Weather archive in Santarem (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
2026 March 18, Wednesday	06	24.3 76	751.9 29.6 1002.45 1002.45	757.0 29.8 1009.25 1009.25		97	Wind blowing from the south-southeast	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 8 oktas	Rain, not freezing, continuous, slight at time of observation.	Rain.	Rain.			Stratocumulus other than Stratocumulus cumulogenitus.	70 – 80%. 7/10 – 8/10. 6 oktas	200-300 656-984	Altostratus opacus or Nimbostratus.		6.0 3.7	23.8 75
	03	25.5 78	751.9 29.6 1002.45 1002.45	757.0 29.8 1009.25 1009.25		95	Wind blowing from the east	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			100%. 10/10. 8 oktas	Rain, not freezing, continuous, slight at time of observation.	Thunderstorm(s) with or without precipitation.	Rain.			Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.	70 – 80%. 7/10 – 8/10. 6 oktas	300-600 984-1968	Altostratus opacus or Nimbostratus.		6.0 3.7	24.6 76	3.0 0.12	6
	00	25.3 78	753.1 29.65 1004.05 1004.05	758.2 29.85 1010.85 1010.85		96	Wind blowing from the south-southeast	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	Clouds generally forming or developing.	Thunderstorm(s) with or without precipitation.	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	300-600 984-1968	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 uncinus or fibratus, or both, progressively invading the sky; they generally thicken as a whole.	20.0 12.4	24.6 76
March 17, Tuesday	21	26.2 79	751.9 29.6 1002.45 1002.45	757.0 29.8 1009.25 1009.25		94	Calm, no wind	Calm			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	Clouds generally dissolving or becoming less developed.	Rain.	Cloud covering more than 1/2 of the sky throughout the appropriate period.		28.5 83	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	300-600 984-1968	Altocumulus translucidus at a single level.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	20.0 12.4	25.2 77	Trace of precipitation Trace of precipitation	6
	18	28.2 83	749.8 29.52 999.65 999.65	755.0 29.72 1006.58 1006.58		82	Wind blowing from the south-east	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			60%. 6/10. 5 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.	No Cirrus, Cirrocumulus or Cirrostratus.	20.0 12.4	24.9 77
	15	27.6 82	751.8 29.6 1002.32 1002.32	757.0 29.8 1009.25 1009.25		86	Wind blowing from the east-southeast	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			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.			Stratus fractus or Cumulus fractus of bad weather, or both (pannus), usually below Altostratus or Nimbostratus.	60%. 6/10. 5 oktas	300-600 984-1968	Altostratus opacus or Nimbostratus.		10.0 6.2	25.1 77	0.6 0.02	6
	12	27.3 81	754.3 29.7 1005.65 1005.65	759.5 29.9 1012.58 1012.58		86	Wind blowing from the east	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			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.			Stratocumulus other than Stratocumulus cumulogenitus.	50%. 5/10. 4 oktas	300-600 984-1968	Altostratus translucidus.	Cirrus uncinus or fibratus, or both, progressively invading the sky; they generally thicken as a whole.	12.0 7.5	24.8 77
	09	27.7 82	754.3 29.7 1005.65 1005.65	759.4 29.9 1012.45 1012.45		78	Wind blowing from the east	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			100%. 10/10. 8 oktas	Haze.	Thunderstorm(s) with or without precipitation.	Cloud covering more than 1/2 of the sky throughout the appropriate period.	26.2 79		Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.	60%. 6/10. 5 oktas	300-600 984-1968	Altocumulus translucidus at a single level.	Cirrus uncinus or fibratus, or both, progressively invading the sky; they generally thicken as a whole.	15.0 9.3	23.6 74	Trace of precipitation Trace of precipitation	24
	06	26.5 80	751.9 29.6 1002.45 1002.45	757.0 29.8 1009.25 1009.25		89	Wind blowing from the east-southeast	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			100%. 10/10. 8 oktas	Thunderstorm (with or without precipitation).	Thunderstorm(s) with or without precipitation.	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.	50%. 5/10. 4 oktas	300-600 984-1968	Altostratus opacus or Nimbostratus.	Cirrus uncinus or fibratus, or both, progressively invading the sky; they generally thicken as a whole.	7.0 4.4	24.6 76