Weather archive in Chaiyaphum

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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 18, Friday	19	28.1 83	740.5 29.15 987.25 987.25	756.1 29.77 1008.05 1008.05	1.5 0.06 2 2	80	Calm, no wind	Calm			70 – 80%. 7/10 – 8/10. 6 oktas	State of sky on the whole unchanged.	Rain.	Cloud covering more than 1/2 of the sky throughout the appropriate period.		33.1 92	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	Altocumulus translucidus in bands, or one or more layers of Altocumulus translucidus or opacus, progressively invading the sky; these Altocumulus clouds generally thicken as a whole.	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	24.4 76	0.2 0.01	12
	18	27.6 82				74	Wind blowing from the north-east	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)							23.1 74	33.0 91							22.5 73
	17	28.6 83				73	Wind blowing from the north-east	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)							23.1 74	33.0 91							23.3 74
	16	32.4 90	739.0 29.09 985.25 985.25	754.3 29.7 1005.65 1005.65	-1.7 -0.07 -2.27 -2.27	62	Wind blowing from the east	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas						Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.	40%. 4/10. 3 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; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered.	10.0 6.2	24.3 76
	15	33.0 91				62	Wind blowing from the east-northeast	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)							23.1 74	33.0 91							24.7 76
	14	32.2 90				62	Wind blowing from the east-northeast	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)							23.1 74	32.9 91							23.9 75
	13	32.0 90	740.7 29.16 987.52 987.52	756.1 29.77 1008.05 1008.05	-1.5 -0.06 -2 -2	63	Wind blowing from the south-southeast	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas						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	Altocumulus translucidus at a single level.	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	24.0 75
	12	31.1 88				66	Wind blowing from the south-southeast	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)							23.1 74	31.7 89							23.9 75
	11	30.3 87				71	Wind blowing from the south-southwest	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)							23.1 74	31.7 89							24.5 76
	10	28.7 84	742.2 29.22 989.52 989.52	757.8 29.83 1010.32 1010.32	0.6 0.02 0.8 0.8	79	Calm, no wind	Calm			70 – 80%. 7/10 – 8/10. 6 oktas						Stratocumulus other than Stratocumulus cumulogenitus.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	600-1000 1968-3281	Altocumulus translucidus at a single level.	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	24.7 76
	09	27.7 82				77	Wind blowing from the south-west	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)							23.1 74	31.7 89							23.3 74
	08	25.1 77				90	Wind blowing from the east-northeast	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)							23.1 74	31.7 89							23.3 74
	07	25.0 77	741.6 29.2 988.72 988.72	757.3 29.81 1009.65 1009.65	1.0 0.04 1.33 1.33	96	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.	23.8 75		No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	20–30%. 2/10–3/10. 2 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.	Altocumulus translucidus at a single level.	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	24.3 76	20.0 0.79	24
	06	23.7 75	739.6 29.12 986.05 986.05	754.6 29.71 1006.05 1006.05				Calm							23.1 74	31.7 89								No precipitation No precipitation	1
	05	23.6 74	739.3 29.11 985.65 985.65	754.4 29.7 1005.78 1005.78			Wind blowing from the south-east	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)							23.1 74	31.7 89								No precipitation No precipitation	1
	04	24.6 76	740.6 29.16 987.39 987.39	756.4 29.78 1008.45 1008.45	-0.8 -0.03 -1.07 -1.07	96	Calm, no wind	Calm			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.			No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	50%. 5/10. 4 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.	Altostratus translucidus.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	10.0 6.2	23.9 75	0.8 0.03	3
	03	23.7 75	739.0 29.09 985.25 985.25	754.0 29.69 1005.25 1005.25			Wind blowing from the west-northwest	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)							23.1 74	31.7 89								No precipitation No precipitation	1
	02	23.7 75	739.2 29.1 985.52 985.52	754.3 29.7 1005.65 1005.65			Wind blowing from the west-northwest	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)							23.1 74	31.7 89								No precipitation No precipitation	1
	01	24.5 76	741.4 29.19 988.45 988.45	757.1 29.81 1009.38 1009.38	-0.4 -0.02 -0.53 -0.53	95	Wind blowing from the south-southwest	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas	Slight rain at time of observation. Thunderstorm during the preceding hour but not at time of observation.	Thunderstorm(s) with or without precipitation.	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.	20–30%. 2/10–3/10. 2 oktas	300-600 984-1968	Altostratus translucidus.		7.0 4.4	23.6 74	19.0 0.75	18
	00	23.3 74				88	Wind blowing from the south-east	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)							23.2 74	31.7 89							21.1 70
September 17, Thursday	23	26.2 79				85	Wind blowing from the east	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)							24.2 76	31.7 89							23.5 74
	22	27.5 82	741.8 29.2 988.99 988.99	757.5 29.82 1009.92 1009.92	1.5 0.06 2 2	91	Wind blowing from the north-east	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 8 oktas						No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	50%. 5/10. 4 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.	Altostratus translucidus.	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	25.9 79
	21	27.5 82				79	Wind blowing from the east	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)							24.2 76	31.7 89							23.5 74
	20	27.5 82				81		Calm							24.2 76	31.7 89							23.9 75
	19	28.8 84	740.3 29.15 986.99 986.99	755.8 29.76 1007.65 1007.65	1.2 0.05 1.6 1.6	80	Calm, no wind	Calm			70 – 80%. 7/10 – 8/10. 6 oktas					31.9 89	No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	50%. 5/10. 4 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.	Altostratus opacus 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.	10.0 6.2	25.1 77