Weather archive in Osa

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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 5, Saturday	05	12.7 55	752.0 29.61 1002.58 1002.58			100	Calm, no wind	Calm
2026 September 5, Saturday	02	13.5 56	752.0 29.61 1002.58 1002.58			100	Calm, no wind	Calm
September 4, Friday	23	15.4 60	752.0 29.61 1002.58 1002.58			99	Calm, no wind	Calm
	20	17.9 64	752.0 29.61 1002.58 1002.58			85	Wind blowing from the south	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			100%. 10/10. 8 oktas	Thunderstorm, but no precipitation at the time of observation.				23.2 74						50.0 31.1		No precipitation No precipitation	12
	17	22.0 72	752.1 29.61 1002.72 1002.72	760.5 29.94 1013.92 1013.92		53	Wind blowing from the south-west	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 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	Altocumulus castellanus or floccus.	Cirrocumulus alone, or Cirrocumulus accompanied by Cirrus or Cirrostratus or both, but Cirrocumulus is predominant.	50.0 31.1	11.9 53
	14	21.8 71	752.3 29.62 1002.98 1002.98	760.7 29.95 1014.18 1014.18		56	Wind blowing from the south-west	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas						Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus.	50%. 5/10. 4 oktas	600-1000 1968-3281	Altocumulus castellanus or floccus.	Cirrus uncinus or fibratus, or both, progressively invading the sky; they generally thicken as a whole.	20.0 12.4	12.7 55
	11	20.5 69	752.6 29.63 1003.38 1003.38	761.1 29.96 1014.72 1014.72		64	Wind blowing from the south-east	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			20–30%. 2/10–3/10. 2 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	Altocumulus castellanus or floccus.	Cirrocumulus alone, or Cirrocumulus accompanied by Cirrus or Cirrostratus or both, but Cirrocumulus is predominant.	20.0 12.4	13.4 56
	08	12.2 54	752.5 29.63 1003.25 1003.25	761.2 29.97 1014.85 1014.85		99	Calm, no wind	Calm			10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0				8.4 47		Stratocumulus cumulogenitus.	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.	No Cirrus, Cirrocumulus or Cirrostratus.	20.0 12.4	12.0 54	No precipitation No precipitation	12	Dry (without cracks, no appreciable amount of dust or loose sand)	8.0 46
	05	8.9 48	751.9 29.6 1002.45 1002.45	760.6 29.94 1014.05 1014.05		99	Calm, no wind	Calm															8.8 48