Weather archive on Heiss Island

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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 August 31, Monday	15	2.4 36	756.3 29.78 1008.32 1008.32	758.6 29.87 1011.38 1011.38	-0.7 -0.03 -0.93 -0.93	94	Wind blowing from the south-southeast	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)		14 m/s 50 km/h 31 mile/hour 27 knots 7 Bft	100%. 10/10. 8 oktas						Stratus nebulosus or Stratus fractus other than of bad weather, or both.	100%. 10/10. 8 oktas	300-600 984-1968			20.0 12.4	1.5 35
	12	3.1 38	757.0 29.8 1009.25 1009.25	759.3 29.89 1012.32 1012.32	-0.7 -0.03 -0.93 -0.93	89	Wind blowing from the south	Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft)	12 m/s 43 km/h 27 miles/hour 23 knots 6 Bft	13 m/s 47 km/h 29 miles/hour 25 knots 6 Bft	100%. 10/10. 8 oktas						Stratus nebulosus or Stratus fractus other than of bad weather, or both.	100%. 10/10. 8 oktas	300-600 984-1968			20.0 12.4	1.5 35
	09	3.0 37	757.7 29.83 1010.18 1010.18	760.0 29.92 1013.25 1013.25	-0.9 -0.04 -1.2 -1.2	89	Wind blowing from the south	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)		10 m/s 36 km/h 22 mph 19 knots 5 Bft	100%. 10/10. 8 oktas						Stratocumulus other than Stratocumulus cumulogenitus.	60%. 6/10. 5 oktas	300-600 984-1968	Altocumulus translucidus at a single level.	Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole, but the continuous veil does not reach 45 degrees above the horizon.	20.0 12.4	1.3 34
	06	1.6 35	758.6 29.87 1011.38 1011.38	760.9 29.96 1014.45 1014.45	-0.7 -0.03 -0.93 -0.93	94	Wind blowing from the south	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			100%. 10/10. 8 oktas				0.8 33		Stratus nebulosus or Stratus fractus other than of bad weather, or both.	70 – 80%. 7/10 – 8/10. 6 oktas	200-300 656-984	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.		20.0 12.4	0.8 33			Surface of ground moist.	1.0 34
	03	2.3 36	759.3 29.89 1012.32 1012.32	761.6 29.98 1015.38 1015.38	-0.6 -0.02 -0.8 -0.8	95	Wind blowing from the south	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						Stratus nebulosus or Stratus fractus other than of bad weather, or both.	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	1.5 35
	00	2.3 36	759.9 29.92 1013.12 1013.12	762.2 30.01 1016.18 1016.18	-0.6 -0.02 -0.8 -0.8	97	Wind blowing from the south-west	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						Stratus nebulosus or Stratus fractus other than of bad weather, or both.	40%. 4/10. 3 oktas	300-600 984-1968	Altocumulus translucidus at a single level.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	20.0 12.4	1.8 35
August 30, Sunday	15	2.3 36	761.0 29.96 1014.58 1014.58	763.3 30.05 1017.65 1017.65	0.2 0.01 0.27 0.27	91	Wind blowing from the west-southwest	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						Stratocumulus other than 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	Altocumulus translucidus at a single level.	No Cirrus, Cirrocumulus or Cirrostratus.	20.0 12.4	0.9 34