Last Frost Day

Frost history / Kentland, IN

Kentland, IN: frost dates by year

Last spring and first fall frost at NOAA station USC00124527, 1951 to 1996, measured from daily minimum temperatures.

Elevation 695 ft, 40.759, -87.435. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 26Oct 11
EarliestMar 30 (1965)Sep 13 (1964)
LatestMay 27 (1992)Nov 1 (1971)
Trend1.5 days later per decade1.8 days earlier per decade
Years with data4140

At 28°F (hard freeze) the median last spring date is Apr 13 and the median first fall date is Oct 25.

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 1419601970198019901951: Apr 231952: Apr 161953: Apr 211954: May 61955: Apr 81956: Apr 241957: Apr 151958: Apr 301959: Apr 221960: May 131962: Apr 201963: May 231964: Apr 151965: Mar 301966: May 101968: May 61969: Apr 301970: Apr 101971: May 41972: Apr 261973: May 51974: May 71975: Apr 211976: May 81977: Apr 291978: May 31979: May 11980: Apr 261981: May 121982: Apr 281983: Apr 251984: May 161985: Apr 101986: Apr 221987: Apr 101988: May 51989: May 121990: Apr 181991: Apr 221992: May 271996: Apr 14

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 1119601970198019901951: Oct 201952: Oct 31953: Oct 71954: Oct 191955: Oct 141956: Oct 101957: Oct 121958: Oct 11959: Sep 181960: Oct 201961: Oct 151962: Oct 241963: Oct 301964: Sep 131965: Oct 51966: Oct 201967: Oct 121968: Oct 41969: Oct 151970: Oct 161971: Nov 11972: Oct 151973: Oct 291974: Sep 231975: Oct 161976: Oct 161977: Oct 131978: Oct 81979: Oct 101980: Oct 51981: Oct 31982: Oct 171983: Sep 231984: Sep 301985: Oct 21988: Oct 61989: Oct 41990: Oct 111991: Sep 181992: Oct 17

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
1996Apr 14no dataApr 14no data
1992May 27Oct 17Apr 28Oct 17
1991Apr 22Sep 18Apr 2Sep 19
1990Apr 18Oct 11Apr 18Oct 19
1989May 12Oct 4Apr 14Nov 3
1988May 5Oct 6Apr 27Oct 6
1987Apr 10no dataApr 10no data
1986Apr 22no dataApr 22no data
1985Apr 10Oct 2Apr 9Nov 20
1984May 16Sep 30Apr 1Oct 1
1983Apr 25Sep 23Apr 20Nov 4
1982Apr 28Oct 17Apr 11Oct 22
1981May 12Oct 3Mar 25Oct 24
1980Apr 26Oct 5Apr 25Oct 5
1979May 1Oct 10Apr 10Oct 10
1978May 3Oct 8May 3Oct 24
1977Apr 29Oct 13Apr 9Oct 13
1976May 8Oct 16Apr 12Oct 17
1975Apr 21Oct 16Apr 15Nov 14
1974May 7Sep 23Apr 9Oct 21
1973May 5Oct 29Apr 13Nov 4
1972Apr 26Oct 15Apr 9Oct 20
1971May 4Nov 1Apr 30Nov 4
1970Apr 10Oct 16Apr 7Nov 16
1969Apr 30Oct 15Mar 31Oct 23
1968May 6Oct 4May 6Oct 26
1967no dataOct 12no dataNov 4
1966May 10Oct 20May 10Oct 25
1965Mar 30Oct 5Mar 30Oct 29
1964Apr 15Sep 13Apr 9Oct 10
1963May 23Oct 30Apr 14Nov 2
1962Apr 20Oct 24Apr 20Oct 24
1961no dataOct 15no dataNov 4
1960May 13Oct 20Apr 10Oct 20
1959Apr 22Sep 18Apr 11Oct 28
1958Apr 30Oct 1Mar 29Nov 7
1957Apr 15Oct 12Apr 15Nov 6
1956Apr 24Oct 10Apr 24Nov 8
1955Apr 8Oct 14Apr 8Oct 25
1954May 6Oct 19May 5Oct 30
1953Apr 21Oct 7Apr 21Nov 5
1952Apr 16Oct 3Apr 16Oct 3
1951Apr 23Oct 20Mar 26Nov 2

"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.