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 July 9, Thursday	22	25.2 77	728.4 28.68 971.12 971.12	750.6 29.55 1000.72 1000.72	0.8 0.03 1.07 1.07	96	Calm, no wind	Calm			100%. 10/10. 8 oktas	State of sky on the whole unchanged.	Shower(s).	Cloud covering more than 1/2 of the sky throughout the appropriate period.			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	24.6 76
	19	25.0 77	727.6 28.65 970.05 970.05	749.8 29.52 999.65 999.65	0.5 0.02 0.67 0.67	96	Calm, no wind	Calm			100%. 10/10. 8 oktas	Rain, not freezing, continuous, slight at time of observation.	Shower(s).	Rain.		30.3 87	Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus.	100%. 10/10. 8 oktas	300-600 984-1968			10.0 6.2	24.4 76	35.0 1.38	24
	16	28.3 83	727.1 28.63 969.39 969.39	749.2 29.5 998.85 998.85	-0.9 -0.04 -1.2 -1.2	85	Calm, no wind	Calm			100%. 10/10. 8 oktas	Shower(s) of rain.	Shower(s).	Cloud covering more than 1/2 of the sky throughout the appropriate period.			Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus.	100%. 10/10. 8 oktas	300-600 984-1968			10.0 6.2	25.6 78
	13	30.2 86	728.0 28.66 970.59 970.59	749.9 29.52 999.78 999.78		74	Wind blowing from the north	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas						Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.	70 – 80%. 7/10 – 8/10. 6 oktas	600-1000 1968-3281			15.0 9.3	25.1 77	3.0 0.12	18
	07	26.1 79	728.3 28.67 970.99 970.99	750.5 29.55 1000.58 1000.58		95	Calm, no wind	Calm			100%. 10/10. 8 oktas	Mist.	Rain.	Cloud covering more than 1/2 of the sky throughout the appropriate period.	25.2 77		Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.	100%. 10/10. 8 oktas	300-600 984-1968			4.0 2.5	25.2 77	3.0 0.12	12
	01	25.5 78	728.6 28.69 971.39 971.39	750.8 29.56 1000.98 1000.98		95	Calm, no wind	Calm			100%. 10/10. 8 oktas	Rain, not freezing, continuous, slight at time of observation.	Rain.	Cloud covering more than 1/2 of the sky throughout the appropriate period.			Stratus fractus or Cumulus fractus of bad weather, or both (pannus), usually below Altostratus or Nimbostratus.	60%. 6/10. 5 oktas	300-600 984-1968	Altostratus opacus or Nimbostratus.		10.0 6.2	24.7 76	3.0 0.12	6