Weather archive in Porto Nacional
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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 October 11, Sunday | 09 | 30.8 87 | 739.5 29.11 985.92 985.92 | 759.3 29.89 1012.32 1012.32 | 62 | Wind blowing from the south | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | no clouds no clouds no clouds | Haze. | Fog or ice fog or thick haze. | Fog or ice fog or thick haze. | 20.0 12.4 | 22.7 73 | ||||||||||||||||
| October 10, Saturday | 21 | 31.3 88 | 737.3 29.03 982.99 982.99 | 757.0 29.8 1009.25 1009.25 | 58 | Wind blowing from the north-east | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | no clouds no clouds no clouds | 39.1 102 | 2.0 1.2 | 22.0 72 | ||||||||||||||||||
15 | 38.2 101 | 736.0 28.98 981.25 981.25 | 755.5 29.74 1007.25 1007.25 | 33 | Wind blowing from the south | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | Visibility reduced by smoke, e.g. veldt or forest fires, industrial smoke or volcanic ashes. | Fog or ice fog or thick haze. | Fog or ice fog or thick haze. | Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level. | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 600-1000 1968-3281 | Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with 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. | 4.0 2.5 | 19.1 66 | ||||||||||||
09 | 31.2 88 | 740.0 29.13 986.59 986.59 | 759.7 29.91 1012.85 1012.85 | 54 | Wind blowing from the north | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 20–30%. 2/10–3/10. 2 oktas | Haze. | Fog or ice fog or thick haze. | 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. | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 1000-1500 3281-4921 | Altocumulus translucidus at a single level. | Cirrus fibratus, sometimes uncinus, not progressively invading the sky. | 10.0 6.2 | 20.8 69 | ||||||||||||