According to this DMI temperature plot, the high Arctic has dropped below freezing about two weeks early

Weather/Climate details anyone?

Watts Up With That?

The daily mean temp 80 -90 degrees North has remained below climatological normal for more than 120 days, and has now dropped below freezing 

Normally, we don’t see this sort of drop until early to mid September. I’m surprised to see this sharp drop today:


See this magnified view: 

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