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 13, Saturday | 14 | -19.3 -3 | 733.0 28.86 977.25 977.25 | 765.8 30.15 1020.98 1020.98 | -1.0 -0.04 -1.33 -1.33 | 75 | Calm, no wind | Calm | 100%. 10/10. 8 oktas | Clouds generally dissolving or becoming less developed. | 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. | no clouds no clouds no clouds | 2500 or more, or no clouds. 8202 or more, or no clouds. | No Altocumulus, Altostratus or Nimbostratus. | Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered. | 20.0 12.4 | -22.6 -9 | ||||||||||
11 | -20.3 -5 | 734.0 28.9 978.59 978.59 | 766.9 30.19 1022.45 1022.45 | -0.9 -0.04 -1.2 -1.2 | 78 | 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. | Altostratus opacus or Nimbostratus. | 10.0 6.2 | -23.2 -10 | ||||||||||||
08 | -21.6 -7 | 734.9 28.93 979.79 979.79 | 768.1 30.24 1024.05 1024.05 | -0.8 -0.03 -1.07 -1.07 | 79 | 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. | -21.8 -7 | 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. | -24.3 -12 | 0.7 0.03 | 12 | Even layer of loose dry snow covering ground completely. | 35 13.8 | ||||||||
05 | -20.4 -5 | 735.7 28.96 980.85 980.85 | 768.8 30.27 1024.98 1024.98 | -1.0 -0.04 -1.33 -1.33 | 80 | Calm, no wind | Calm | 60%. 6/10. 5 oktas | Clouds generally dissolving or becoming less developed. | 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. | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 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. | -23.0 -9 | ||||||||||||
02 | -19.4 -3 | 736.7 29 982.19 982.19 | 769.6 30.3 1026.05 1026.05 | -0.3 -0.01 -0.4 -0.4 | 81 | 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. | 40%. 4/10. 3 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | Altocumulus translucidus at a single level. | Cirrostratus covering the whole sky. | -21.9 -7 | ||||||||||||
| December 12, Friday | 23 | -16.1 3 | 737.0 29.02 982.59 982.59 | 769.5 30.3 1025.92 1025.92 | -0.2 -0.01 -0.27 -0.27 | 84 | 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. | 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. | Cirrostratus covering the whole sky. | -18.2 -1 | |||||||||||
20 | -12.7 9 | 737.2 29.02 982.85 982.85 | 769.3 30.29 1025.65 1025.65 | 0.9 0.04 1.2 1.2 | 82 | Wind blowing from the south-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. | -11.2 12 | 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. | -15.1 5 | 1.0 0.04 | 12 | ||||||||||
17 | -11.6 11 | 736.3 28.99 981.65 981.65 | 768.2 30.24 1024.18 1024.18 | 0.0 0 0 0 | 79 | Wind blowing from the south | 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. | 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. | 4.0 2.5 | -14.6 6 | ||||||||||||
14 | -12.4 10 | 736.3 28.99 981.65 981.65 | 768.2 30.24 1024.18 1024.18 | -1.6 -0.06 -2.13 -2.13 | 81 | Calm, no wind | Calm | 100%. 10/10. 8 oktas | Continuous fall of snowflakes, moderate at time of observation. | Shower(s). | Snow and/or other types of solid precipitation | 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. | 2.0 1.2 | -15.0 5 | ||||||||||||