All charts/Rose & radial bars
A wind rose
Sixteen compass points, north on top - one field, one colour.
{chart 'rose', label='from', value='hours', title='Where the wind came from, hours in a year', width=480, height=380}
from,hours
N,410
NNE,320
NE,380
ENE,350
E,420
ESE,260
SE,240
SSE,310
S,520
SSW,780
SW,1150
WSW,1020
W,860
WNW,560
NW,420
NNW,400
{/chart}