Last Frost Day

Frost history / Waurika, OK

Waurika, OK: frost dates by year

Last spring and first fall frost at NOAA station USC00349395, 1951 to 2008, measured from daily minimum temperatures.

Elevation 912 ft, 34.175, -97.996. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMar 27Nov 4
EarliestFeb 26 (2004)Oct 8 (1952)
LatestApr 22 (1959)Nov 28 (1994)
Trend2.2 days earlier per decade1.0 days later per decade
Years with data5553

At 28°F (hard freeze) the median last spring date is Mar 18 and the median first fall date is Nov 15.

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)

Feb 14Mar 1Mar 16Mar 31Apr 15Apr 30196019701980199020001951: Apr 31952: Apr 51953: Apr 201954: Apr 11955: Mar 281956: Apr 111957: Apr 141958: Mar 201959: Apr 221960: Mar 181961: Apr 161962: Apr 21963: Mar 221964: Mar 261965: Mar 271966: Apr 211967: Mar 161968: Apr 51969: Mar 261970: Apr 51971: Apr 71973: Apr 101974: Mar 241975: Apr 31976: Apr 11977: Mar 231978: Mar 251979: Mar 251981: Mar 191982: Mar 261983: Apr 151984: Apr 51985: Mar 311986: Mar 211987: Apr 41989: Apr 111990: Mar 251991: Mar 141992: Mar 231993: Mar 141994: Apr 61995: Mar 121996: Mar 261997: Apr 131998: Mar 211999: Mar 242000: Apr 42001: Mar 202002: Mar 262003: Apr 92004: Feb 262005: Mar 172006: Mar 252007: Apr 152008: Mar 24

First fall frost (32°F)

Sep 27Oct 12Oct 27Nov 11Nov 26Dec 11196019701980199020001951: Nov 21952: Oct 81953: Nov 91954: Oct 301955: Nov 31956: Nov 91957: Oct 261958: Nov 11959: Oct 181960: Nov 61961: Nov 31962: Nov 41963: Nov 21964: Nov 201965: Nov 271966: Nov 21967: Nov 41968: Nov 91969: Nov 41970: Oct 281971: Nov 41973: Nov 211974: Nov 151975: Oct 261976: Oct 201977: Oct 121979: Nov 11980: Oct 251981: Nov 101982: Nov 41984: Nov 111985: Nov 201986: Nov 111988: Nov 171989: Oct 191990: Oct 221991: Oct 311992: Nov 51993: Oct 291994: Nov 281995: Nov 41996: Nov 241997: Oct 271998: Nov 61999: Nov 32000: Oct 92001: Nov 202002: Nov 62003: Nov 242004: Nov 242005: Oct 242006: Nov 22007: Oct 27

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
2008Mar 24no dataMar 24no data
2007Apr 15Oct 27Mar 5Nov 22
2006Mar 25Nov 2Mar 24Nov 30
2005Mar 17Oct 24Mar 17Nov 17
2004Feb 26Nov 24Feb 26Dec 1
2003Apr 9Nov 24Mar 10Nov 24
2002Mar 26Nov 6Mar 22Nov 27
2001Mar 20Nov 20Feb 28Nov 20
2000Apr 4Oct 9Feb 12Oct 9
1999Mar 24Nov 3Mar 15Dec 6
1998Mar 21Nov 6Mar 12Dec 9
1997Apr 13Oct 27Apr 12Nov 11
1996Mar 26Nov 24Mar 26Nov 24
1995Mar 12Nov 4Mar 10Nov 11
1994Apr 6Nov 28Apr 6Nov 28
1993Mar 14Oct 29Mar 14Oct 30
1992Mar 23Nov 5Mar 11Nov 5
1991Mar 14Oct 31Mar 8Nov 2
1990Mar 25Oct 22Feb 17Nov 29
1989Apr 11Oct 19Mar 22Oct 20
1988no dataNov 17no dataNov 17
1987Apr 4no dataApr 3no data
1986Mar 21Nov 11Mar 1Nov 11
1985Mar 31Nov 20Feb 15Nov 20
1984Apr 5Nov 11Mar 9Nov 21
1983Apr 15no dataMar 11no data
1982Mar 26Nov 4Mar 7Nov 13
1981Mar 19Nov 10Mar 19Dec 2
1980no dataOct 25no dataNov 19
1979Mar 25Nov 1Mar 24Nov 13
1978Mar 25no dataMar 17no data
1977Mar 23Oct 12Mar 22Oct 16
1976Apr 1Oct 20Mar 6Oct 20
1975Apr 3Oct 26Apr 3Nov 13
1974Mar 24Nov 15Mar 24Nov 29
1973Apr 10Nov 21Apr 10Dec 5
1971Apr 7Nov 4Apr 7Nov 19
1970Apr 5Oct 28Apr 5Nov 5
1969Mar 26Nov 4Mar 26Nov 15
1968Apr 5Nov 9Mar 23Nov 9
1967Mar 16Nov 4Mar 8Nov 4
1966Apr 21Nov 2Mar 24Nov 2
1965Mar 27Nov 27Mar 27Nov 29
1964Mar 26Nov 20Mar 26Nov 21
1963Mar 22Nov 2Mar 7Nov 14
1962Apr 2Nov 4Mar 16Nov 20
1961Apr 16Nov 3Mar 9Nov 17
1960Mar 18Nov 6Mar 18Nov 10
1959Apr 22Oct 18Mar 22Oct 28
1958Mar 20Nov 1Mar 14Nov 18
1957Apr 14Oct 26Apr 13Oct 26
1956Apr 11Nov 9Mar 16Nov 16
1955Mar 28Nov 3Mar 28Nov 3
1954Apr 1Oct 30Apr 1Nov 5
1953Apr 20Nov 9Mar 4Nov 9
1952Apr 5Oct 8Mar 23Oct 29
1951Apr 3Nov 2Mar 19Nov 3

"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.