Logan County, North Dakota · Frost dates
Logan County frost dates.
First-frost, last-frost, and growing-season length for Logan County, North Dakota. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 4a
32°F — light freeze
Last spring frost
- 10%
- 05-26
- 20%
- 05-22
- 50%
- 05-13
- 80%
- 05-05
- 90%
- 05-01
First fall frost
- 10%
- 09-15
- 20%
- 09-19
- 50%
- 09-28
- 80%
- 10-06
- 90%
- 10-11
28°F — killing freeze
Last spring freeze
- 10%
- 05-16
- 20%
- 05-13
- 50%
- 05-04
- 80%
- 04-25
- 90%
- 04-20
First fall freeze
- 10%
- 09-24
- 20%
- 09-29
- 50%
- 10-06
- 80%
- 10-15
- 90%
- 10-20
Growing season length (days, 28°F threshold)
- Short year
- 131
- Median
- 155
- Long year
- 183
Source NOAA station
NAPOLEON, ND US
12.9 mi · 30 yrs of record (1991–2020) · 1980 ft elev.
Data from NAPOLEON, ND US, 12.9 miles away with 30-year NOAA record (1991-2020).
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