Last Frost Day

Frost history / W Liberty 3NW, KY

W Liberty 3NW, KY: frost dates by year

Last spring and first fall frost at NOAA station USC00158551, 1952 to 2014, measured from daily minimum temperatures.

Elevation 780 ft, 37.941, -83.302. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 2Oct 11
EarliestApr 7 (2011)Sep 14 (1964)
LatestMay 28 (1999)Nov 4 (1971)
Trend1.0 days earlier per decade1.4 days later per decade
Years with data4146

At 28°F (hard freeze) the median last spring date is Apr 15 and the median first fall date is Oct 21.

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 31Apr 15Apr 30May 15May 30Jun 141960197019801990200020101952: Apr 181953: Apr 221956: Apr 251957: May 61958: Apr 141959: Apr 241960: May 21961: May 271963: May 231964: Apr 161965: Apr 181966: May 111969: May 21970: May 81971: May 51972: Apr 271973: May 191974: May 71976: May 201977: May 111978: Apr 151980: May 111981: May 91983: May 111984: May 181985: May 41986: May 51987: Apr 301988: May 21990: Apr 201993: Apr 291999: May 282006: Apr 112007: Apr 182008: May 12009: Apr 182010: Apr 292011: Apr 72012: Apr 252013: May 152014: Apr 18

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 111960197019801990200020101952: Oct 81953: Sep 231956: Oct 111957: Oct 121958: Oct 21959: Oct 191960: Oct 211963: Sep 241964: Sep 141965: Oct 51966: Oct 71967: Oct 131968: Oct 51969: Oct 151970: Oct 171971: Nov 41972: Oct 101973: Oct 171974: Oct 21975: Oct 31976: Oct 181977: Oct 151980: Oct 61981: Oct 31982: Oct 171983: Sep 221984: Oct 31985: Oct 71986: Oct 151987: Oct 41989: Oct 91990: Oct 161993: Sep 301994: Oct 41998: Sep 291999: Sep 272005: Oct 272006: Oct 132007: Oct 292008: Oct 192009: Oct 182010: Oct 162011: Oct 222012: Oct 112013: Oct 212014: Oct 5

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
2014Apr 18Oct 5Apr 18Nov 2
2013May 15Oct 21Apr 7Oct 26
2012Apr 25Oct 11Apr 25Nov 3
2011Apr 7Oct 22Apr 7Oct 30
2010Apr 29Oct 16Apr 11Oct 22
2009Apr 18Oct 18Apr 9Oct 19
2008May 1Oct 19Apr 17Oct 19
2007Apr 18Oct 29Apr 11Oct 29
2006Apr 11Oct 13Apr 11Oct 13
2005no dataOct 27no dataOct 29
1999May 28Sep 27Apr 30Oct 15
1998no dataSep 29no dataOct 28
1994no dataOct 4no dataOct 4
1993Apr 29Sep 30Apr 29Oct 1
1990Apr 20Oct 16Apr 20Oct 20
1989no dataOct 9no dataNov 4
1988May 2no dataApr 30no data
1987Apr 30Oct 4Apr 11Oct 14
1986May 5Oct 15May 4Oct 19
1985May 4Oct 7Apr 11Nov 8
1984May 18Oct 3Apr 3Nov 3
1983May 11Sep 22Apr 25Nov 6
1982no dataOct 17no dataOct 22
1981May 9Oct 3Apr 8Oct 20
1980May 11Oct 6Apr 18Oct 26
1978Apr 15no dataMar 19no data
1977May 11Oct 15Apr 10Nov 12
1976May 20Oct 18Apr 29Oct 18
1975no dataOct 3no dataOct 31
1974May 7Oct 2Apr 25Oct 3
1973May 19Oct 17Apr 15Nov 6
1972Apr 27Oct 10Apr 10Oct 20
1971May 5Nov 4May 5Nov 5
1970May 8Oct 17Apr 12Oct 18
1969May 2Oct 15Apr 8Oct 18
1968no dataOct 5no dataOct 27
1967no dataOct 13no dataOct 20
1966May 11Oct 7May 10Oct 21
1965Apr 18Oct 5Apr 4Oct 25
1964Apr 16Sep 14Apr 11Oct 7
1963May 23Sep 24May 2Oct 30
1961May 27no dataApr 20no data
1960May 2Oct 21Apr 11Oct 21
1959Apr 24Oct 19Apr 15Oct 19
1958Apr 14Oct 2Apr 13Oct 12
1957May 6Oct 12Apr 15Oct 20
1956Apr 25Oct 11Apr 25Nov 11
1953Apr 22Sep 23Apr 20Oct 7
1952Apr 18Oct 8Mar 28Oct 8

"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.