Weather archive in Koslan
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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 30, Tuesday | 21 | -10.7 13 | 739.3 29.11 985.65 985.65 | 751.2 29.57 1001.52 1001.52 | 0.0 0 0 0 | 85 | Wind blowing from the east-southeast | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | -12.8 9 | ||||||||||||||||||||
18 | -10.3 13 | 739.3 29.11 985.65 985.65 | 751.2 29.57 1001.52 1001.52 | 0.3 0.01 0.4 0.4 | 84 | Wind blowing from the east-southeast | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 100%. 10/10. 8 oktas | -9.1 16 | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 100%. 10/10. 8 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | Altocumulus translucidus in bands, or one or more layers of Altocumulus translucidus or opacus, progressively invading the sky; these Altocumulus clouds generally thicken as a whole. | 20.0 12.4 | -12.5 10 | No precipitation No precipitation | 12 | ||||||||||||
15 | -9.8 14 | 739.0 29.09 985.25 985.25 | 750.9 29.56 1001.12 1001.12 | 0.3 0.01 0.4 0.4 | 86 | Wind blowing from the south-east | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 100%. 10/10. 8 oktas | Stratocumulus other than Stratocumulus cumulogenitus. | 20–30%. 2/10–3/10. 2 oktas | 600-1000 1968-3281 | Altocumulus translucidus in bands, or one or more layers of Altocumulus translucidus or opacus, progressively invading the sky; these Altocumulus clouds generally thicken as a whole. | 20.0 12.4 | -11.8 11 | |||||||||||||||
12 | -9.5 15 | 738.7 29.08 984.85 984.85 | 750.5 29.55 1000.58 1000.58 | 0.4 0.02 0.53 0.53 | 85 | Wind blowing from the east-southeast | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 100%. 10/10. 8 oktas | Stratocumulus other than Stratocumulus cumulogenitus. | 70 – 80%. 7/10 – 8/10. 6 oktas | 600-1000 1968-3281 | Altocumulus translucidus in bands, or one or more layers of Altocumulus translucidus or opacus, progressively invading the sky; these Altocumulus clouds generally thicken as a whole. | 20.0 12.4 | -11.6 11 | |||||||||||||||
09 | -9.9 14 | 738.3 29.07 984.32 984.32 | 750.1 29.53 1000.05 1000.05 | 0.7 0.03 0.93 0.93 | 84 | Wind blowing from the south-east | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 100%. 10/10. 8 oktas | State of sky on the whole unchanged. | Snow and/or other types of solid precipitation | Cloud covering more than 1/2 of the sky throughout the appropriate period. | -9.9 14 | Stratocumulus other than Stratocumulus cumulogenitus. | 50%. 5/10. 4 oktas | 600-1000 1968-3281 | Altocumulus translucidus in bands, or one or more layers of Altocumulus translucidus or opacus, progressively invading the sky; these Altocumulus clouds generally thicken as a whole. | 20.0 12.4 | -12.1 10 | |||||||||||
06 | -9.1 16 | 737.6 29.04 983.39 983.39 | 749.4 29.5 999.12 999.12 | 0.5 0.02 0.67 0.67 | 86 | Calm, no wind | Calm | 100%. 10/10. 8 oktas | State of sky on the whole unchanged. | Snow and/or other types of solid precipitation | Cloud covering more than 1/2 of the sky throughout the appropriate period. | -10.3 13 | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 100%. 10/10. 8 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | Altocumulus translucidus in bands, or one or more layers of Altocumulus translucidus or opacus, progressively invading the sky; these Altocumulus clouds generally thicken as a whole. | 20.0 12.4 | -11.1 12 | 0.3 0.01 | 12 | Even layer of loose dry snow covering ground completely. | 48 18.9 | |||||||
03 | -9.0 16 | 737.1 29.02 982.72 982.72 | 748.9 29.48 998.45 998.45 | 0.6 0.02 0.8 0.8 | 85 | Calm, no wind | Calm | 100%. 10/10. 8 oktas | Continuous fall of snowflakes, slight at time of observation. | Snow and/or other types of solid precipitation | Cloud covering more than 1/2 of the sky throughout the appropriate period. | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 100%. 10/10. 8 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. | 10.0 6.2 | -11.1 12 | ||||||||||||
00 | -9.6 15 | 736.5 29 981.92 981.92 | 748.2 29.46 997.52 997.52 | 0.5 0.02 0.67 0.67 | 86 | Calm, no wind | Calm | 100%. 10/10. 8 oktas | Continuous fall of snowflakes, slight at time of observation. | Snow and/or other types of solid precipitation | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Stratocumulus other than Stratocumulus cumulogenitus. | 60%. 6/10. 5 oktas | 600-1000 1968-3281 | Altostratus opacus or Nimbostratus. | 10.0 6.2 | -11.6 11 | ||||||||||||
| December 29, Monday | 21 | -10.3 13 | 736.0 28.98 981.25 981.25 | 747.8 29.44 996.98 996.98 | 0.2 0.01 0.27 0.27 | 85 | Wind blowing from the south-east | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | -12.4 10 | ||||||||||||||||||||
