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Wind Rose Charts in Python

How to graph wind rose charts in python. Wind Rose charts display wind speed and direction of a given location.

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Basic Wind Rose Chart

In [1]:
import plotly.plotly as py
import plotly.graph_objs as go

trace1 = go.Area(
    r=[77.5, 72.5, 70.0, 45.0, 22.5, 42.5, 40.0, 62.5],
    t=['North', 'N-E', 'East', 'S-E', 'South', 'S-W', 'West', 'N-W'],
    name='11-14 m/s',
    marker=dict(
        color='rgb(106,81,163)'
    )
)
trace2 = go.Area(
    r=[57.49999999999999, 50.0, 45.0, 35.0, 20.0, 22.5, 37.5, 55.00000000000001],
    t=['North', 'N-E', 'East', 'S-E', 'South', 'S-W', 'West', 'N-W'],
    name='8-11 m/s',
    marker=dict(
        color='rgb(158,154,200)'
    )
)
trace3 = go.Area(
    r=[40.0, 30.0, 30.0, 35.0, 7.5, 7.5, 32.5, 40.0],
    t=['North', 'N-E', 'East', 'S-E', 'South', 'S-W', 'West', 'N-W'],
    name='5-8 m/s',
    marker=dict(
        color='rgb(203,201,226)'
    )
)
trace4 = go.Area(
    r=[20.0, 7.5, 15.0, 22.5, 2.5, 2.5, 12.5, 22.5],
    t=['North', 'N-E', 'East', 'S-E', 'South', 'S-W', 'West', 'N-W'],
    name='< 5 m/s',
    marker=dict(
        color='rgb(242,240,247)'
    )
)
data = [trace1, trace2, trace3, trace4]
layout = go.Layout(
    title='Wind Speed Distribution in Laurel, NE',
    font=dict(
        size=16
    ),
    legend=dict(
        font=dict(
            size=16
        )
    ),
    radialaxis=dict(
        ticksuffix='%'
    ),
    orientation=270
)
fig = go.Figure(data=data, layout=layout)
py.iplot(fig, filename='polar-area-chart')
Out[1]:

Reference

See https://plot.ly/python/reference/#area for more information and chart attribute options!

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