Last Frost Day

Frost history / Concordia Muni Ap, KS

Concordia Muni Ap, KS: frost dates by year

Last spring and first fall frost at NOAA station USW00013984, 1962 to 2024, measured from daily minimum temperatures.

Elevation 1,469 ft, 39.551, -97.651. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 20Oct 16
EarliestMar 23 (1981)Sep 22 (1995)
LatestMay 11 (1979)Nov 12 (2021)
Trend0.8 days earlier per decadelittle change (less than half a day per decade)
Years with data6263

At 28°F (hard freeze) the median last spring date is Apr 6 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 301970198019902000201020201963: Apr 231964: Apr 141965: Apr 281966: May 11967: May 21968: Apr 261969: Apr 31970: Apr 211971: Apr 61972: Apr 251973: Apr 111974: Apr 161975: Apr 121976: May 31977: Apr 51978: Apr 211979: May 111980: May 81981: Mar 231982: Apr 221983: Apr 241984: Apr 301985: Apr 81986: Apr 221987: Apr 51988: Apr 271989: May 61990: Apr 281991: Mar 301992: Apr 221993: Apr 161994: May 11995: Apr 271996: Apr 131997: Apr 141998: Apr 171999: Apr 42000: Apr 122001: Apr 172002: Apr 252003: Apr 92004: May 32005: May 22006: Apr 262007: Apr 82008: Apr 272009: Apr 142010: Mar 252011: Apr 162012: Apr 82013: May 32014: Apr 182015: Mar 282016: Apr 122017: Apr 272018: Apr 202019: Apr 142020: Apr 172021: Apr 212022: Apr 262023: Apr 232024: Apr 5

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 11Nov 261970198019902000201020201962: Oct 251963: Oct 291964: Oct 91965: Oct 221966: Oct 151967: Oct 251968: Oct 281969: Oct 141970: Oct 81971: Oct 311972: Oct 181973: Oct 291974: Oct 151975: Oct 181976: Oct 161977: Oct 111978: Oct 161979: Oct 131980: Oct 251981: Oct 221982: Oct 121983: Nov 91984: Sep 261985: Sep 301986: Oct 141987: Oct 201988: Oct 281989: Oct 181990: Oct 101991: Oct 61992: Oct 71993: Oct 101994: Oct 251995: Sep 221996: Oct 181997: Oct 251998: Nov 101999: Oct 42000: Oct 62001: Oct 162002: Oct 132003: Oct 262004: Oct 22005: Oct 72006: Oct 122007: Oct 262008: Oct 262009: Oct 102010: Oct 282011: Oct 192012: Oct 62013: Oct 212014: Oct 292015: Oct 292016: Oct 132017: Oct 112018: Oct 112019: Oct 112020: Oct 242021: Nov 122022: Oct 172023: Oct 272024: Oct 16

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
2024Apr 5Oct 16Mar 27Oct 16
2023Apr 23Oct 27Apr 6Oct 29
2022Apr 26Oct 17Apr 9Oct 18
2021Apr 21Nov 12Apr 1Nov 13
2020Apr 17Oct 24Apr 14Oct 26
2019Apr 14Oct 11Apr 13Oct 28
2018Apr 20Oct 11Apr 15Oct 15
2017Apr 27Oct 11Apr 11Oct 27
2016Apr 12Oct 13Mar 27Nov 12
2015Mar 28Oct 29Mar 26Nov 21
2014Apr 18Oct 29Apr 15Oct 31
2013May 3Oct 21Apr 24Nov 11
2012Apr 8Oct 6Mar 9Oct 7
2011Apr 16Oct 19Mar 30Oct 20
2010Mar 25Oct 28Mar 22Nov 5
2009Apr 14Oct 10Apr 7Oct 10
2008Apr 27Oct 26Apr 14Oct 27
2007Apr 8Oct 26Apr 8Nov 3
2006Apr 26Oct 12Mar 28Oct 19
2005May 2Oct 7May 2Oct 24
2004May 3Oct 2Apr 11Nov 3
2003Apr 9Oct 26Apr 9Oct 26
2002Apr 25Oct 13Apr 4Oct 31
2001Apr 17Oct 16Mar 26Nov 20
2000Apr 12Oct 6Apr 12Oct 7
1999Apr 4Oct 4Apr 4Nov 2
1998Apr 17Nov 10Mar 21Dec 7
1997Apr 14Oct 25Apr 13Oct 26
1996Apr 13Oct 18Apr 13Oct 31
1995Apr 27Sep 22Apr 4Oct 21
1994May 1Oct 25Apr 6Oct 25
1993Apr 16Oct 10Apr 2Oct 27
1992Apr 22Oct 7Apr 1Nov 5
1991Mar 30Oct 6Mar 30Oct 6
1990Apr 28Oct 10Apr 11Nov 5
1989May 6Oct 18Apr 11Oct 19
1988Apr 27Oct 28Mar 19Oct 28
1987Apr 5Oct 20Apr 4Oct 21
1986Apr 22Oct 14Apr 14Nov 9
1985Apr 8Sep 30Apr 8Nov 10
1984Apr 30Sep 26Mar 20Nov 1
1983Apr 24Nov 9Apr 15Nov 10
1982Apr 22Oct 12Apr 9Oct 20
1981Mar 23Oct 22Mar 20Oct 23
1980May 8Oct 25Apr 14Oct 26
1979May 11Oct 13Apr 9Nov 2
1978Apr 21Oct 16Apr 21Nov 14
1977Apr 5Oct 11Mar 31Nov 10
1976May 3Oct 16Mar 22Oct 17
1975Apr 12Oct 18Apr 12Oct 25
1974Apr 16Oct 15Apr 5Nov 5
1973Apr 11Oct 29Apr 10Nov 3
1972Apr 25Oct 18Apr 8Oct 18
1971Apr 6Oct 31Apr 6Nov 6
1970Apr 21Oct 8Apr 4Nov 5
1969Apr 3Oct 14Mar 30Oct 27
1968Apr 26Oct 28Apr 5Nov 10
1967May 2Oct 25May 2Nov 3
1966May 1Oct 15Apr 21Oct 16
1965Apr 28Oct 22Mar 30Nov 8
1964Apr 14Oct 9Apr 8Oct 9
1963Apr 23Oct 29Apr 4Nov 12
1962no dataOct 25no dataOct 25

"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.