Last Frost Day

Frost history / Oakley Exp Stn, MS

Oakley Exp Stn, MS: frost dates by year

Last spring and first fall frost at NOAA station USC00226476, 1970 to 2018, measured from daily minimum temperatures.

Elevation 205 ft, 32.206, -90.513. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMar 22Nov 5
EarliestFeb 17 (1985)Oct 13 (1987)
LatestApr 18 (1997)Dec 6 (1973)
Trend0.6 days later per decade2.5 days earlier per decade
Years with data3432

At 28°F (hard freeze) the median last spring date is Mar 5 and the median first fall date is Nov 16.

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)

Jan 30Feb 14Mar 1Mar 16Mar 31Apr 15Apr 30197019801990200020101971: Apr 71972: Mar 61973: Apr 111974: Mar 221975: Apr 51976: Mar 171978: Mar 181979: Mar 71980: Mar 41981: Mar 201982: Mar 91983: Mar 251984: Mar 81985: Feb 171986: Mar 231987: Apr 61988: Mar 171989: Apr 121990: Apr 81991: Mar 101992: Apr 31994: Apr 11995: Mar 111996: Apr 71997: Apr 181999: Mar 272000: Mar 122002: Mar 232006: Mar 272014: Apr 162015: Mar 72016: Mar 222017: Mar 162018: Mar 15

First fall frost (32°F)

Sep 27Oct 12Oct 27Nov 11Nov 26Dec 11197019801990200020101970: Nov 31971: Nov 41972: Nov 171973: Dec 61974: Nov 151975: Nov 141976: Oct 181977: Nov 111978: Nov 91979: Nov 121980: Oct 311981: Nov 121982: Oct 251983: Nov 121984: Nov 121985: Dec 21986: Nov 141987: Oct 131988: Nov 231989: Oct 201990: Oct 261991: Nov 21992: Nov 61993: Oct 311994: Oct 271995: Nov 121996: Nov 31997: Oct 202014: Nov 12015: Nov 222016: Oct 222017: Oct 29

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
2018Mar 15no dataFeb 3no data
2017Mar 16Oct 29Mar 15Nov 20
2016Mar 22Oct 22Feb 11Nov 11
2015Mar 7Nov 22Mar 7Nov 23
2014Apr 16Nov 1Mar 26Nov 2
2006Mar 27no dataFeb 19no data
2002Mar 23no dataMar 5no data
2000Mar 12no dataFeb 7no data
1999Mar 27no dataFeb 22no data
1997Apr 18Oct 20Feb 16Nov 9
1996Apr 7Nov 3Mar 12Nov 27
1995Mar 11Nov 12Mar 10Nov 25
1994Apr 1Oct 27Feb 27Nov 30
1993no dataOct 31no dataOct 31
1992Apr 3Nov 6Mar 11Nov 7
1991Mar 10Nov 2Feb 16Nov 4
1990Apr 8Oct 26Mar 20Nov 30
1989Apr 12Oct 20Apr 11Oct 20
1988Mar 17Nov 23Mar 16Nov 29
1987Apr 6Oct 13Apr 5Nov 12
1986Mar 23Nov 14Mar 23Nov 14
1985Feb 17Dec 2Feb 17Dec 2
1984Mar 8Nov 12Mar 7Nov 22
1983Mar 25Nov 12Mar 22Nov 29
1982Mar 9Oct 25Mar 8Nov 5
1981Mar 20Nov 12Feb 14Nov 21
1980Mar 4Oct 31Mar 4Nov 19
1979Mar 7Nov 12Feb 19Nov 14
1978Mar 18Nov 9Mar 18Dec 5
1977no dataNov 11no dataNov 11
1976Mar 17Oct 18Feb 8Oct 21
1975Apr 5Nov 14Mar 6Nov 14
1974Mar 22Nov 15Feb 26Nov 15
1973Apr 11Dec 6Feb 18Dec 7
1972Mar 6Nov 17Feb 20Dec 1
1971Apr 7Nov 4Mar 8Nov 8
1970no dataNov 3no dataNov 16

"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.