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 April 19, Sunday	10	25.5 78	734.8 28.93 979.65 979.65	757.3 29.81 1009.65 1009.65	0.8 0.03 1.07 1.07	80	Calm, no wind	Calm			100%. 10/10. 8 oktas						Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.	100%. 10/10. 8 oktas	300-600 984-1968			15.0 9.3	21.7 71
	07	22.2 72	734.0 28.9 978.59 978.59	756.5 29.78 1008.58 1008.58		94	Calm, no wind	Calm			70 – 80%. 7/10 – 8/10. 6 oktas	Mist.	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.	21.7 71		Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.	70 – 80%. 7/10 – 8/10. 6 oktas	300-600 984-1968			4.0 2.5	21.2 70
	01	22.4 72	734.0 28.9 978.59 978.59	756.7 29.79 1008.85 1008.85	-0.5 -0.02 -0.67 -0.67	92	Calm, no wind	Calm			100%. 10/10. 8 oktas						Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.	100%. 10/10. 8 oktas	300-600 984-1968			10.0 6.2	21.1 70
April 18, Saturday	22	23.0 73	734.5 28.92 979.25 979.25	757.1 29.81 1009.38 1009.38		94	Calm, no wind	Calm			100%. 10/10. 8 oktas						Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.	100%. 10/10. 8 oktas	300-600 984-1968			10.0 6.2	21.9 71
	16	24.2 76	733.0 28.86 977.25 977.25	755.4 29.74 1007.12 1007.12	-1.5 -0.06 -2 -2	80	Wind blowing from the north	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			100%. 10/10. 8 oktas						Cumulus humilis or Cumulus fractus other than of bad weather, or both.	60%. 6/10. 5 oktas	300-600 984-1968	Altostratus opacus or Nimbostratus.		15.0 9.3	20.5 69
	13	25.6 78	734.5 28.92 979.25 979.25	757.0 29.8 1009.25 1009.25	-1.6 -0.06 -2.13 -2.13	75	Wind blowing from the north-east	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						Cumulus humilis or Cumulus fractus other than of bad weather, or both.	20–30%. 2/10–3/10. 2 oktas	300-600 984-1968	Altostratus translucidus.		15.0 9.3	20.9 70	37.0 1.46	18
	10	22.5 73	736.1 28.98 981.39 981.39	758.8 29.87 1011.65 1011.65	0.7 0.03 0.93 0.93	92	Wind blowing from the north	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			100%. 10/10. 8 oktas						Cumulus humilis or Cumulus fractus other than of bad weather, or both.	50%. 5/10. 4 oktas	300-600 984-1968	Altostratus opacus or Nimbostratus.		15.0 9.3	21.1 70