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 | |
| 2025 March 12, Wednesday | 15 | 34.8 95 | 737.5 29.04 983.25 983.25 | 757.3 29.81 1009.65 1009.65 | 46 | Wind blowing from the south | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 60%. 6/10. 5 oktas | Stratocumulus cumulogenitus. | 40%. 4/10. 3 oktas | 1500-2000 4921-6562 | Altocumulus castellanus or floccus. | No Cirrus, Cirrocumulus or Cirrostratus. | 20.0 12.4 | 21.5 71 | ||||||||||||||
09 | 27.4 81 | 740.0 29.13 986.59 986.59 | 760.2 29.93 1013.52 1013.52 | 80 | Calm, no wind | Calm | 40%. 4/10. 3 oktas | 23.6 74 | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | no clouds no clouds no clouds | 1500-2000 4921-6562 | No Altocumulus, Altostratus or Nimbostratus. | Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole, but the continuous veil does not reach 45 degrees above the horizon. | 20.0 12.4 | 23.6 74 | 1.0 0.04 | 24 | ||||||||||||
| March 11, Tuesday | 21 | 25.1 77 | 738.4 29.07 984.45 984.45 | 758.6 29.87 1011.38 1011.38 | 88 | Wind blowing from the south | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 20–30%. 2/10–3/10. 2 oktas | 31.1 88 | 1500-2000 4921-6562 | 2.0 1.2 | 23.0 73 | |||||||||||||||||
15 | 27.6 82 | 737.7 29.04 983.52 983.52 | 757.8 29.83 1010.32 1010.32 | 77 | 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 | Clouds generally forming or developing. | Drizzle. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Stratocumulus cumulogenitus. | 20–30%. 2/10–3/10. 2 oktas | 300-600 984-1968 | Altocumulus cumulogenitus (or cumulonimbogenitus). | 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 | 23.2 74 | 1.0 0.04 | 6 | ||||||||||