Weather archive in Formosa (airport)
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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 September 15, Monday | 19 | 23.6 74 | 753.4 29.66 1004.45 1004.45 | 758.6 29.87 1011.38 1011.38 | 0.9 0.04 1.2 1.2 | 79 | Wind blowing from the south-east | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 40%. 4/10. 3 oktas | 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 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 | 19.8 68 | |||||||||||||
18 | 25.2 77 | 752.8 29.64 1003.65 1003.65 | 758.0 29.84 1010.58 1010.58 | -0.1 -0 -0.13 -0.13 | 73 | Wind blowing from the south-east | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 40%. 4/10. 3 oktas | 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 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 | 19.9 68 | ||||||||||||||
17 | 26.3 79 | 752.8 29.64 1003.65 1003.65 | 757.9 29.84 1010.45 1010.45 | -0.3 -0.01 -0.4 -0.4 | 68 | Wind blowing from the east-southeast | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 70 – 80%. 7/10 – 8/10. 6 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. | 20.0 12.4 | 19.8 68 | ||||||||||||||
16 | 25.8 78 | 752.5 29.63 1003.25 1003.25 | 757.6 29.83 1010.05 1010.05 | -1.2 -0.05 -1.6 -1.6 | 68 | Wind blowing from the east-southeast | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 70 – 80%. 7/10 – 8/10. 6 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. | 20.0 12.4 | 19.5 67 | ||||||||||||||
15 | 25.5 78 | 752.9 29.64 1003.78 1003.78 | 758.2 29.85 1010.85 1010.85 | -1.1 -0.04 -1.47 -1.47 | 69 | Wind blowing from the east | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 60%. 6/10. 5 oktas | State of sky on the whole unchanged. | Thunderstorm(s) with or without precipitation. | Rain. | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 60%. 6/10. 5 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. | 20.0 12.4 | 19.4 67 | Trace of precipitation Trace of precipitation | 6 | |||||||||
14 | 25.2 77 | 753.1 29.65 1004.05 1004.05 | 758.3 29.85 1010.98 1010.98 | -1.2 -0.05 -1.6 -1.6 | 70 | Wind blowing from the east | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 60%. 6/10. 5 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 60%. 6/10. 5 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. | 20.0 12.4 | 19.4 67 | ||||||||||||||
13 | 23.8 75 | 753.7 29.67 1004.85 1004.85 | 758.9 29.88 1011.78 1011.78 | -0.4 -0.02 -0.53 -0.53 | 78 | Wind blowing from the east | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | Clouds generally forming or developing. | Rain. | 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. | Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level. | 50%. 5/10. 4 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 | 19.8 68 | |||||||||||
12 | 23.7 75 | 754.0 29.69 1005.25 1005.25 | 759.3 29.89 1012.32 1012.32 | -0.3 -0.01 -0.4 -0.4 | 80 | Wind blowing from the east-southeast | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 20–30%. 2/10–3/10. 2 oktas | Rain (not freezing) not falling as shower(s). | Thunderstorm(s) with or without precipitation. | Rain. | 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 at a single level. | No Cirrus, Cirrocumulus or Cirrostratus. | 20.0 12.4 | 20.0 68 | |||||||||||
11 | 23.1 74 | 754.3 29.7 1005.65 1005.65 | 759.4 29.9 1012.45 1012.45 | 2.0 0.08 2.67 2.67 | 78 | Wind blowing from the south-east | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | Rain, not freezing, intermittent, slight at time of observation. | Thunderstorm(s) with or without precipitation. | Rain. | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 70 – 80%. 7/10 – 8/10. 6 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. | 9.0 5.6 | 19.1 66 | |||||||||||
10 | 21.4 71 | 754.1 29.69 1005.38 1005.38 | 759.4 29.9 1012.45 1012.45 | 3.1 0.12 4.13 4.13 | 85 | Wind blowing from the south-east | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 100%. 10/10. 8 oktas | Thunderstorm (with or without precipitation). | Thunderstorm(s) with or without precipitation. | Rain. | 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 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. | 20.0 12.4 | 18.7 66 | ||||||||||||
09 | 21.4 71 | 754.3 29.7 1005.65 1005.65 | 759.6 29.91 1012.72 1012.72 | 3.8 0.15 5.07 5.07 | 76 | Wind blowing from the south | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 100%. 10/10. 8 oktas | Thunderstorm, slight or moderate, without hail, but with rain and/or snow at time of observation. | Thunderstorm(s) with or without precipitation. | Rain. | 19.0 66 | 21.5 71 | Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus. | 20–30%. 2/10–3/10. 2 oktas | 1500-2000 4921-6562 | 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. | 9.0 5.6 | 17.0 63 | 35.0 1.38 | 24 | Surface of ground wet (standing water in small or large pools on surface). | 16.0 61 | ||||||
08 | 20.9 70 | 752.3 29.62 1002.98 1002.98 | 757.6 29.83 1010.05 1010.05 | 1.6 0.06 2.13 2.13 | 76 | Wind blowing from the south-southwest | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 100%. 10/10. 8 oktas | Thunderstorm, slight or moderate, without hail, but with rain and/or snow at time of observation. | Thunderstorm(s) with or without precipitation. | Rain. | 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. | 9.0 5.6 | 16.5 62 | ||||||||||||
07 | 20.0 68 | 751.0 29.57 1001.25 1001.25 | 756.3 29.78 1008.32 1008.32 | -0.1 -0 -0.13 -0.13 | 82 | Wind blowing from the north | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels. | 40%. 4/10. 3 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. | Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered. | 20.0 12.4 | 16.9 62 | ||||||||||||||
06 | 20.1 68 | 750.5 29.55 1000.58 1000.58 | 755.8 29.76 1007.65 1007.65 | -0.8 -0.03 -1.07 -1.07 | Wind blowing from the north-east | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 40%. 4/10. 3 oktas | 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. | No Cirrus, Cirrocumulus or Cirrostratus. | 20.0 12.4 | ||||||||||||||||
05 | 20.2 68 | 750.7 29.56 1000.85 1000.85 | 755.9 29.76 1007.78 1007.78 | -1.3 -0.05 -1.73 -1.73 | 87 | Wind blowing from the north-east | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 40%. 4/10. 3 oktas | 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. | No Cirrus, Cirrocumulus or Cirrostratus. | 20.0 12.4 | 18.0 64 | ||||||||||||||
04 | 20.1 68 | 751.1 29.57 1001.38 1001.38 | 756.4 29.78 1008.45 1008.45 | -1.4 -0.06 -1.87 -1.87 | 86 | Wind blowing from the north-east | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 40%. 4/10. 3 oktas | 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. | No Cirrus, Cirrocumulus or Cirrostratus. | 20.0 12.4 | 17.7 64 | ||||||||||||||
03 | 19.5 67 | 751.3 29.58 1001.65 1001.65 | 756.6 29.79 1008.72 1008.72 | -1.5 -0.06 -2 -2 | 93 | Wind blowing from the east-northeast | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 60%. 6/10. 5 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 60%. 6/10. 5 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | Altocumulus translucidus at a single level. | No Cirrus, Cirrocumulus or Cirrostratus. | 20.0 12.4 | 18.4 65 | No precipitation No precipitation | 6 | ||||||||||||
02 | 19.7 67 | 752.0 29.61 1002.58 1002.58 | 757.3 29.81 1009.65 1009.65 | -1.1 -0.04 -1.47 -1.47 | 93 | Wind blowing from the east | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 60%. 6/10. 5 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 60%. 6/10. 5 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | Altocumulus translucidus at a single level. | No Cirrus, Cirrocumulus or Cirrostratus. | 20.0 12.4 | 18.6 65 | ||||||||||||||
01 | 19.9 68 | 752.5 29.63 1003.25 1003.25 | 757.8 29.83 1010.32 1010.32 | -0.7 -0.03 -0.93 -0.93 | 93 | Wind blowing from the east | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 60%. 6/10. 5 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 60%. 6/10. 5 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | Altocumulus translucidus at a single level. | No Cirrus, Cirrocumulus or Cirrostratus. | 20.0 12.4 | 18.8 66 | ||||||||||||||
00 | 20.1 68 | 752.8 29.64 1003.65 1003.65 | 758.0 29.84 1010.58 1010.58 | -0.1 -0 -0.13 -0.13 | 95 | Wind blowing from the east-southeast | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 60%. 6/10. 5 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 60%. 6/10. 5 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | Altocumulus translucidus at a single level. | No Cirrus, Cirrocumulus or Cirrostratus. | 20.0 12.4 | 19.2 67 | ||||||||||||||
| September 14, Sunday | 23 | 20.3 69 | 753.1 29.65 1004.05 1004.05 | 758.3 29.85 1010.98 1010.98 | 0.8 0.03 1.07 1.07 | 93 | Wind blowing from the south-southeast | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 60%. 6/10. 5 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 60%. 6/10. 5 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | Altocumulus translucidus at a single level. | No Cirrus, Cirrocumulus or Cirrostratus. | 20.0 12.4 | 19.2 67 | |||||||||||||
22 | 20.7 69 | 753.2 29.65 1004.18 1004.18 | 758.5 29.86 1011.25 1011.25 | 0.9 0.04 1.2 1.2 | 90 | Wind blowing from the east | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 50%. 5/10. 4 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 50%. 5/10. 4 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | Altocumulus translucidus at a single level. | No Cirrus, Cirrocumulus or Cirrostratus. | 20.0 12.4 | 19.0 66 | ||||||||||||||
21 | 21.5 71 | 752.9 29.64 1003.78 1003.78 | 758.2 29.85 1010.85 1010.85 | 0.6 0.02 0.8 0.8 | 84 | Wind blowing from the south | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | no clouds no clouds no clouds | 21.1 70 | 25.6 78 | 20.0 12.4 | 18.7 66 | No precipitation No precipitation | 6 | |||||||||||||||
20 | 22.3 72 | 752.3 29.62 1002.98 1002.98 | 757.6 29.83 1010.05 1010.05 | -0.8 -0.03 -1.07 -1.07 | 84 | Wind blowing from the east | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | no clouds no clouds no clouds | 20.0 12.4 | 19.4 67 | |||||||||||||||||||
19 | 23.4 74 | 752.3 29.62 1002.98 1002.98 | 757.6 29.83 1010.05 1010.05 | -1.4 -0.06 -1.87 -1.87 | 82 | Wind blowing from the east | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 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. | 20.0 12.4 | 20.2 68 | ||||||||||||||