Weather archive in Lang Son

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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 16, Saturday	04	27.0 81	728.2 28.67 970.85 970.85	750.3 29.54 1000.32 1000.32	-0.1 -0 -0.13 -0.13	86	Wind blowing from the east	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.	70 – 80%. 7/10 – 8/10. 6 oktas	300-600 984-1968			15.0 9.3	24.5 76
2026 May 16, Saturday	01	27.7 82	728.3 28.67 970.99 970.99	750.4 29.54 1000.45 1000.45	-0.5 -0.02 -0.67 -0.67	81	Wind blowing from the south-east	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.	70 – 80%. 7/10 – 8/10. 6 oktas	300-600 984-1968			10.0 6.2	24.1 75
May 15, Friday	22	28.8 84	728.8 28.69 971.65 971.65	750.9 29.56 1001.12 1001.12	2.0 0.08 2.67 2.67	82	Wind blowing from the south-east	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			40%. 4/10. 3 oktas						Stratocumulus other than Stratocumulus cumulogenitus.	40%. 4/10. 3 oktas	1500-2000 4921-6562	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	10.0 6.2	25.4 78
	19	31.5 89	726.8 28.61 968.99 968.99	748.6 29.47 998.05 998.05	0.5 0.02 0.67 0.67	68	Calm, no wind	Calm			20–30%. 2/10–3/10. 2 oktas					35.1 95	Stratocumulus other than Stratocumulus cumulogenitus.	20–30%. 2/10–3/10. 2 oktas	1500-2000 4921-6562	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	10.0 6.2	24.8 77
	16	35.0 95	726.3 28.59 968.32 968.32	747.7 29.44 996.85 996.85		49	Wind blowing from the south-west	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			40%. 4/10. 3 oktas						Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.	40%. 4/10. 3 oktas	300-600 984-1968	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	15.0 9.3	22.6 73
	07	27.6 82	729.2 28.71 972.19 972.19	751.3 29.58 1001.65 1001.65		86	Calm, no wind	Calm			70 – 80%. 7/10 – 8/10. 6 oktas				25.6 78		Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.	70 – 80%. 7/10 – 8/10. 6 oktas	300-600 984-1968			15.0 9.3	25.1 77