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Fall Frost

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Fall Frost Maps indicate the first day of a frost or freeze based on the 1991-2020 climate normals.

First Hard Freeze (28°F)

Map of Climatological Date of Early First Hard Freeze in ND
Sections
Map of Climatological Date of Median Hard First Freeze in ND
Map of Climatological Date of Late First Hard Freeze in ND

First Freeze (32°F)

Map of Climatological Date of Early First Freeze in ND
Map of Climatological Date of Median First Freeze in ND
Map of Climatological Date of Late First Freeze in ND

First Frost (36°F)

Map of Climatological Date of Early First Frost in ND
Map of Climatological Date of Median First Frost in ND
Map of Climatological Date of Late First Frost in ND