Last Frost Day

Frost history / Paoli, IN

Paoli, IN: frost dates by year

Last spring and first fall frost at NOAA station USC00126705, 1951 to 2018, measured from daily minimum temperatures.

Elevation 560 ft, 38.556, -86.486. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 24Oct 9
EarliestApr 3 (1965)Sep 21 (1962)
LatestMay 27 (1961)Nov 12 (1986)
Trend1.7 days earlier per decade1.9 days later per decade
Years with data5863

At 28°F (hard freeze) the median last spring date is Apr 12 and the median first fall date is Oct 21.

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 16Mar 31Apr 15Apr 30May 15May 30Jun 141960197019801990200020101951: Apr 231952: Apr 171953: Apr 211954: May 101955: Apr 91957: May 61958: Apr 301959: May 161960: May 131961: May 271962: Apr 241963: May 231964: Apr 111965: Apr 31966: May 101967: May 31968: May 61969: Apr 251970: May 31972: Apr 271973: May 171974: May 71975: Apr 211976: May 121977: May 101979: Apr 281980: May 91981: Apr 211982: Apr 241983: Apr 251989: May 121990: Apr 191991: Apr 221992: May 61993: Apr 231994: May 21995: Apr 141996: May 141997: May 161998: Apr 121999: Apr 132000: Apr 122001: Apr 192002: May 222003: Apr 232004: Apr 142005: May 42006: Apr 102007: Apr 212009: Apr 222010: Apr 182012: Apr 132013: May 132014: Apr 172015: Apr 242016: Apr 142017: Apr 102018: Apr 30

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 11Nov 261960197019801990200020101951: Oct 91952: Oct 31954: Oct 181955: Oct 251956: Oct 81957: Oct 111958: Oct 21959: Oct 121960: Oct 201961: Oct 41962: Sep 211963: Sep 301964: Oct 61965: Oct 51966: Oct 21967: Sep 291968: Oct 41969: Oct 151970: Oct 41971: Oct 121972: Oct 11973: Oct 171974: Sep 231975: Oct 21976: Oct 101977: Oct 101978: Oct 81979: Oct 101980: Oct 51981: Oct 81982: Oct 171983: Sep 231984: Oct 11986: Nov 121988: Oct 41989: Oct 91990: Oct 191991: Sep 271992: Oct 121993: Sep 301994: Oct 251995: Sep 231996: Oct 191997: Oct 151998: Oct 221999: Oct 182000: Oct 72001: Oct 72002: Oct 142003: Oct 22004: Oct 32005: Oct 282006: Oct 132008: Oct 172009: Oct 162010: Oct 32012: Oct 92013: Oct 222014: Oct 302015: Oct 172016: Nov 52017: Oct 262018: Oct 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
2018Apr 30Oct 19Apr 12Oct 21
2017Apr 10Oct 26Mar 16Oct 29
2016Apr 14Nov 5Apr 12Nov 13
2015Apr 24Oct 17Mar 29Oct 18
2014Apr 17Oct 30Apr 16Nov 2
2013May 13Oct 22Apr 6Oct 25
2012Apr 13Oct 9Apr 11Nov 1
2010Apr 18Oct 3Mar 27Oct 29
2009Apr 22Oct 16Apr 8Oct 16
2008no dataOct 17no dataOct 27
2007Apr 21no dataApr 13no data
2006Apr 10Oct 13Apr 10Oct 14
2005May 4Oct 28Apr 24Oct 28
2004Apr 14Oct 3Apr 5Oct 17
2003Apr 23Oct 2Mar 31Nov 8
2002May 22Oct 14Apr 7Nov 2
2001Apr 19Oct 7Apr 18Oct 17
2000Apr 12Oct 7Apr 9Oct 8
1999Apr 13Oct 18Mar 28Oct 21
1998Apr 12Oct 22Apr 5Oct 24
1997May 16Oct 15Apr 18Oct 22
1996May 14Oct 19Apr 17Oct 19
1995Apr 14Sep 23Apr 5Oct 24
1994May 2Oct 25Apr 8Oct 27
1993Apr 23Sep 30Apr 23Oct 28
1992May 6Oct 12Apr 6Oct 19
1991Apr 22Sep 27Apr 1Oct 7
1990Apr 19Oct 19Apr 18Oct 26
1989May 12Oct 9Apr 13Nov 1
1988no dataOct 4no dataOct 12
1986no dataNov 12no dataNov 13
1984no dataOct 1no dataNov 6
1983Apr 25Sep 23Apr 21Nov 12
1982Apr 24Oct 17Apr 23Oct 21
1981Apr 21Oct 8Apr 7Oct 24
1980May 9Oct 5Apr 16Oct 5
1979Apr 28Oct 10Apr 6Oct 14
1978no dataOct 8no dataOct 8
1977May 10Oct 10Apr 9Oct 13
1976May 12Oct 10May 9Oct 18
1975Apr 21Oct 2Apr 13Oct 3
1974May 7Sep 23Apr 16Oct 2
1973May 17Oct 17Apr 14Oct 17
1972Apr 27Oct 1Apr 26Oct 20
1971no dataOct 12no dataNov 4
1970May 3Oct 4Apr 7Oct 17
1969Apr 25Oct 15Apr 1Oct 18
1968May 6Oct 4May 6Oct 5
1967May 3Sep 29Mar 23Oct 11
1966May 10Oct 2May 10Oct 21
1965Apr 3Oct 5Apr 1Oct 25
1964Apr 11Oct 6Apr 10Oct 7
1963May 23Sep 30May 2Oct 14
1962Apr 24Sep 21Apr 21Oct 24
1961May 27Oct 4May 27Oct 15
1960May 13Oct 20Apr 19Oct 21
1959May 16Oct 12Apr 23Oct 18
1958Apr 30Oct 2Apr 12Oct 2
1957May 6Oct 11Apr 15Oct 12
1956no dataOct 8no dataNov 9
1955Apr 9Oct 25Apr 8Oct 25
1954May 10Oct 18Apr 2Oct 21
1953Apr 21no dataApr 20no data
1952Apr 17Oct 3Mar 29Oct 7
1951Apr 23Oct 9Apr 23Nov 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.