Last Frost Day

Frost history / Crestwood 4NE, KY

Crestwood 4NE, KY: frost dates by year

Last spring and first fall frost at NOAA station USC00151900, 1996 to 2011, measured from daily minimum temperatures.

Elevation 780 ft, 38.364, -85.419. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 12Oct 20
EarliestMar 22 (2005)Oct 3 (2003)
LatestMay 16 (1997)Nov 1 (2002)
Trend15.0 days earlier per decade5.7 days later per decade
Years with data1615

At 28°F (hard freeze) the median last spring date is Mar 31 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 30200020101996: Apr 271997: May 161998: Apr 111999: Mar 282000: Apr 212001: Apr 182002: Apr 72003: Apr 232004: Apr 142005: Mar 222006: Apr 92007: Apr 172008: Apr 152009: Apr 82010: Mar 302011: Mar 31

First fall frost (32°F)

Sep 27Oct 12Oct 27Nov 11200020101996: Oct 181997: Oct 211998: Oct 221999: Oct 202000: Oct 72001: Oct 72002: Nov 12003: Oct 32004: Oct 172005: Oct 262006: Oct 132007: Oct 282009: Oct 172010: Oct 292011: Oct 28

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
2011Mar 31Oct 28Mar 27Nov 10
2010Mar 30Oct 29Mar 7Nov 5
2009Apr 8Oct 17Mar 30Oct 17
2008Apr 15no dataMar 25no data
2007Apr 17Oct 28Apr 12Nov 6
2006Apr 9Oct 13Mar 27Oct 24
2005Mar 22Oct 26Mar 15Nov 10
2004Apr 14Oct 17Apr 5Nov 13
2003Apr 23Oct 3Mar 31Nov 7
2002Apr 7Nov 1Apr 5Nov 1
2001Apr 18Oct 7Apr 18Oct 27
2000Apr 21Oct 7Apr 9Oct 8
1999Mar 28Oct 20Mar 28Nov 3
1998Apr 11Oct 22Mar 23Nov 4
1997May 16Oct 21Apr 18Oct 21
1996Apr 27Oct 18Apr 18Nov 2

"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.