Weather archive in Nungambakkam
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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 August 17, Monday | 20:30 | 30.2 86 | 755.7 29.75 1007.52 1007.52 | 756.2 29.77 1008.18 1008.18 | 1.1 0.04 1.47 1.47 | 85 | Wind blowing from the south-east | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 50%. 5/10. 4 oktas | Stratocumulus other than Stratocumulus cumulogenitus. | 20–30%. 2/10–3/10. 2 oktas | 600-1000 1968-3281 | Altocumulus translucidus at a single level. | Cirrus fibratus, sometimes uncinus, not progressively invading the sky. | 4.0 2.5 | 27.4 81 | |||||||||||||
17:30 | 31.5 89 | 754.6 29.71 1006.05 1006.05 | 755.1 29.73 1006.72 1006.72 | 0.2 0.01 0.27 0.27 | 84 | Wind blowing from the east-southeast | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | Thunderstorm, but no precipitation at the time of observation. | 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. | 37.1 99 | Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus. | 50%. 5/10. 4 oktas | 600-1000 1968-3281 | No Altocumulus, Altostratus or Nimbostratus. | Cirrus fibratus, sometimes uncinus, not progressively invading the sky. | 10.0 6.2 | 28.4 83 | ||||||||||
14:30 | 36.0 97 | 754.4 29.7 1005.78 1005.78 | 754.9 29.72 1006.45 1006.45 | -1.5 -0.06 -2 -2 | 57 | Wind blowing from the south-east | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 50%. 5/10. 4 oktas | Stratocumulus cumulogenitus. | 20–30%. 2/10–3/10. 2 oktas | 600-1000 1968-3281 | Altocumulus translucidus at a single level. | Cirrus fibratus, sometimes uncinus, not progressively invading the sky. | 10.0 6.2 | 26.3 79 | ||||||||||||||
11:30 | 34.7 94 | 755.9 29.76 1007.78 1007.78 | 756.4 29.78 1008.45 1008.45 | -0.3 -0.01 -0.4 -0.4 | 63 | Wind blowing from the south-west | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 60%. 6/10. 5 oktas | Stratocumulus other than Stratocumulus cumulogenitus. | 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. | Cirrus spissatus, in patches or entangled sheaves, which usually do not increase and sometimes seem to be the remains of the upper part of a Cumulonimbus; or Cirrus castellanus or floccus. | 10.0 6.2 | 26.6 80 | ||||||||||||||
08:30 | 31.0 88 | 756.2 29.77 1008.18 1008.18 | 756.7 29.79 1008.85 1008.85 | 1.1 0.04 1.47 1.47 | 72 | Wind blowing from the west-northwest | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 60%. 6/10. 5 oktas | 27.7 82 | Stratocumulus other than Stratocumulus cumulogenitus. | 20–30%. 2/10–3/10. 2 oktas | 600-1000 1968-3281 | Altocumulus translucidus at a single level. | Cirrus spissatus, in patches or entangled sheaves, which usually do not increase and sometimes seem to be the remains of the upper part of a Cumulonimbus; or Cirrus castellanus or floccus. | 10.0 6.2 | 25.4 78 | |||||||||||||
05:30 | 28.5 83 | 755.1 29.73 1006.72 1006.72 | 755.6 29.75 1007.38 1007.38 | 87 | Wind blowing from the north-west | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 60%. 6/10. 5 oktas | Stratocumulus other than Stratocumulus cumulogenitus. | 20–30%. 2/10–3/10. 2 oktas | 600-1000 1968-3281 | Altocumulus translucidus at a single level. | Cirrus fibratus, sometimes uncinus, not progressively invading the sky. | 4.0 2.5 | 26.2 79 | |||||||||||||||