Last Frost Day

Frost history / Grand Chain Dam 53, IL

Grand Chain Dam 53, IL: frost dates by year

Last spring and first fall frost at NOAA station USC00113580, 1996 to 2025, measured from daily minimum temperatures.

Elevation 385 ft, 37.204, -89.042. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMar 26Nov 4
EarliestMar 7 (2010)Oct 7 (2000)
LatestApr 21 (2013)Nov 27 (2009)
Trend4.4 days earlier per decade0.7 days earlier per decade
Years with data2220

At 28°F (hard freeze) the median last spring date is Mar 15 and the median first fall date is Nov 20.

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 302000201020201996: Apr 101997: Apr 181998: Mar 141999: Mar 262002: Apr 62003: Mar 312004: Mar 252005: Mar 162006: Mar 262007: Apr 102008: Mar 252009: Mar 142010: Mar 72011: Mar 282013: Apr 212015: Mar 292019: Mar 82021: Apr 22022: Apr 22023: Mar 212024: Mar 202025: Mar 7

First fall frost (32°F)

Sep 27Oct 12Oct 27Nov 11Nov 26Dec 112000201020201996: Nov 21997: Oct 231998: Nov 51999: Nov 32000: Oct 72002: Nov 22003: Nov 82004: Nov 252005: Nov 172007: Nov 72008: Oct 282009: Nov 272010: Nov 62011: Nov 122012: Nov 92020: Nov 22021: Nov 42022: Oct 182024: Oct 172025: Nov 11

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
2025Mar 7Nov 11Mar 7Nov 11
2024Mar 20Oct 17Mar 19Nov 29
2023Mar 21no dataMar 21no data
2022Apr 2Oct 18Mar 13Nov 13
2021Apr 2Nov 4Feb 22Nov 24
2020no dataNov 2no dataNov 3
2019Mar 8no dataMar 7no data
2015Mar 29no dataMar 29no data
2013Apr 21no dataMar 28no data
2012no dataNov 9no dataNov 13
2011Mar 28Nov 12Feb 13Nov 17
2010Mar 7Nov 6Mar 6Nov 26
2009Mar 14Nov 27Mar 5Dec 4
2008Mar 25Oct 28Mar 9Nov 10
2007Apr 10Nov 7Apr 9Nov 24
2006Mar 26no dataMar 23no data
2005Mar 16Nov 17Mar 15Nov 17
2004Mar 25Nov 25Mar 13Dec 15
2003Mar 31Nov 8Mar 11Nov 29
2002Apr 6Nov 2Mar 28Nov 27
2000no dataOct 7no dataOct 8
1999Mar 26Nov 3Mar 17Nov 30
1998Mar 14Nov 5Mar 14Dec 9
1997Apr 18Oct 23Mar 17Nov 16
1996Apr 10Nov 2Apr 7Nov 3

"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.