Weather archive in Nungambakkam

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Date / Local time		T	Po	P	Pa	U	DD	Ff	ff10	ff3	N	WW	W1	W2	Tn	Tx	Cl	Nh	H	Cm	Ch	VV	Td	RRR	tR	E	Tg	E'	sss
2026 October 18, Sunday	08:30	26.0 79	758.9 29.88 1011.78 1011.78	759.4 29.9 1012.45 1012.45	1.0 0.04 1.33 1.33	97	Wind blowing from the west-northwest	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			100%. 10/10. 8 oktas				24.1 75		Stratus fractus or Cumulus fractus of bad weather, or both (pannus), usually below Altostratus or Nimbostratus.	50%. 5/10. 4 oktas	600-1000 1968-3281	Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	10.0 6.2	25.4 78	158.0 6.22	24
2026 October 18, Sunday	05:30	25.0 77	757.9 29.84 1010.45 1010.45	758.5 29.86 1011.25 1011.25		98	Calm, no wind	Calm			100%. 10/10. 8 oktas	Haze.	Thunderstorm(s) with or without precipitation.	Rain.			Stratocumulus other than Stratocumulus cumulogenitus.	50%. 5/10. 4 oktas	600-1000 1968-3281	Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus.		4.0 2.5	24.7 76
October 17, Saturday	20:30	27.0 81	758.2 29.85 1010.85 1010.85	758.8 29.87 1011.65 1011.65	1.8 0.07 2.4 2.4	95	Calm, no wind	Calm			100%. 10/10. 8 oktas	Thunderstorm, slight or moderate, without hail, but with rain and/or snow at time of observation.	Rain.	Drizzle.			Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus.	60%. 6/10. 5 oktas	600-1000 1968-3281	Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus.		4.0 2.5	26.2 79
	17:30	29.0 84	756.4 29.78 1008.45 1008.45	757.0 29.8 1009.25 1009.25	0.6 0.02 0.8 0.8	75	Wind blowing from the east-southeast	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			100%. 10/10. 8 oktas	Fog or ice fog, sky invisible (has become thinner during the preceding hour).	Rain and snow or other types of solid precipitation			32.8 91			600-1000 1968-3281			4.0 2.5	24.1 75
	14:30	32.1 90	755.8 29.76 1007.65 1007.65	756.4 29.78 1008.45 1008.45	-2.0 -0.08 -2.67 -2.67	72	Wind blowing from the east-southeast	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			50%. 5/10. 4 oktas						Stratocumulus other than Stratocumulus cumulogenitus.	20–30%. 2/10–3/10. 2 oktas	600-1000 1968-3281	Altocumulus translucidus at a single level.	No Cirrus, Cirrocumulus or Cirrostratus.	10.0 6.2	26.4 80
	11:30	31.7 89	757.8 29.83 1010.32 1010.32	758.3 29.85 1010.98 1010.98	-0.7 -0.03 -0.93 -0.93	68	Wind blowing from the north-west	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas						Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.	50%. 5/10. 4 oktas	600-1000 1968-3281	Altocumulus translucidus at a single level.	No Cirrus, Cirrocumulus or Cirrostratus.	10.0 6.2	25.1 77
	08:30	27.0 81	758.5 29.86 1011.25 1011.25	759.1 29.89 1012.05 1012.05	2.0 0.08 2.67 2.67	92	Wind blowing from the north-west	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	Drizzle, not freezing, intermittent, slight at time of observation.	Cloud covering more than 1/2 of the sky throughout the appropriate period.	Cloud covering more than 1/2 of the sky throughout the appropriate period.	24.1 75		Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.	50%. 5/10. 4 oktas	600-1000 1968-3281	Altocumulus translucidus at a single level.	Cirrus spissatus, in patches or entangled sheaves, which usually do not increase and sometimes seem to be the remains of the upper part of a Cumulonimbus; or Cirrus castellanus or floccus.	4.0 2.5	25.6 78	69.0 2.72	24