Weather archive in Rio Branco (airport)

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
2025 September 19, Friday	14	32.9 91	742.6 29.24 990.05 990.05	758.9 29.88 1011.78 1011.78	-2.4 -0.09 -3.2 -3.2	55	Wind blowing from the north-northwest	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 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.	50%. 5/10. 4 oktas	600-1000 1968-3281	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	20.0 12.4	22.6 73
	11	30.3 87	745.0 29.33 993.25 993.25	761.5 29.98 1015.25 1015.25		63	Wind blowing from the north-northwest	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			no clouds no clouds no clouds											20.0 12.4	22.6 73
	08	25.3 78	743.8 29.28 991.65 991.65	760.4 29.94 1013.78 1013.78	1.6 0.06 2.13 2.13	89	Wind blowing from the north-northeast	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			50%. 5/10. 4 oktas				23.6 74		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.	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	20.0 12.4	23.4 74
	05	24.1 75	742.2 29.22 989.52 989.52	758.5 29.86 1011.25 1011.25		92	Wind blowing from the north-northeast	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas						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	Altocumulus translucidus at a single level.	No Cirrus, Cirrocumulus or Cirrostratus.	20.0 12.4	22.7 73
	02	24.4 76	741.5 29.19 988.59 988.59	757.9 29.84 1010.45 1010.45		89	Wind blowing from the east	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 8 oktas						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	Altocumulus translucidus at a single level.	No Cirrus, Cirrocumulus or Cirrostratus.	20.0 12.4	22.5 73
September 18, Thursday	23	25.1 77	742.3 29.22 989.65 989.65	758.8 29.87 1011.65 1011.65		87	Wind blowing from the east-southeast	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.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0		Altocumulus translucidus at a single level.	No Cirrus, Cirrocumulus or Cirrostratus.	20.0 12.4	22.8 73
	20	27.0 81	740.0 29.13 986.59 986.59		0.5 0.02 0.67 0.67	80	Wind blowing from the east-southeast	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			no clouds no clouds no clouds					33.1 92						20.0 12.4	23.3 74
	17	33.1 92	739.5 29.11 985.92 985.92			51	Wind blowing from the west-northwest	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			40%. 4/10. 3 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	Altocumulus castellanus or floccus.	No Cirrus, Cirrocumulus or Cirrostratus.	20.0 12.4	21.5 71
	14	31.1 88	741.4 29.19 988.45 988.45	757.9 29.84 1010.45 1010.45	-2.7 -0.11 -3.6 -3.6	62	Wind blowing from the north-west	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			40%. 4/10. 3 oktas						Cumulus humilis or Cumulus fractus other than of bad weather, or both.	40%. 4/10. 3 oktas	600-1000 1968-3281	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	20.0 12.4	22.9 73