Last Frost Day

Frost history / Webbers Falls 5 Wsw, OK

Webbers Falls 5 Wsw, OK: frost dates by year

Last spring and first fall frost at NOAA station USC00349445, 1951 to 2006, measured from daily minimum temperatures.

Elevation 550 ft, 35.481, -95.204. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 5Oct 29
EarliestMar 6 (1985)Oct 7 (1952)
LatestApr 25 (2005)Dec 5 (1973)
Trendlittle change (less than half a day per decade)0.9 days later per decade
Years with data4949

At 28°F (hard freeze) the median last spring date is Mar 21 and the median first fall date is Nov 9.

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 30196019701980199020001951: Apr 171952: Apr 51953: Apr 201954: Apr 21955: Mar 301956: Apr 81957: Apr 141958: Mar 291959: Mar 231960: Mar 221961: Apr 171962: Apr 21963: Mar 221964: Apr 91965: Mar 271966: Apr 61967: Mar 91968: Apr 51969: Mar 261970: Apr 21971: Apr 141972: Apr 11973: Apr 111974: Apr 91976: Mar 141977: Mar 231978: Apr 111979: Apr 51980: Apr 151981: Mar 201982: Apr 221985: Mar 61986: Mar 211987: Apr 51988: Mar 311989: Apr 121990: Apr 81991: Mar 311992: Apr 41993: Apr 21994: Apr 81995: Mar 101996: Apr 61997: Apr 151998: Mar 212000: Apr 92003: Apr 112005: Apr 252006: Mar 26

First fall frost (32°F)

Sep 27Oct 12Oct 27Nov 11Nov 26Dec 11196019701980199020001951: Nov 21952: Oct 71953: Nov 91954: Oct 301955: Oct 181956: Nov 91957: Oct 261958: Oct 271959: Nov 61960: Oct 201961: Nov 41962: Nov 41963: Oct 291964: Oct 201965: Oct 251966: Oct 161967: Oct 271968: Oct 251969: Nov 41970: Nov 21971: Nov 71972: Nov 111973: Dec 51977: Oct 161978: Oct 141979: Oct 101980: Oct 291981: Oct 241984: Nov 111985: Nov 81986: Nov 111987: Oct 211988: Nov 171989: Oct 191990: Oct 221991: Nov 11992: Nov 41993: Oct 281994: Oct 261995: Oct 251996: Nov 21997: Nov 151998: Nov 62000: Oct 92001: Oct 262002: Oct 152003: Nov 252004: Nov 252005: 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
2006Mar 26no dataMar 26no data
2005Apr 25Oct 24Mar 18Oct 25
2004no dataNov 25no dataNov 25
2003Apr 11Nov 25Apr 11Nov 25
2002no dataOct 15no dataNov 17
2001no dataOct 26no dataNov 20
2000Apr 9Oct 9Mar 21Oct 9
1998Mar 21Nov 6Mar 14Dec 9
1997Apr 15Nov 15Apr 13Nov 15
1996Apr 6Nov 2Mar 27Nov 26
1995Mar 10Oct 25Mar 9Nov 4
1994Apr 8Oct 26Mar 11Oct 26
1993Apr 2Oct 28Apr 2Oct 30
1992Apr 4Nov 4Apr 3Nov 6
1991Mar 31Nov 1Mar 15Nov 2
1990Apr 8Oct 22Mar 20Nov 28
1989Apr 12Oct 19Apr 12Oct 20
1988Mar 31Nov 17Mar 19Nov 17
1987Apr 5Oct 21Apr 4Nov 11
1986Mar 21Nov 11Mar 21Nov 12
1985Mar 6Nov 8Mar 5Nov 20
1984no dataNov 11no dataNov 21
1982Apr 22no dataMar 27no data
1981Mar 20Oct 24Feb 15Nov 21
1980Apr 15Oct 29Mar 5Oct 29
1979Apr 5Oct 10Mar 25Nov 11
1978Apr 11Oct 14Mar 16Oct 28
1977Mar 23Oct 16Mar 22Nov 10
1976Mar 14no dataMar 14no data
1974Apr 9no dataMar 25no data
1973Apr 11Dec 5Feb 24Dec 6
1972Apr 1Nov 11Mar 5Nov 22
1971Apr 14Nov 7Mar 20Nov 7
1970Apr 2Nov 2Mar 15Nov 5
1969Mar 26Nov 4Mar 13Nov 14
1968Apr 5Oct 25Mar 24Nov 9
1967Mar 9Oct 27Mar 9Nov 4
1966Apr 6Oct 16Mar 25Oct 16
1965Mar 27Oct 25Mar 27Nov 27
1964Apr 9Oct 20Mar 31Nov 20
1963Mar 22Oct 29Mar 22Oct 29
1962Apr 2Nov 4Apr 2Nov 9
1961Apr 17Nov 4Mar 10Nov 7
1960Mar 22Oct 20Mar 21Nov 10
1959Mar 23Nov 6Mar 22Nov 6
1958Mar 29Oct 27Mar 21Nov 7
1957Apr 14Oct 26Apr 14Oct 26
1956Apr 8Nov 9Mar 19Nov 9
1955Mar 30Oct 18Mar 29Nov 3
1954Apr 2Oct 30Apr 1Nov 2
1953Apr 20Nov 9Feb 23Nov 9
1952Apr 5Oct 7Mar 24Oct 29
1951Apr 17Nov 2Mar 20Nov 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.