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 June 1, Monday	19	29.2 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	71	Wind blowing from the south-southwest	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			50%. 5/10. 4 oktas	Mist.	Thunderstorm(s) with or without precipitation.	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.		37.0 99	Cumulus humilis or Cumulus fractus other than of bad weather, or both.	20–30%. 2/10–3/10. 2 oktas	600-1000 1968-3281	No Altocumulus, Altostratus or Nimbostratus.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	7.0 4.4	23.5 74
	18	29.0 84				69		Calm							23.5 74	37.0 99							22.8 73
	17	28.1 83				72	Wind blowing from the west-southwest	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)							23.5 74	37.0 99							22.5 73
	16	33.7 93	749.2 29.5 998.85 998.85	753.7 29.67 1004.85 1004.85	-1.9 -0.07 -2.53 -2.53	50	Wind blowing from the south-southwest	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas	Thunderstorm, but no precipitation at the time of observation.	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 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.	8.0 5.0	22.0 72
	15	36.5 98				39	Wind blowing from the south-west	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)							23.5 74	37.0 99							20.4 69
	14	36.2 97				37	Wind blowing from the north	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)							23.5 74	36.5 98							19.1 66
	13	36.6 98	751.1 29.57 1001.38 1001.38	755.6 29.75 1007.38 1007.38	-1.7 -0.07 -2.27 -2.27	45	Wind blowing from the west-southwest	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			50%. 5/10. 4 oktas	Haze.	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.			Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.	40%. 4/10. 3 oktas	600-1000 1968-3281	No Altocumulus, Altostratus or Nimbostratus.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	8.0 5.0	22.8 73
	11	34.0 93				49	Wind blowing from the east-northeast	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)							23.5 74	36.2 97							21.8 71
	10	32.0 90	752.8 29.64 1003.65 1003.65	757.3 29.81 1009.65 1009.65	0.3 0.01 0.4 0.4	56	Calm, no wind	Calm			20–30%. 2/10–3/10. 2 oktas	Haze.	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.			Cumulus humilis or Cumulus fractus other than of bad weather, or both.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	600-1000 1968-3281	No Altocumulus, Altostratus or Nimbostratus.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	8.0 5.0	22.3 72
	08	28.3 83				71	Wind blowing from the east-southeast	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)							23.5 74								22.5 73
	07	25.6 78	752.5 29.63 1003.25 1003.25	757.1 29.81 1009.38 1009.38	0.8 0.03 1.07 1.07	87	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.	23.5 74		Cumulus humilis or Cumulus fractus other than of bad weather, or both.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	600-1000 1968-3281	Altocumulus translucidus at a single level.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	7.0 4.4	23.2 74
	06	23.8 75	751.9 29.6 1002.45 1002.45	755.7 29.75 1007.52 1007.52				Calm							23.5 74	36.2 97								No precipitation No precipitation	1
	05	23.8 75	751.9 29.6 1002.45 1002.45	755.6 29.75 1007.38 1007.38				Calm							23.5 74	36.2 97								No precipitation No precipitation	1
	04	22.2 72	751.7 29.59 1002.18 1002.18	756.4 29.78 1008.45 1008.45	-0.4 -0.02 -0.53 -0.53	85	Calm, no wind	Calm			50%. 5/10. 4 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.	6.0 3.7	19.5 67
	03	24.8 77	751.6 29.59 1002.05 1002.05	755.3 29.74 1006.98 1006.98			Wind blowing from the south	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)							23.5 74	36.2 97								No precipitation No precipitation	1
	02	25.2 77				89	Wind blowing from the west-southwest	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)							23.5 74	36.2 97							23.3 74
	01	24.4 76	752.1 29.61 1002.72 1002.72	756.7 29.79 1008.85 1008.85	-0.6 -0.02 -0.8 -0.8	92	Calm, no wind	Calm			60%. 6/10. 5 oktas	Mist.	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.			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.	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.	6.0 3.7	23.1 74	27.0 1.06	18
	00	24.5 76	752.5 29.63 1003.25 1003.25	756.2 29.77 1008.18 1008.18			Wind blowing from the west	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)							23.5 74	36.2 97								No precipitation No precipitation	1
May 31, Sunday	23	24.7 76	752.5 29.63 1003.25 1003.25	756.2 29.77 1008.18 1008.18				Calm							23.5 74	36.2 97								No precipitation No precipitation	1
	22	26.2 79	752.7 29.63 1003.52 1003.52	757.3 29.81 1009.65 1009.65	1.9 0.07 2.53 2.53	83	Calm, no wind	Calm			50%. 5/10. 4 oktas	Mist.	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 and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	600-1000 1968-3281	Altocumulus translucidus at a single level.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	7.0 4.4	23.0 73	0.2 0.01	3
	21	24.5 76	752.1 29.61 1002.72 1002.72	755.8 29.76 1007.65 1007.65			Wind blowing from the south	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)							23.5 74	36.2 97								No precipitation No precipitation	1
	20	24.1 75	751.5 29.59 1001.92 1001.92	755.2 29.73 1006.85 1006.85				Calm							23.5 74	36.2 97								No precipitation No precipitation	1
	19	24.4 76	750.8 29.56 1000.98 1000.98	755.5 29.74 1007.25 1007.25	1.2 0.05 1.6 1.6	99	Calm, no wind	Calm			100%. 10/10. 8 oktas	Thunderstorm, heavy, without hail, but with rain and/or snow at time of observation.	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.		36.2 97	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	24.2 76	26.0 1.02	12