Bryan 2 Se, OH: frost dates by year

Last spring and first fall frost at NOAA station USC00331042, 2007 to 2025, measured from daily minimum temperatures.

Elevation 730 ft, 41.462, -84.527. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 27	Oct 19
Earliest	Apr 14 (2016)	Sep 24 (2012)
Latest	May 13 (2020)	Oct 28 (2021)
Trend	1.3 days later per decade	2.7 days later per decade
Years with data	19	19

At 28°F (hard freeze) the median last spring date is Apr 12 and the median first fall date is Oct 28.

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 18	Oct 25	Apr 10	Oct 25
2024	Apr 27	Oct 17	Mar 30	Oct 27
2023	Apr 27	Oct 23	Apr 26	Oct 31
2022	Apr 27	Oct 8	Apr 21	Nov 15
2021	May 3	Oct 28	May 1	Nov 3
2020	May 13	Oct 16	May 12	Oct 18
2019	Apr 15	Oct 20	Apr 3	Nov 1
2018	Apr 30	Oct 16	Apr 20	Oct 18
2017	Apr 18	Oct 26	Mar 24	Oct 26
2016	Apr 14	Oct 14	Apr 11	Nov 12
2015	Apr 28	Oct 18	Apr 24	Oct 18
2014	Apr 17	Oct 12	Apr 17	Nov 2
2013	May 13	Oct 22	Apr 21	Oct 28
2012	Apr 27	Sep 24	Apr 12	Nov 5
2011	Apr 21	Oct 22	Apr 4	Oct 22
2010	Apr 28	Oct 22	Apr 10	Oct 22
2009	Apr 23	Oct 1	Apr 12	Oct 18
2008	Apr 30	Oct 19	Apr 30	Oct 30
2007	Apr 16	Oct 28	Apr 11	Oct 29

"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.