Weather archive in Bhumibol Dam

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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 7, Thursday	21	29.0 84				73	Wind blowing from the south-southwest	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)															23.6 74	No precipitation No precipitation	1
	20	30.0 86				69	Wind blowing from the east	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)															23.7 75	No precipitation No precipitation	1
	19	30.6 87	743.0 29.25 990.59 990.59	755.1 29.73 1006.72 1006.72	1.9 0.07 2.53 2.53	64	Wind blowing from the east-southeast	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 throughout the appropriate period.	Cloud covering more than 1/2 of the sky throughout the appropriate period.		36.4 98	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.	7.0 4.4	23.0 73
	18	31.5 89				61		Calm															23.2 74	No precipitation No precipitation	1
	16	34.0 93	741.1 29.18 988.05 988.05	753.1 29.65 1004.05 1004.05	-1.2 -0.05 -1.6 -1.6	59	Calm, no wind	Calm			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.			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.	7.0 4.4	25.0 77
	14	32.0 90				60	Wind blowing from the east-southeast	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)															23.3 74	No precipitation No precipitation	1
	13	32.0 90	742.3 29.22 989.65 989.65	754.4 29.7 1005.78 1005.78	-2.1 -0.08 -2.8 -2.8	47	Calm, no wind	Calm			70 – 80%. 7/10 – 8/10. 6 oktas	Rain, not freezing, intermittent, slight 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.			Stratocumulus other than Stratocumulus cumulogenitus.	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.	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.	2.0 1.2	19.2 67	3.0 0.12	6
	12	35.5 96				44	Wind blowing from the east-southeast	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)															21.5 71	No precipitation No precipitation	1
	11	35.2 95				43		Calm															20.9 70	No precipitation No precipitation	1
	10	33.3 92	744.4 29.31 992.45 992.45	756.4 29.78 1008.45 1008.45	0.1 0 0.13 0.13	59	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.			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 (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.	7.0 4.4	24.2 76
	09	31.6 89				61	Wind blowing from the west-southwest	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)															23.3 74	No precipitation No precipitation	1
	08	29.7 85				69	Wind blowing from the west-northwest	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)															23.5 74	No precipitation No precipitation	1
	07	27.8 82	744.3 29.3 992.32 992.32	756.5 29.78 1008.58 1008.58	1.0 0.04 1.33 1.33	82	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.	25.7 78		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 (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.	7.0 4.4	24.5 76
	06	26.2 79	744.2 29.3 992.19 992.19	756.0 29.76 1007.92 1007.92				Calm							25.3 78	37.5 100								No precipitation No precipitation	1
	05	26.2 79	744.0 29.29 991.92 991.92	755.8 29.76 1007.65 1007.65				Calm							25.3 78	37.5 100								No precipitation No precipitation	1
	04	26.7 80	743.3 29.26 990.99 990.99	755.6 29.75 1007.38 1007.38	-0.1 -0 -0.13 -0.13	94	Calm, no wind	Calm			40%. 4/10. 3 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 (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.	7.0 4.4	25.7 78
	03	26.8 80				88		Calm															24.6 76	No precipitation No precipitation	1
	02	27.3 81				87	Wind blowing from the west	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)															24.9 77	No precipitation No precipitation	1
	01	27.2 81	743.4 29.27 991.12 991.12	755.7 29.75 1007.52 1007.52	-1.0 -0.04 -1.33 -1.33	87	Calm, no wind	Calm			40%. 4/10. 3 oktas	Mist.	Rain and snow or other types of solid 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.			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 (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.	7.0 4.4	24.8 77	2.0 0.08	18
	00	26.8 80	744.1 29.3 992.05 992.05	755.8 29.76 1007.65 1007.65			Wind blowing from the north-west	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)							25.3 78	37.5 100								2.0 0.08	1
May 6, Wednesday	23	26.7 80	744.2 29.3 992.19 992.19	756.0 29.76 1007.92 1007.92			Wind blowing from the north	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)							25.3 78	37.5 100								No precipitation No precipitation	1
	22	26.7 80	744.4 29.31 992.45 992.45	756.7 29.79 1008.85 1008.85	2.4 0.09 3.2 3.2	94	Calm, no wind	Calm			70 – 80%. 7/10 – 8/10. 6 oktas	Mist.	Rain and snow or other types of solid precipitation	Cloud covering more than 1/2 of the sky throughout the appropriate period.			Stratocumulus other than Stratocumulus cumulogenitus.	50%. 5/10. 4 oktas	600-1000 1968-3281	Altocumulus cumulogenitus (or cumulonimbogenitus).	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.	7.0 4.4	25.7 78	2.0 0.08	3
	21	26.7 80	743.5 29.27 991.25 991.25	755.2 29.73 1006.85 1006.85			Wind blowing from the west-southwest	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)							25.3 78	37.5 100								1.0 0.04	1