Indian Climate - Wind Pattern in Patna

Wind Pattern in Patna


Windrose of Patna shows that dominant wind blow from the E much of the time - about 23.89% of all hourly wind directions. Approximately 7.9% (max) of the time the wind blows from the E at speeds are more than 5 m/s. Further, at Patna much of the time winds blow at speeds between 2 and 10.46 m/s - which is 33.29% of the time. About 1.97% of time winds were CALM i.e. wind speeds less then 0.5m/s.

E[23.9%]

Dominant Direction

2-10.46m/s

Speed Range

2.8m/s

average speed

1.97%

calm

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


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

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 0.23 0.41 0.32 0.05 0.00 0.00 1.01
NNE 0.14 0.14 0.59 0.14 0.00 0.00 0.00 1.01
NE 0.14 0.05 1.10 1.05 0.14 0.00 0.00 2.48
ENE 0.05 0.18 1.64 1.74 1.19 0.73 0.59 6.12
E 0.05 0.41 2.74 4.25 4.02 4.52 7.90 23.89
ESE 0.18 0.37 2.42 2.88 2.24 1.28 1.87 11.24
SE 0.23 0.46 1.32 1.32 0.32 0.00 0.05 3.70
SSE 0.27 0.23 1.19 0.23 0.00 0.00 0.00 1.92
S 0.00 0.14 0.64 0.23 0.00 0.00 0.00 1.01
SSW 0.32 0.64 1.14 0.46 0.00 0.00 0.00 2.56
SW 0.18 0.46 2.24 0.59 0.09 0.05 0.05 3.66
WSW 0.09 0.46 3.24 3.56 1.60 0.41 0.05 9.41
W 0.00 0.23 3.29 8.58 3.29 1.10 0.14 16.63
WNW 0.18 0.18 2.28 5.25 1.28 0.27 0.05 9.49
NW 0.14 0.37 1.05 1.64 0.41 0.00 0.00 3.61
NNW 0.00 0.18 0.87 1.05 0.23 0.00 0.00 2.33
Total 1.97 4.73 26.16 33.29 14.86 8.36 10.70 100

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