Weather archive in Nagapattinam

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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 May 14, Thursday	17:30	27.4 81	751.1 29.57 1001.38 1001.38	751.9 29.6 1002.45 1002.45	0.1 0 0.13 0.13	98	Wind blowing from the south-southeast	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			100%. 10/10. 8 oktas	State of sky on the whole unchanged.	Thunderstorm(s) with or without precipitation.	Rain.		30.0 86	Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus.	20–30%. 2/10–3/10. 2 oktas	300-600 984-1968	Altostratus translucidus.		4.0 2.5	27.1 81
	14:30	29.0 84	751.0 29.57 1001.25 1001.25	751.8 29.6 1002.32 1002.32	-0.9 -0.04 -1.2 -1.2	97	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.	Thunderstorm(s) with or without precipitation.	Rain.			Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus.	40%. 4/10. 3 oktas	300-600 984-1968	Altostratus opacus or Nimbostratus.		4.0 2.5	28.5 83
	11:30	29.4 85	751.9 29.6 1002.45 1002.45	752.7 29.63 1003.52 1003.52	-0.1 -0 -0.13 -0.13	92	Calm, no wind	Calm			100%. 10/10. 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.			Stratus nebulosus or Stratus fractus other than of bad weather, or both.	60%. 6/10. 5 oktas	300-600 984-1968	Altostratus opacus or Nimbostratus.		4.0 2.5	28.0 82
	08:30	29.0 84	752.0 29.61 1002.58 1002.58	752.8 29.64 1003.65 1003.65	1.8 0.07 2.4 2.4	95	Calm, no wind	Calm			100%. 10/10. 8 oktas				26.9 80		Stratocumulus other than Stratocumulus cumulogenitus.	40%. 4/10. 3 oktas	600-1000 1968-3281	Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels.	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.	10.0 6.2	28.2 83
	05:30	27.8 82	750.2 29.54 1000.18 1000.18	751.0 29.57 1001.25 1001.25	0.0 0 0 0	97	Calm, no wind	Calm			70 – 80%. 7/10 – 8/10. 6 oktas						Stratocumulus other than Stratocumulus cumulogenitus.	40%. 4/10. 3 oktas	600-1000 1968-3281	Altocumulus translucidus at a single level.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	4.0 2.5	27.2 81
	02:30	28.2 83	750.2 29.54 1000.18 1000.18	751.0 29.57 1001.25 1001.25	-0.9 -0.04 -1.2 -1.2	95	Calm, no wind	Calm			100%. 10/10. 8 oktas						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	27.4 81
May 13, Wednesday	23:30	28.8 84	751.1 29.57 1001.38 1001.38	751.9 29.6 1002.45 1002.45	-0.8 -0.03 -1.07 -1.07	94	Calm, no wind	Calm			100%. 10/10. 8 oktas	Severe duststorm or sandstorm, no appreciable change during the preceding hour.	Rain and snow or other types of solid precipitation	Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the period.					600-1000 1968-3281			4.0 2.5	27.7 82
	20:30	29.4 85	751.9 29.6 1002.45 1002.45	752.7 29.63 1003.52 1003.52	1.3 0.05 1.73 1.73	90	Wind blowing from the south-southeast	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 8 oktas						Stratocumulus other than Stratocumulus cumulogenitus.	40%. 4/10. 3 oktas	600-1000 1968-3281	Altocumulus translucidus at a single level.		4.0 2.5	27.5 82
	17:30	30.0 86	750.6 29.55 1000.72 1000.72	751.3 29.58 1001.65 1001.65	-0.2 -0.01 -0.27 -0.27	88	Wind blowing from the south-east	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 8 oktas					32.2 90	Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.	50%. 5/10. 4 oktas	300-600 984-1968	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	27.8 82