Last Frost Day

Frost history / Tygart Dam, WV

Tygart Dam, WV: frost dates by year

Last spring and first fall frost at NOAA station USC00468986, 2001 to 2025, measured from daily minimum temperatures.

Elevation 1,235 ft, 39.313, -80.030. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 26Oct 23
EarliestApr 7 (2011)Oct 3 (2003)
LatestMay 25 (2013)Nov 12 (2016)
Trend4.7 days earlier per decade4.2 days later per decade
Years with data2323

At 28°F (hard freeze) the median last spring date is Apr 11 and the median first fall date is Nov 4.

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 30201020202001: Apr 302002: May 232003: Apr 252004: May 72005: May 52006: Apr 272007: Apr 112008: Apr 172009: May 202010: May 112011: Apr 72012: Apr 242013: May 252014: Apr 182015: Apr 252016: Apr 142017: May 102018: May 12019: Apr 172022: Apr 302023: Apr 262024: Apr 232025: Apr 18

First fall frost (32°F)

Sep 27Oct 12Oct 27Nov 11Nov 26201020202001: Oct 72002: Nov 22003: Oct 32004: Oct 182005: Oct 252006: Oct 152007: Oct 292008: Oct 192009: Oct 192010: Oct 232011: Oct 282012: Oct 112013: Oct 242014: Oct 272016: Nov 122017: Oct 272018: Oct 192019: Oct 192021: Nov 32022: Oct 202023: Nov 12024: Oct 192025: Oct 24

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
2025Apr 18Oct 24Apr 17Nov 7
2024Apr 23Oct 19Apr 23Nov 13
2023Apr 26Nov 1Apr 10Nov 1
2022Apr 30Oct 20Apr 28Nov 15
2021no dataNov 3no dataNov 4
2019Apr 17Oct 19Apr 3Nov 2
2018May 1Oct 19Apr 30Oct 22
2017May 10Oct 27Apr 9Nov 11
2016Apr 14Nov 12Apr 11Nov 12
2015Apr 25no dataApr 2no data
2014Apr 18Oct 27Apr 17Nov 3
2013May 25Oct 24Apr 21Nov 4
2012Apr 24Oct 11Mar 28Nov 6
2011Apr 7Oct 28Mar 30Nov 5
2010May 11Oct 23Mar 28Oct 30
2009May 20Oct 19Apr 13Nov 4
2008Apr 17Oct 19Apr 17Oct 19
2007Apr 11Oct 29Apr 11Nov 2
2006Apr 27Oct 15Apr 10Oct 15
2005May 5Oct 25Mar 22Nov 12
2004May 7Oct 18May 1Nov 9
2003Apr 25Oct 3Apr 24Oct 3
2002May 23Nov 2Apr 8Nov 2
2001Apr 30Oct 7Apr 20Oct 29

"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.