Last Frost Day

Frost history / Siloam 3N, GA

Siloam 3N, GA: frost dates by year

Last spring and first fall frost at NOAA station USC00098064, 1961 to 2013, measured from daily minimum temperatures.

Elevation 695 ft, 33.564, -83.077. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMar 29Nov 8
EarliestFeb 23 (1997)Oct 14 (1988)
LatestApr 23 (1986)Dec 6 (1978)
Trend2.3 days earlier per decadelittle change (less than half a day per decade)
Years with data5250

At 28°F (hard freeze) the median last spring date is Mar 15 and the median first fall date is Nov 17.

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 30197019801990200020101961: Apr 111962: Apr 161963: Mar 231964: Mar 311965: Mar 221966: Mar 291967: Mar 191968: Mar 251969: Mar 271970: Apr 31971: Apr 31972: Apr 91973: Apr 111974: Mar 221975: Apr 61976: Mar 181977: Mar 231978: Apr 221979: Mar 261980: Mar 41981: Mar 201982: Apr 71983: Apr 211984: Mar 311985: Apr 101986: Apr 231987: Apr 61988: Mar 221989: Apr 131990: Apr 81991: Mar 121992: Apr 41993: Apr 41994: Mar 131995: Mar 111996: Apr 111997: Feb 231998: Mar 141999: Mar 162000: Apr 92001: Mar 292002: Mar 232003: Apr 12004: Mar 252005: Mar 192006: Mar 282008: Mar 262009: Apr 92010: Mar 82011: Mar 132012: Mar 112013: Mar 30

First fall frost (32°F)

Sep 27Oct 12Oct 27Nov 11Nov 26Dec 11197019801990200020101961: Nov 91962: Oct 251963: Nov 21964: Nov 221965: Oct 251966: Nov 41967: Nov 51968: Oct 261969: Nov 141970: Nov 161971: Nov 81972: Oct 201973: Nov 101974: Oct 221975: Nov 141976: Oct 291977: Nov 111978: Dec 61979: Nov 151980: Nov 191981: Nov 141982: Nov 51984: Nov 71985: Dec 31986: Nov 141987: Oct 221988: Oct 141989: Oct 221990: Nov 181991: Nov 41992: Nov 81993: Nov 11994: Nov 241995: Nov 91996: Nov 31997: Nov 161998: Nov 81999: Nov 32001: Oct 282002: Nov 182003: Nov 142004: Nov 152005: Nov 172006: Oct 242007: Oct 312008: Nov 102009: Oct 192010: Nov 62011: Oct 302012: Nov 9

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
2013Mar 30no dataMar 29no data
2012Mar 11Nov 9Mar 7Nov 25
2011Mar 13Oct 30Feb 13Nov 18
2010Mar 8Nov 6Mar 8Dec 2
2009Apr 9Oct 19Mar 5Dec 6
2008Mar 26Nov 10Mar 26Nov 19
2007no dataOct 31no dataNov 7
2006Mar 28Oct 24Feb 28Nov 4
2005Mar 19Nov 17Mar 3Nov 18
2004Mar 25Nov 15Mar 24Dec 14
2003Apr 1Nov 14Feb 18Nov 14
2002Mar 23Nov 18Mar 23Nov 23
2001Mar 29Oct 28Mar 28Oct 28
2000Apr 9no dataMar 13no data
1999Mar 16Nov 3Mar 13Nov 18
1998Mar 14Nov 8Mar 14Dec 18
1997Feb 23Nov 16Feb 16Nov 19
1996Apr 11Nov 3Mar 11Nov 27
1995Mar 11Nov 9Mar 11Nov 16
1994Mar 13Nov 24Mar 12Dec 12
1993Apr 4Nov 1Apr 4Nov 7
1992Apr 4Nov 8Apr 4Nov 17
1991Mar 12Nov 4Feb 28Nov 4
1990Apr 8Nov 18Mar 22Nov 30
1989Apr 13Oct 22Mar 8Nov 17
1988Mar 22Oct 14Mar 22Nov 30
1987Apr 6Oct 22Apr 4Nov 12
1986Apr 23Nov 14Mar 22Nov 14
1985Apr 10Dec 3Mar 19Dec 3
1984Mar 31Nov 7Mar 10Nov 13
1983Apr 21no dataApr 20no data
1982Apr 7Nov 5Apr 7Nov 6
1981Mar 20Nov 14Feb 13Nov 22
1980Mar 4Nov 19Mar 4Nov 19
1979Mar 26Nov 15Mar 26Nov 30
1978Apr 22Dec 6Mar 18Dec 10
1977Mar 23Nov 11Mar 1Nov 13
1976Mar 18Oct 29Feb 23Oct 29
1975Apr 6Nov 14Mar 9Nov 15
1974Mar 22Oct 22Feb 27Nov 15
1973Apr 11Nov 10Mar 22Nov 10
1972Apr 9Oct 20Mar 9Nov 24
1971Apr 3Nov 8Mar 27Nov 22
1970Apr 3Nov 16Mar 16Nov 16
1969Mar 27Nov 14Mar 27Nov 15
1968Mar 25Oct 26Mar 24Nov 13
1967Mar 19Nov 5Mar 19Nov 5
1966Mar 29Nov 4Mar 25Nov 4
1965Mar 22Oct 25Mar 21Nov 18
1964Mar 31Nov 22Mar 31Nov 22
1963Mar 23Nov 2Feb 28Nov 3
1962Apr 16Oct 25Apr 16Oct 26
1961Apr 11Nov 9Feb 10Nov 9

"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.