Convert wind direction in degrees to Cardinal direction.
This change node converts a payload containing the wind direction in degrees (0-360) to Cardinal directions:
https://en.wikipedia.org/wiki/Cardinal_direction
Useful to convert the output of weather API's into human readable form.
Creates a flow variable "directions" containing an array of Cardinal points:
["N","NNE","NE","ENE","E","ESE","SE","SSE","S","SSW","SW","WSW","W","WNW","NW","NNW"]
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