The first table on
the right gives the prevailing wind direction for each
of the winter months, and the overall prevailing winter
wind direction, 320° or NW.
See
a degrees vs. cardinal direction table.
The second table on
the right gives the potential snow transport (Qupot).
The direction of greatest snow transport is 320°,
or NW.
The prevailing wind direction
in this case is therefore 320°, or NW.