Lidgerwood, ND: frost dates by year

Last spring and first fall frost at NOAA station USC00325186, 2001 to 2022, measured from daily minimum temperatures.

Elevation 1,125 ft, 46.072, -97.146. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	May 10	Oct 11
Earliest	Apr 17 (2012)	Sep 23 (2012)
Latest	May 24 (2002)	Oct 27 (2007)
Trend	1.6 days earlier per decade	1.0 days earlier per decade
Years with data	18	18

At 28°F (hard freeze) the median last spring date is Apr 24 and the median first fall date is Oct 19.

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
2022	Apr 29	no data	Apr 28	no data
2021	May 11	Oct 21	Apr 25	Oct 22
2020	May 13	Oct 4	May 13	Oct 18
2019	May 8	Oct 11	Apr 15	Oct 15
2018	Apr 29	Sep 29	Apr 17	Oct 4
2017	Apr 30	Oct 10	Apr 30	Oct 27
2016	May 15	Oct 7	Apr 14	Oct 24
2015	May 18	Oct 16	Apr 24	Oct 16
2014	May 16	Oct 4	Apr 23	Oct 10
2013	May 13	Oct 16	May 4	Oct 22
2012	Apr 17	Sep 23	Apr 12	Oct 6
2011	May 3	Oct 19	May 2	Oct 19
2010	Apr 18	Oct 21	Apr 9	Oct 28
2008	May 12	Oct 17	Apr 29	Oct 28
2007	no data	Oct 27	no data	Oct 28
2006	Apr 26	Oct 11	Apr 9	Oct 11
2005	May 4	Oct 6	May 4	Oct 24
2004	May 15	no data	Apr 23	no data
2002	May 24	Oct 9	May 3	Oct 16
2001	no data	Oct 5	no data	Oct 6

"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.