Weather archive in Kazan-Opornaya (weather station)
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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 May 12, Tuesday | 15 | 22.1 72 | 749.2 29.5 998.85 998.85 | 759.3 29.89 1012.32 1012.32 | -0.8 -0.03 -1.07 -1.07 | 49 | Wind blowing from the south | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | Stratocumulus cumulogenitus. | 20–30%. 2/10–3/10. 2 oktas | 600-1000 1968-3281 | 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. | 4.0 2.5 | 11.0 52 | |||||||||||||
12 | 19.9 68 | 750.0 29.53 999.92 999.92 | 760.3 29.93 1013.65 1013.65 | -1.0 -0.04 -1.33 -1.33 | 51 | Wind blowing from the south-southeast | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | Stratocumulus other than Stratocumulus cumulogenitus. | 40%. 4/10. 3 oktas | 600-1000 1968-3281 | Altocumulus translucidus at a single level. | 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. | 4.0 2.5 | 9.3 49 | ||||||||||||||
09 | 14.6 58 | 751.0 29.57 1001.25 1001.25 | 761.5 29.98 1015.25 1015.25 | 0.1 0 0.13 0.13 | 62 | Wind blowing from the south | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | Stratocumulus other than Stratocumulus cumulogenitus. | 20–30%. 2/10–3/10. 2 oktas | 300-600 984-1968 | No Altocumulus, Altostratus or Nimbostratus. | Cirrus fibratus, sometimes uncinus, not progressively invading the sky. | 4.0 2.5 | 7.4 45 | ||||||||||||||
06 | 10.8 51 | 750.9 29.56 1001.12 1001.12 | 761.5 29.98 1015.25 1015.25 | -1.2 -0.05 -1.6 -1.6 | 75 | Wind blowing from the east | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | 8.6 47 | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 40%. 4/10. 3 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | Altocumulus translucidus at a single level. | Cirrus fibratus, sometimes uncinus, not progressively invading the sky. | 4.0 2.5 | 6.5 44 | 3.0 0.12 | 12 | Surface of ground moist. | 7.0 45 | |||||||||
03 | 8.9 48 | 752.1 29.61 1002.72 1002.72 | 762.8 30.03 1016.98 1016.98 | -0.7 -0.03 -0.93 -0.93 | 81 | Calm, no wind | Calm | 50%. 5/10. 4 oktas | State of sky on the whole unchanged. | Shower(s). | 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 spissatus, in patches or entangled sheaves, which usually do not increase and sometimes seem to be the remains of the upper part of a Cumulonimbus; or Cirrus castellanus or floccus. | 4.0 2.5 | 5.8 42 | |||||||||||
00 | 9.9 50 | 752.8 29.64 1003.65 1003.65 | 763.4 30.06 1017.78 1017.78 | -0.6 -0.02 -0.8 -0.8 | 78 | Wind blowing from the south-east | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 40%. 4/10. 3 oktas | State of sky on the whole unchanged. | Shower(s). | 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 spissatus, in patches or entangled sheaves, which usually do not increase and sometimes seem to be the remains of the upper part of a Cumulonimbus; or Cirrus castellanus or floccus. | 4.0 2.5 | 6.2 43 | |||||||||||
| May 11, Monday | 21 | 11.0 52 | 753.4 29.66 1004.45 1004.45 | 764.0 30.08 1018.58 1018.58 | -1.0 -0.04 -1.33 -1.33 | 71 | Wind blowing from the south | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 100%. 10/10. 8 oktas | Rain 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. | 100%. 10/10. 8 oktas | 1000-1500 3281-4921 | 4.0 2.5 | 5.9 43 | ||||||||||||
18 | 12.0 54 | 754.4 29.7 1005.78 1005.78 | 765.0 30.12 1019.92 1019.92 | -1.2 -0.05 -1.6 -1.6 | 56 | Wind blowing from the south | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 100%. 10/10. 8 oktas | Rain shower(s), slight. | Shower(s). | Cloud covering more than 1/2 of the sky throughout the appropriate period. | 16.2 61 | Cumulonimbus calvus, with or without Cumulus, Stratocumulus or Stratus. | 100%. 10/10. 8 oktas | 1000-1500 3281-4921 | 4.0 2.5 | 3.5 38 | 0.3 0.01 | 12 | ||||||||||
15 | 15.9 61 | 755.6 29.75 1007.38 1007.38 | 766.0 30.16 1021.25 1021.25 | -2.0 -0.08 -2.67 -2.67 | 31 | Wind blowing from the south-southeast | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 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. | 4.0 2.5 | -1.4 29 | |||||||||||||||