Last Frost Day

Frost history / Lawrence Muni Ap, KS

Lawrence Muni Ap, KS: frost dates by year

Last spring and first fall frost at NOAA station USW00003997, 1996 to 2024, measured from daily minimum temperatures.

Elevation 832 ft, 39.008, -95.212. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 20Oct 15
EarliestMar 29 (2010)Sep 14 (2007)
LatestMay 16 (2014)Nov 11 (1998)
Trend0.8 days later per decade1.8 days earlier per decade
Years with data2829

At 28°F (hard freeze) the median last spring date is Apr 10 and the median first fall date is Oct 26.

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 302000201020201997: May 131998: Apr 181999: Apr 182000: Apr 122001: Apr 182002: Apr 252003: Apr 102004: May 32005: May 32006: Apr 92007: Apr 152008: May 42009: Apr 142010: Mar 292011: May 32012: Apr 212013: May 122014: May 162015: Apr 102016: Apr 142017: Apr 72018: Apr 202019: Apr 132020: May 92021: Apr 222022: Apr 262023: May 32024: Apr 21

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 11Nov 262000201020201996: Oct 311997: Oct 261998: Nov 111999: Oct 42000: Oct 62001: Oct 162002: Oct 72003: Oct 262004: Nov 42005: Oct 252006: Oct 122007: Sep 142008: Oct 252009: Oct 72010: Oct 42011: Oct 12012: Sep 232013: Oct 192014: Oct 292015: Oct 252016: Nov 92017: Oct 252018: Oct 152019: Oct 112020: Oct 152021: Oct 302022: Oct 82023: Oct 72024: Oct 14

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 21Oct 14Apr 5Oct 16
2023May 3Oct 7Apr 23Oct 30
2022Apr 26Oct 8Apr 19Oct 17
2021Apr 22Oct 30Apr 22Nov 3
2020May 9Oct 15Apr 14Oct 16
2019Apr 13Oct 11Apr 13Oct 12
2018Apr 20Oct 15Apr 10Oct 15
2017Apr 7Oct 25Mar 15Oct 28
2016Apr 14Nov 9Apr 12Nov 12
2015Apr 10Oct 25Apr 4Oct 29
2014May 16Oct 29Apr 15Oct 31
2013May 12Oct 19Apr 24Oct 24
2012Apr 21Sep 23Mar 10Oct 5
2011May 3Oct 1Apr 5Oct 20
2010Mar 29Oct 4Mar 29Oct 29
2009Apr 14Oct 7Apr 7Nov 5
2008May 4Oct 25Apr 14Oct 27
2007Apr 15Sep 14Apr 9Sep 14
2006Apr 9Oct 12Mar 26Oct 12
2005May 3Oct 25May 3Oct 25
2004May 3Nov 4Apr 11Nov 5
2003Apr 10Oct 26Apr 10Oct 26
2002Apr 25Oct 7Apr 5Oct 16
2001Apr 18Oct 16Apr 1Oct 27
2000Apr 12Oct 6Apr 4Oct 7
1999Apr 18Oct 4Mar 26Oct 18
1998Apr 18Nov 11Mar 21Nov 20
1997May 13Oct 26Apr 14Oct 27
1996no dataOct 31no dataOct 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.