Last Frost Day

Frost history / Lees Summit Reed Wr, MO

Lees Summit Reed Wr, MO: frost dates by year

Last spring and first fall frost at NOAA station USC00234850, 1962 to 2010, measured from daily minimum temperatures.

Elevation 1,000 ft, 38.880, -94.336. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 12Oct 20
EarliestMar 22 (1963)Sep 15 (1993)
LatestMay 29 (1992)Nov 12 (2004)
Trend0.9 days earlier per decadelittle change (less than half a day per decade)
Years with data4647

At 28°F (hard freeze) the median last spring date is Apr 4 and the median first fall date is Oct 28.

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 30Jun 14197019801990200020101963: Mar 221964: Apr 91965: Apr 281966: Apr 211967: Apr 241968: Apr 241969: Mar 311970: Apr 201971: Apr 51972: Apr 91974: Apr 151975: Apr 121976: May 31977: Apr 61978: Mar 271979: Apr 101980: Apr 141981: Apr 51982: Apr 211983: Apr 191984: Apr 11985: Apr 91986: Apr 221987: Apr 51989: Apr 131990: Apr 301991: May 61992: May 291993: Apr 221994: Apr 81995: Apr 51996: Apr 151997: Apr 171998: Mar 241999: Mar 262000: Apr 162001: Apr 12002: Apr 52003: Apr 102004: Apr 132005: May 22006: Mar 262007: Apr 152008: Apr 142009: Apr 82010: Mar 26

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 11Nov 26197019801990200020101962: Oct 241963: Oct 291964: Oct 91965: Oct 241966: Oct 161967: Oct 271968: Oct 251969: Oct 141971: Nov 31972: Oct 191973: Oct 291974: Nov 61975: Oct 251976: Oct 81977: Oct 91978: Oct 141979: Oct 131980: Oct 251981: Oct 231982: Oct 201983: Sep 231984: Sep 261985: Oct 11986: Nov 91987: Oct 31988: Oct 51989: Sep 241990: Oct 101991: Sep 201992: Sep 291993: Sep 151994: Oct 251995: Sep 221996: Oct 221997: Oct 261998: Nov 61999: Oct 182000: Oct 72001: Oct 272002: Nov 12003: Oct 262004: Nov 122005: Oct 252006: Oct 132007: Nov 12008: Oct 272009: Oct 18

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

"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.