Weather archive in Puttalam
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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 April 5, Saturday | 11:30 | 30.7 87 | 758.3 29.85 1010.98 1010.98 | 758.5 29.86 1011.25 1011.25 | -0.2 -0.01 -0.27 -0.27 | 73 | Wind blowing from the south-west | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | Clouds generally forming or developing. | 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. | Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level. | 40%. 4/10. 3 oktas | 300-600 984-1968 | No Altocumulus, Altostratus or Nimbostratus. | Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered. | 20.0 12.4 | 25.3 78 | No precipitation No precipitation | 9 | ||||||||
08:30 | 27.5 82 | 758.5 29.86 1011.25 1011.25 | 758.7 29.87 1011.52 1011.52 | 84 | Wind blowing from the east | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | 23.7 75 | Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level. | 20–30%. 2/10–3/10. 2 oktas | 300-600 984-1968 | No Altocumulus, Altostratus or Nimbostratus. | Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered. | 20.0 12.4 | 24.6 76 | No precipitation No precipitation | 9 | ||||||||||||
05:30 | 24.4 76 | 757.0 29.8 1009.25 1009.25 | 757.2 29.81 1009.52 1009.52 | 94 | Calm, no wind | Calm | no clouds no clouds no clouds | State of sky on the whole unchanged. | 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 | 23.3 74 | No precipitation No precipitation | 9 | |||||||||||||||
| April 4, Friday | 23:30 | 25.1 77 | 758.7 29.87 1011.52 1011.52 | 758.8 29.87 1011.65 1011.65 | 0.5 0.02 0.67 0.67 | 93 | Calm, no wind | Calm | no clouds no clouds no clouds | State of sky on the whole unchanged. | 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 | 23.9 75 | No precipitation No precipitation | 9 | |||||||||||||
20:30 | 26.2 79 | 758.2 29.85 1010.85 1010.85 | 758.3 29.85 1010.98 1010.98 | 91 | Calm, no wind | Calm | 70 – 80%. 7/10 – 8/10. 6 oktas | Cumulus humilis or Cumulus fractus other than of bad weather, or both. | 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. | Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered. | 20.0 12.4 | 24.7 76 | No precipitation No precipitation | 9 | |||||||||||||
17:30 | 26.6 80 | 756.7 29.79 1008.85 1008.85 | 756.9 29.8 1009.12 1009.12 | 87 | 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 | Clouds generally forming or developing. | Thunderstorm(s) with or without precipitation. | Shower(s). | 32.9 91 | Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level. | 60%. 6/10. 5 oktas | 300-600 984-1968 | Altostratus opacus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 20.0 12.4 | 24.3 76 | 23.0 0.91 | 9 | |||||||||
11:30 | 32.4 90 | 758.6 29.87 1011.38 1011.38 | 758.8 29.87 1011.65 1011.65 | 61 | Wind blowing from the north-east | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 50%. 5/10. 4 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. | Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level. | 50%. 5/10. 4 oktas | 300-600 984-1968 | No Altocumulus, Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 20.0 12.4 | 23.9 75 | No precipitation No precipitation | 9 | ||||||||||