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 21, Friday | 17:30 | 30.0 86 | 757.6 29.83 1010.05 1010.05 | 758.5 29.86 1011.25 1011.25 | 0.0 0 0 0 | 65 | Wind blowing from the west-northwest | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 20–30%. 2/10–3/10. 2 oktas | Haze. | 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. | 33.8 93 | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 300-600 984-1968 | No Altocumulus, Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 9.0 5.6 | 22.7 73 | No precipitation No precipitation | 9 | |||||||
14:30 | 31.9 89 | 757.6 29.83 1010.05 1010.05 | 758.5 29.86 1011.25 1011.25 | 58 | Wind blowing from the west | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 40%. 4/10. 3 oktas | Haze. | 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 1/2 or less of the sky throughout the appropriate period. | 9.0 5.6 | 22.6 73 | No precipitation No precipitation | 9 | |||||||||||||||
11:30 | 32.5 91 | 759.0 29.88 1011.92 1011.92 | 759.9 29.92 1013.12 1013.12 | 50 | Wind blowing from the north-northeast | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 40%. 4/10. 3 oktas | Haze. | 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 1/2 or less of the sky throughout the appropriate period. | 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. | Cirrus fibratus, sometimes uncinus, not progressively invading the sky. | 9.0 5.6 | 20.7 69 | No precipitation No precipitation | 9 | ||||||||||
05:30 | 22.4 72 | 758.5 29.86 1011.25 1011.25 | 759.4 29.9 1012.45 1012.45 | 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 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. | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 300-600 984-1968 | No Altocumulus, Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 6.0 3.7 | 21.8 71 | No precipitation No precipitation | 9 | ||||||||||
| February 20, Thursday | 23:30 | 25.0 77 | 759.2 29.89 1012.18 1012.18 | 760.1 29.93 1013.38 1013.38 | 0.7 0.03 0.93 0.93 | 90 | Wind blowing from the east-southeast | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 50%. 5/10. 4 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 300-600 984-1968 | No Altocumulus, Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 10.0 6.2 | 23.2 74 | No precipitation No precipitation | 9 | |||||||||||
20:30 | 26.6 80 | 758.5 29.86 1011.25 1011.25 | 759.4 29.9 1012.45 1012.45 | 83 | Wind blowing from the north-northeast | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 20–30%. 2/10–3/10. 2 oktas | Haze. | 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. | 2500 or more, or no clouds. 8202 or more, or no clouds. | 9.0 5.6 | 23.4 74 | No precipitation No precipitation | 9 | ||||||||||||||
17:30 | 29.6 85 | 757.0 29.8 1009.25 1009.25 | 757.9 29.84 1010.45 1010.45 | 67 | Wind blowing from the north-west | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | Haze. | 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. | 26.5 80 | 33.9 93 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 9.0 5.6 | 22.9 73 | No precipitation No precipitation | 9 | ||||||||||||