Last Frost Day

Frost history / Elwood, IN

Elwood, IN: frost dates by year

Last spring and first fall frost at NOAA station USC00122638, 1951 to 2013, measured from daily minimum temperatures.

Elevation 866 ft, 40.287, -85.845. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 28Oct 7
EarliestMar 30 (1999)Sep 18 (1959)
LatestMay 27 (1988)Nov 4 (1971)
Trend1.6 days earlier per decade1.0 days later per decade
Years with data5854

At 28°F (hard freeze) the median last spring date is Apr 11 and the median first fall date is Oct 23.

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 161953: Apr 211954: May 101955: Apr 81957: May 61958: May 61959: May 161960: Apr 181961: May 271962: Apr 241963: May 231964: Apr 151965: Apr 291966: May 111967: May 41968: May 61969: Apr 201970: May 41971: May 51973: May 181974: May 81975: Apr 221976: May 121977: Apr 261978: May 31979: May 41980: May 91981: May 81982: Apr 231983: May 81984: Apr 211985: Apr 101986: Apr 241987: Apr 101988: May 271989: May 71990: Apr 181991: Apr 131992: Apr 271993: Apr 221994: May 21995: Apr 71996: May 131997: May 211998: Apr 101999: Mar 302000: Apr 112001: Apr 182003: Apr 242004: May 32005: May 42006: Apr 102009: Apr 242010: Apr 282011: Apr 222012: Apr 282013: Apr 27

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 111960197019801990200020101951: Sep 291952: Oct 71953: Oct 81954: Oct 181958: Oct 11959: Sep 181960: Oct 201961: Oct 151962: Sep 211963: Sep 301964: Oct 61965: Oct 41966: Oct 21967: Sep 231968: Oct 41969: Oct 181970: Oct 161971: Nov 41972: Oct 151973: Oct 161974: Sep 231975: Oct 31976: Oct 101977: Oct 131978: Oct 101979: Oct 101980: Oct 51981: Oct 31982: Oct 161983: Sep 231984: Oct 21985: Oct 11986: Oct 151987: Oct 41988: Oct 61989: Oct 31990: Oct 231991: Oct 61992: Oct 161993: Sep 301994: Oct 251995: Sep 231996: Oct 121997: Oct 141998: Oct 221999: Oct 42002: Oct 142003: Oct 22004: Oct 32005: Oct 262006: Oct 122008: Oct 192010: Oct 192011: Sep 18

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
2013Apr 27no dataApr 21no data
2012Apr 28no dataApr 28no data
2011Apr 22Sep 18Apr 2Oct 30
2010Apr 28Oct 19Mar 28Nov 1
2009Apr 24no dataMar 31no data
2008no dataOct 19no dataOct 22
2006Apr 10Oct 12Apr 10Oct 25
2005May 4Oct 26Mar 25Oct 29
2004May 3Oct 3Apr 6Nov 9
2003Apr 24Oct 2Apr 24Nov 7
2002no dataOct 14no dataNov 2
2001Apr 18no dataApr 1no data
2000Apr 11no dataApr 11no data
1999Mar 30Oct 4Mar 26Oct 25
1998Apr 10Oct 22Mar 24Nov 4
1997May 21Oct 14Apr 19Oct 18
1996May 13Oct 12Apr 10Oct 31
1995Apr 7Sep 23Apr 7Nov 3
1994May 2Oct 25Apr 7Oct 27
1993Apr 22Sep 30Apr 22Nov 2
1992Apr 27Oct 16Apr 5Oct 18
1991Apr 13Oct 6Apr 2Oct 15
1990Apr 18Oct 23Apr 18Oct 25
1989May 7Oct 3Apr 13Oct 8
1988May 27Oct 6Apr 25Oct 12
1987Apr 10Oct 4Apr 5Oct 8
1986Apr 24Oct 15Apr 24Nov 3
1985Apr 10Oct 1Apr 10Nov 21
1984Apr 21Oct 2Apr 9Nov 3
1983May 8Sep 23May 8Nov 4
1982Apr 23Oct 16Apr 14Oct 17
1981May 8Oct 3Apr 7Oct 24
1980May 9Oct 5Apr 25Oct 6
1979May 4Oct 10May 1Oct 10
1978May 3Oct 10Apr 22Oct 15
1977Apr 26Oct 13Mar 26Oct 13
1976May 12Oct 10Apr 28Oct 18
1975Apr 22Oct 3Apr 14Nov 14
1974May 8Sep 23May 7Oct 3
1973May 18Oct 16Apr 15Nov 3
1972no dataOct 15no dataOct 20
1971May 5Nov 4Apr 10Nov 4
1970May 4Oct 16Apr 8Oct 17
1969Apr 20Oct 18Apr 1Oct 23
1968May 6Oct 4Apr 11Oct 5
1967May 4Sep 23Apr 25Oct 12
1966May 11Oct 2May 10Oct 6
1965Apr 29Oct 4Apr 15Oct 6
1964Apr 15Oct 6Apr 9Oct 7
1963May 23Sep 30May 1Oct 30
1962Apr 24Sep 21Apr 20Oct 24
1961May 27Oct 15Apr 17Oct 27
1960Apr 18Oct 20Apr 10Oct 21
1959May 16Sep 18Mar 29Oct 18
1958May 6Oct 1Apr 30Nov 6
1957May 6no dataApr 15no data
1955Apr 8no dataMar 30no data
1954May 10Oct 18Apr 4Oct 30
1953Apr 21Oct 8Apr 21Oct 8
1952Apr 16Oct 7Apr 11Oct 8
1951Apr 23Sep 29Mar 26Sep 29

"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.