Wind · Monthly

Monthly wind roses for Gaya, Bihar

Twelve monthly wind roses built from hourly direction and speed.

January summary

Direction	WSW [25.3%]
Speed range	2-3 m/s
Average wind	2.43 m/s
Calm	0.4%

February summary

Direction	W [27.24%]
Speed range	2-3 m/s
Average wind	1.85 m/s
Calm	1.8%

March summary

Direction	WNW [25.81%]
Speed range	2-3 m/s
Average wind	1.67 m/s
Calm	0%

April summary

Direction	E [18.76%]
Speed range	2-3 m/s
Average wind	0.76 m/s
Calm	0.84%

May summary

Direction	E [29.03%]
Speed range	2-3 m/s
Average wind	1.67 m/s
Calm	1.2%

June summary

Direction	W [12.5%]
Speed range	1-2 m/s
Average wind	0.46 m/s
Calm	1.68%

July summary

Direction	ESE [25%]
Speed range	2-3 m/s
Average wind	1.41 m/s
Calm	0.8%

August summary

Direction	E [30.24%]
Speed range	1-2 m/s
Average wind	1.8 m/s
Calm	3.61%

September summary

Direction	W [20.42%]
Speed range	1-2 m/s
Average wind	0.43 m/s
Calm	1.26%

October summary

Direction	WNW [16.94%]
Speed range	1-2 m/s
Average wind	0.52 m/s
Calm	1.21%

November summary

Direction	WNW [17.09%]
Speed range	1-2 m/s
Average wind	0.94 m/s
Calm	2.92%

December summary

Direction	WNW [21.36%]
Speed range	2-3 m/s
Average wind	1.57 m/s
Calm	2%

Reference-location data sheet

What this page represents

Read methodology

Reference location: Gaya · RKPREJVSUE
Coordinate: 24.7800°, 84.9818°
Published edition: 2019 test / base-year archive
Available records: 2,921 hourly rows · 01 Jan 2018 to 01 Jan 2019
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 Gaya. 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

Table of Frequencies (%)
Direction	< 0.5	0.5-1	1-2	2-3	3-4	4-5	> 5	Total
N	0	0	0.4	0	0	0	0	0.4
NNE	0	0	0	0	0	0	0	0
NE	0	0	0	0	0	0	0	0
ENE	0	0	0	0	0	0	0	0
E	0	0	0	0.4	0	0	0	0.4
ESE	0	0	0	0	0	0	0	0
SE	0.4	0	0.8	0	0	0	0	1.2
SSE	0	0.4	0.4	0	0	0	0	0.8
S	0	0	0	0	0	0	0	0
SSW	0	0.8	2.81	0	0	0	0	3.61
SW	0	0	4.42	7.63	1.61	0	0	13.66
WSW	0	0	0.8	19.68	4.02	0.8	0	25.3
W	0	0.4	1.2	8.03	8.43	2.41	0.4	20.87
WNW	0	0	1.61	8.03	8.43	4.82	1.2	24.09
NW	0	0	0.4	5.62	1.2	0.4	0	7.62
NNW	0	0	0	2.01	0	0	0	2.01
Total	0.4	1.6	12.84	51.4	23.69	8.43	1.6	100

Table of Frequencies (%)
Direction	< 0.5	0.5-1	1-2	2-3	3-4	4-5	> 5	Total
N	0	0	0.45	1.79	1.34	0	0	3.58
NNE	0	0	0	0.45	0	0	0	0.45
NE	0.45	0	0.45	0	0	0	0	0.9
ENE	0	0	0.45	1.34	0	0	0	1.79
E	0.45	0.89	0.45	0	0	0	0	1.79
ESE	0	0	0.89	0.89	0	0	0	1.78
SE	0.45	0.45	2.23	0.45	0	0	0	3.58
SSE	0.45	1.34	1.34	0.89	0	0	0	4.02
S	0	1.79	2.68	0.45	0	0	0	4.92
SSW	0	0.89	3.13	0	0	0	0	4.02
SW	0	0	2.23	1.34	0	0	0	3.57
WSW	0	0	2.23	7.59	1.34	0.45	0	11.61
W	0	0.45	1.79	10.71	10.27	3.13	0.89	27.24
WNW	0	0	1.79	8.04	6.7	4.02	2.23	22.78
NW	0	0	0.89	2.23	1.34	0	0	4.46
NNW	0	0	1.79	0.89	0.89	0	0	3.57
Total	1.8	5.81	22.79	37.06	21.88	7.6	3.12	100

Table of Frequencies (%)
Direction	< 0.5	0.5-1	1-2	2-3	3-4	4-5	> 5	Total
N	0	0	0	0	0.4	0	0	0.4
NNE	0	0.4	0.81	0	0.4	0	0	1.61
NE	0	0	0	0.81	0.4	0.4	0	1.61
ENE	0	0.4	1.21	0	0	0	1.61	3.22
E	0	0.4	0.4	0	0.4	0.81	0.4	2.41
ESE	0	0.4	0.4	1.21	0	0.81	0	2.82
SE	0	0	2.82	0	0	0	0	2.82
SSE	0	0	2.42	0.81	0	0	0	3.23
S	0	0.81	2.42	0	0	0	0	3.23
SSW	0	0.81	1.61	0	0	0	0	2.42
SW	0	0	2.82	3.23	0	0	0	6.05
WSW	0	0.4	2.02	10.48	0.81	0	0	13.71
W	0	0.81	0.4	7.66	2.82	2.82	0	14.51
WNW	0	0	1.21	8.06	7.26	3.63	5.65	25.81
NW	0	0	2.02	5.24	1.61	0	0	8.87
NNW	0	0	1.61	2.82	2.82	0	0	7.25
Total	0	4.43	22.17	40.32	16.92	8.47	7.66	100

Table of Frequencies (%)
Direction	< 0.5	0.5-1	1-2	2-3	3-4	4-5	> 5	Total
N	0	0	0.42	2.5	0.42	0	0	3.34
NNE	0	0	0.83	0.83	0.42	0.42	0	2.5
NE	0.42	0.42	2.92	0.83	1.25	0	0	5.84
ENE	0	0.83	2.08	2.92	0.83	0.83	0.42	7.91
E	0	0	1.67	4.17	3.75	6.25	2.92	18.76
ESE	0	0.42	1.67	5	2.5	2.08	0	11.67
SE	0	0	5	2.92	0.83	0.42	0	9.17
SSE	0	0	3.75	0	0	0	0	3.75
S	0.42	0.83	0.42	0	0	0	0	1.67
SSW	0	0	1.25	0	0	0	0	1.25
SW	0	1.25	1.25	0.42	0	0	0	2.92
WSW	0	0	1.25	0.42	0	0	0	1.67
W	0	0	1.67	1.67	0.83	0.83	0	5
WNW	0	0	1.25	2.08	3.33	2.5	0.83	9.99
NW	0	0.42	1.25	3.75	4.17	1.67	0.83	12.09
NNW	0	0	0.83	0.42	1.25	0	0	2.5
Total	0.84	4.17	27.51	27.93	19.58	15	5	100

Table of Frequencies (%)
Direction	< 0.5	0.5-1	1-2	2-3	3-4	4-5	> 5	Total
N	0	0	0.81	1.61	0	0	0	2.42
NNE	0	0.4	0.81	1.21	0.4	0	0	2.82
NE	0	0	1.21	3.23	0.81	0	0	5.25
ENE	0	1.21	1.61	5.65	5.24	1.61	0	15.32
E	0.4	0	1.61	8.06	12.1	5.65	1.21	29.03
ESE	0	0	2.82	7.66	3.23	2.82	0.4	16.93
SE	0	0.4	1.21	0.4	0	0	0	2.01
SSE	0	0	2.42	0.81	0	0	0	3.23
S	0	0.4	0.81	0.4	0	0	0	1.61
SSW	0.4	0.4	0	0.4	0	0	0	1.2
SW	0	0.4	0.81	0	0	0	0	1.21
WSW	0	0	0.81	0.4	0.4	0	0	1.61
W	0.4	0	1.21	0	0	0	0	1.61
WNW	0	0.4	0.81	1.61	0	0.81	0	3.63
NW	0	0.81	1.21	0.81	2.02	1.61	0	6.46
NNW	0	0.4	1.21	3.23	0.81	0	0	5.65
Total	1.2	4.82	19.37	35.48	25.01	12.5	1.61	100