from windrose import WindroseAxes from matplotlib import cm direction=np.random.random(500)*360 speed=np.random.random(500)*15 ax= WindRoseAxes.from_ax() # ax.bar(direction,speed,blowto=false, edgecolor='k', bins=4 cmap=cm.viridis) ax.bar(direction,speed,blowto=false, edgecolor='k') ax.legend()