Weather archive in Katunayake / Bandaranaike (airport)
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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 February 23, Sunday | 23:30 | 26.4 80 | 759.9 29.92 1013.12 1013.12 | 760.8 29.95 1014.32 1014.32 | 74 | Wind blowing from the north-east | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | no clouds no clouds no clouds | Cloud development not observed or not observable. | Cloud covering 1/2 or less of the sky throughout the appropriate period. | Cloud covering 1/2 or less of the sky throughout the appropriate period. | 20.0 12.4 | 21.3 70 | No precipitation No precipitation | 9 | ||||||||||||||
17:30 | 30.0 86 | 757.1 29.81 1009.38 1009.38 | 758.0 29.84 1010.58 1010.58 | 73 | Wind blowing from the west-northwest | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 50%. 5/10. 4 oktas | State of sky on the whole unchanged. | Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the period. | Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the period. | 26.6 80 | 34.2 94 | Cumulus humilis or Cumulus fractus other than of bad weather, or both. | 50%. 5/10. 4 oktas | 300-600 984-1968 | No Altocumulus, Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 20.0 12.4 | 24.6 76 | No precipitation No precipitation | 9 | ||||||||
11:30 | 32.1 90 | 759.7 29.91 1012.85 1012.85 | 760.6 29.94 1014.05 1014.05 | 53 | Wind blowing from the north-west | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 40%. 4/10. 3 oktas | Clouds generally forming or developing. | Cloud covering 1/2 or less of the sky throughout the appropriate period. | Cloud covering 1/2 or less of the sky throughout the appropriate period. | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 40%. 4/10. 3 oktas | 300-600 984-1968 | No Altocumulus, Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 20.0 12.4 | 21.5 71 | No precipitation No precipitation | 9 | ||||||||||
05:30 | 23.2 74 | 758.9 29.88 1011.78 1011.78 | 759.8 29.91 1012.98 1012.98 | 96 | Wind blowing from the north-east | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 20–30%. 2/10–3/10. 2 oktas | Mist. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the period. | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 20–30%. 2/10–3/10. 2 oktas | 300-600 984-1968 | No Altocumulus, Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 6.0 3.7 | 22.6 73 | No precipitation No precipitation | 9 | ||||||||||