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 25, Monday	19	30.6 87	743.3 29.26 990.99 990.99	755.5 29.74 1007.25 1007.25	0.7 0.03 0.93 0.93	56	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.		35.0 95	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	20.7 69
	18	31.1 88				58	Wind blowing from the west-southwest	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)							25.8 78	34.0 93							22.0 72
	17	31.3 88				59	Wind blowing from the north-west	Calm							25.8 78	34.0 93							22.4 72
	16	31.7 89	742.6 29.24 990.05 990.05	754.6 29.71 1006.05 1006.05	-1.7 -0.07 -2.27 -2.27	62	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.	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.	7.0 4.4	23.5 74
	15	33.5 92				51	Wind blowing from the west	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)							25.8 78	35.5 96							21.9 71
	14	32.7 91				52		Calm							25.8 78	35.5 96							21.6 71
	13	34.0 93	744.3 29.3 992.32 992.32	756.4 29.78 1008.45 1008.45	-1.6 -0.06 -2.13 -2.13	56	Wind blowing from the west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 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.			Stratocumulus other than Stratocumulus cumulogenitus.	60%. 6/10. 5 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	24.0 75
	12	32.2 90				55		Calm							25.8 78	35.5 96							22.1 72
	11	33.0 91				55		Calm							25.8 78	35.5 96							22.7 73
	10	32.0 90	745.9 29.37 994.45 994.45	758.0 29.84 1010.58 1010.58	1.4 0.06 1.87 1.87	66	Calm, no wind	Calm			70 – 80%. 7/10 – 8/10. 6 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.			Stratocumulus other than Stratocumulus cumulogenitus.	60%. 6/10. 5 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	24.9 77
	09	29.1 84				69	Wind blowing from the east-northeast	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)							25.8 78	35.5 96							22.8 73
	08	27.6 82				78		Calm							25.8 78	35.5 96							23.5 74
	07	26.5 80	744.5 29.31 992.59 992.59	756.9 29.8 1009.12 1009.12	0.5 0.02 0.67 0.67	94	Calm, no wind	Calm			70 – 80%. 7/10 – 8/10. 6 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.	25.8 78		Stratocumulus other than Stratocumulus cumulogenitus.	60%. 6/10. 5 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	25.4 78
	06	26.0 79	744.8 29.32 992.99 992.99	756.6 29.79 1008.72 1008.72				Calm							25.8 78	35.5 96								No precipitation No precipitation	1
	05	26.2 79				87		Calm							26.0 79	35.5 96							23.8 75
	04	26.3 79	744.0 29.29 991.92 991.92	756.3 29.78 1008.32 1008.32	-0.7 -0.03 -0.93 -0.93	79	Calm, no wind	Calm			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.			Stratocumulus other than Stratocumulus cumulogenitus.	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.	7.0 4.4	22.3 72
	03	26.8 80				78	Wind blowing from the north	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)							26.0 79	35.5 96							22.6 73
	01	28.0 82	744.7 29.32 992.85 992.85	757.0 29.8 1009.25 1009.25	-1.0 -0.04 -1.33 -1.33	65	Calm, no wind	Calm			70 – 80%. 7/10 – 8/10. 6 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.			Stratocumulus other than Stratocumulus cumulogenitus.	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.	7.0 4.4	20.8 69
May 24, Sunday	22	30.0 86	745.7 29.36 994.19 994.19	757.9 29.84 1010.45 1010.45	2.5 0.1 3.33 3.33	54	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	19.6 67
	21	31.2 88				56	Wind blowing from the west-southwest	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)							26.0 79	35.5 96							21.4 71
	20	31.6 89				52	Wind blowing from the west	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)							26.0 79	35.5 96							20.7 69
	19	32.2 90	743.2 29.26 990.85 990.85	755.3 29.74 1006.98 1006.98	0.5 0.02 0.67 0.67	41	Calm, no wind	Calm			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.		35.5 96	Stratocumulus other than Stratocumulus cumulogenitus.	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.	7.0 4.4	17.5 64