Weather archive in Lang Son

To receive explanations, hover over the appropriate heading

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 5, Tuesday	01	18.4 65	736.9 29.01 982.45 982.45	760.1 29.93 1013.38 1013.38		94	Calm, no wind	Calm			no clouds no clouds no clouds											10.0 6.2	17.4 63
May 4, Monday	19	23.5 74	735.7 28.96 980.85 980.85	758.3 29.85 1010.98 1010.98	0.3 0.01 0.4 0.4	65	Calm, no wind	Calm			20–30%. 2/10–3/10. 2 oktas					26.5 80	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	16.4 62	12.0 0.47	24
	16	26.0 79	735.4 28.95 980.45 980.45	757.8 29.83 1010.32 1010.32	-2.3 -0.09 -3.07 -3.07	60	Wind blowing from the south-east	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			50%. 5/10. 4 oktas						Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.	50%. 5/10. 4 oktas	300-600 984-1968	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	15.0 9.3	17.7 64
	13	24.8 77	737.7 29.04 983.52 983.52	760.4 29.94 1013.78 1013.78		60	Wind blowing from the 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.	15.0 9.3	16.5 62	12.0 0.47	18
	07	18.5 65	738.6 29.08 984.72 984.72	761.8 29.99 1015.65 1015.65		87	Wind blowing from the north-west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	State of sky on the whole unchanged.	Rain.	Cloud covering more than 1/2 of the sky throughout the appropriate period.	17.8 64		Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.	90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	300-600 984-1968			10.0 6.2	16.3 61	12.0 0.47	12
	01	18.6 65	737.5 29.04 983.25 983.25	760.7 29.95 1014.18 1014.18		93	Wind blowing from the north-east	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 8 oktas	Rain (not freezing) not falling as shower(s).	Thunderstorm(s) with or without precipitation.	Rain.			Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus.	70 – 80%. 7/10 – 8/10. 6 oktas	300-600 984-1968	Altostratus opacus or Nimbostratus.		10.0 6.2	17.4 63	10.0 0.39	6