Weather archive in Chiang Rai

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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 August 12, Wednesday	19	28.0 82	720.2 28.35 960.19 960.19	752.5 29.63 1003.25 1003.25	0.0 0 0 0	90	Calm, no wind	Calm			60%. 6/10. 5 oktas	Clouds generally dissolving or becoming less developed.	Rain.	Cloud covering more than 1/2 of the sky throughout the appropriate period.		31.5 89	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	Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels.	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.	10.0 6.2	26.2 79	2.0 0.08	12
	18	29.1 84				83		Calm							23.1 74	31.3 88							25.9 79
	17	28.5 83				84	Wind blowing from the east-southeast	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)							23.1 74	31.3 88							25.6 78
	16	28.7 84	720.2 28.35 960.19 960.19	752.5 29.63 1003.25 1003.25	-1.7 -0.07 -2.27 -2.27	82	Wind blowing from the east-southeast	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	Clouds generally forming or developing.	Rain.	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.	40%. 4/10. 3 oktas	600-1000 1968-3281	Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels.	Cirrostratus covering the whole sky.	10.0 6.2	25.3 78	0.2 0.01	2
	15	27.7 82				88	Wind blowing from the north-east	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)							23.1 74	31.3 88							25.6 78
	14	30.2 86				72	Wind blowing from the south	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)							23.1 74	31.3 88							24.6 76
	13	30.8 87	721.9 28.42 962.45 962.45	754.0 29.69 1005.25 1005.25	-1.1 -0.04 -1.47 -1.47	71	Wind blowing from the south	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas	Clouds generally dissolving or becoming less developed.	Rain.	Cloud covering more than 1/2 of the sky throughout the appropriate period.			Cumulus humilis or Cumulus fractus other than of bad weather, or both.	20–30%. 2/10–3/10. 2 oktas	600-1000 1968-3281	Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels.	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.	10.0 6.2	25.0 77	1.0 0.04	6
	12	29.3 85				75	Wind blowing from the south-southeast	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)							23.1 74	30.8 87							24.5 76
	11	29.1 84				80	Wind blowing from the south	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)							23.1 74	30.8 87							25.2 77
	10	26.7 80	723.0 28.46 963.92 963.92	755.6 29.75 1007.38 1007.38	0.7 0.03 0.93 0.93	89	Wind blowing from the south	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas	Rain (not freezing) not falling as shower(s).	Rain.	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	Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels.	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.	10.0 6.2	24.8 77	1.0 0.04	3
	08	24.5 76	722.8 28.46 963.65 963.65	754.5 29.7 1005.92 1005.92			Wind blowing from the south-west	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)							23.1 74	30.8 87								1.0 0.04	1
	07	24.0 75	722.3 28.44 962.99 962.99	755.2 29.73 1006.85 1006.85	0.7 0.03 0.93 0.93	98	Calm, no wind	Calm			100%. 10/10. 8 oktas	Rain, not freezing, intermittent, slight at time of observation.	Rain.	Cloud covering more than 1/2 of the sky throughout the appropriate period.	23.6 74		Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.	70 – 80%. 7/10 – 8/10. 6 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.		10.0 6.2	23.7 75	48.0 1.89	24
	06	23.7 75	722.1 28.43 962.72 962.72	753.7 29.67 1004.85 1004.85			Wind blowing from the west-southwest	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)							23.1 74	30.8 87								1.0 0.04	1
	05	23.7 75	721.9 28.42 962.45 962.45	753.6 29.67 1004.72 1004.72			Wind blowing from the south-west	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)							23.1 74	30.8 87								1.0 0.04	1
	04	23.7 75	721.6 28.41 962.05 962.05	754.6 29.71 1006.05 1006.05	-0.3 -0.01 -0.4 -0.4	99	Calm, no wind	Calm			100%. 10/10. 8 oktas	Rain, not freezing, continuous, slight at time of observation.	Rain.	Rain.			Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.	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.		10.0 6.2	23.5 74	9.0 0.35	3
	03	23.7 75	721.7 28.41 962.19 962.19	753.4 29.66 1004.45 1004.45			Wind blowing from the south-west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)							23.1 74	30.8 87								4.0 0.16	1
	02	23.7 75	721.9 28.42 962.45 962.45	753.6 29.67 1004.72 1004.72			Wind blowing from the south	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)							23.1 74	30.8 87								3.0 0.12	1
	01	23.6 74	721.9 28.42 962.45 962.45	754.9 29.72 1006.45 1006.45	-0.2 -0.01 -0.27 -0.27	98	Calm, no wind	Calm			100%. 10/10. 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 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.	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.		8.0 5.0	23.3 74	37.0 1.46	18
	00	23.7 75	722.5 28.44 963.25 963.25	754.1 29.69 1005.38 1005.38			Wind blowing from the south	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)							23.1 74	30.8 87								2.0 0.08	1
August 11, Tuesday	23	23.2 74	722.6 28.45 963.39 963.39	754.3 29.7 1005.65 1005.65			Wind blowing from the south-southeast	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)							23.1 74	30.8 87								11.0 0.43	1
	22	23.3 74	722.1 28.43 962.72 962.72	755.0 29.72 1006.58 1006.58	3.0 0.12 4 4	98	Calm, no wind	Calm			100%. 10/10. 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 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.	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.	8.0 5.0	23.0 73	21.0 0.83	2
	21	26.2 79				85	Wind blowing from the south-west	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)							24.5 76	30.8 87							23.4 74
	20	27.7 82				90		Calm							24.5 76	30.8 87							25.9 79
	19	28.2 83	719.1 28.31 958.72 958.72	751.4 29.58 1001.78 1001.78	0.1 0 0.13 0.13	82	Calm, no wind	Calm			50%. 5/10. 4 oktas					30.6 87	Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.	20–30%. 2/10–3/10. 2 oktas	600-1000 1968-3281	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.	10.0 6.2	24.8 77