Weather archive in Bayan-Unjuul
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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 | |
| 2026 May 17, Sunday | 17 | 14.2 58 | 656.3 25.84 874.99 874.99 | 757.9 29.84 1010.45 1010.45 | -0.8 -0.03 -1.07 -1.07 | Wind blowing from the south | Fresh breeze (10 m/s) (36 km/h) (22 mph) (19 knots) (5 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | Dust or sand raised by wind at or near the station at the time of observation, but no well-developed dust whirl(s) or sand whirl(s), and no duststorm or sandstorm seen; or, in the case of ships, blowing spray at the station. | Storm | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels. | 50%. 5/10. 4 oktas | 1000-1500 3281-4921 | Altostratus translucidus. | No Cirrus, Cirrocumulus or Cirrostratus. | 50.0 31.1 | ||||||||||||
14 | 15.3 60 | 657.1 25.87 876.06 876.06 | 758.4 29.86 1011.12 1011.12 | -1.8 -0.07 -2.4 -2.4 | Wind blowing from the south | Strong breeze (12 m/s) (43 km/h) (27 miles/hour) (23 knots) (6 Bft) | 100%. 10/10. 8 oktas | Dust or sand raised by wind at or near the station at the time of observation, but no well-developed dust whirl(s) or sand whirl(s), and no duststorm or sandstorm seen; or, in the case of ships, blowing spray at the station. | Storm | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels. | 60%. 6/10. 5 oktas | 1000-1500 3281-4921 | Altostratus opacus or Nimbostratus. | 50.0 31.1 | ||||||||||||||
11 | 13.9 57 | 658.9 25.94 878.46 878.46 | 761.1 29.96 1014.72 1014.72 | -0.8 -0.03 -1.07 -1.07 | Wind blowing from the south | Fresh breeze (10 m/s) (36 km/h) (22 mph) (19 knots) (5 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level. | 70 – 80%. 7/10 – 8/10. 6 oktas | 1000-1500 3281-4921 | No Altocumulus, Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 50.0 31.1 | ||||||||||||||||
08 | 8.0 46 | 659.7 25.97 879.53 879.53 | 764.3 30.09 1018.98 1018.98 | -0.4 -0.02 -0.53 -0.53 | Wind blowing from the south | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | 2.1 36 | Stratocumulus other than Stratocumulus cumulogenitus. | 70 – 80%. 7/10 – 8/10. 6 oktas | 1000-1500 3281-4921 | No Altocumulus, Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 50.0 31.1 | |||||||||||||||
05 | 3.1 38 | 660.1 25.99 880.06 880.06 | 766.7 30.19 1022.18 1022.18 | 0.0 0 0 0 | Wind blowing from the south | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 100%. 10/10. 8 oktas | Stratocumulus other than Stratocumulus cumulogenitus. | 100%. 10/10. 8 oktas | 1000-1500 3281-4921 | |||||||||||||||||||
02 | 6.5 44 | 660.1 25.99 880.06 880.06 | 765.4 30.13 1020.45 1020.45 | 0.4 0.02 0.53 0.53 | Wind blowing from the south | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 60%. 6/10. 5 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 60%. 6/10. 5 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. | No Cirrus, Cirrocumulus or Cirrostratus. | |||||||||||||||||
| May 16, Saturday | 23 | 8.0 46 | 659.7 25.97 879.53 879.53 | 764.3 30.09 1018.98 1018.98 | 0.0 0 0 0 | Wind blowing from the east-southeast | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 50%. 5/10. 4 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 50%. 5/10. 4 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. | No Cirrus, Cirrocumulus or Cirrostratus. | ||||||||||||||||
20 | 12.1 54 | 659.7 25.97 879.53 879.53 | 762.7 30.03 1016.85 1016.85 | -0.4 -0.02 -0.53 -0.53 | Wind blowing from the east-southeast | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 50%. 5/10. 4 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. | 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. | 50.0 31.1 | ||||||||||||||||
17 | 15.5 60 | 660.1 25.99 880.06 880.06 | 761.8 29.99 1015.65 1015.65 | -1.1 -0.04 -1.47 -1.47 | Wind blowing from the south | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level. | 40%. 4/10. 3 oktas | 1000-1500 3281-4921 | 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 | ||||||||||||||||