Weather archive in Kostroma
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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 16, Tuesday | 15 | -5.2 23 | 748.5 29.47 997.92 997.92 | 760.7 29.95 1014.18 1014.18 | -1.9 -0.07 -2.53 -2.53 | 93 | Wind blowing from the south | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 100%. 10/10. 8 oktas | Continuous fall of snowflakes, slight at time of observation. | Snow and/or other types of solid precipitation | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Stratocumulus other than Stratocumulus cumulogenitus. | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 10.0 6.2 | -6.1 21 | ||||||||||||
12 | -7.5 19 | 750.4 29.54 1000.45 1000.45 | 762.7 30.03 1016.85 1016.85 | -1.9 -0.07 -2.53 -2.53 | 91 | Wind blowing from the south | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 100%. 10/10. 8 oktas | Continuous fall of snowflakes, slight at time of observation. | Snow and/or other types of solid precipitation | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Stratocumulus other than Stratocumulus cumulogenitus. | 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. | 4.0 2.5 | -8.8 16 | ||||||||||||
09 | -8.7 16 | 752.3 29.62 1002.98 1002.98 | 764.7 30.11 1019.52 1019.52 | -0.5 -0.02 -0.67 -0.67 | 77 | Wind blowing from the south | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 100%. 10/10. 8 oktas | Stratocumulus other than Stratocumulus cumulogenitus. | 50%. 5/10. 4 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. | 20.0 12.4 | -12.1 10 | |||||||||||||||
06 | -10.4 13 | 752.8 29.64 1003.65 1003.65 | 765.4 30.13 1020.45 1020.45 | -0.2 -0.01 -0.27 -0.27 | 85 | Wind blowing from the south | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 100%. 10/10. 8 oktas | -13.8 7 | Stratocumulus other than Stratocumulus cumulogenitus. | 20–30%. 2/10–3/10. 2 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. | 50.0 31.1 | -12.4 10 | No precipitation No precipitation | 12 | Even layer of loose dry snow covering ground completely. | 1 0.4 | ||||||||||
03 | -12.4 10 | 753.0 29.65 1003.92 1003.92 | 765.6 30.14 1020.72 1020.72 | 0.4 0.02 0.53 0.53 | 90 | Wind blowing from the south-southwest | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | -13.7 7 | |||||||||||||||||||||
00 | -11.5 11 | 752.6 29.63 1003.38 1003.38 | 765.1 30.12 1020.05 1020.05 | 1.1 0.04 1.47 1.47 | 83 | Wind blowing from the west | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | -13.8 7 | |||||||||||||||||||||
| December 15, Monday | 21 | -10.2 14 | 751.5 29.59 1001.92 1001.92 | 763.9 30.07 1018.45 1018.45 | 1.4 0.06 1.87 1.87 | 83 | Wind blowing from the west | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 20–30%. 2/10–3/10. 2 oktas | 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. | 50.0 31.1 | -12.5 10 | |||||||||||||
18 | -9.8 14 | 750.1 29.53 1000.05 1000.05 | 762.5 30.02 1016.58 1016.58 | 1.0 0.04 1.33 1.33 | 78 | Wind blowing from the west-northwest | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 40%. 4/10. 3 oktas | -7.4 19 | Stratocumulus other than Stratocumulus cumulogenitus. | 20–30%. 2/10–3/10. 2 oktas | 600-1000 1968-3281 | Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels. | No Cirrus, Cirrocumulus or Cirrostratus. | 50.0 31.1 | -12.9 9 | No precipitation No precipitation | 12 | |||||||||||
15 | -9.3 15 | 749.1 29.49 998.72 998.72 | 761.5 29.98 1015.25 1015.25 | 0.5 0.02 0.67 0.67 | 75 | Calm, no wind | Calm | 20–30%. 2/10–3/10. 2 oktas | Stratocumulus cumulogenitus. | 20–30%. 2/10–3/10. 2 oktas | 600-1000 1968-3281 | No Altocumulus, Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 20.0 12.4 | -12.9 9 | ||||||||||||||