Last Frost Day

Frost history / West Plains Muni Ap, MO

West Plains Muni Ap, MO: frost dates by year

Last spring and first fall frost at NOAA station USW00053901, 1997 to 2024, measured from daily minimum temperatures.

Elevation 1,223 ft, 36.878, -91.903. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 10Oct 23
EarliestMar 15 (2017)Oct 7 (2000)
LatestMay 16 (1997)Nov 13 (2003)
Trendlittle change (less than half a day per decade)1.0 days later per decade
Years with data2828

At 28°F (hard freeze) the median last spring date is Mar 21 and the median first fall date is Nov 4.

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 1Mar 16Mar 31Apr 15Apr 30May 15May 302000201020201997: May 161998: Mar 221999: Mar 272000: Apr 92001: Apr 182002: Apr 52003: Apr 102004: Apr 22005: Apr 242006: Apr 92007: Apr 92008: Apr 292009: Apr 152010: Mar 262011: Apr 52012: Apr 122013: Apr 252014: Apr 152015: Apr 52016: Mar 292017: Mar 152018: Apr 202019: Apr 22020: Apr 182021: Apr 222022: Apr 142023: Apr 242024: Apr 5

First fall frost (32°F)

Sep 27Oct 12Oct 27Nov 11Nov 262000201020201997: Oct 181998: Oct 231999: Oct 242000: Oct 72001: Oct 162002: Oct 142003: Nov 132004: Nov 52005: Oct 252006: Oct 132007: Oct 292008: Oct 272009: Oct 172010: Oct 292011: Oct 212012: Oct 72013: Oct 252014: Oct 312015: Oct 302016: Nov 122017: Oct 272018: Oct 212019: Oct 122020: Oct 162021: Nov 32022: Oct 182023: Oct 302024: 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 19Nov 26
2023Apr 24Oct 30Mar 20Oct 31
2022Apr 14Oct 18Apr 1Oct 19
2021Apr 22Nov 3Apr 21Nov 5
2020Apr 18Oct 16Mar 7Nov 2
2019Apr 2Oct 12Mar 16Oct 31
2018Apr 20Oct 21Apr 9Nov 10
2017Mar 15Oct 27Mar 15Oct 28
2016Mar 29Nov 12Mar 21Nov 13
2015Apr 5Oct 30Mar 6Nov 21
2014Apr 15Oct 31Apr 15Nov 1
2013Apr 25Oct 25Mar 27Oct 25
2012Apr 12Oct 7Mar 4Nov 12
2011Apr 5Oct 21Mar 11Nov 30
2010Mar 26Oct 29Mar 6Nov 6
2009Apr 15Oct 17Mar 13Nov 27
2008Apr 29Oct 27Mar 24Oct 28
2007Apr 9Oct 29Apr 9Nov 2
2006Apr 9Oct 13Mar 26Oct 24
2005Apr 24Oct 25Mar 20Nov 16
2004Apr 2Nov 5Mar 17Nov 25
2003Apr 10Nov 13Mar 30Nov 23
2002Apr 5Oct 14Apr 5Nov 16
2001Apr 18Oct 16Mar 27Oct 27
2000Apr 9Oct 7Mar 12Oct 10
1999Mar 27Oct 24Mar 27Oct 24
1998Mar 22Oct 23Mar 13Nov 6
1997May 16Oct 18Apr 14Nov 4

"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.