Weather archive in Rong Chang

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 May 6, Wednesday	16	37.6 100	748.9 29.48 998.45 998.45	752.0 29.61 1002.58 1002.58	-2.5 -0.1 -3.33 -3.33	44	Wind blowing from the south	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	Haze.	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	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.	7.0 4.4	23.2 74
	15	36.5 98				54	Wind blowing from the north-west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)															25.8 78	No precipitation No precipitation	1
	14	37.3 99				55	Wind blowing from the west	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)															26.7 80	No precipitation No precipitation	1
	13	37.0 99	751.4 29.58 1001.78 1001.78	754.6 29.71 1006.05 1006.05	-1.5 -0.06 -2 -2	46	Wind blowing from the north-west	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	Haze.	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.	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.	7.0 4.4	23.5 74
	12	34.4 94				61	Wind blowing from the west-northwest	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)															25.8 78	No precipitation No precipitation	1
	11	34.8 95				61	Wind blowing from the south-southeast	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)															26.3 79	No precipitation No precipitation	1
	10	33.6 92	752.9 29.64 1003.78 1003.78	756.1 29.77 1008.05 1008.05	0.2 0.01 0.27 0.27	58	Wind blowing from the east	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	Haze.	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	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.	7.0 4.4	24.2 76
	09	31.8 89				72	Wind blowing from the east	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)															26.2 79	No precipitation No precipitation	1
	08	29.4 85				82	Wind blowing from the south-east	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)															26.0 79	No precipitation No precipitation	1
	07	27.0 81	752.7 29.63 1003.52 1003.52	755.9 29.76 1007.78 1007.78	1.4 0.06 1.87 1.87	86	Wind blowing from the south-east	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			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.	25.3 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; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered.	6.0 3.7	24.5 76
	06	25.8 78	753.7 29.67 1004.85 1004.85	756.5 29.78 1008.58 1008.58			Wind blowing from the east-northeast	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)							23.9 75	35.7 96								No precipitation No precipitation	1
	05	25.8 78	753.3 29.66 1004.32 1004.32	756.1 29.77 1008.05 1008.05				Calm							23.9 75	35.7 96								No precipitation No precipitation	1
	04	26.5 80	751.3 29.58 1001.65 1001.65	754.6 29.71 1006.05 1006.05	-0.6 -0.02 -0.8 -0.8	92	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.			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; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered.	6.0 3.7	25.1 77
	03	26.2 79	752.8 29.64 1003.65 1003.65	755.5 29.74 1007.25 1007.25				Calm							23.9 75	35.7 96								No precipitation No precipitation	1
	02	26.7 80	753.3 29.66 1004.32 1004.32	756.1 29.77 1008.05 1008.05				Calm							23.9 75	35.7 96								No precipitation No precipitation	1
	01	27.4 81	751.9 29.6 1002.45 1002.45	755.2 29.73 1006.85 1006.85	-0.9 -0.04 -1.2 -1.2	84	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.			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; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered.	6.0 3.7	24.5 76
	00	27.4 81				87		Calm															25.1 77	No precipitation No precipitation	1
May 5, Tuesday	23	27.7 82				89		Calm															25.7 78	No precipitation No precipitation	1
	22	28.6 83	752.8 29.64 1003.65 1003.65	756.1 29.77 1008.05 1008.05	2.1 0.08 2.8 2.8	74	Wind blowing from the east	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			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.			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; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered.	7.0 4.4	23.5 74
	21	29.2 85				76	Wind blowing from the east	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)															24.6 76	No precipitation No precipitation	1
	20	29.9 86				73	Wind blowing from the east-northeast	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)															24.6 76	No precipitation No precipitation	1
	19	32.0 90	750.7 29.56 1000.85 1000.85	754.0 29.69 1005.25 1005.25	0.3 0.01 0.4 0.4	66	Wind blowing from the east	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			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.		35.7 96	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	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.	8.0 5.0	24.8 77
	18	34.1 93				63	Wind blowing from the north	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)															26.2 79	No precipitation No precipitation	1
	17	34.9 95				58	Wind blowing from the east-northeast	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)															25.4 78	No precipitation No precipitation	1
	16	35.2 95	750.4 29.54 1000.45 1000.45	753.6 29.67 1004.72 1004.72	-2.5 -0.1 -3.33 -3.33	51	Wind blowing from the east	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas	Haze.	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.	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; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered.	9.0 5.6	23.6 74