Weather archive in Si Samrong

To receive explanations, hover over the appropriate heading

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	22	25.8 78	753.5 29.67 1004.58 1004.58	758.2 29.85 1010.85 1010.85	2.7 0.11 3.6 3.6	90	Calm, no wind	Calm			100%. 10/10. 8 oktas	Rain, not freezing, intermittent, slight at 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.			Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.	60%. 6/10. 5 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.	8.0 5.0	24.1 75	0.3 0.01	1
	21	25.7 78				89	Wind blowing from the north-northwest	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)															23.8 75
	20	25.3 78	750.6 29.55 1000.72 1000.72	756.6 29.79 1008.72 1008.72				Calm							24.2 76	31.2 88								No precipitation No precipitation	1
	19	25.6 78	750.8 29.56 1000.98 1000.98	755.5 29.74 1007.25 1007.25	0.8 0.03 1.07 1.07	88	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.		31.2 88	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.	8.0 5.0	23.5 74
	17	26.7 80				87		Calm							24.0 75	31.2 88							24.3 76
	16	27.5 82	750.0 29.53 999.92 999.92	754.6 29.71 1006.05 1006.05	-1.6 -0.06 -2.13 -2.13	84	Wind blowing from the south-east	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas						Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.	50%. 5/10. 4 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	24.6 76
	15	29.7 85				74		Calm							24.0 75	31.7 89							24.5 76
	14	30.6 87				70	Wind blowing from the east-southeast	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)							24.0 75	31.7 89							24.5 76
	13	29.3 85	751.6 29.59 1002.05 1002.05	756.3 29.78 1008.32 1008.32		74	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.			Cumulus humilis or Cumulus fractus other than of bad weather, or both.	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	24.1 75	0.8 0.03	6
	10	25.3 78	753.4 29.66 1004.45 1004.45	758.1 29.85 1010.72 1010.72	1.2 0.05 1.6 1.6	94	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.	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.	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.	6.0 3.7	24.3 76	0.8 0.03	3
	07	24.8 77	752.2 29.61 1002.85 1002.85	756.9 29.8 1009.12 1009.12	0.9 0.04 1.2 1.2	96	Calm, no wind	Calm			100%. 10/10. 8 oktas	Rain, not freezing, intermittent, slight at 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.	24.3 76		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.	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.	5.0 3.1	24.1 75	9.0 0.35	24
	06	24.5 76	750.6 29.55 1000.72 1000.72	756.6 29.79 1008.72 1008.72				Calm							24.0 75									No precipitation No precipitation	1
	05	24.5 76	750.4 29.54 1000.45 1000.45	756.4 29.78 1008.45 1008.45				Calm							24.0 75									No precipitation No precipitation	1
	04	24.4 76	751.3 29.58 1001.65 1001.65	756.0 29.76 1007.92 1007.92	-1.2 -0.05 -1.6 -1.6	96	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.			Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.	60%. 6/10. 5 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.	5.0 3.1	23.7 75
	03	24.3 76	750.1 29.53 1000.05 1000.05	756.1 29.77 1008.05 1008.05				Calm							24.0 75	31.7 89								No precipitation No precipitation	1
	02	24.6 76	750.4 29.54 1000.45 1000.45	756.4 29.78 1008.45 1008.45				Calm							24.0 75	31.7 89								No precipitation No precipitation	1
	01	24.5 76	752.5 29.63 1003.25 1003.25	757.3 29.81 1009.65 1009.65	-0.9 -0.04 -1.2 -1.2	96	Calm, no wind	Calm			100%. 10/10. 8 oktas	Mist.	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.	50%. 5/10. 4 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.	5.0 3.1	23.8 75	9.0 0.35	18
	00	24.2 76	751.3 29.58 1001.65 1001.65	757.3 29.81 1009.65 1009.65				Calm							24.0 75	31.7 89								No precipitation No precipitation	1
September 17, Thursday	23	24.2 76	751.9 29.6 1002.45 1002.45	757.9 29.84 1010.45 1010.45				Calm							24.0 75	31.7 89								1.0 0.04	1
September 17, Thursday	22	24.5 76	753.4 29.66 1004.45 1004.45	758.1 29.85 1010.72 1010.72	1.9 0.07 2.53 2.53	96	Calm, no wind	Calm			100%. 10/10. 8 oktas	Rain, not freezing, continuous, slight at time of observation.	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.	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.	6.0 3.7	23.8 75	2.0 0.08	2