Last Frost Day

Frost history / Dixon Springs Agric Ctr, IL

Dixon Springs Agric Ctr, IL: frost dates by year

Last spring and first fall frost at NOAA station USC00112353, 1968 to 2025, measured from daily minimum temperatures.

Elevation 527 ft, 37.439, -88.668. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 10Oct 19
EarliestMar 20 (2005)Sep 22 (1983)
LatestMay 9 (2020)Nov 25 (2004)
Trendlittle change (less than half a day per decade)1.9 days later per decade
Years with data4550

At 28°F (hard freeze) the median last spring date is Apr 3 and the median first fall date is Oct 29.

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 1Mar 16Mar 31Apr 15Apr 30May 151970198019902000201020201968: Mar 251969: Apr 301970: Apr 71971: May 41972: Apr 91973: Apr 131974: Apr 91975: Apr 131976: May 91977: Mar 231978: Apr 221979: Apr 61980: Apr 161981: Mar 251982: Apr 111983: Apr 211984: Apr 11985: Apr 91986: Apr 231987: Apr 41988: Apr 201990: Apr 151991: Mar 311992: Apr 281993: Apr 221994: Apr 71995: Apr 51996: Apr 101998: Mar 231999: Mar 272000: Apr 92001: Apr 252002: Apr 52003: Apr 232004: Apr 142005: Mar 202006: Apr 42014: Apr 162015: Apr 52016: Apr 92018: Apr 172020: May 92021: Apr 212024: Apr 222025: Apr 8

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 11Nov 26Dec 111970198019902000201020201968: Oct 231969: Oct 181970: Oct 41971: Nov 41972: Oct 191973: Oct 171974: Oct 31975: Oct 201976: Oct 171977: Oct 121978: Oct 81979: Oct 101980: Oct 51981: Oct 31982: Oct 211983: Sep 221984: Nov 31985: Oct 61986: Nov 101987: Oct 41988: Oct 81989: Oct 201990: Oct 111991: Oct 71992: Oct 191993: Oct 221994: Oct 261995: Oct 251996: Oct 191997: Oct 221998: Oct 231999: Oct 202000: Oct 82001: Oct 172002: Nov 22003: Oct 32004: Nov 252005: Oct 262006: Oct 132007: Oct 292008: Oct 282013: Oct 252014: Nov 12015: Oct 182017: Oct 282018: Oct 212019: Oct 122020: Oct 52024: Oct 172025: Nov 3

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
2025Apr 8Nov 3Mar 21Nov 10
2024Apr 22Oct 17Mar 19Nov 26
2021Apr 21no dataApr 2no data
2020May 9Oct 5Apr 15Nov 2
2019no dataOct 12no dataNov 1
2018Apr 17Oct 21Apr 17Oct 21
2017no dataOct 28no dataOct 31
2016Apr 9no dataMar 6no data
2015Apr 5Oct 18Mar 28Oct 18
2014Apr 16Nov 1Apr 16Nov 2
2013no dataOct 25no dataOct 25
2008no dataOct 28no dataOct 29
2007no dataOct 29no dataNov 7
2006Apr 4Oct 13Mar 26Oct 14
2005Mar 20Oct 26Mar 20Nov 17
2004Apr 14Nov 25Mar 13Dec 2
2003Apr 23Oct 3Mar 31Oct 3
2002Apr 5Nov 2Apr 5Nov 23
2001Apr 25Oct 17Apr 18Oct 28
2000Apr 9Oct 8Apr 5Oct 10
1999Mar 27Oct 20Mar 27Oct 25
1998Mar 23Oct 23Mar 13Nov 12
1997no dataOct 22no dataOct 22
1996Apr 10Oct 19Apr 10Nov 2
1995Apr 5Oct 25Apr 1Nov 4
1994Apr 7Oct 26Apr 7Nov 23
1993Apr 22Oct 22Apr 3Oct 28
1992Apr 28Oct 19Apr 3Oct 19
1991Mar 31Oct 7Mar 31Oct 7
1990Apr 15Oct 11Apr 12Oct 26
1989no dataOct 20no dataNov 1
1988Apr 20Oct 8Mar 19Oct 13
1987Apr 4Oct 4Apr 4Oct 4
1986Apr 23Nov 10Apr 23Nov 13
1985Apr 9Oct 6Apr 9Nov 21
1984Apr 1Nov 3Apr 1Nov 13
1983Apr 21Sep 22Apr 20Nov 6
1982Apr 11Oct 21Apr 10Oct 26
1981Mar 25Oct 3Mar 24Oct 24
1980Apr 16Oct 5Mar 22Oct 26
1979Apr 6Oct 10Apr 6Oct 14
1978Apr 22Oct 8Mar 18Oct 15
1977Mar 23Oct 12Mar 7Oct 13
1976May 9Oct 17Apr 10Oct 28
1975Apr 13Oct 20Apr 12Nov 14
1974Apr 9Oct 3Apr 9Nov 15
1973Apr 13Oct 17Apr 11Nov 6
1972Apr 9Oct 19Apr 9Oct 20
1971May 4Nov 4Apr 7Nov 4
1970Apr 7Oct 4Mar 27Nov 16
1969Apr 30Oct 18Mar 31Oct 28
1968Mar 25Oct 23Mar 24Oct 26

"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.