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 December 14, Sunday	19	14.1 57	740.2 29.14 986.85 986.85	763.7 30.07 1018.18 1018.18	0.3 0.01 0.4 0.4	70	Calm, no wind	Calm			no clouds no clouds no clouds					18.0 64						10.0 6.2	8.7 48
	16	17.3 63	739.9 29.13 986.45 986.45	763.0 30.04 1017.25 1017.25	-1.8 -0.07 -2.4 -2.4	51	Wind blowing from the north-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			15.0 9.3	7.1 45
	13	17.6 64	741.7 29.2 988.85 988.85	764.9 30.11 1019.78 1019.78	-2.4 -0.09 -3.2 -3.2	51	Wind blowing from the north-east	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			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	7.2 45
	10	14.9 59	744.1 29.3 992.05 992.05	767.7 30.22 1023.52 1023.52	0.8 0.03 1.07 1.07	60	Wind blowing from the north-east	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			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	7.1 45
	07	12.2 54	743.3 29.26 990.99 990.99	767.1 30.2 1022.72 1022.72	1.3 0.05 1.73 1.73	70	Wind blowing from the north-east	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas				12.1 54		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	6.9 44
	04	13.0 55	742.0 29.21 989.25 989.25	765.7 30.15 1020.85 1020.85	-0.3 -0.01 -0.4 -0.4	75	Wind blowing from the north-east	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 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 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	8.6 47
	01	14.2 58	742.3 29.22 989.65 989.65	766.0 30.16 1021.25 1021.25	-0.7 -0.03 -0.93 -0.93	74	Wind blowing from the north-east	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 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 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	9.5 49
December 13, Saturday	22	15.1 59	743.0 29.25 990.59 990.59	766.5 30.18 1021.92 1021.92	0.8 0.03 1.07 1.07	70	Wind blowing from the north-east	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 8 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	Altostratus opacus or Nimbostratus.		10.0 6.2	9.7 49
December 13, Saturday	19	15.6 60	742.2 29.22 989.52 989.52	765.7 30.15 1020.85 1020.85	1.9 0.07 2.53 2.53	76	Wind blowing from the north-east	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 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.		20.6 69	Cumulus humilis or Cumulus fractus other than of bad weather, or both.	70 – 80%. 7/10 – 8/10. 6 oktas	300-600 984-1968	Altostratus opacus or Nimbostratus.		10.0 6.2	11.3 52	25.0 0.98	24