Weather archive in Bua Chum

To receive explanations, hover over the appropriate heading

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 April 17, Friday	07	28.6 83	751.9 29.6 1002.45 1002.45	756.5 29.78 1008.58 1008.58	1.2 0.05 1.6 1.6	88	Wind blowing from the south-west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas	Mist.	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.	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.	25.7 78		Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.	20–30%. 2/10–3/10. 2 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; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered.	4.0 2.5	26.4 80
	06	27.8 82				71	Wind blowing from the south-west	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)															22.1 72	No precipitation No precipitation	1
	05	27.5 82				76	Wind blowing from the south-west	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)															22.9 73	No precipitation No precipitation	1
	04	27.3 81	750.7 29.56 1000.85 1000.85	755.3 29.74 1006.98 1006.98	0.0 0 0 0	78	Wind blowing from the south	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			60%. 6/10. 5 oktas	Mist.	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.	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.			Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus.	20–30%. 2/10–3/10. 2 oktas	300-600 984-1968	Altocumulus translucidus at a single level.	Cirrus spissatus cumulonimbogenitus.	4.0 2.5	23.2 74
	03	27.2 81				64	Wind blowing from the south-west	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)															19.8 68	No precipitation No precipitation	1
	02	27.6 82				58	Wind blowing from the south-southwest	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)															18.5 65	No precipitation No precipitation	1
	01	29.6 85	750.7 29.56 1000.85 1000.85	755.3 29.74 1006.98 1006.98	0.3 0.01 0.4 0.4	74	Calm, no wind	Calm			20–30%. 2/10–3/10. 2 oktas	Mist.	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.	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.	4.0 2.5	24.4 76
	00	28.8 84				57	Wind blowing from the south-west	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)															19.4 67	No precipitation No precipitation	1
April 16, Thursday	23	28.1 83				64	Wind blowing from the south-southwest	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)															20.7 69	No precipitation No precipitation	1
	22	29.7 85	750.4 29.54 1000.45 1000.45	754.9 29.72 1006.45 1006.45	1.2 0.05 1.6 1.6	76	Wind blowing from the south-west	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			60%. 6/10. 5 oktas	Mist.	Cloud covering more than 1/2 of the sky throughout the appropriate period.	Cloud covering more than 1/2 of the sky throughout the appropriate period.			Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.	20–30%. 2/10–3/10. 2 oktas	600-1000 1968-3281	Altocumulus translucidus at a single level.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	4.0 2.5	25.0 77
	21	28.8 84				55	Wind blowing from the south	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)															18.9 66	No precipitation No precipitation	1
	20	30.3 87				47	Wind blowing from the south-east	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)															17.8 64	No precipitation No precipitation	1
	19	32.4 90	749.2 29.5 998.85 998.85	753.7 29.67 1004.85 1004.85	1.2 0.05 1.6 1.6	60	Wind blowing from the south-west	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	Thunderstorm, slight or moderate, without hail, but with rain and/or snow at time of observation.	Thunderstorm(s) with or without precipitation.	Cloud covering more than 1/2 of the sky throughout the appropriate period.		42.3 108	Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus.	50%. 5/10. 4 oktas	300-600 984-1968	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.	4.0 2.5	23.8 75	Trace of precipitation Trace of precipitation	12
	18	34.5 94				35	Wind blowing from the south-southwest	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)															17.1 63	No precipitation No precipitation	1
	17	36.0 97				31	Wind blowing from the north-northwest	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)															16.1 61	No precipitation No precipitation	1
	16	39.5 103	748.0 29.45 997.25 997.25	752.4 29.62 1003.12 1003.12	-2.5 -0.1 -3.33 -3.33	45	Wind blowing from the south-southwest	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas	Haze.	Cloud covering more than 1/2 of the sky throughout the appropriate period.	Cloud covering more than 1/2 of the sky throughout the appropriate period.			Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus.	20–30%. 2/10–3/10. 2 oktas	300-600 984-1968	Altocumulus translucidus at a single level.	Cirrus spissatus cumulonimbogenitus.	5.0 3.1	25.3 78
	14	38.2 101				28	Wind blowing from the south	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)															16.6 62	No precipitation No precipitation	1
	13	40.8 105	750.5 29.55 1000.58 1000.58	754.9 29.72 1006.45 1006.45	-2.3 -0.09 -3.07 -3.07	45	Wind blowing from the west-southwest	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas	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.	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 and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.	20–30%. 2/10–3/10. 2 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; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered.	5.0 3.1	26.7 80
	11	36.2 97				41	Wind blowing from the south-west	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)															21.1 70	No precipitation No precipitation	1
	10	35.0 95	752.8 29.64 1003.65 1003.65	757.3 29.81 1009.65 1009.65	1.2 0.05 1.6 1.6	64	Wind blowing from the south-west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			20–30%. 2/10–3/10. 2 oktas	Mist.	Cloud covering 1/2 or less of the sky throughout the appropriate period.	Cloud covering 1/2 or less of the sky throughout the appropriate 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.	5.0 3.1	27.3 81
	07	27.0 81	751.6 29.59 1002.05 1002.05	756.1 29.77 1008.05 1008.05	1.9 0.07 2.53 2.53	92	Calm, no wind	Calm			20–30%. 2/10–3/10. 2 oktas	Mist.	Cloud covering 1/2 or less of the sky throughout the appropriate period.	Cloud covering 1/2 or less of the sky throughout the appropriate period.	23.5 74		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.	4.0 2.5	25.6 78