Weather archive in Ulan Bator / Songiin (airport)
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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 19, Friday | 11 | -20.2 -4 | 653.8 25.74 871.66 871.66 | 776.2 30.56 1034.85 1034.85 | 1.5 0.06 2 2 | 66 | Wind blowing from the west-northwest | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 20–30%. 2/10–3/10. 2 oktas | 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 | 2000-2500 6562-8202 | Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels. | Cirrus uncinus or fibratus, or both, progressively invading the sky; they generally thicken as a whole. | 50.0 31.1 | -24.9 -13 | |||||||||||||
08 | -19.6 -3 | 652.3 25.68 869.66 869.66 | 774.1 30.48 1032.05 1032.05 | 1.5 0.06 2 2 | 68 | Wind blowing from the north-northwest | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 50%. 5/10. 4 oktas | State of sky on the whole unchanged. | Snow and/or other types of solid precipitation | Blizzard | -20.5 -5 | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 40%. 4/10. 3 oktas | 2000-2500 6562-8202 | Altocumulus translucidus at a single level. | Cirrus uncinus or fibratus, or both, progressively invading the sky; they generally thicken as a whole. | -24.0 -11 | 0.3 0.01 | 12 | Even layer of loose dry snow covering ground completely. | 7 2.8 | |||||||
05 | -16.4 2 | 650.8 25.62 867.66 867.66 | 770.7 30.34 1027.52 1027.52 | 2.8 0.11 3.73 3.73 | 69 | Wind blowing from the north-northwest | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 100%. 10/10. 8 oktas | Continuous fall of snowflakes, moderate at time of observation. | Snow and/or other types of solid precipitation | Blizzard | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | Altostratus opacus or Nimbostratus. | -20.8 -5 | |||||||||||||
02 | -15.5 4 | 648.0 25.51 863.93 863.93 | 766.9 30.19 1022.45 1022.45 | 2.5 0.1 3.33 3.33 | 72 | Wind blowing from the north-west | Fresh breeze (10 m/s) (36 km/h) (22 mph) (19 knots) (5 Bft) | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | State of sky on the whole unchanged. | Snow and/or other types of solid precipitation | Blizzard | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | 2000-2500 6562-8202 | Altostratus translucidus. | No Cirrus, Cirrocumulus or Cirrostratus. | -19.4 -3 | ||||||||||||
| December 18, Thursday | 23 | -11.8 11 | 645.5 25.41 860.6 860.6 | 762.2 30.01 1016.18 1016.18 | 1.2 0.05 1.6 1.6 | 72 | Wind blowing from the north-northwest | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 100%. 10/10. 8 oktas | Intermittent fall of snowflakes, moderate at time of observation. | Snow and/or other types of solid precipitation | Blizzard | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 100%. 10/10. 8 oktas | 2000-2500 6562-8202 | Altostratus opacus or Nimbostratus. | -15.8 4 | ||||||||||||
20 | -11.7 11 | 644.3 25.37 859 859 | 760.7 29.95 1014.18 1014.18 | 2.7 0.11 3.6 3.6 | 73 | Wind blowing from the north-west | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 50%. 5/10. 4 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. | -5.1 23 | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 50%. 5/10. 4 oktas | 2000-2500 6562-8202 | 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. | No Cirrus, Cirrocumulus or Cirrostratus. | -15.6 4 | Trace of precipitation Trace of precipitation | 12 | |||||||||
17 | -6.2 21 | 641.6 25.26 855.4 855.4 | 755.0 29.72 1006.58 1006.58 | 0.5 0.02 0.67 0.67 | 68 | Wind blowing from the west-northwest | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 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. | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | 2000-2500 6562-8202 | 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. | No Cirrus, Cirrocumulus or Cirrostratus. | 50.0 31.1 | -11.3 12 | |||||||||||
14 | -6.6 20 | 641.1 25.24 854.73 854.73 | 754.6 29.71 1006.05 1006.05 | -0.9 -0.04 -1.2 -1.2 | 74 | Wind blowing from the west | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | 2000-2500 6562-8202 | 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. | No Cirrus, Cirrocumulus or Cirrostratus. | 50.0 31.1 | -10.5 13 | ||||||||||||||
11 | -12.0 10 | 642.0 25.28 855.93 855.93 | 758.1 29.85 1010.72 1010.72 | -0.7 -0.03 -0.93 -0.93 | 73 | Wind blowing from the south-southeast | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 40%. 4/10. 3 oktas | 2000-2500 6562-8202 | Altocumulus translucidus at a single level. | Cirrus uncinus or fibratus, or both, progressively invading the sky; they generally thicken as a whole. | 50.0 31.1 | -15.9 3 | ||||||||||||||