Last Frost Day

Frost history / Atwood, KS

Atwood, KS: frost dates by year

Last spring and first fall frost at NOAA station USC00140439, 1951 to 2025, measured from daily minimum temperatures.

Elevation 2,893 ft, 39.799, -101.042. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 4Oct 3
EarliestApr 11 (2009)Sep 10 (1959)
LatestJun 6 (1998)Oct 28 (1963)
Trendlittle change (less than half a day per decade)1.1 days later per decade
Years with data7070

At 28°F (hard freeze) the median last spring date is Apr 24 and the median first fall date is Oct 15.

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 1419601970198019902000201020201951: May 71952: May 111953: May 141954: May 31955: Apr 281956: Apr 301957: Apr 141958: Apr 281959: Apr 221960: May 11961: Apr 291962: May 11963: May 221964: May 311965: Apr 281966: May 131967: May 41968: May 171969: Apr 281970: May 21971: May 121972: May 31973: May 151976: May 171977: Apr 251978: May 61979: May 241980: Apr 281981: May 101982: May 61983: May 191984: May 91985: Apr 241988: May 41989: May 71990: May 111991: May 21992: May 311993: Apr 211994: May 21995: May 121996: Apr 301997: May 141998: Jun 61999: May 92000: May 132001: Apr 232002: May 32003: Apr 222004: May 152005: May 32006: May 132007: Apr 272008: May 112009: Apr 112011: May 172012: May 102013: May 72014: May 162015: May 132016: May 32017: May 42018: Apr 282019: May 132020: Apr 222021: Apr 242022: May 22023: May 32024: Apr 222025: May 4

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 1119601970198019902000201020201951: Sep 161952: Oct 21953: Sep 211954: Oct 151955: Oct 71956: Oct 211957: Oct 241958: Sep 271959: Sep 101960: Sep 301961: Sep 151962: Oct 161963: Oct 281964: Sep 271966: Oct 11967: Sep 271968: Oct 61969: Oct 61970: Sep 261971: Sep 191972: Oct 71973: Oct 111975: Sep 221976: Sep 281977: Oct 91978: Sep 211979: Oct 101980: Oct 31981: Sep 171982: Sep 211983: Sep 211984: Sep 251987: Sep 231988: Oct 21989: Sep 231990: Sep 231991: Sep 191992: Oct 91993: Sep 271994: Oct 91995: Sep 211996: Sep 271997: Oct 91998: Oct 81999: Sep 292000: Sep 252001: Oct 62002: Oct 132003: Sep 192004: Oct 142005: Oct 52006: Sep 202007: Oct 222008: Sep 152010: Oct 132011: Sep 242012: Oct 22013: Oct 162014: Oct 42015: Oct 162016: Oct 62017: Oct 112018: Oct 102019: Oct 112020: Oct 32021: Oct 142022: Oct 172023: Oct 72024: Oct 142025: Oct 19

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
2025May 4Oct 19Apr 20Oct 30
2024Apr 22Oct 14Apr 22Nov 6
2023May 3Oct 7Apr 24Oct 7
2022May 2Oct 17Apr 26Oct 17
2021Apr 24Oct 14Apr 22Oct 14
2020Apr 22Oct 3Apr 18Oct 24
2019May 13Oct 11May 3Oct 11
2018Apr 28Oct 10Apr 20Oct 11
2017May 4Oct 11Apr 12Oct 27
2016May 3Oct 6Apr 9Oct 7
2015May 13Oct 16Apr 13Oct 17
2014May 16Oct 4May 2Oct 28
2013May 7Oct 16May 5Oct 16
2012May 10Oct 2Mar 10Oct 7
2011May 17Sep 24Apr 17Oct 20
2010no dataOct 13no dataOct 13
2009Apr 11no dataApr 9no data
2008May 11Sep 15May 3Oct 27
2007Apr 27Oct 22Apr 16Nov 1
2006May 13Sep 20Apr 27Oct 19
2005May 3Oct 5May 2Oct 6
2004May 15Oct 14May 15Oct 26
2003Apr 22Sep 19Apr 10Oct 26
2002May 3Oct 13Apr 26Oct 13
2001Apr 23Oct 6Apr 18Oct 16
2000May 13Sep 25Apr 22Oct 7
1999May 9Sep 29Apr 19Oct 17
1998Jun 6Oct 8May 1Oct 19
1997May 14Oct 9May 10Oct 25
1996Apr 30Sep 27Apr 15Oct 18
1995May 12Sep 21Apr 28Sep 22
1994May 2Oct 9May 1Oct 23
1993Apr 21Sep 27Apr 21Oct 10
1992May 31Oct 9May 28Oct 15
1991May 2Sep 19May 2Oct 6
1990May 11Sep 23Apr 12Sep 23
1989May 7Sep 23May 7Sep 24
1988May 4Oct 2Apr 29Oct 25
1987no dataSep 23no dataOct 8
1985Apr 24no dataApr 8no data
1984May 9Sep 25Apr 30Sep 30
1983May 19Sep 21May 15Sep 22
1982May 6Sep 21Apr 22Oct 11
1981May 10Sep 17May 10Oct 19
1980Apr 28Oct 3Apr 25Oct 11
1979May 24Oct 10May 11Oct 23
1978May 6Sep 21Apr 25Oct 6
1977Apr 25Oct 9Apr 5Oct 11
1976May 17Sep 28May 7Sep 28
1975no dataSep 22no dataOct 1
1973May 15Oct 11Apr 16Oct 27
1972May 3Oct 7Apr 16Oct 24
1971May 12Sep 19Apr 9Oct 29
1970May 2Sep 26Apr 21Oct 9
1969Apr 28Oct 6Apr 28Oct 12
1968May 17Oct 6May 9Oct 6
1967May 4Sep 27May 2Oct 10
1966May 13Oct 1May 13Oct 1
1965Apr 28no dataApr 28no data
1964May 31Sep 27Apr 18Sep 27
1963May 22Oct 28Apr 20Nov 1
1962May 1Oct 16Apr 13Oct 18
1961Apr 29Sep 15Apr 17Oct 19
1960May 1Sep 30Apr 30Oct 19
1959Apr 22Sep 10Apr 22Oct 11
1958Apr 28Sep 27Apr 24Oct 1
1957Apr 14Oct 24Apr 14Oct 25
1956Apr 30Oct 21Apr 29Oct 21
1955Apr 28Oct 7Apr 7Oct 24
1954May 3Oct 15May 3Oct 22
1953May 14Sep 21May 14Oct 4
1952May 11Oct 2May 11Oct 6
1951May 7Sep 16May 7Oct 22

"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.