Last Frost Day

Frost history / Eau Claire 4 Ne, MI

Eau Claire 4 Ne, MI: frost dates by year

Last spring and first fall frost at NOAA station USC00202445, 1951 to 2013, measured from daily minimum temperatures.

Elevation 840 ft, 42.015, -86.243. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 27Oct 23
EarliestApr 8 (1955)Sep 27 (1957)
LatestMay 29 (1966)Nov 12 (2009)
Trend1.2 days earlier per decade1.3 days later per decade
Years with data6162

At 28°F (hard freeze) the median last spring date is Apr 13 and the median first fall date is Nov 5.

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 141960197019801990200020101951: Apr 201952: Apr 161953: Apr 271954: May 41955: Apr 81956: May 161957: May 51958: May 91959: Apr 221960: Apr 181961: May 21962: Apr 201963: May 231964: Apr 241965: Apr 291966: May 291967: May 31968: May 61969: Apr 241970: May 61971: May 31972: Apr 261973: May 171974: May 71975: Apr 211976: May 71977: May 101978: May 31979: May 51980: Apr 261981: Apr 211982: Apr 271983: May 91984: Apr 171985: Apr 101987: Apr 91988: Apr 211989: May 71990: May 101991: Apr 111992: May 251993: Apr 211994: Apr 221995: Apr 151996: May 141998: Apr 271999: Apr 242000: Apr 122001: Apr 182002: Apr 272003: Apr 232004: May 32005: May 42006: Apr 262007: Apr 162008: Apr 302009: Apr 122010: Apr 92011: Apr 182012: Apr 272013: May 13

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 11Nov 261960197019801990200020101951: Oct 121952: Oct 61953: Oct 71954: Oct 71955: Oct 221956: Oct 101957: Sep 271958: Oct 291959: Oct 291960: Oct 201961: Oct 271962: Oct 231963: Nov 31964: Oct 71965: Oct 41966: Oct 251967: Oct 271968: Oct 301969: Oct 231970: Nov 11971: Nov 51972: Oct 181973: Nov 51974: Oct 21975: Oct 301976: Oct 171977: Oct 71978: Oct 171979: Oct 141980: Oct 271981: Oct 31982: Oct 171983: Nov 41984: Nov 21985: Nov 81986: Nov 31987: Oct 121988: Oct 121989: Oct 91990: Oct 231991: Oct 161992: Oct 201993: Oct 131994: Nov 101995: Nov 31996: Oct 111997: Oct 231998: Nov 31999: Oct 242000: Oct 82001: Oct 282002: Oct 142003: Oct 22004: Oct 52005: Oct 272006: Oct 122008: Oct 212009: Nov 122010: Nov 12011: Nov 42012: Oct 282013: Oct 24

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
2013May 13Oct 24Apr 21Nov 12
2012Apr 27Oct 28Mar 10Nov 5
2011Apr 18Nov 4Apr 1Nov 18
2010Apr 9Nov 1Mar 26Nov 6
2009Apr 12Nov 12Mar 30Nov 28
2008Apr 30Oct 21Apr 2Nov 11
2007Apr 16no dataApr 15no data
2006Apr 26Oct 12Apr 9Nov 2
2005May 4Oct 27Mar 24Nov 16
2004May 3Oct 5Apr 12Nov 12
2003Apr 23Oct 2Apr 23Nov 8
2002Apr 27Oct 14Apr 23Nov 3
2001Apr 18Oct 28Apr 17Oct 28
2000Apr 12Oct 8Apr 9Nov 15
1999Apr 24Oct 24Mar 27Nov 15
1998Apr 27Nov 3Apr 6Nov 3
1997no dataOct 23no dataNov 12
1996May 14Oct 11Apr 14Nov 3
1995Apr 15Nov 3Apr 5Nov 4
1994Apr 22Nov 10Apr 7Nov 22
1993Apr 21Oct 13Apr 4Oct 13
1992May 25Oct 20Apr 13Nov 14
1991Apr 11Oct 16Apr 11Nov 2
1990May 10Oct 23Apr 18Nov 8
1989May 7Oct 9May 7Nov 3
1988Apr 21Oct 12Apr 21Oct 30
1987Apr 9Oct 12Apr 9Nov 10
1986no dataNov 3no dataNov 10
1985Apr 10Nov 8Apr 10Nov 20
1984Apr 17Nov 2Apr 7Nov 2
1983May 9Nov 4Apr 20Nov 4
1982Apr 27Oct 17Apr 12Nov 4
1981Apr 21Oct 3Apr 6Oct 24
1980Apr 26Oct 27Apr 24Oct 30
1979May 5Oct 14Apr 29Nov 9
1978May 3Oct 17May 1Nov 16
1977May 10Oct 7Apr 9Nov 12
1976May 7Oct 17Apr 28Oct 18
1975Apr 21Oct 30Apr 13Nov 15
1974May 7Oct 2Apr 24Oct 19
1973May 17Nov 5Apr 13Nov 9
1972Apr 26Oct 18Apr 25Oct 19
1971May 3Nov 5Apr 24Nov 7
1970May 6Nov 1May 6Nov 15
1969Apr 24Oct 23Apr 1Oct 24
1968May 6Oct 30Apr 6Nov 11
1967May 3Oct 27Apr 25Nov 6
1966May 29Oct 25May 10Oct 30
1965Apr 29Oct 4Apr 3Oct 29
1964Apr 24Oct 7Apr 9Nov 20
1963May 23Nov 3May 1Nov 24
1962Apr 20Oct 23Apr 20Oct 25
1961May 2Oct 27Apr 16Nov 4
1960Apr 18Oct 20Apr 10Oct 25
1959Apr 22Oct 29Apr 21Nov 3
1958May 9Oct 29Apr 26Nov 25
1957May 5Sep 27Apr 15Oct 26
1956May 16Oct 10Apr 23Nov 9
1955Apr 8Oct 22Apr 8Oct 25
1954May 4Oct 7Apr 9Nov 1
1953Apr 27Oct 7Apr 19Nov 5
1952Apr 16Oct 6Apr 11Oct 20
1951Apr 20Oct 12Mar 26Oct 31

"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.