WROSE

Windroses at air pollution stations

Year 2011
Region Prague
District Praha 4
Measuring programme ABRAA, Pha4-Branik
Organization CHMI
Velocity classes Wind velocity [m/s] N NE E SE S SW W NW CALM Total
1 ( 0,0 - 0,5) 2.53 0.97 0.49 0.94 4.74 2.82 1.78 1.41 0.52 16.19
2 < 0,5 - 2,5) 12.44 1.16 0.07 0.77 28.23 22.05 2.84 6.40 73.97
3 < 2,5 - 7,5) 1.41 0.00 0.00 0.00 5.83 2.18 0.00 0.41 9.83
4 < 7,5 - 10,0) 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.01
5 < 10,0 - ∞) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
16.39 2.13 0.56 1.71 38.80 27.04 4.62 8.22 0.52 100.00