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 May 14, Thursday	16	34.0 93	726.3 28.59 968.32 968.32	747.9 29.44 997.12 997.12	-1.4 -0.06 -1.87 -1.87	52	Wind blowing from the south	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			20–30%. 2/10–3/10. 2 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.	No Cirrus, Cirrocumulus or Cirrostratus.	15.0 9.3	22.9 73
	13	34.0 93	727.7 28.65 970.19 970.19	749.3 29.5 998.98 998.98	-1.5 -0.06 -2 -2	49	Wind blowing from the south-west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			20–30%. 2/10–3/10. 2 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.	No Cirrus, Cirrocumulus or Cirrostratus.	15.0 9.3	21.8 71
	10	31.6 89	729.2 28.71 972.19 972.19	751.0 29.57 1001.25 1001.25	0.7 0.03 0.93 0.93	56	Wind blowing from the west	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0						Cumulus humilis or Cumulus fractus other than of bad weather, or both.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	600-1000 1968-3281	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	15.0 9.3	21.9 71
	07	26.3 79	728.5 28.68 971.25 971.25	750.7 29.56 1000.85 1000.85	1.3 0.05 1.73 1.73	90	Calm, no wind	Calm			no clouds no clouds no clouds				24.3 76							15.0 9.3	24.5 76
	04	24.8 77	727.2 28.63 969.52 969.52	749.5 29.51 999.25 999.25	-0.4 -0.02 -0.53 -0.53	93	Calm, no wind	Calm			20–30%. 2/10–3/10. 2 oktas						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	23.6 74
	01	25.2 77	727.6 28.65 970.05 970.05	749.8 29.52 999.65 999.65	-0.3 -0.01 -0.4 -0.4	91	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	23.7 75
May 13, Wednesday	22	26.5 80	727.9 28.66 970.45 970.45	750.1 29.53 1000.05 1000.05		88	Wind blowing from the south	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			no clouds no clouds no clouds											10.0 6.2	24.3 76
May 13, Wednesday	16	31.3 88	726.5 28.6 968.59 968.59	748.3 29.46 997.65 997.65		61	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	22.8 73