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 5, Saturday	22	20.6 69	737.4 29.03 983.12 983.12	760.4 29.94 1013.78 1013.78	1.4 0.06 1.87 1.87	77	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	16.4 62
	19	21.0 70	736.0 28.98 981.25 981.25	758.8 29.87 1011.65 1011.65	0.5 0.02 0.67 0.67	71	Wind blowing from the north-west	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			100%. 10/10. 8 oktas					22.7 73	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	15.6 60	0.3 0.01	24
	16	22.0 72	735.5 28.96 980.59 980.59	758.2 29.85 1010.85 1010.85	-1.5 -0.06 -2 -2	74	Calm, no wind	Calm			100%. 10/10. 8 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 humilis or Cumulus fractus other than of bad weather, or both.	20–30%. 2/10–3/10. 2 oktas	300-600 984-1968	Altostratus opacus or Nimbostratus.		4.0 2.5	17.2 63
	13	22.5 73	737.0 29.02 982.59 982.59	759.9 29.92 1013.12 1013.12	-1.4 -0.06 -1.87 -1.87	77	Calm, no wind	Calm			100%. 10/10. 8 oktas	Mist.	Drizzle.	Cloud covering more than 1/2 of the sky throughout the appropriate period.			Cumulus humilis or Cumulus fractus other than of bad weather, or both.	60%. 6/10. 5 oktas	300-600 984-1968	Altostratus opacus or Nimbostratus.		4.0 2.5	18.2 65	0.3 0.01	18
	10	21.0 70	738.4 29.07 984.45 984.45	761.3 29.97 1014.98 1014.98	0.6 0.02 0.8 0.8	87	Calm, no wind	Calm			100%. 10/10. 8 oktas	Mist.	Drizzle.	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	18.7 66
	07	19.6 67	737.8 29.05 983.65 983.65	760.9 29.96 1014.45 1014.45	1.2 0.05 1.6 1.6	98	Calm, no wind	Calm			100%. 10/10. 8 oktas	Drizzle, not freezing, continuous, slight at time of observation.	Drizzle.	Drizzle.	19.0 66		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	19.3 67	0.3 0.01	12
	04	19.3 67	736.6 29 982.05 982.05	759.4 29.9 1012.45 1012.45	-0.2 -0.01 -0.27 -0.27	98	Calm, no wind	Calm			100%. 10/10. 8 oktas	Drizzle, not freezing, continuous, slight at time of observation.	Drizzle.	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.		10.0 6.2	18.9 66
	01	19.6 67	736.8 29.01 982.32 982.32	759.7 29.91 1012.85 1012.85	0.8 0.03 1.07 1.07	96	Calm, no wind	Calm			100%. 10/10. 8 oktas	Drizzle, not freezing, intermittent, slight at time of observation.	Drizzle.	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.		10.0 6.2	18.9 66	Trace of precipitation Trace of precipitation	6