Last Frost Day

Frost history / Pomme De Terre Dam, MO

Pomme De Terre Dam, MO: frost dates by year

Last spring and first fall frost at NOAA station USC00236777, 1962 to 2025, measured from daily minimum temperatures.

Elevation 907 ft, 37.905, -93.317. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 14Oct 21
EarliestMar 10 (2012)Sep 23 (1983)
LatestMay 4 (2013)Nov 12 (2016)
Trend0.6 days earlier per decade1.6 days later per decade
Years with data3841

At 28°F (hard freeze) the median last spring date is Apr 1 and the median first fall date is Nov 2.

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 151970198019902000201020201962: Apr 161963: Mar 231965: Apr 161966: Apr 211967: Apr 271968: Apr 51969: Mar 311970: Apr 51971: May 31972: Apr 91973: Apr 281975: Apr 121978: May 21979: Apr 71980: Apr 151981: Mar 251982: Apr 221983: Apr 191985: Apr 91986: Apr 221987: Apr 62007: Apr 162009: Apr 152010: Mar 292011: Apr 12012: Mar 102013: May 42015: Apr 42016: Apr 122017: Mar 152018: Apr 212019: Apr 12020: Apr 192021: Apr 232022: Apr 202023: Apr 252024: Apr 62025: Apr 9

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 11Nov 261970198019902000201020201962: Oct 241963: Oct 291965: Oct 121966: Oct 161967: Oct 281968: Oct 41969: Oct 141970: Oct 161971: Oct 311972: Oct 191973: Nov 31974: Nov 51976: Oct 161977: Oct 161980: Oct 121981: Oct 81983: Sep 231984: Sep 301985: Oct 11986: Nov 101987: Oct 31989: Sep 241993: Oct 101996: Oct 312007: Oct 282008: Oct 272010: Oct 292011: Oct 212012: Oct 72013: Oct 242015: Oct 262016: Nov 122017: Oct 282018: Oct 162019: Oct 312020: Oct 272021: Nov 42022: Oct 182023: Oct 302024: Oct 162025: Nov 1

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
2025Apr 9Nov 1Apr 8Nov 10
2024Apr 6Oct 16Mar 28Oct 16
2023Apr 25Oct 30Mar 30Nov 1
2022Apr 20Oct 18Apr 2Oct 18
2021Apr 23Nov 4Apr 23Nov 14
2020Apr 19Oct 27Mar 22Nov 30
2019Apr 1Oct 31Mar 17Oct 31
2018Apr 21Oct 16Apr 8Nov 10
2017Mar 15Oct 28Mar 15Oct 29
2016Apr 12Nov 12Mar 4Nov 19
2015Apr 4Oct 26Mar 7Nov 9
2013May 4Oct 24Apr 3Oct 25
2012Mar 10Oct 7Mar 10Oct 27
2011Apr 1Oct 21Mar 27Nov 17
2010Mar 29Oct 29Mar 6Nov 6
2009Apr 15no dataApr 11no data
2008no dataOct 27no dataOct 28
2007Apr 16Oct 28Apr 9Nov 7
1996no dataOct 31no dataNov 3
1993no dataOct 10no dataOct 31
1989no dataSep 24no dataOct 20
1987Apr 6Oct 3Apr 5Oct 21
1986Apr 22Nov 10Mar 22Nov 10
1985Apr 9Oct 1Apr 9Nov 20
1984no dataSep 30no dataNov 2
1983Apr 19Sep 23Mar 23Nov 16
1982Apr 22no dataApr 9no data
1981Mar 25Oct 8Mar 25Oct 24
1980Apr 15Oct 12Mar 22Oct 26
1979Apr 7no dataApr 6no data
1978May 2no dataMar 29no data
1977no dataOct 16no dataNov 12
1976no dataOct 16no dataOct 17
1975Apr 12no dataApr 5no data
1974no dataNov 5no dataNov 14
1973Apr 28Nov 3Apr 11Nov 6
1972Apr 9Oct 19Apr 8Oct 19
1971May 3Oct 31Apr 3Nov 7
1970Apr 5Oct 16Apr 5Nov 15
1969Mar 31Oct 14Mar 31Oct 28
1968Apr 5Oct 4Mar 24Oct 25
1967Apr 27Oct 28Apr 24Oct 28
1966Apr 21Oct 16Apr 21Oct 16
1965Apr 16Oct 12Mar 31Nov 17
1963Mar 23Oct 29Mar 22Nov 2
1962Apr 16Oct 24Apr 16Nov 5

"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.