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 31, Wednesday | 15 | -12.8 9 | 738.3 29.07 984.32 984.32 | 750.3 29.54 1000.32 1000.32 | -1.0 -0.04 -1.33 -1.33 | 81 | Wind blowing from the east | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 70 – 80%. 7/10 – 8/10. 6 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | Altocumulus translucidus at a single level. | No Cirrus, Cirrocumulus or Cirrostratus. | 20.0 12.4 | -15.4 4 | |||||||||||||
12 | -11.7 11 | 739.3 29.11 985.65 985.65 | 751.3 29.58 1001.65 1001.65 | -0.3 -0.01 -0.4 -0.4 | 83 | Wind blowing from the east-southeast | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 100%. 10/10. 8 oktas | Stratocumulus other than Stratocumulus cumulogenitus. | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 20.0 12.4 | -14.0 7 | ||||||||||||||||
09 | -11.3 12 | 739.6 29.12 986.05 986.05 | 751.6 29.59 1002.05 1002.05 | 0.0 0 0 0 | 83 | Wind blowing from the east | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 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. | -11.3 12 | Stratocumulus other than Stratocumulus cumulogenitus. | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 20.0 12.4 | -13.7 7 | ||||||||||||
06 | -10.9 12 | 739.6 29.12 986.05 986.05 | 751.4 29.58 1001.78 1001.78 | -0.3 -0.01 -0.4 -0.4 | 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 | Intermittent 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. | -10.9 12 | Stratocumulus other than Stratocumulus cumulogenitus. | 40%. 4/10. 3 oktas | 600-1000 1968-3281 | Altostratus opacus or Nimbostratus. | 10.0 6.2 | -13.0 9 | 3.0 0.12 | 12 | Even layer of loose dry snow covering ground completely. | 50 19.7 | |||||||
03 | -10.2 14 | 739.9 29.13 986.45 986.45 | 751.7 29.59 1002.18 1002.18 | 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 | 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. | Stratus fractus or Cumulus fractus of bad weather, or both (pannus), usually below Altostratus or Nimbostratus. | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | 300-600 984-1968 | Altostratus opacus or Nimbostratus. | 4.0 2.5 | -12.4 10 | ||||||||||||
00 | -10.3 13 | 739.6 29.12 986.05 986.05 | 751.4 29.58 1001.78 1001.78 | 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 | 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. | 70 – 80%. 7/10 – 8/10. 6 oktas | 300-600 984-1968 | Altostratus opacus or Nimbostratus. | 4.0 2.5 | -12.5 10 | ||||||||||||
| 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 | |||||||||||||||