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 November 6, Friday	10	26.8 80	739.9 29.13 986.45 986.45	762.4 30.02 1016.45 1016.45	1.4 0.06 1.87 1.87	78	Calm, no wind	Calm			40%. 4/10. 3 oktas	Clouds generally forming or developing.	Fog or ice fog or thick haze.	Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the period.			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	22.6 73
	07	22.4 72	738.5 29.07 984.59 984.59	761.4 29.98 1015.12 1015.12	0.9 0.04 1.2 1.2	98	Calm, no wind	Calm			Sky obscured by fog and/or other meteorological phenomena. Sky obscured by fog and/or other meteorological phenomena. Sky obscured by fog and/or other meteorological phenomena.	Fog or ice fog, sky invisible, no appreciable change during the preceding hour.	Fog or ice fog or thick haze.	Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the period.	21.7 71							0.5 0.3	22.1 72
	04	21.8 71	737.6 29.04 983.39 983.39	760.5 29.94 1013.92 1013.92	-0.5 -0.02 -0.67 -0.67	97	Calm, no wind	Calm			50%. 5/10. 4 oktas						Stratocumulus other than Stratocumulus cumulogenitus.	50%. 5/10. 4 oktas	1500-2000 4921-6562	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	10.0 6.2	21.3 70
	01	22.6 73	738.1 29.06 984.05 984.05	761.0 29.96 1014.58 1014.58	-0.3 -0.01 -0.4 -0.4	97	Calm, no wind	Calm			20–30%. 2/10–3/10. 2 oktas						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	22.1 72
November 5, Thursday	22	23.5 74	738.4 29.07 984.45 984.45	761.1 29.96 1014.72 1014.72	1.2 0.05 1.6 1.6	96	Calm, no wind	Calm			no clouds no clouds no clouds											10.0 6.2	22.9 73
	19	24.3 76	737.2 29.02 982.85 982.85	760.0 29.92 1013.25 1013.25	1.0 0.04 1.33 1.33	93	Calm, no wind	Calm			20–30%. 2/10–3/10. 2 oktas	State of sky on the whole unchanged.	Shower(s).	Cloud covering more than 1/2 of the sky throughout the appropriate period.		28.8 84	Cumulus humilis or Cumulus fractus other than of bad weather, or both.	20–30%. 2/10–3/10. 2 oktas	300-600 984-1968	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	10.0 6.2	23.1 74	5.0 0.2	24
	16	25.9 79	736.2 28.98 981.52 981.52	758.6 29.87 1011.38 1011.38	-0.8 -0.03 -1.07 -1.07	90	Wind blowing from the east	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas	Clouds generally forming or developing.	Rain.	Cloud covering more than 1/2 of the sky throughout the appropriate period.			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	300-600 984-1968			15.0 9.3	24.1 75
	13	26.3 79	737.0 29.02 982.59 982.59	759.5 29.9 1012.58 1012.58	-2.0 -0.08 -2.67 -2.67	88	Calm, no wind	Calm			100%. 10/10. 8 oktas	Rain, not freezing, continuous, moderate 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.	70 – 80%. 7/10 – 8/10. 6 oktas	300-600 984-1968	Altostratus opacus or Nimbostratus.		4.0 2.5	24.2 76	5.0 0.2	18
	10	28.0 82	739.0 29.09 985.25 985.25	761.3 29.97 1014.98 1014.98	0.9 0.04 1.2 1.2	70	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			15.0 9.3	22.0 72