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Climate of Thandalam

The average wind speed in Thandalam is 3.1 m/s with the maximum wind speed of around 10 m/s. The average ambient temperature remains 28°C, varies from 17.4°C to 37.6°C. The average reletive humidity remains around 73%, varies from 36% to 97.8%. The station pressure varies from 999 hPa to 989 hPa, averaged around 1009 hPa. Windrose of Thandalam shows that predominantly wind blow from the NE - about 12.47% of all wind directions. share @

The selected coordinates i.e. lat 13°9'0"N, lon: 79°57'0"E is found within the limit of Thandalam of Tiruvallur district, in the state Tamil Nadu, India.

Meteorological Data Summary
Parameter	Min	Max	Avg
Wind Speed m/s	N/A	10.1	3.1
Temperature °C	17.4	37.6	28
Dew Point °C	14.2	26.8	22.5
Humidity %	36	97.8	73
Pressure hPa	988.5	1008.9	998.8

The graph below shows the average values of various meteorological paramateres over the year in Thandalam.

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

Table of Frequencies (%)
Direction	< 0.5	0.5-1	1-2	2-3	3-4	4-5	> 5	Total
N	0	0.18	1.69	1.64	0.32	0.23	0.37	4.43
NNE	0.05	0.18	0.96	2.01	1.46	0.68	0.46	5.8
NE	0.14	0.09	1.37	5.11	3.52	1.6	0.64	12.47
ENE	0.05	0	1.69	4.84	1.83	0.41	0.14	8.96
E	0.05	0.09	0.78	2.37	0.73	0.41	0.05	4.48
ESE	0	0	1	2.24	0.82	0.5	0.09	4.65
SE	0	0.05	1.23	2.1	1.55	0.59	0.05	5.57
SSE	0	0.05	1.23	2.37	2.6	1.87	0.18	8.3
S	0	0.18	1.1	1.74	1.74	1.1	0.14	6
SSW	0.05	0.14	1.37	2.24	2.1	1.42	0.14	7.46
SW	0.05	0.05	0.96	2.01	2.15	0.78	0.05	6.05
WSW	0.05	0.09	0.78	1.74	2.37	2.05	1.19	8.27
W	0.05	0.05	0.46	1.46	2.88	3.2	2.79	10.89
WNW	0	0.32	0.27	0.41	0.55	0.73	1.37	3.65
NW	0.09	0.09	0.32	0.32	0.23	0.23	0.05	1.33
NNW	0.14	0.14	0.73	0.27	0.32	0.05	0.14	1.79
Total	0.72	1.7	15.94	32.87	25.17	15.85	7.85	100

The Indian Climate shows simulation data, not measured data, for the selected coordinate (lat: 13°9'0"N, lon: 79°57'0"E | Thandalam) and is not compared to measured data of a weather station. Wind and temperature data are calculated with the average altitude therefore, the temperatures for mountains and coasts can be different from the data at the exact coorinate which you have selected.

The graph below shows the daily variation of meteorological paramteres over the year in Thandalam.