Last Frost Day

Frost history / Lagrange, IN

Lagrange, IN: frost dates by year

Last spring and first fall frost at NOAA station USC00124730, 1962 to 2012, measured from daily minimum temperatures.

Elevation 900 ft, 41.648, -85.412. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 4Oct 6
EarliestApr 11 (1985)Sep 13 (1964)
LatestJun 11 (1972)Nov 1 (1971)
Trend4.7 days earlier per decade3.6 days later per decade
Years with data4444

At 28°F (hard freeze) the median last spring date is Apr 23 and the median first fall date is Oct 19.

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 31Apr 15Apr 30May 15May 30Jun 14Jun 29197019801990200020101962: Apr 241963: May 241964: Apr 231965: Apr 291966: Jun 11967: May 231968: May 181969: May 111970: May 61971: May 131972: Jun 111973: May 181974: May 81975: Apr 261976: May 121977: May 111978: May 31979: May 51980: May 91981: May 71983: May 271984: May 161985: Apr 111986: May 31987: May 61988: May 41989: May 71990: Apr 191991: Apr 121992: May 251993: Apr 231994: May 31995: Apr 241996: May 131997: Apr 261998: Apr 281999: Apr 262000: Apr 262001: Apr 202003: Apr 232009: Apr 232010: May 102011: Apr 212012: Apr 13

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 11197019801990200020101962: Sep 201963: Sep 141964: Sep 131965: Oct 41966: Sep 161967: Oct 121968: Oct 51970: Sep 291971: Nov 11972: Oct 91973: Oct 191974: Sep 231975: Oct 21976: Sep 241977: Oct 71978: Oct 171979: Sep 231980: Oct 61981: Sep 231982: Oct 171983: Oct 101984: Oct 11985: Oct 281987: Oct 31988: Oct 61989: Sep 241990: Oct 121991: Sep 211992: Oct 191993: Sep 301994: Oct 111995: Sep 231996: Oct 31997: Oct 211998: Oct 221999: Oct 52000: Oct 92001: Oct 72003: Oct 32008: Oct 222009: Oct 112010: Oct 222011: Oct 282012: Oct 8

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

"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.