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A wind rose is a graphical presentation of the average hourly speed and direction of wind at a particular location. The wind rose consists of 16 petals that indicate the percent of time that a wind is blowing from that direction. By looking at the wind rose, one can quickly see the prevailing wind direction. The petals of the wind rose also are composed of different colors that represent the percent of time that a wind from that direction is within a specified speed range.