Last Frost Day

Frost history / Manchester 4 W, KY

Manchester 4 W, KY: frost dates by year

Last spring and first fall frost at NOAA station USC00155111, 1951 to 2006, measured from daily minimum temperatures.

Elevation 870 ft, 37.150, -83.817. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 1Oct 14
EarliestApr 6 (2002)Sep 23 (1999)
LatestJun 5 (1988)Nov 4 (1971)
Trendlittle change (less than half a day per decade)1.0 days earlier per decade
Years with data4749

At 28°F (hard freeze) the median last spring date is Apr 12 and the median first fall date is Oct 23.

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 14196019701980199020001951: Apr 181952: Apr 171953: Apr 221954: May 101955: Apr 91956: Apr 251957: May 71958: Apr 141959: May 171960: May 21961: May 281962: Apr 241963: May 21964: Apr 111965: Apr 171966: Jun 11967: Apr 291968: May 71969: May 11970: May 71971: May 41972: Apr 271973: May 181974: May 81975: Apr 211976: May 41977: May 111978: May 31980: May 101981: Apr 211982: Apr 231985: Apr 111986: May 51987: May 81988: Jun 51989: May 131991: Apr 251993: Apr 281994: Apr 231995: Apr 291996: May 141997: May 141998: Apr 121999: May 22001: Apr 262002: Apr 62006: Apr 10

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 11196019701980199020001951: Nov 21952: Oct 31953: Oct 81954: Oct 191955: Oct 171956: Oct 111957: Oct 191958: Oct 121959: Oct 191960: Oct 211961: Oct 261962: Oct 241963: Sep 251964: Oct 71965: Oct 51966: Oct 211967: Sep 301968: Oct 51969: Oct 181970: Oct 171971: Nov 41972: Oct 201973: Oct 171974: Oct 31975: Oct 311976: Oct 101977: Oct 151978: Oct 91979: Oct 141980: Oct 131981: Oct 31982: Oct 171986: Oct 151987: Oct 11989: Sep 241991: Sep 271992: Oct 121993: Sep 301994: Oct 101995: Oct 151996: Oct 121997: Oct 221998: Oct 231999: Sep 232000: Oct 32001: Oct 172002: Nov 22005: Oct 162006: Oct 12

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
2006Apr 10Oct 12Apr 10Oct 12
2005no dataOct 16no dataOct 28
2002Apr 6Nov 2Mar 22Nov 2
2001Apr 26Oct 17Mar 28Oct 17
2000no dataOct 3no dataOct 8
1999May 2Sep 23May 2Oct 21
1998Apr 12Oct 23Apr 12Oct 23
1997May 14Oct 22Apr 18Oct 23
1996May 14Oct 12Apr 17Oct 19
1995Apr 29Oct 15Apr 14Oct 16
1994Apr 23Oct 10Apr 8Oct 26
1993Apr 28Sep 30Apr 22Sep 30
1992no dataOct 12no dataOct 19
1991Apr 25Sep 27Apr 2Oct 7
1989May 13Sep 24May 13Sep 24
1988Jun 5no dataMay 3no data
1987May 8Oct 1Apr 29Oct 4
1986May 5Oct 15May 4Oct 19
1985Apr 11no dataApr 11no data
1982Apr 23Oct 17Apr 23Oct 23
1981Apr 21Oct 3Apr 7Oct 20
1980May 10Oct 13Apr 17Oct 13
1979no dataOct 14no dataNov 4
1978May 3Oct 9Mar 30Dec 1
1977May 11Oct 15Apr 9Nov 12
1976May 4Oct 10Apr 28Oct 10
1975Apr 21Oct 31Apr 13Oct 31
1974May 8Oct 3Apr 10Oct 3
1973May 18Oct 17Apr 14Nov 6
1972Apr 27Oct 20Apr 9Oct 20
1971May 4Nov 4May 4Nov 4
1970May 7Oct 17Apr 8Nov 17
1969May 1Oct 18Apr 7Oct 18
1968May 7Oct 5Apr 12Oct 26
1967Apr 29Sep 30Apr 4Oct 20
1966Jun 1Oct 21Apr 10Oct 28
1965Apr 17Oct 5Apr 3Oct 25
1964Apr 11Oct 7Apr 10Oct 11
1963May 2Sep 25May 2Oct 30
1962Apr 24Oct 24Apr 21Oct 24
1961May 28Oct 26May 27Oct 27
1960May 2Oct 21Apr 19Oct 25
1959May 17Oct 19Mar 29Oct 19
1958Apr 14Oct 12Apr 8Oct 30
1957May 7Oct 19May 5Oct 28
1956Apr 25Oct 11Apr 25Nov 10
1955Apr 9Oct 17Apr 8Oct 25
1954May 10Oct 19Apr 2Oct 22
1953Apr 22Oct 8Apr 21Oct 8
1952Apr 17Oct 3Apr 8Oct 17
1951Apr 18Nov 2Apr 18Nov 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.