Weather archive in Porto Velho (airport)

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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	20	24.0 75	751.0 29.57 1001.25 1001.25	758.6 29.87 1011.38 1011.38	1.5 0.06 2 2	93	Wind blowing from the west	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			20–30%. 2/10–3/10. 2 oktas					33.6 92	Cumulus humilis or Cumulus fractus other than of bad weather, or both.	20–30%. 2/10–3/10. 2 oktas	1000-1500 3281-4921	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	20.0 12.4	22.8 73	0.1	6
	17	23.4 74	749.5 29.51 999.25 999.25	757.2 29.81 1009.52 1009.52	-1.6 -0.06 -2.13 -2.13	91	Wind blowing from the west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			60%. 6/10. 5 oktas						No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	20–30%. 2/10–3/10. 2 oktas	1000-1500 3281-4921	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	9.0 5.6	21.9 71
	14	30.3 87	751.1 29.57 1001.38 1001.38	758.7 29.87 1011.52 1011.52	-2.4 -0.09 -3.2 -3.2	75	Wind blowing from the south-southwest	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			no clouds no clouds no clouds	Precipitation within sight, reaching the ground or the surface of the sea, but distant, i.e. estimated to be more than 5 km from the station.	Rain.	Rain.								7.0 4.4	25.3 78
	11	31.6 89	753.5 29.67 1004.58 1004.58	761.1 29.96 1014.72 1014.72	-0.1 -0 -0.13 -0.13	59	Wind blowing from the east-southeast	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas						No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	50%. 5/10. 4 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.	Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels.	Cirrus spissatus, in patches or entangled sheaves, which usually do not increase and sometimes seem to be the remains of the upper part of a Cumulonimbus; or Cirrus castellanus or floccus.	20.0 12.4	22.5 73
	08	26.9 80	753.6 29.67 1004.72 1004.72	761.2 29.97 1014.85 1014.85	1.4 0.06 1.87 1.87	80	Wind blowing from the south	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas				24.9 77		No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	70 – 80%. 7/10 – 8/10. 6 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.	Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels.	Cirrus spissatus, in patches or entangled sheaves, which usually do not increase and sometimes seem to be the remains of the upper part of a Cumulonimbus; or Cirrus castellanus or floccus.	20.0 12.4	23.2 74	0.5 0.02	24
	05	24.9 77	752.2 29.61 1002.85 1002.85	759.8 29.91 1012.98 1012.98	-0.3 -0.01 -0.4 -0.4	89	Calm, no wind	Calm			20–30%. 2/10–3/10. 2 oktas						Cumulus humilis or Cumulus fractus other than of bad weather, or both.	20–30%. 2/10–3/10. 2 oktas	600-1000 1968-3281	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	20.0 12.4	23.0 73
	02	25.8 78	752.5 29.63 1003.25 1003.25	760.0 29.92 1013.25 1013.25	-0.6 -0.02 -0.8 -0.8	83	Wind blowing from the south-southwest	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			20–30%. 2/10–3/10. 2 oktas						No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	20–30%. 2/10–3/10. 2 oktas	600-1000 1968-3281	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	20.0 12.4	22.6 73
September 17, Thursday	23	26.3 79	753.1 29.65 1004.05 1004.05	760.6 29.94 1014.05 1014.05	1.5 0.06 2 2	83	Wind blowing from the north-northwest	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			50%. 5/10. 4 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	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	20.0 12.4	23.1 74
September 17, Thursday	20	27.3 81	751.6 29.59 1002.05 1002.05	759.2 29.89 1012.18 1012.18	2.4 0.09 3.2 3.2	76	Wind blowing from the north	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			50%. 5/10. 4 oktas	Lightning visible, no thunder heard.	Rain.	Cloud covering 1/2 or less of the sky throughout the appropriate period.		35.9 97	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	1000-1500 3281-4921	Altostratus opacus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	20.0 12.4	22.8 73	0.5 0.02	6