Weather archive in Ust-Kut
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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 28, Sunday | 14 | -19.5 -3 | 736.1 28.98 981.39 981.39 | 769.0 30.28 1025.25 1025.25 | 0.6 0.02 0.8 0.8 | 56 | Wind blowing from the west-southwest | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 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. | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 40%. 4/10. 3 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | Altocumulus translucidus at a single level. | 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 | -26.1 -15 | ||||||||||
11 | -21.1 -6 | 735.5 28.96 980.59 980.59 | 768.6 30.26 1024.72 1024.72 | 1.3 0.05 1.73 1.73 | 61 | Wind blowing from the south-southwest | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 70 – 80%. 7/10 – 8/10. 6 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. | -21.1 -6 | 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. | Altocumulus translucidus at a single level. | Cirrus fibratus, sometimes uncinus, not progressively invading the sky. | 20.0 12.4 | -26.7 -16 | ||||||||||
08 | -20.2 -4 | 734.2 28.91 978.85 978.85 | 767.1 30.2 1022.72 1022.72 | 1.2 0.05 1.6 1.6 | 63 | Wind blowing from the south-west | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 100%. 10/10. 8 oktas | Continuous fall of snowflakes, slight at time of observation. | Snow and/or other types of solid precipitation | Blizzard | -20.2 -4 | Stratus fractus or Cumulus fractus of bad weather, or both (pannus), usually below Altostratus or Nimbostratus. | 20–30%. 2/10–3/10. 2 oktas | 300-600 984-1968 | Altostratus opacus or Nimbostratus. | -25.4 -14 | 0.3 0.01 | 12 | Even layer of loose dry snow covering ground completely. | 43 16.9 | ||||||||
05 | -19.1 -2 | 733.0 28.86 977.25 977.25 | 765.7 30.15 1020.85 1020.85 | 1.5 0.06 2 2 | 60 | Wind blowing from the west-southwest | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 10 m/s 36 km/h 22 mph 19 knots 5 Bft | 100%. 10/10. 8 oktas | Slight or moderate drifting snow generally low (below eye level). | Blizzard | 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. | Altostratus opacus or Nimbostratus. | -24.9 -13 | ||||||||||||
02 | -18.2 -1 | 731.5 28.8 975.25 975.25 | 764.0 30.08 1018.58 1018.58 | 1.0 0.04 1.33 1.33 | 59 | Wind blowing from the west-southwest | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 13 m/s 47 km/h 29 miles/hour 25 knots 6 Bft | 100%. 10/10. 8 oktas | Slight or moderate drifting snow generally low (below eye level). | Shower(s). | Blizzard | 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. | 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 covering the whole sky. | -24.3 -12 | |||||||||||
| December 27, Saturday | 23 | -16.6 2 | 730.5 28.76 973.92 973.92 | 762.8 30.03 1016.98 1016.98 | 2.0 0.08 2.67 2.67 | 53 | Wind blowing from the west-southwest | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 13 m/s 47 km/h 29 miles/hour 25 knots 6 Bft | 13 m/s 47 km/h 29 miles/hour 25 knots 6 Bft | 100%. 10/10. 8 oktas | Slight or moderate drifting snow generally low (below eye level). | Shower(s). | Blizzard | Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus. | 40%. 4/10. 3 oktas | 600-1000 1968-3281 | No Altocumulus, Altostratus or Nimbostratus. | Cirrostratus covering the whole sky. | -24.0 -11 | |||||||||
20 | -13.4 8 | 728.5 28.68 971.25 971.25 | 760.3 29.93 1013.65 1013.65 | 3.7 0.15 4.93 4.93 | 71 | Wind blowing from the west | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 11 m/s 40 km/h 25 miles/hour 21 mile/hour 6 Bft | 17 m/s 61 km/h 38 miles/hour 33 knots 7 Bft | 100%. 10/10. 8 oktas | Snow shower(s), slight. | Shower(s). | Blizzard | -4.6 24 | Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus. | 60%. 6/10. 5 oktas | 600-1000 1968-3281 | Altostratus opacus or Nimbostratus. | -17.6 0 | 0.5 0.02 | 12 | ||||||||
17 | -8.3 17 | 724.8 28.54 966.32 966.32 | 755.8 29.76 1007.65 1007.65 | 3.5 0.14 4.67 4.67 | 69 | Wind blowing from the west | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 12 m/s 43 km/h 27 miles/hour 23 knots 6 Bft | 100%. 10/10. 8 oktas | Slight or moderate drifting snow generally low (below eye level). | Shower(s). | Blizzard | Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus. | 70 – 80%. 7/10 – 8/10. 6 oktas | 600-1000 1968-3281 | Altostratus opacus or Nimbostratus. | 10.0 6.2 | -13.1 8 | |||||||||||
14 | -5.1 23 | 721.3 28.4 961.65 961.65 | 751.7 29.59 1002.18 1002.18 | 0.9 0.04 1.2 1.2 | 63 | Wind blowing from the west-southwest | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 100%. 10/10. 8 oktas | Slight or moderate drifting snow generally low (below eye level). | Shower(s). | Blizzard | Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus. | 60%. 6/10. 5 oktas | 600-1000 1968-3281 | Altostratus opacus or Nimbostratus. | 20.0 12.4 | -11.2 12 | ||||||||||||