Weather archive in Onon
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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 August 18, Tuesday | 14 | 18.5 65 | 683.9 26.93 911.79 911.79 | 759.6 29.91 1012.72 1012.72 | -0.8 -0.03 -1.07 -1.07 | 80 | Wind blowing from the north-northeast | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | State of sky on the whole unchanged. | Rain. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | 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 | 15.0 59 | ||||||||||
11 | 15.5 60 | 684.7 26.96 912.86 912.86 | 761.2 29.97 1014.85 1014.85 | 0.6 0.02 0.8 0.8 | 100 | Wind blowing from the east-southeast | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 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. | Rain. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Cumulonimbus calvus, with or without Cumulus, Stratocumulus or Stratus. | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | 600-1000 1968-3281 | No Altocumulus, Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 50.0 31.1 | 15.5 60 | |||||||||||
08 | 13.1 56 | 684.1 26.93 912.06 912.06 | 761.4 29.98 1015.12 1015.12 | 0.3 0.01 0.4 0.4 | 100 | Wind blowing from the south | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 100%. 10/10. 8 oktas | Rain, not freezing, continuous, slight at time of observation. | Shower(s). | Shower(s). | 12.7 55 | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | Altostratus opacus or Nimbostratus. | 20.0 12.4 | 13.1 56 | 28.0 1.1 | 12 | |||||||||
05 | 13.1 56 | 683.8 26.92 911.66 911.66 | 761.0 29.96 1014.58 1014.58 | 0.4 0.02 0.53 0.53 | 100 | Wind blowing from the north-east | 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 | Rain shower(s), moderate or heavy. | Shower(s). | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus. | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | 600-1000 1968-3281 | No Altocumulus, Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 50.0 31.1 | 13.1 56 | |||||||||||
02 | 15.4 60 | 683.4 26.91 911.13 911.13 | 759.8 29.91 1012.98 1012.98 | 0.5 0.02 0.67 0.67 | 99 | Wind blowing from the south | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 50%. 5/10. 4 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 40%. 4/10. 3 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | Altocumulus castellanus or floccus. | Cirrus uncinus or fibratus, or both, progressively invading the sky; they generally thicken as a whole. | 50.0 31.1 | 15.2 59 | ||||||||||||||
| August 17, Monday | 23 | 15.7 60 | 682.9 26.89 910.46 910.46 | 759.2 29.89 1012.18 1012.18 | 0.4 0.02 0.53 0.53 | 98 | Wind blowing from the south-southeast | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 50%. 5/10. 4 oktas | Cumulonimbus calvus, with or without Cumulus, Stratocumulus or Stratus. | 20–30%. 2/10–3/10. 2 oktas | 600-1000 1968-3281 | No Altocumulus, Altostratus or Nimbostratus. | Cirrus uncinus or fibratus, or both, progressively invading the sky; they generally thicken as a whole. | 50.0 31.1 | 15.4 60 | |||||||||||||
20 | 18.0 64 | 682.5 26.87 909.93 909.93 | 0.7 0.03 0.93 0.93 | 80 | Calm, no wind | Calm | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | 22.1 72 | Cumulonimbus calvus, with or without Cumulus, Stratocumulus or Stratus. | 50%. 5/10. 4 oktas | 600-1000 1968-3281 | 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 | 14.4 58 | ||||||||||||||
17 | 21.8 71 | 681.8 26.84 908.99 908.99 | -0.4 -0.02 -0.53 -0.53 | 54 | Wind blowing from the east-southeast | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 50%. 5/10. 4 oktas | Cumulonimbus calvus, with or without Cumulus, Stratocumulus or Stratus. | 40%. 4/10. 3 oktas | 600-1000 1968-3281 | No Altocumulus, Altostratus or Nimbostratus. | Cirrus fibratus, sometimes uncinus, not progressively invading the sky. | 50.0 31.1 | 12.1 54 | |||||||||||||||
14 | 20.2 68 | 682.2 26.86 909.53 909.53 | 757.2 29.81 1009.52 1009.52 | -0.1 -0 -0.13 -0.13 | 64 | Wind blowing from the east | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | Cumulonimbus calvus, with or without Cumulus, Stratocumulus or Stratus. | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | 600-1000 1968-3281 | No Altocumulus, Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 50.0 31.1 | 13.2 56 | ||||||||||||||
