Weather archive in Pervomaysk
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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 28, Sunday | 17 | -19.7 -3 | 738.0 29.06 983.92 983.92 | 757.2 29.81 1009.52 1009.52 | 62 | Wind blowing from the west | 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 | Clouds generally dissolving or becoming less developed. | Fog or ice fog or thick haze. | 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 fibratus, sometimes uncinus, not progressively invading the sky. | 10.0 6.2 | -25.1 -13 | |||||||||
11 | -36.3 -33 | 736.6 29 982.05 982.05 | 757.0 29.8 1009.25 1009.25 | 61 | Calm, no wind | Calm | 70 – 80%. 7/10 – 8/10. 6 oktas | Fog or ice fog, sky visible, no appreciable change during the preceding hour. | Fog or ice fog or thick haze. | 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. | -41.2 -42 | 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. | Cirrocumulus alone, or Cirrocumulus accompanied by Cirrus or Cirrostratus or both, but Cirrocumulus is predominant. | 0.5 0.3 | -41.0 -42 | |||||||||||
08 | -40.9 -42 | 735.0 28.94 979.92 979.92 | 755.9 29.76 1007.78 1007.78 | 58 | Calm, no wind | Calm | no clouds no clouds no clouds | -40.9 -42 | 10.0 6.2 | -45.9 -51 | No precipitation No precipitation | 12 | Even layer of loose dry snow covering ground completely. | 29 11.4 | |||||||||||||||
05 | -38.7 -38 | 733.9 28.89 978.45 978.45 | 754.6 29.71 1006.05 1006.05 | 60 | Calm, no wind | Calm | no clouds no clouds no clouds | 10.0 6.2 | -43.5 -46 | ||||||||||||||||||||
02 | -37.3 -35 | 733.1 28.86 977.39 977.39 | 753.6 29.67 1004.72 1004.72 | 63 | Calm, no wind | Calm | 40%. 4/10. 3 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. | 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 | -41.7 -43 | |||||||||||||||