Last Frost Day

Frost history / Glasgow, KY

Glasgow, KY: frost dates by year

Last spring and first fall frost at NOAA station USC00153246, 1953 to 2007, measured from daily minimum temperatures.

Elevation 770 ft, 37.001, -85.907. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 14Oct 21
EarliestMar 22 (1967)Oct 3 (1974)
LatestMay 10 (1966)Nov 14 (1975)
Trend2.3 days earlier per decade0.8 days earlier per decade
Years with data4847

At 28°F (hard freeze) the median last spring date is Apr 6 and the median first fall date is Oct 27.

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 15196019701980199020001954: May 41955: Apr 81956: Apr 211957: Apr 151958: Apr 121959: Apr 231960: Apr 181961: Apr 291962: Apr 171963: May 21964: Apr 101965: Apr 11966: May 101967: Mar 221968: Mar 251969: Apr 201970: Apr 71971: May 41972: Apr 91973: Apr 141974: Apr 251975: Apr 161976: May 41977: Apr 71978: Apr 221979: Apr 291980: Apr 161981: Apr 61982: Apr 231983: Apr 211984: Apr 71985: Apr 101986: Apr 231987: Apr 41988: Apr 201989: Apr 131990: Apr 181991: Apr 111994: Apr 71995: Apr 61996: Apr 101997: Apr 181998: Apr 111999: Mar 282000: Apr 92002: Apr 72003: Mar 312007: Apr 13

First fall frost (32°F)

Sep 27Oct 12Oct 27Nov 11Nov 26196019701980199020001953: Oct 301954: Oct 301955: Oct 251956: Nov 91957: Oct 201958: Oct 291959: Oct 281960: Oct 211961: Oct 151962: Oct 241963: Oct 301964: Oct 61965: Oct 251966: Oct 211967: Oct 111968: Oct 51969: Oct 181970: Oct 171971: Nov 41972: Oct 201973: Oct 171974: Oct 31975: Nov 141976: Oct 181977: Oct 121978: Oct 81980: Oct 61981: Oct 201982: Oct 211983: Nov 51985: Nov 81986: Nov 121987: Oct 41988: Oct 121989: Nov 11990: Oct 191991: Oct 71995: Oct 251996: Oct 191997: Oct 221998: Oct 231999: Oct 212000: Oct 82001: Oct 172002: Nov 22003: Oct 32007: Nov 3

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
2007Apr 13Nov 3Apr 10Nov 7
2003Mar 31Oct 3Mar 31Nov 14
2002Apr 7Nov 2Mar 28Nov 2
2001no dataOct 17no dataOct 27
2000Apr 9Oct 8Apr 9Oct 8
1999Mar 28Oct 21Mar 27Oct 25
1998Apr 11Oct 23Mar 23Oct 23
1997Apr 18Oct 22Apr 14Oct 23
1996Apr 10Oct 19Apr 10Nov 2
1995Apr 6Oct 25Apr 6Nov 4
1994Apr 7no dataApr 1no data
1991Apr 11Oct 7Mar 31Oct 17
1990Apr 18Oct 19Apr 12Oct 29
1989Apr 13Nov 1Apr 12Nov 3
1988Apr 20Oct 12Apr 16Oct 27
1987Apr 4Oct 4Apr 4Oct 22
1986Apr 23Nov 12Apr 23Nov 13
1985Apr 10Nov 8Apr 10Nov 8
1984Apr 7no dataApr 1no data
1983Apr 21Nov 5Apr 21Nov 5
1982Apr 23Oct 21Apr 10Oct 24
1981Apr 6Oct 20Mar 24Oct 24
1980Apr 16Oct 6Mar 22Oct 26
1979Apr 29no dataMar 26no data
1978Apr 22Oct 8Mar 18Oct 15
1977Apr 7Oct 12Mar 23Oct 17
1976May 4Oct 18Mar 17Oct 18
1975Apr 16Nov 14Apr 5Nov 14
1974Apr 25Oct 3Mar 25Oct 21
1973Apr 14Oct 17Apr 13Nov 6
1972Apr 9Oct 20Apr 9Oct 20
1971May 4Nov 4Mar 30Nov 4
1970Apr 7Oct 17Mar 28Nov 16
1969Apr 20Oct 18Mar 31Nov 14
1968Mar 25Oct 5Mar 25Oct 26
1967Mar 22Oct 11Mar 22Oct 11
1966May 10Oct 21Apr 10Nov 2
1965Apr 1Oct 25Mar 21Oct 25
1964Apr 10Oct 6Apr 10Oct 20
1963May 2Oct 30May 1Oct 30
1962Apr 17Oct 24Apr 16Oct 24
1961Apr 29Oct 15Apr 11Oct 27
1960Apr 18Oct 21Apr 11Oct 25
1959Apr 23Oct 28Apr 14Nov 6
1958Apr 12Oct 29Apr 8Nov 7
1957Apr 15Oct 20Apr 14Oct 27
1956Apr 21Nov 9Apr 21Nov 9
1955Apr 8Oct 25Mar 30Oct 25
1954May 4Oct 30Apr 1Oct 30
1953no dataOct 30no dataNov 6

"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.