Last Frost Day

Frost history / Leoti, KS

Leoti, KS: frost dates by year

Last spring and first fall frost at NOAA station USC00144665, 1951 to 2017, measured from daily minimum temperatures.

Elevation 3,309 ft, 38.490, -101.367. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 30Oct 9
EarliestApr 5 (1977)Sep 19 (1971)
LatestJun 6 (1998)Oct 28 (1988)
Trendlittle change (less than half a day per decade)1.0 days earlier per decade
Years with data5052

At 28°F (hard freeze) the median last spring date is Apr 18 and the median first fall date is Oct 18.

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 231952: May 111953: May 141954: May 41955: Apr 281956: Apr 301957: Apr 141958: Apr 281959: Apr 221960: Apr 301961: Apr 281962: May 11963: Apr 301964: Apr 181965: May 91966: May 131967: May 41968: Apr 241969: Apr 281970: May 21971: May 121972: May 31973: May 31974: Apr 161977: Apr 51978: May 41979: May 111980: May 131983: May 161984: Apr 301985: Apr 91986: Apr 281987: Apr 221988: Apr 271990: May 101991: May 51992: May 261993: May 31994: May 11995: Apr 281996: May 11997: May 91998: Jun 61999: May 82001: Apr 222002: Apr 282003: Apr 202005: May 32007: Apr 272009: Apr 12

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 111960197019801990200020101951: Oct 71952: Oct 71953: Oct 41954: Oct 151955: Oct 241956: Oct 261957: Oct 241958: Oct 11959: Sep 301960: Oct 191961: Sep 251962: Oct 241963: Oct 281964: Oct 51965: Oct 211966: Oct 11967: Oct 101968: Oct 181969: Oct 121970: Sep 261971: Sep 191972: Oct 191976: Sep 281977: Oct 111978: Sep 211979: Oct 41980: Oct 111982: Oct 111983: Sep 211984: Sep 281985: Sep 261986: Oct 121987: Oct 111988: Oct 281990: Oct 91991: Oct 51992: Oct 81993: Oct 91994: Oct 191995: Sep 211996: Oct 181997: Oct 221998: Oct 71999: Sep 292000: Sep 252001: Oct 52002: Oct 122003: Sep 302004: Oct 132006: Oct 132009: Oct 22017: Oct 10

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
2017no dataOct 10no dataOct 15
2009Apr 12Oct 2Apr 11Oct 10
2007Apr 27no dataApr 15no data
2006no dataOct 13no dataOct 19
2005May 3no dataMay 3no data
2004no dataOct 13no dataOct 30
2003Apr 20Sep 30Apr 9Oct 25
2002Apr 28Oct 12Apr 25Oct 15
2001Apr 22Oct 5Apr 17Oct 5
2000no dataSep 25no dataSep 25
1999May 8Sep 29Apr 18Oct 17
1998Jun 6Oct 7Apr 22Oct 22
1997May 9Oct 22Apr 15Oct 25
1996May 1Oct 18May 1Oct 18
1995Apr 28Sep 21Apr 27Sep 22
1994May 1Oct 19Apr 29Oct 25
1993May 3Oct 9Apr 22Oct 21
1992May 26Oct 8Apr 2Oct 15
1991May 5Oct 5May 2Oct 5
1990May 10Oct 9Apr 12Oct 9
1988Apr 27Oct 28Apr 27Oct 28
1987Apr 22Oct 11Apr 3Oct 20
1986Apr 28Oct 12Apr 16Oct 12
1985Apr 9Sep 26Apr 9Sep 29
1984Apr 30Sep 28Apr 28Sep 30
1983May 16Sep 21Apr 17Sep 21
1982no dataOct 11no dataOct 20
1980May 13Oct 11Apr 14Oct 17
1979May 11Oct 4May 11Nov 1
1978May 4Sep 21Apr 25Oct 6
1977Apr 5Oct 11Apr 5Oct 11
1976no dataSep 28no dataOct 16
1974Apr 16no dataApr 16no data
1973May 3no dataApr 16no data
1972May 3Oct 19Apr 5Oct 19
1971May 12Sep 19Apr 7Oct 29
1970May 2Sep 26Apr 23Oct 8
1969Apr 28Oct 12Apr 28Oct 12
1968Apr 24Oct 18Apr 24Oct 18
1967May 4Oct 10May 2Oct 18
1966May 13Oct 1May 13Oct 15
1965May 9Oct 21Apr 28Nov 4
1964Apr 18Oct 5Apr 8Oct 19
1963Apr 30Oct 28Apr 23Nov 1
1962May 1Oct 24Apr 3Nov 2
1961Apr 28Sep 25Apr 15Oct 19
1960Apr 30Oct 19Apr 30Oct 31
1959Apr 22Sep 30Apr 22Oct 17
1958Apr 28Oct 1Apr 24Oct 10
1957Apr 14Oct 24Apr 14Oct 24
1956Apr 30Oct 26Apr 29Oct 31
1955Apr 28Oct 24Apr 5Oct 24
1954May 4Oct 15Apr 4Oct 22
1953May 14Oct 4May 14Nov 8
1952May 11Oct 7Apr 14Oct 7
1951Apr 23Oct 7Apr 16Oct 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.