Weather archive in Ko Samui / Maret

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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 September 15, Tuesday	18	29.8 86				84		Calm							25.5 78	31.6 89							26.8 80
	17	30.1 86				84	Wind blowing from the east-southeast	Calm							24.5 76	31.6 89							27.0 81
	16	30.9 88	756.8 29.8 1008.98 1008.98	757.3 29.81 1009.65 1009.65	-1.3 -0.05 -1.73 -1.73	79	Calm, no wind	Calm			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 throughout the appropriate period.	Cloud covering more than 1/2 of the sky throughout the appropriate period.			Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	300-600 984-1968	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.	8.0 5.0	26.9 80
	15	31.1 88				80	Wind blowing from the south-southeast	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)							24.5 76	33.3 92							27.2 81
	14	31.3 88				76	Wind blowing from the south-southeast	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)							24.5 76	33.7 93							26.6 80
	13	30.9 88	758.1 29.85 1010.72 1010.72	758.6 29.87 1011.38 1011.38	-1.3 -0.05 -1.73 -1.73	79	Wind blowing from the south-southeast	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			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.			Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.	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.	8.0 5.0	26.9 80
	12	30.6 87				80	Wind blowing from the south	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)							24.5 76	33.7 93							26.8 80
	11	31.1 88				76	Wind blowing from the south	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)							24.5 76	33.7 93							26.4 80
	10	30.2 86	759.4 29.9 1012.45 1012.45	759.9 29.92 1013.12 1013.12	0.6 0.02 0.8 0.8	84	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	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.			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.	8.0 5.0	27.1 81
	08	29.3 85	759.4 29.9 1012.45 1012.45	760.0 29.92 1013.25 1013.25				Calm							24.5 76									8.0 0.31	1
	07	26.8 80	758.8 29.87 1011.65 1011.65	759.3 29.89 1012.32 1012.32	1.2 0.05 1.6 1.6	95	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.	24.5 76		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.	7.0 4.4	25.9 79
	04	26.8 80	757.6 29.83 1010.05 1010.05	758.1 29.85 1010.72 1010.72	-0.9 -0.04 -1.2 -1.2	95	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	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.			Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.	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.	8.0 5.0	25.9 79
	03	26.5 80	757.6 29.83 1010.05 1010.05	758.2 29.85 1010.85 1010.85			Wind blowing from the west	Calm							24.5 76	33.7 93								No precipitation No precipitation	1
	02	26.6 80	757.8 29.83 1010.32 1010.32	758.3 29.85 1010.98 1010.98			Wind blowing from the west	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)							24.5 76	33.7 93								No precipitation No precipitation	1
	01	26.8 80	758.5 29.86 1011.25 1011.25	759.0 29.88 1011.92 1011.92	-0.3 -0.01 -0.4 -0.4	92	Wind blowing from the west-northwest	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas	Mist.	Rain.	Cloud covering more than 1/2 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.	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.	8.0 5.0	25.4 78	8.0 0.31	18
	00	27.1 81	758.8 29.87 1011.65 1011.65	759.4 29.9 1012.45 1012.45			Wind blowing from the west-northwest	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)							24.5 76	33.7 93								No precipitation No precipitation	1
September 14, Monday	23	26.3 79	758.8 29.87 1011.65 1011.65	759.4 29.9 1012.45 1012.45			Wind blowing from the west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)							24.5 76	33.7 93								No precipitation No precipitation	1
	22	25.8 78	758.8 29.87 1011.65 1011.65	759.4 29.9 1012.45 1012.45	1.3 0.05 1.73 1.73	95	Wind blowing from the west-northwest	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 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.			Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.	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.	8.0 5.0	24.9 77	Trace of precipitation Trace of precipitation	2
	21	26.3 79	758.8 29.87 1011.65 1011.65	759.4 29.9 1012.45 1012.45			Wind blowing from the north-northeast	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)							24.5 76	33.7 93								No precipitation No precipitation	1
	20	25.6 78	757.9 29.84 1010.45 1010.45	758.5 29.86 1011.25 1011.25			Wind blowing from the west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)							24.5 76	33.7 93								No precipitation No precipitation	1
	19	25.6 78	757.5 29.82 1009.92 1009.92	758.0 29.84 1010.58 1010.58	1.2 0.05 1.6 1.6	95	Calm, no wind	Calm			70 – 80%. 7/10 – 8/10. 6 oktas	Thunderstorm (with or without precipitation).	Thunderstorm(s) with or without precipitation.	Cloud covering more than 1/2 of the sky throughout the appropriate period.		33.7 93	Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.	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.	9.0 5.6	24.7 76	8.0 0.31	12
	18	25.8 78	756.6 29.79 1008.72 1008.72	757.1 29.81 1009.38 1009.38			Wind blowing from the west	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)							24.5 76	33.7 93								8.0 0.31	1