Last Frost Day

Frost history / Tuskahoma, OK

Tuskahoma, OK: frost dates by year

Last spring and first fall frost at NOAA station USC00349023, 1970 to 2012, measured from daily minimum temperatures.

Elevation 600 ft, 34.615, -95.280. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 9Oct 26
EarliestMar 11 (2012)Sep 24 (1989)
LatestMay 1 (2005)Nov 25 (2009)
Trend1.5 days later per decade1.1 days later per decade
Years with data3739

At 28°F (hard freeze) the median last spring date is Mar 27 and the median first fall date is Nov 7.

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 15197019801990200020101970: Apr 31971: Apr 71972: Apr 41973: Apr 111974: Apr 91975: Apr 121976: Apr 11977: Apr 61978: Mar 281979: Apr 51980: Apr 151981: Apr 11982: Apr 111983: Apr 161984: Apr 61985: Apr 81986: Mar 221988: Apr 191989: Apr 111990: Apr 121991: Mar 311992: Apr 31993: Apr 221994: Apr 71995: Apr 241996: Apr 301997: Apr 151998: Mar 231999: Apr 182000: Apr 92001: Apr 182002: Apr 52003: Apr 112004: Apr 142005: May 12007: Apr 172012: Mar 11

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 11Nov 26Dec 11197019801990200020101970: Nov 21971: Nov 41972: Nov 81973: Oct 291974: Oct 161975: Oct 261976: Oct 171977: Oct 121978: Oct 141980: Oct 251981: Oct 241982: Oct 231983: Nov 111984: Oct 11985: Nov 41986: Nov 111987: Oct 211988: Nov 131989: Sep 241990: Oct 191991: Nov 11992: Nov 41993: Oct 281994: Oct 261995: Oct 211997: Nov 41998: Nov 61999: Oct 202000: Oct 92001: Oct 172002: Oct 152003: Oct 272004: Nov 252005: Oct 242006: Oct 132007: Nov 72009: Nov 252010: Oct 292011: Oct 20

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
2012Mar 11no dataMar 5no data
2011no dataOct 20no dataOct 20
2010no dataOct 29no dataOct 30
2009no dataNov 25no dataNov 25
2007Apr 17Nov 7Apr 8Nov 7
2006no dataOct 13no dataNov 2
2005May 1Oct 24Mar 17Oct 24
2004Apr 14Nov 25Mar 10Nov 25
2003Apr 11Oct 27Apr 10Nov 24
2002Apr 5Oct 15Mar 27Nov 7
2001Apr 18Oct 17Mar 25Nov 20
2000Apr 9Oct 9Apr 9Oct 9
1999Apr 18Oct 20Mar 26Oct 24
1998Mar 23Nov 6Mar 22Dec 9
1997Apr 15Nov 4Apr 14Nov 16
1996Apr 30no dataApr 1no data
1995Apr 24Oct 21Mar 9Nov 4
1994Apr 7Oct 26Apr 7Oct 26
1993Apr 22Oct 28Mar 14Oct 28
1992Apr 3Nov 4Apr 3Nov 5
1991Mar 31Nov 1Mar 30Nov 2
1990Apr 12Oct 19Apr 7Nov 29
1989Apr 11Sep 24Apr 11Oct 19
1988Apr 19Nov 13Mar 19Nov 17
1987no dataOct 21no dataNov 11
1986Mar 22Nov 11Mar 21Nov 12
1985Apr 8Nov 4Mar 18Nov 20
1984Apr 6Oct 1Mar 11Nov 11
1983Apr 16Nov 11Apr 16Nov 11
1982Apr 11Oct 23Mar 26Oct 23
1981Apr 1Oct 24Mar 24Nov 21
1980Apr 15Oct 25Apr 15Oct 30
1979Apr 5no dataMar 25no data
1978Mar 28Oct 14Mar 27Nov 8
1977Apr 6Oct 12Mar 22Oct 12
1976Apr 1Oct 17Mar 13Oct 21
1975Apr 12Oct 26Apr 4Oct 26
1974Apr 9Oct 16Mar 24Nov 15
1973Apr 11Oct 29Apr 11Dec 5
1972Apr 4Nov 8Mar 31Nov 22
1971Apr 7Nov 4Apr 7Nov 7
1970Apr 3Nov 2Apr 2Nov 5

"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.