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 August 26, Wednesday	07	25.8 78	727.3 28.63 969.65 969.65	749.5 29.51 999.25 999.25	0.7 0.03 0.93 0.93	96	Calm, no wind	Calm			100%. 10/10. 8 oktas	Rain, not freezing, intermittent, slight at time of observation.	Thunderstorm(s) with or without precipitation.	Shower(s).	25.6 78		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	13.0 0.51	12
2026 August 26, Wednesday	04	25.6 78	726.6 28.61 968.72 968.72	748.8 29.48 998.32 998.32		95	Calm, no wind	Calm			100%. 10/10. 8 oktas	Shower(s) of rain.	Thunderstorm(s) with or without precipitation.	Shower(s).			Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus.	60%. 6/10. 5 oktas	300-600 984-1968	Altostratus opacus or Nimbostratus.		10.0 6.2	24.8 77
August 25, Tuesday	22	26.4 80	727.5 28.64 969.92 969.92	749.7 29.52 999.52 999.52	1.4 0.06 1.87 1.87	95	Calm, no wind	Calm			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	25.5 78
	19	27.7 82	726.1 28.59 968.05 968.05	748.1 29.45 997.38 997.38	1.1 0.04 1.47 1.47	90	Calm, no wind	Calm			70 – 80%. 7/10 – 8/10. 6 oktas	Shower(s) of rain.	Shower(s).	Cloud covering more than 1/2 of the sky throughout the appropriate period.		33.3 92	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			10.0 6.2	26.0 79	2.0 0.08	24
	16	32.2 90	725.0 28.54 966.59 966.59	749.7 29.52 999.52 999.52	-1.1 -0.04 -1.47 -1.47	49	Calm, no wind	Calm			40%. 4/10. 3 oktas						Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.	40%. 4/10. 3 oktas	600-1000 1968-3281	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	15.0 9.3	20.3 69
	13	32.3 90	726.1 28.59 968.05 968.05	747.9 29.44 997.12 997.12	-1.5 -0.06 -2 -2	62	Wind blowing from the north-west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			40%. 4/10. 3 oktas						Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.	40%. 4/10. 3 oktas	600-1000 1968-3281	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	15.0 9.3	24.0 75
	10	29.4 85	727.6 28.65 970.05 970.05	749.5 29.51 999.25 999.25	0.5 0.02 0.67 0.67	79	Calm, no wind	Calm			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	25.3 78
	07	26.0 79	727.1 28.63 969.39 969.39	749.3 29.5 998.98 998.98		93	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.			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	24.8 77