Antlers 5NW, OK: frost dates by year

Last spring and first fall frost at NOAA station USC00340257, 2011 to 2025, measured from daily minimum temperatures.

Elevation 578 ft, 34.225, -95.701. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 4	Oct 30
Earliest	Mar 7 (2015)	Oct 8 (2012)
Latest	Apr 25 (2013)	Nov 19 (2016)
Trend	1.3 days later per decade	0.8 days earlier per decade
Years with data	14	15

At 28°F (hard freeze) the median last spring date is Mar 19 and the median first fall date is Nov 10.

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	Mar 21	Oct 31	Mar 6	Nov 10
2024	Mar 27	Oct 17	Mar 19	Nov 21
2023	Mar 20	Oct 30	Mar 20	Oct 31
2022	Apr 14	Oct 18	Apr 9	Oct 18
2021	Apr 21	Nov 6	Apr 21	Nov 13
2020	Apr 15	Oct 30	Feb 28	Nov 16
2019	Apr 12	Oct 12	Mar 17	Oct 31
2018	Apr 16	Nov 9	Apr 16	Nov 10
2017	Mar 14	Oct 27	Mar 14	Oct 28
2016	Mar 28	Nov 19	Mar 21	Nov 19
2015	Mar 7	Nov 13	Mar 7	Nov 21
2014	Apr 16	Nov 1	Apr 15	Nov 1
2013	Apr 25	Nov 3	Mar 27	Nov 12
2012	Mar 10	Oct 8	Mar 4	Oct 28
2011	no data	Oct 20	no data	Oct 20

"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.