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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 December 21, Sunday | 11 | -6.7 20 | 576.2 22.69 768.2 768.2 | 765.3 30.13 1020.32 1020.32 | 0.4 0.02 0.53 0.53 | 32 | Wind blowing from the south-southwest | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | Stratocumulus other than Stratocumulus cumulogenitus. | 40%. 4/10. 3 oktas | 1000-1500 3281-4921 | Altocumulus castellanus or floccus. | Cirrostratus not progressively invading the sky and not entirely covering it. | 50.0 31.1 | -20.6 -5 | |||||||||||||
08 | -7.1 19 | 575.8 22.67 767.67 767.67 | 765.1 30.12 1020.05 1020.05 | -1.0 -0.04 -1.33 -1.33 | 33 | Wind blowing from the west | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 20–30%. 2/10–3/10. 2 oktas | -15.7 4 | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 20–30%. 2/10–3/10. 2 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels. | No Cirrus, Cirrocumulus or Cirrostratus. | -20.9 -6 | ||||||||||||||
05 | -7.6 18 | 576.8 22.71 769 769 | 766.9 30.19 1022.45 1022.45 | -0.9 -0.04 -1.2 -1.2 | 32 | Wind blowing from the north | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | no clouds no clouds no clouds | -21.7 -7 | ||||||||||||||||||||
02 | -9.9 14 | 577.7 22.74 770.2 770.2 | 770.0 30.31 1026.58 1026.58 | -1.2 -0.05 -1.6 -1.6 | 29 | Wind blowing from the north | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | no clouds no clouds no clouds | -24.6 -12 | ||||||||||||||||||||
| December 20, Saturday | 23 | -14.0 7 | 578.9 22.79 771.8 771.8 | 775.1 30.52 1033.38 1033.38 | -0.4 -0.02 -0.53 -0.53 | 34 | Wind blowing from the north-northeast | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | no clouds no clouds no clouds | -26.7 -16 | |||||||||||||||||||
20 | -12.4 10 | 579.3 22.81 772.34 772.34 | 774.3 30.48 1032.32 1032.32 | -0.1 -0 -0.13 -0.13 | 33 | Wind blowing from the west-northwest | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 50%. 5/10. 4 oktas | State of sky on the whole unchanged. | Blizzard | Cloud covering more than 1/2 of the sky throughout the appropriate period. | -4.8 23 | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 50%. 5/10. 4 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | Altocumulus castellanus or floccus. | No Cirrus, Cirrocumulus or Cirrostratus. | -25.5 -14 | |||||||||||
17 | -7.6 18 | 579.4 22.81 772.47 772.47 | 770.3 30.33 1026.98 1026.98 | -0.7 -0.03 -0.93 -0.93 | 20 | Wind blowing from the west-southwest | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 60%. 6/10. 5 oktas | Dust or sand raised by wind at or near the station at the time of observation, but no well-developed dust whirl(s) or sand whirl(s), and no duststorm or sandstorm seen; or, in the case of ships, blowing spray at the station. | Blizzard | 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. | 60%. 6/10. 5 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels. | No Cirrus, Cirrocumulus or Cirrostratus. | 50.0 31.1 | -26.8 -16 | |||||||||||
14 | -4.9 23 | 580.1 22.84 773.4 773.4 | 769.2 30.28 1025.52 1025.52 | -1.2 -0.05 -1.6 -1.6 | 12 | Wind blowing from the south-west | Fresh breeze (10 m/s) (36 km/h) (22 mph) (19 knots) (5 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | Dust or sand raised by wind at or near the station at the time of observation, but no well-developed dust whirl(s) or sand whirl(s), and no duststorm or sandstorm seen; or, in the case of ships, blowing spray at the station. | Blizzard | Cloud covering 1/2 or less of the sky throughout the appropriate period. | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 50%. 5/10. 4 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 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. | Cirrostratus not progressively invading the sky and not entirely covering it. | 50.0 31.1 | -29.9 -22 | |||||||||||
11 | -8.2 17 | 581.3 22.89 775 775 | 773.3 30.44 1030.98 1030.98 | -1.3 -0.05 -1.73 -1.73 | 16 | Wind blowing from the west | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 20–30%. 2/10–3/10. 2 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | no clouds no clouds no clouds | 2500 or more, or no clouds. 8202 or more, or no clouds. | No Altocumulus, Altostratus or Nimbostratus. | Cirrostratus not progressively invading the sky and not entirely covering it. | 50.0 31.1 | -29.3 -21 | ||||||||||||||