A wind rose is a type of circular plot and shows frequencies of different wind directions, and give an idea of how the wind direction and speed is distributed for a certain area. The above image is an example of a wind rose displaying the wind direction and speed of winds in Washington State. Using the coordinate system, the frequency of winds over a long time period is plotted by wind direction, with color bands displaying the wind ranges. The directions of the rose with the longest spoke show the wind direction that has the greatest frequency.
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