Weather archive in Sumy
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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 14, Sunday | 14 | -3.1 26 | 754.1 29.69 1005.38 1005.38 | 766.6 30.18 1022.05 1022.05 | -0.8 -0.03 -1.07 -1.07 | 81 | Wind blowing from the west | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 100%. 10/10. 8 oktas | Snow shower(s), slight. | Shower(s). | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Cumulonimbus calvus, with or without Cumulus, Stratocumulus or Stratus. | 60%. 6/10. 5 oktas | 600-1000 1968-3281 | Altocumulus translucidus in bands, or one or more layers of Altocumulus translucidus or opacus, progressively invading the sky; these Altocumulus clouds generally thicken as a whole. | 10.0 6.2 | -5.9 21 | Trace of precipitation Trace of precipitation | 6 | |||||||||
11 | -3.3 26 | 754.9 29.72 1006.45 1006.45 | 767.5 30.22 1023.25 1023.25 | -0.7 -0.03 -0.93 -0.93 | 72 | Wind blowing from the west-northwest | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 100%. 10/10. 8 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 100%. 10/10. 8 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | Altocumulus translucidus in bands, or one or more layers of Altocumulus translucidus or opacus, progressively invading the sky; these Altocumulus clouds generally thicken as a whole. | 10.0 6.2 | -7.6 18 | |||||||||||||||
08 | -4.7 24 | 755.6 29.75 1007.38 1007.38 | 768.2 30.24 1024.18 1024.18 | -0.5 -0.02 -0.67 -0.67 | 76 | Wind blowing from the west-southwest | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 100%. 10/10. 8 oktas | -6.1 21 | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 100%. 10/10. 8 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | Altocumulus translucidus in bands, or one or more layers of Altocumulus translucidus or opacus, progressively invading the sky; these Altocumulus clouds generally thicken as a whole. | 10.0 6.2 | -8.3 17 | ||||||||||||||
05 | -5.6 22 | 756.1 29.77 1008.05 1008.05 | 768.7 30.26 1024.85 1024.85 | -0.9 -0.04 -1.2 -1.2 | 77 | Calm, no wind | Calm | no clouds no clouds no clouds | 10.0 6.2 | -9.0 16 | |||||||||||||||||||
02 | -5.9 21 | 757.0 29.8 1009.25 1009.25 | 769.7 30.3 1026.18 1026.18 | -0.1 -0 -0.13 -0.13 | 74 | Wind blowing from the west | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | no clouds no clouds no clouds | 10.0 6.2 | -9.8 14 | |||||||||||||||||||
| December 13, Saturday | 23 | -5.1 23 | 757.1 29.81 1009.38 1009.38 | 769.7 30.3 1026.18 1026.18 | 0.4 0.02 0.53 0.53 | 68 | Wind blowing from the north-west | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | no clouds no clouds no clouds | 10.0 6.2 | -10.1 14 | ||||||||||||||||||
20 | -4.0 25 | 756.7 29.79 1008.85 1008.85 | 769.3 30.29 1025.65 1025.65 | 0.5 0.02 0.67 0.67 | 64 | Wind blowing from the north-west | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | no clouds no clouds no clouds | -1.1 30 | 10.0 6.2 | -9.8 14 | ||||||||||||||||||
17 | -2.8 27 | 756.2 29.77 1008.18 1008.18 | 768.7 30.26 1024.85 1024.85 | 1.4 0.06 1.87 1.87 | 63 | Wind blowing from the north-west | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | no clouds no clouds no clouds | 10.0 6.2 | -9.0 16 | |||||||||||||||||||
14 | -1.5 29 | 754.8 29.72 1006.32 1006.32 | 767.2 30.2 1022.85 1022.85 | 0.6 0.02 0.8 0.8 | 54 | Wind blowing from the north | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 20–30%. 2/10–3/10. 2 oktas | Stratocumulus other than Stratocumulus cumulogenitus. | 20–30%. 2/10–3/10. 2 oktas | 600-1000 1968-3281 | No Altocumulus, Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 10.0 6.2 | -9.7 15 | ||||||||||||||