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 | |
| 2026 September 20, Sunday | 06 | 6.1 43 | 754.9 29.72 1006.45 1006.45 | 765.8 30.15 1020.98 1020.98 | 100 | Wind blowing from the south-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 | 20–30%. 2/10–3/10. 2 oktas | Fog or ice fog, sky visible, has begun or has become thicker during the preceding hour. | 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. | 5.4 42 | 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 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. | 0.5 0.3 | 6.1 43 | No precipitation No precipitation | 12 | Surface of ground moist. | 7.0 45 | ||||
03 | 7.0 45 | 754.6 29.71 1006.05 1006.05 | 765.5 30.14 1020.58 1020.58 | 100 | Wind blowing from the south-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 | 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 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 | 7.0 45 | |||||||||||||||
00 | 7.3 45 | 754.5 29.7 1005.92 1005.92 | 765.4 30.13 1020.45 1020.45 | 100 | Calm, no wind | Calm | no clouds no clouds no clouds | 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 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 | 7.3 45 | |||||||||||||||||
| September 19, Saturday | 21 | 9.6 49 | 754.3 29.7 1005.65 1005.65 | 765.1 30.12 1020.05 1020.05 | 92 | Wind blowing from the south-east | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 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. | no clouds no clouds no clouds | 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 fibratus, sometimes uncinus, not progressively invading the sky. | 10.0 6.2 | 8.4 47 | |||||||||||||
18 | 15.1 59 | 754.1 29.69 1005.38 1005.38 | 764.7 30.11 1019.52 1019.52 | 65 | Wind blowing from the south-west | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 3 m/s 11 km/h 7 miles/hour 6 knots 2 Bft | 5 m/s 18 km/h 11 miles/hour 10 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 | 18.6 65 | Stratocumulus cumulogenitus. | 70 – 80%. 7/10 – 8/10. 6 oktas | 600-1000 1968-3281 | Altostratus opacus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 10.0 6.2 | 8.6 47 | Trace of precipitation Trace of precipitation | 12 | ||||||||||
15 | 17.8 64 | 753.7 29.67 1004.85 1004.85 | 764.2 30.09 1018.85 1018.85 | 51 | Wind blowing from the west-southwest | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 4 m/s 14 km/h 9 miles/hour 8 knots 3 Bft | 6 m/s 22 km/h 13 miles/hour 12 knots 4 Bft | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus. | 70 – 80%. 7/10 – 8/10. 6 oktas | 600-1000 1968-3281 | 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. | 20.0 12.4 | 7.6 46 | |||||||||||||
09 | 14.1 57 | 753.1 29.65 1004.05 1004.05 | 763.7 30.07 1018.18 1018.18 | 84 | Wind blowing from the west | 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 | 3 m/s 11 km/h 7 miles/hour 6 knots 2 Bft | 100%. 10/10. 8 oktas | Drizzle (not freezing) or snow grains not falling as shower(s). | Drizzle. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Stratocumulus cumulogenitus. | 100%. 10/10. 8 oktas | 200-300 656-984 | 10.0 6.2 | 11.4 53 | ||||||||||||
06 | 11.5 53 | 752.5 29.63 1003.25 1003.25 | 763.1 30.04 1017.38 1017.38 | 98 | Wind blowing from the west | 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 | 100%. 10/10. 8 oktas | Mist. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | 9.9 50 | Stratus nebulosus or Stratus fractus other than of bad weather, or both. | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 4.0 2.5 | 11.2 52 | No precipitation No precipitation | 12 | Surface of ground moist. | 10.0 50 | |||||||