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 27, Monday	22	25.8 78	729.9 28.74 973.12 973.12	752.2 29.61 1002.85 1002.85	1.3 0.05 1.73 1.73	95	Calm, no wind	Calm			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas						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	24.9 77
	19	26.6 80	728.6 28.69 971.39 971.39	750.8 29.56 1000.98 1000.98	0.5 0.02 0.67 0.67	93	Calm, no wind	Calm			100%. 10/10. 8 oktas	State of sky on the whole unchanged.	Thunderstorm(s) with or without precipitation.	Rain.		33.5 92	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	25.4 78	2.0 0.08	24
	16	26.6 80	728.1 28.67 970.72 970.72	750.3 29.54 1000.32 1000.32	0.4 0.02 0.53 0.53	92	Calm, no wind	Calm			100%. 10/10. 8 oktas	Rain, not freezing, intermittent, slight at time of observation.	Thunderstorm(s) with or without precipitation.	Rain.			Stratus fractus or Cumulus fractus of bad weather, or both (pannus), usually below Altostratus or Nimbostratus.	70 – 80%. 7/10 – 8/10. 6 oktas	300-600 984-1968	Altostratus opacus or Nimbostratus.		10.0 6.2	25.1 77
	13	30.6 87	727.7 28.65 970.19 970.19	749.6 29.51 999.38 999.38		75	Wind blowing from the west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas	Thunderstorm, but no precipitation at the time of observation.	Thunderstorm(s) with or without precipitation.	Shower(s).			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			15.0 9.3	25.6 78	2.0 0.08	18
	07	26.8 80	728.6 28.69 971.39 971.39	750.8 29.56 1000.98 1000.98		93	Calm, no wind	Calm			no clouds no clouds no clouds				25.5 78							15.0 9.3	25.6 78