Wind · Annual

Wind rose and wind speed for Chatar, Bihar

Hourly directions Speed bins Daily series

Windrose of Chatar shows that dominant wind blow from the E much of the time - about 21.74% of all hourly wind directions. Approximately 6.94% (max) of the time the wind blows from the E at speeds are more than 5 m/s. Further, at Chatar much of the time winds blow at speeds between 2 and 10.76 m/s - which is 34.25% of the time. About 1.57% of time winds were CALM i.e. wind speeds less then 0.5m/s.

Dominant direction · 21.7%

2-10.76m/s

Speed range

2.8m/s

Average speed

1.57%

Calm hours

Wind rose

Frequency of hourly wind direction and speed at this interpolated reference coordinate. Use the chart menu to download an image.

Frequency table (%)

Direction × speed-bin frequencies used by the wind rose chart.

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	0.00	0.41	0.73	0.05	0.00	0.00	1.19
NNE	0.05	0.18	0.91	0.55	0.09	0.00	0.00	1.78
NE	0.00	0.18	1.05	1.05	0.18	0.05	0.00	2.51
ENE	0.14	0.27	1.19	1.92	1.23	0.78	0.68	6.21
E	0.09	0.37	2.42	3.84	3.79	4.29	6.94	21.74
ESE	0.23	0.50	2.33	2.79	1.96	1.32	1.46	10.59
SE	0.05	0.41	1.23	0.96	0.18	0.09	0.05	2.97
SSE	0.09	0.27	1.10	0.32	0.00	0.00	0.00	1.78
S	0.05	0.37	0.96	0.32	0.00	0.00	0.00	1.70
SSW	0.14	0.32	0.82	0.32	0.05	0.00	0.00	1.65
SW	0.18	0.41	2.37	0.68	0.32	0.05	0.05	4.06
WSW	0.09	0.41	3.15	3.24	1.51	0.50	0.09	8.99
W	0.09	0.37	3.93	8.58	3.24	1.10	0.14	17.45
WNW	0.14	0.27	2.74	5.80	1.78	0.23	0.09	11.05
NW	0.05	0.32	1.32	2.28	0.41	0.00	0.00	4.38
NNW	0.18	0.14	0.50	0.87	0.23	0.05	0.00	1.97
Total	1.57	4.79	26.43	34.25	15.02	8.46	9.50	100

Daily wind speed

Min / max / average across months

Reference-location data sheet

What this page represents

Read methodology

Reference location: Chatar · HNMKB3TZXM
Coordinate: 25.6667°, 84.7500°
Published edition: 2019 test / base-year archive
Available records: 2,190 hourly rows · 01 Jan 2018 to 31 Dec 2018
Source: ECMWF ERA5-Land hourly reanalysis · 0.1° × 0.1° regular latitude–longitude grid
Location processing: CDO bilinear interpolation to each listed reference coordinate

Use with professional judgement. These are model-derived, interpolated reference estimates—not measurements at a monitoring station. Local terrain, coastlines, land cover and site conditions can make project-site conditions differ.

Report-ready attribution

Cite this reference

IndianClimate.com. 2019 ERA5-Land baseline meteorological reference for Chatar. Derived from ECMWF ERA5-Land hourly reanalysis using CDO bilinear interpolation. https://doi.org/10.24381/cds.e2161bac. Accessed 2026-11-15.

ERA5-Land DOI