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 September 15, Tuesday | 16 | 28.2 83 | 734.7 28.93 979.52 979.52 | 757.0 29.8 1009.25 1009.25 | -1.6 -0.06 -2.13 -2.13 | 77 | Wind blowing from the north | 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 | 600-1000 1968-3281 | 15.0 9.3 | 23.8 75 | |||||||||||||||
13 | 27.3 81 | 736.3 28.99 981.65 981.65 | 758.6 29.87 1011.38 1011.38 | -1.4 -0.06 -1.87 -1.87 | 83 | 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 | 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. | 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 | 24.1 75 | 0.7 0.03 | 18 | |||||||||||
10 | 25.3 78 | 737.7 29.04 983.52 983.52 | 760.2 29.93 1013.52 1013.52 | 1.1 0.04 1.47 1.47 | 89 | 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 | Rain (not freezing) not falling as shower(s). | 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. | 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 | 23.4 74 | |||||||||||||
07 | 24.2 76 | 736.6 29 982.05 982.05 | 759.2 29.89 1012.18 1012.18 | 93 | 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. | 23.6 74 | Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels. | 100%. 10/10. 8 oktas | 300-600 984-1968 | 4.0 2.5 | 23.0 73 | 0.3 0.01 | 12 | |||||||||||
01 | 23.6 74 | 736.4 28.99 981.79 981.79 | 759.0 29.88 1011.92 1011.92 | -0.5 -0.02 -0.67 -0.67 | 95 | Wind blowing from the west | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 100%. 10/10. 8 oktas | Rain, not freezing, intermittent, slight 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. | 60%. 6/10. 5 oktas | 300-600 984-1968 | Altostratus opacus or Nimbostratus. | 10.0 6.2 | 22.7 73 | 0.3 0.01 | 6 | ||||||||||
