Last Frost Day

Frost history / Carmi 3, IL

Carmi 3, IL: frost dates by year

Last spring and first fall frost at NOAA station USC00111302, 1987 to 2023, measured from daily minimum temperatures.

Elevation 335 ft, 38.073, -88.180. Download the data (JSON) · NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 13Oct 19
EarliestMar 22 (2017)Sep 22 (1999)
LatestMay 11 (2021)Nov 9 (2016)
Trend1.2 days later per decade4.3 days later per decade
Years with data3530

At 28°F (hard freeze) the median last spring date is Mar 31 and the median first fall date is Oct 27.

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 3019902000201020201988: Apr 201989: Apr 111990: Apr 181991: Mar 311992: Apr 281993: Apr 221994: Apr 91995: Apr 51996: Apr 101997: Apr 181998: Apr 51999: Mar 282000: Apr 92001: Apr 182002: Apr 52003: Apr 62004: Apr 142005: May 42006: Mar 272007: Apr 132008: Apr 152009: Apr 92010: Mar 302011: Apr 22013: Apr 202014: Apr 162015: Apr 52016: Apr 92017: Mar 222018: Apr 172019: Apr 152020: Apr 172021: May 112022: Apr 192023: Apr 24

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 11Nov 2619902000201020201987: Oct 41988: Oct 121989: Oct 201990: Oct 191991: Oct 71992: Oct 191993: Oct 221994: Oct 251995: Sep 241996: Oct 191997: Oct 181998: Oct 231999: Sep 222000: Oct 72001: Oct 72002: Oct 142004: Oct 32006: Oct 152007: Oct 292009: Oct 182010: Oct 52013: Oct 222014: Nov 12015: Oct 182016: Nov 92017: Oct 292018: Oct 202019: Nov 12020: Oct 42021: Nov 2

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
2023Apr 24no dataMar 21no data
2022Apr 19no dataMar 28no data
2021May 11Nov 2Apr 3Nov 3
2020Apr 17Oct 4Apr 15Nov 1
2019Apr 15Nov 1Apr 1Nov 1
2018Apr 17Oct 20Apr 16Oct 20
2017Mar 22Oct 29Mar 18Oct 30
2016Apr 9Nov 9Mar 7Nov 13
2015Apr 5Oct 18Mar 29Oct 18
2014Apr 16Nov 1Mar 30Nov 2
2013Apr 20Oct 22Apr 3Oct 25
2011Apr 2no dataMar 7no data
2010Mar 30Oct 5Mar 7Oct 29
2009Apr 9Oct 18Mar 30Nov 27
2008Apr 15no dataMar 23no data
2007Apr 13Oct 29Apr 13Nov 7
2006Mar 27Oct 15Mar 27Oct 15
2005May 4no dataMar 20no data
2004Apr 14Oct 3Mar 23Dec 2
2003Apr 6no dataApr 6no data
2002Apr 5Oct 14Apr 5Nov 2
2001Apr 18Oct 7Apr 18Oct 18
2000Apr 9Oct 7Apr 9Oct 9
1999Mar 28Sep 22Mar 27Oct 20
1998Apr 5Oct 23Mar 24Nov 7
1997Apr 18Oct 18Apr 14Oct 22
1996Apr 10Oct 19Apr 10Nov 2
1995Apr 5Sep 24Apr 5Oct 25
1994Apr 9Oct 25Apr 7Oct 27
1993Apr 22Oct 22Mar 18Oct 28
1992Apr 28Oct 19Apr 5Oct 19
1991Mar 31Oct 7Mar 31Oct 16
1990Apr 18Oct 19Apr 12Oct 26
1989Apr 11Oct 20Apr 11Nov 1
1988Apr 20Oct 12Mar 19Oct 12
1987no dataOct 4no dataOct 8

"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 1991–2020 frost probabilities.