Last Frost Day

Frost history / Rockford 3 Ese, AL

Rockford 3 Ese, AL: frost dates by year

Last spring and first fall frost at NOAA station USC00017020, 1954 to 2015, measured from daily minimum temperatures.

Elevation 600 ft, 32.871, -86.176. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 1Nov 4
EarliestMar 6 (2012)Oct 4 (1974)
LatestApr 23 (1986)Dec 19 (2015)
Trend2.2 days earlier per decade2.6 days later per decade
Years with data4545

At 28°F (hard freeze) the median last spring date is Mar 22 and the median first fall date is Nov 12.

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 301960197019801990200020101955: Apr 81956: Apr 211957: Apr 161958: Apr 81959: Apr 141960: Apr 121963: Apr 161965: Mar 231966: Apr 101967: Mar 191968: Apr 61969: Mar 271970: Mar 271971: Mar 271972: Apr 21973: Apr 111974: Apr 61975: Apr 41976: Mar 181977: Mar 231978: Mar 281979: Mar 271980: Mar 151981: Mar 211982: Apr 71983: Apr 201984: Mar 211985: Apr 91986: Apr 231990: Apr 81991: Mar 152002: Mar 282003: Mar 312004: Apr 12005: Mar 182006: Mar 272007: Apr 162008: Mar 262009: Apr 82010: Mar 82011: Apr 62012: Mar 62013: Apr 202014: Mar 262015: Mar 7

First fall frost (32°F)

Sep 27Oct 12Oct 27Nov 11Nov 26Dec 11Dec 261960197019801990200020101954: Oct 161955: Oct 151956: Nov 91957: Oct 271958: Oct 281959: Nov 71960: Nov 41963: Oct 301964: Oct 261965: Oct 251966: Nov 21967: Nov 51968: Oct 261969: Nov 41970: Nov 31971: Nov 51972: Nov 181973: Nov 101974: Oct 41975: Nov 141976: Oct 211977: Oct 141979: Nov 141981: Nov 141983: Nov 121984: Nov 131986: Nov 141989: Oct 201990: Oct 271991: Nov 42001: Oct 282002: Nov 182003: Nov 142004: Nov 262005: Oct 262006: Nov 42007: Nov 72008: Oct 292009: Nov 262010: Nov 62011: Oct 312012: Nov 92013: Oct 262014: Nov 142015: Dec 19

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
2015Mar 7Dec 19Feb 20none
2014Mar 26Nov 14Mar 26Nov 19
2013Apr 20Oct 26Mar 27Nov 13
2012Mar 6Nov 9Feb 13Nov 25
2011Apr 6Oct 31Feb 13Nov 11
2010Mar 8Nov 6Mar 6Nov 7
2009Apr 8Nov 26Apr 8Dec 6
2008Mar 26Oct 29Mar 25Nov 19
2007Apr 16Nov 7Apr 8Nov 8
2006Mar 27Nov 4Mar 26Dec 4
2005Mar 18Oct 26Mar 4Nov 18
2004Apr 1Nov 26Mar 11Dec 14
2003Mar 31Nov 14Mar 31Nov 14
2002Mar 28Nov 18Mar 23Nov 23
2001no dataOct 28no dataOct 28
1991Mar 15Nov 4Mar 15Nov 4
1990Apr 8Oct 27Feb 25Nov 30
1989no dataOct 20no dataOct 20
1986Apr 23Nov 14Mar 23Nov 14
1985Apr 9no dataFeb 17no data
1984Mar 21Nov 13Mar 11Nov 13
1983Apr 20Nov 12Apr 19Nov 12
1982Apr 7no dataMar 8no data
1981Mar 21Nov 14Mar 20Nov 21
1980Mar 15no dataMar 4no data
1979Mar 27Nov 14Mar 26Nov 15
1978Mar 28no dataMar 28no data
1977Mar 23Oct 14Feb 28Nov 13
1976Mar 18Oct 21Mar 17Oct 29
1975Apr 4Nov 14Mar 15Nov 14
1974Apr 6Oct 4Feb 28Nov 13
1973Apr 11Nov 10Apr 11Nov 10
1972Apr 2Nov 18Mar 6Nov 24
1971Mar 27Nov 5Mar 21Nov 8
1970Mar 27Nov 3Mar 16Nov 4
1969Mar 27Nov 4Mar 27Nov 5
1968Apr 6Oct 26Mar 24Nov 13
1967Mar 19Nov 5Mar 19Nov 5
1966Apr 10Nov 2Mar 25Nov 3
1965Mar 23Oct 25Mar 22Oct 25
1964no dataOct 26no dataNov 22
1963Apr 16Oct 30Mar 25Nov 3
1960Apr 12Nov 4Apr 11Nov 8
1959Apr 14Nov 7Mar 18Nov 7
1958Apr 8Oct 28Mar 22Nov 29
1957Apr 16Oct 27Mar 29Oct 28
1956Apr 21Nov 9Mar 25Nov 10
1955Apr 8Oct 15Mar 30Oct 25
1954no dataOct 16no dataOct 17

"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.