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
2025 April 26, Saturday	04	23.1 74	734.5 28.92 979.25 979.25	757.0 29.8 1009.25 1009.25	-0.2 -0.01 -0.27 -0.27	87	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	20.8 69
2025 April 26, Saturday	01	23.3 74	734.7 28.93 979.52 979.52	757.3 29.81 1009.65 1009.65	-0.4 -0.02 -0.53 -0.53	83	Wind blowing from the south	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 8 oktas	State of sky on the whole unchanged.	Rain.	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	20.2 68	Trace of precipitation Trace of precipitation	6
April 25, Friday	22	25.0 77	735.1 28.94 980.05 980.05	757.5 29.82 1009.92 1009.92	1.8 0.07 2.4 2.4	80	Wind blowing from the south-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 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	21.3 70
	19	26.0 79	733.3 28.87 977.65 977.65	755.7 29.75 1007.52 1007.52	0.1 0 0.13 0.13	68	Calm, no wind	Calm			70 – 80%. 7/10 – 8/10. 6 oktas					29.4 85	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	19.6 67	13.0 0.51	24
	16	28.1 83	733.2 28.87 977.52 977.52	755.5 29.74 1007.25 1007.25	-1.6 -0.06 -2.13 -2.13	59	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	600-1000 1968-3281			15.0 9.3	19.3 67
	13	27.4 81	734.8 28.93 979.65 979.65	757.0 29.8 1009.25 1009.25	-1.3 -0.05 -1.73 -1.73	63	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	600-1000 1968-3281			15.0 9.3	19.7 67	13.0 0.51	18
	10	25.3 78	736.1 28.98 981.39 981.39	758.5 29.86 1011.25 1011.25	0.0 0 0 0	73	Wind blowing from the north-east	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas						Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.	20–30%. 2/10–3/10. 2 oktas	600-1000 1968-3281	No Altocumulus, Altostratus or Nimbostratus.	Cirrostratus not progressively invading the sky and not entirely covering it.	15.0 9.3	20.2 68
	07	21.4 71	736.1 28.98 981.39 981.39	758.8 29.87 1011.65 1011.65	3.7 0.15 4.93 4.93	92	Calm, no wind	Calm			100%. 10/10. 8 oktas	State of sky on the whole unchanged.	Shower(s).	Rain.	20.7 69		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	20.1 68	13.0 0.51	12
	04	21.1 70	732.4 28.83 976.45 976.45	755.1 29.73 1006.72 1006.72	-1.2 -0.05 -1.6 -1.6	95	Calm, no wind	Calm			100%. 10/10. 8 oktas	Thunderstorm, slight or moderate, without hail, but with rain and/or snow at 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.	100%. 10/10. 8 oktas	600-1000 1968-3281			4.0 2.5	20.3 69