Last Frost Day

Frost history / Bluestone Lake, WV

Bluestone Lake, WV: frost dates by year

Last spring and first fall frost at NOAA station USC00460939, 1951 to 2013, measured from daily minimum temperatures.

Elevation 1,390 ft, 37.641, -80.883. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 19Oct 25
EarliestMar 12 (2012)Sep 24 (1989)
LatestMay 19 (1973)Dec 4 (2006)
Trend4.2 days earlier per decade1.3 days later per decade
Years with data5957

At 28°F (hard freeze) the median last spring date is Apr 8 and the median first fall date is Nov 5.

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 1Mar 16Mar 31Apr 15Apr 30May 15May 301960197019801990200020101951: Apr 191952: Apr 171953: Apr 231954: May 51955: Apr 101956: Apr 251957: Apr 161958: Apr 151959: Apr 161960: Apr 191961: May 31962: Apr 221963: May 31964: Apr 161965: Apr 171966: May 111967: Apr 301968: May 81969: Apr 251970: May 71971: May 41972: Apr 271973: May 191974: May 81975: Apr 151976: May 51977: May 111978: May 31979: May 21980: May 91981: May 31982: Apr 241983: May 111984: Apr 121985: Apr 111986: May 51987: Apr 111988: Apr 251989: May 91990: Apr 201991: Apr 41992: Apr 71993: Apr 181994: Apr 91995: Apr 161996: May 151997: Apr 181998: Mar 261999: Apr 12000: Apr 132001: Apr 202002: Apr 82003: Apr 12004: Apr 72005: Mar 222006: Mar 292011: Mar 312012: Mar 122013: Apr 5

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 11Nov 26Dec 111960197019801990200020101951: Oct 261952: Oct 51953: Nov 21954: Oct 81955: Oct 251956: Nov 101957: Oct 201958: Oct 311959: Nov 31960: Oct 251961: Oct 271962: Oct 251963: Oct 311964: Oct 111965: Oct 61966: Oct 211967: Oct 221968: Oct 51969: Oct 181970: Oct 171971: Nov 51972: Oct 201973: Oct 181974: Oct 31975: Oct 311977: Oct 181978: Oct 251979: Oct 271980: Oct 271981: Oct 201982: Oct 171983: Oct 301984: Nov 31985: Nov 81986: Nov 141987: Oct 91988: Oct 131989: Sep 241990: Oct 271991: Oct 181992: Oct 181993: Oct 251994: Oct 271995: Oct 301996: Nov 31997: Oct 231998: Oct 231999: Oct 252000: Oct 82001: Oct 82002: Nov 22003: Oct 32004: Nov 92005: Nov 122006: Dec 42011: Nov 62012: Oct 30

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
2013Apr 5no dataApr 4no data
2012Mar 12Oct 30Mar 10Nov 6
2011Mar 31Nov 6Mar 31Nov 11
2006Mar 29Dec 4Mar 26Dec 4
2005Mar 22Nov 12Mar 15Nov 18
2004Apr 7Nov 9Mar 24Nov 27
2003Apr 1Oct 3Apr 1Nov 9
2002Apr 8Nov 2Apr 8Nov 28
2001Apr 20Oct 8Mar 29Oct 18
2000Apr 13Oct 8Mar 19Nov 16
1999Apr 1Oct 25Mar 20Nov 4
1998Mar 26Oct 23Mar 15Nov 22
1997Apr 18Oct 23Apr 11Oct 23
1996May 15Nov 3Apr 10Nov 4
1995Apr 16Oct 30Apr 6Nov 5
1994Apr 9Oct 27Mar 18Nov 12
1993Apr 18Oct 25Mar 20Nov 2
1992Apr 7Oct 18Apr 7Oct 20
1991Apr 4Oct 18Apr 4Nov 4
1990Apr 20Oct 27Apr 14Nov 14
1989May 9Sep 24Apr 14Nov 4
1988Apr 25Oct 13Apr 21Oct 14
1987Apr 11Oct 9Apr 4Oct 22
1986May 5Nov 14May 4Nov 14
1985Apr 11Nov 8Apr 11Dec 3
1984Apr 12Nov 3Apr 3Nov 8
1983May 11Oct 30Apr 22Nov 13
1982Apr 24Oct 17Apr 8Nov 6
1981May 3Oct 20Apr 8Oct 20
1980May 9Oct 27Apr 17Nov 6
1979May 2Oct 27Apr 7Oct 27
1978May 3Oct 25Mar 19Nov 26
1977May 11Oct 18Apr 10Nov 12
1976May 5no dataApr 14no data
1975Apr 15Oct 31Apr 14Nov 15
1974May 8Oct 3Apr 11Oct 3
1973May 19Oct 18Apr 15Nov 7
1972Apr 27Oct 20Apr 10Oct 20
1971May 4Nov 5Apr 15Nov 5
1970May 7Oct 17Apr 6Nov 17
1969Apr 25Oct 18Apr 2Oct 24
1968May 8Oct 5Apr 2Oct 31
1967Apr 30Oct 22Apr 12Nov 6
1966May 11Oct 21Apr 11Oct 31
1965Apr 17Oct 6Apr 4Oct 29
1964Apr 16Oct 11Apr 11Oct 11
1963May 3Oct 31Apr 16Oct 31
1962Apr 22Oct 25Apr 21Oct 25
1961May 3Oct 27Apr 5Oct 28
1960Apr 19Oct 25Apr 12Oct 25
1959Apr 16Nov 3Apr 5Nov 3
1958Apr 15Oct 31Apr 2Nov 8
1957Apr 16Oct 20Apr 16Nov 7
1956Apr 25Nov 10Apr 25Nov 13
1955Apr 10Oct 25Apr 8Oct 26
1954May 5Oct 8Apr 3Nov 1
1953Apr 23Nov 2Apr 17Nov 6
1952Apr 17Oct 5Apr 9Oct 21
1951Apr 19Oct 26Apr 18Nov 4

"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.