Weather archive in Semyonov
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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 September 18, Thursday | 00 | 5.4 42 | 754.7 29.71 1006.18 1006.18 | 765.7 30.15 1020.85 1020.85 | 100 | Calm, no wind | Calm | 40%. 4/10. 3 oktas | Patches of shallow fog or ice fog at the station, whether on land or sea, not deeper than about 2 metres on land or 10 metres at sea. | Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the period. | Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the 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, but the continuous veil does not reach 45 degrees above the horizon. | 10.0 6.2 | 5.4 42 | |||||||||||
| September 17, Wednesday | 15 | 21.6 71 | 755.2 29.73 1006.85 1006.85 | 765.5 30.14 1020.58 1020.58 | 30 | Wind blowing from the south-west | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 4 m/s 14 km/h 9 miles/hour 8 knots 3 Bft | 8 m/s 29 km/h 18 miles/hour 16 knots 5 Bft | no clouds no clouds no clouds | 20.0 12.4 | 3.1 38 | |||||||||||||||||
09 | 12.6 55 | 755.9 29.76 1007.78 1007.78 | 766.6 30.18 1022.05 1022.05 | 70 | Wind blowing from the south | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 2 m/s 7 km/h 4 mph 4 knots 2 Bft | 2 m/s 7 km/h 4 mph 4 knots 2 Bft | no clouds no clouds no clouds | 20.0 12.4 | 7.3 45 | ||||||||||||||||||
03 | 3.8 39 | 756.2 29.77 1008.18 1008.18 | 767.2 30.2 1022.85 1022.85 | 100 | Wind blowing from the east-southeast | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 1 m/s 4 km/h 2 mph 2 knots 1 Bft | 2 m/s 7 km/h 4 mph 4 knots 2 Bft | no clouds no clouds no clouds | More or less continuous shallow fog or ice fog at the station, whether on land or sea, not deeper than about 2 metres on land or 10 metres at sea. | Cloud covering 1/2 or less of the sky throughout the appropriate period. | Cloud covering 1/2 or less of the sky throughout the appropriate period. | 10.0 6.2 | 3.8 39 | |||||||||||||||
00 | 5.2 41 | 756.3 29.78 1008.32 1008.32 | 767.2 30.2 1022.85 1022.85 | 100 | Calm, no wind | Calm | no clouds no clouds no clouds | More or less continuous shallow fog or ice fog at the station, whether on land or sea, not deeper than about 2 metres on land or 10 metres at sea. | Cloud covering 1/2 or less of the sky throughout the appropriate period. | Cloud covering 1/2 or less of the sky throughout the appropriate period. | 10.0 6.2 | 5.2 41 | |||||||||||||||||