Anderson 3W, MO: frost dates by year

Last spring and first fall frost at NOAA station USC00230163, 2008 to 2025, measured from daily minimum temperatures.

Elevation 1,117 ft, 36.645, -94.486. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 19	Oct 29
Earliest	Mar 11 (2012)	Oct 12 (2019)
Latest	May 6 (2013)	Nov 13 (2016)
Trend	2.6 days later per decade	0.8 days later per decade
Years with data	17	16

At 28°F (hard freeze) the median last spring date is Apr 5 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)

First fall frost (32°F)

Dots are single years. The gray line is the median, the green line the fitted trend.

Year by year

Year	Last spring 32°F	First fall 32°F	Last spring 28°F	First fall 28°F
2025	Apr 8	Oct 31	Apr 7	Nov 2
2024	Apr 22	no data	Mar 29	no data
2023	Apr 24	Oct 30	Mar 20	Oct 30
2022	Apr 19	Oct 18	Apr 14	Oct 18
2021	Apr 22	Nov 5	Apr 21	Nov 13
2020	Apr 19	Oct 16	Apr 18	Nov 2
2019	Apr 13	Oct 12	Apr 1	Oct 31
2018	Apr 20	Nov 10	Apr 17	Nov 10
2017	Apr 9	Oct 25	Mar 16	Oct 28
2016	Apr 3	Nov 13	Apr 3	Nov 19
2015	Apr 5	Nov 8	Apr 5	Nov 13
2014	May 3	Nov 1	Apr 16	Nov 2
2013	May 6	Oct 26	Mar 28	Nov 8
2012	Mar 11	no data	Mar 11	no data
2011	May 4	Oct 19	Apr 6	Oct 20
2010	Apr 9	Oct 30	Mar 30	Oct 30
2009	Apr 15	Oct 19	Apr 12	Nov 27
2008	no data	Oct 28	no data	Oct 28

"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.