Indian Climate - Wind Pattern in Ranchi

Wind Pattern in Ranchi


Windrose of Ranchi shows that dominant wind blow from the NW much of the time - about 13.16% of all hourly wind directions. Approximately 5.25% (max) of the time the wind blows from the NW at speeds between 2 and 3 m/s. Further, at Ranchi much of the time winds blow at speeds between 2 and 3 m/s - which is 36.45% of the time. About 1.12% of time winds were CALM i.e. wind speeds less then 0.5m/s.

NW[13.2%]

Dominant Direction

2-3m/s

Speed Range

2.5m/s

average speed

1.12%

calm

The annual wind rose below showing how wind speed and direction are typically distributed in Ranchi.


This table shows the frequency and speed of wind blowing from each direction in Ranchi.

Table of Frequencies (%)


Table of Frequencies (%)
Direction < 0.5 0.5-1.0 1.0-2.0 2.0-3.0 3.0-4.0 4.0-5.0 > 5.0 Total
N 0.00 0.27 2.15 2.42 2.10 0.05 0.05 7.04
NNE 0.14 0.23 1.10 1.74 0.73 0.09 0.00 4.03
NE 0.05 0.27 1.10 1.42 0.32 0.09 0.23 3.48
ENE 0.05 0.09 0.87 1.37 0.41 0.41 0.37 3.57
E 0.18 0.14 0.78 0.82 0.91 0.41 1.00 4.24
ESE 0.00 0.27 0.87 1.32 0.55 0.82 0.50 4.33
SE 0.05 0.27 1.74 1.28 1.10 0.23 0.32 4.99
SSE 0.05 0.37 1.96 1.69 0.55 0.09 0.00 4.71
S 0.05 0.32 1.78 0.87 0.37 0.18 0.05 3.62
SSW 0.09 0.27 1.60 1.42 0.55 0.09 0.14 4.16
SW 0.09 0.50 2.47 1.96 0.91 0.32 0.09 6.34
WSW 0.05 0.27 2.42 2.69 1.05 0.73 0.59 7.80
W 0.14 0.46 2.19 2.47 1.00 0.41 0.41 7.08
WNW 0.09 0.68 2.92 4.16 1.46 0.27 0.18 9.76
NW 0.00 0.55 3.15 5.25 3.84 0.32 0.05 13.16
NNW 0.09 0.46 2.42 5.57 3.15 0.05 0.00 11.74
Total 1.12 5.42 29.52 36.45 19.00 4.56 3.98 100

The graph below shows the minimum, maximum and average wind speed, m/s over the year in Ranchi.