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 9, Saturday	04	24.7 76	745.0 29.33 993.25 993.25	757.3 29.81 1009.65 1009.65	-0.1 -0 -0.13 -0.13	98	Calm, no wind	Calm			100%. 10/10. 8 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.	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	24.3 76
	03	24.7 76	745.1 29.33 993.39 993.39	756.9 29.8 1009.12 1009.12				Calm							24.0 75	25.5 78								No precipitation No precipitation	1
	02	24.8 77	744.8 29.32 992.99 992.99	756.6 29.79 1008.72 1008.72				Calm							24.0 75	25.5 78								No precipitation No precipitation	1
	01	25.4 78	745.1 29.33 993.39 993.39	757.6 29.83 1010.05 1010.05	1.6 0.06 2.13 2.13	95	Calm, no wind	Calm			100%. 10/10. 8 oktas	Mist.	Rain.	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	Altostratus opacus or Nimbostratus.		7.0 4.4	24.5 76	42.0 1.65	18
	00	25.3 78	746.6 29.39 995.39 995.39	758.4 29.86 1011.12 1011.12				Calm							24.0 75	25.5 78								1.0 0.04	1
May 8, Friday	23	24.7 76	747.4 29.43 996.45 996.45	759.2 29.89 1012.18 1012.18			Wind blowing from the north-northeast	Calm							24.0 75	30.2 86								1.0 0.04	1
	22	26.5 80	743.5 29.27 991.25 991.25	755.8 29.76 1007.65 1007.65	-1.0 -0.04 -1.33 -1.33	91	Calm, no wind	Calm			100%. 10/10. 8 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.	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	24.9 77
	21	24.7 76	746.3 29.38 994.99 994.99	758.1 29.85 1010.72 1010.72			Wind blowing from the east-southeast	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)							24.0 75	30.2 86								No precipitation No precipitation	1
	19	25.6 78	744.5 29.31 992.59 992.59	756.9 29.8 1009.12 1009.12	2.8 0.11 3.73 3.73	87	Calm, no wind	Calm			100%. 10/10. 8 oktas	Rain, not freezing, continuous, slight at time of observation.	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.		38.7 102	Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus.	60%. 6/10. 5 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.	7.0 4.4	23.2 74	39.0 1.54	12
	16	37.5 100	741.7 29.2 988.85 988.85	753.6 29.67 1004.72 1004.72	-1.8 -0.07 -2.4 -2.4	64	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.			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	29.5 85
	13	35.5 96	743.5 29.27 991.25 991.25	755.5 29.74 1007.25 1007.25	-2.7 -0.11 -3.6 -3.6	55	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	25.0 77
	10	33.0 91	746.2 29.38 994.85 994.85	758.2 29.85 1010.85 1010.85	1.8 0.07 2.4 2.4	55	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	22.9 73
	07	27.0 81	744.4 29.31 992.45 992.45	756.7 29.79 1008.85 1008.85	0.7 0.03 0.93 0.93	87	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	24.7 76
	04	27.8 82	743.7 29.28 991.52 991.52	755.9 29.76 1007.78 1007.78	-0.3 -0.01 -0.4 -0.4	83	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.			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	24.6 76