987: Oct 51988: Oct 131989: Nov 11998: Nov 62002: Nov 22005: Oct 262010: Oct 202011: Oct 292012: Nov 1

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
2013Apr 25no dataMar 28no data
2012Mar 3Nov 1Feb 21Nov 8
2011Mar 25Oct 29Mar 11Nov 11
2010no dataOct 20no dataNov 6
2008Apr 15no dataMar 10no data
2006Mar 27no dataMar 26no data
2005Mar 21Oct 26Mar 17Nov 17
2004Apr 5no dataMar 10no data
2003Mar 31no dataMar 31no data
2002Apr 7Nov 2Mar 27Nov 17
2001Apr 18no dataMar 28no data
2000Apr 10no dataApr 10no data
1998Mar 22Nov 6Mar 13Nov 6
1996Apr 11no dataApr 10no data
1989Apr 15Nov 1Apr 11Nov 3
1988Apr 18Oct 13Mar 17Nov 17
1987Apr 6Oct 5Apr 5Oct 12
1986Apr 23Nov 12Mar 24Nov 13
1985Apr 9Nov 6Feb 28Nov 21
1984no dataNov 4no dataNov 13
1983Apr 21no dataApr 20no data
1982Apr 10Oct 22Apr 10Oct 26
1981Mar 25Oct 3Mar 12Oct 24
1980Mar 27Oct 26Mar 22Oct 30
1979Mar 26Oct 14Mar 26Nov 7
1978Mar 19Oct 15Mar 18Dec 4
1977Mar 23Oct 13Mar 7Nov 12
1976Mar 17Oct 18Mar 17Oct 28
1975Apr 12Nov 14Mar 26Nov 14
1974Apr 9Oct 21Mar 25Oct 21
1973Apr 13Nov 6Apr 11Nov 10
1972Apr 9Oct 20Mar 30Nov 16
1971Apr 7Nov 4Mar 27Nov 7
1970Mar 27Nov 6Mar 27Nov 16
1969Mar 31Oct 28Mar 31Nov 5
1968Apr 6Oct 26Mar 24Nov 10
1967Mar 22Oct 28Mar 18Nov 5
1966Apr 10Oct 26Apr 10Nov 3
1965Mar 27Oct 25Mar 27Nov 30
1964Apr 9Oct 10Mar 31Nov 20
1963Mar 23Oct 30Mar 22Nov 2
1962Apr 16Oct 24Apr 3Dec 6
1961Apr 7Oct 26Mar 10Oct 27
1960no dataOct 21no dataOct 21
1959Apr 14Oct 28Mar 18Nov 7
1958Apr 8Oct 27Mar 16Nov 7
1957Apr 14Oct 28Mar 8Oct 28
1956Apr 19Nov 9Mar 25Nov 9
1955Mar 30Oct 25Mar 29Nov 4
1954Apr 1no dataApr 1no data
1953Mar 26Oct 30Mar 5Nov 8
1952Apr 7Oct 7Mar 6Oct 21
1951Apr 17no dataMar 20no data

"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.