Durand Wwtp, MI: frost dates by year

Last spring and first fall frost at NOAA station USC00202328, 2004 to 2025, measured from daily minimum temperatures.

Elevation 770 ft, 42.927, -83.989. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	May 4	Oct 15
Earliest	Apr 19 (2011)	Sep 19 (2014)
Latest	May 28 (2008)	Oct 26 (2025)
Trend	2.3 days earlier per decade	6.7 days later per decade
Years with data	19	18

At 28°F (hard freeze) the median last spring date is Apr 20 and the median first fall date is Oct 27.

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	May 9	Oct 26	Apr 13	Oct 27
2024	Apr 26	Oct 17	Apr 25	Oct 27
2023	no data	Oct 23	no data	Oct 31
2022	no data	Oct 8	no data	Nov 8
2020	May 14	Oct 16	May 14	Nov 2
2019	Apr 27	no data	Apr 4	no data
2018	May 1	Oct 16	Apr 20	Oct 18
2017	May 9	Oct 26	May 3	Oct 26
2016	May 16	Oct 9	Apr 27	Oct 25
2015	Apr 28	Oct 17	Apr 26	Oct 18
2014	Apr 27	Sep 19	Apr 17	Oct 19
2013	May 13	no data	Apr 22	no data
2012	Apr 29	Oct 8	Apr 29	Nov 3
2011	Apr 19	Oct 22	Apr 19	Oct 28
2010	May 10	Oct 22	Apr 10	Nov 1
2009	May 18	Oct 1	Apr 13	Oct 11
2008	May 28	Oct 4	Apr 30	Oct 22
2007	May 13	Oct 14	Apr 15	Nov 2
2006	Apr 28	Oct 6	Apr 9	Oct 13
2005	May 4	no data	May 4	no data
2004	May 4	Oct 5	Apr 6	Oct 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.