Weather archive in Surabaya / Perak

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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
2025 February 17, Monday	16	28.8 84	756.7 29.79 1008.85 1008.85	757.0 29.8 1009.25 1009.25	-0.1 -0 -0.13 -0.13	79	Wind blowing from the north-west	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			100%. 10/10. 8 oktas	Rain (not freezing) not falling as shower(s).	Rain.	Cloud covering more than 1/2 of the sky throughout the appropriate period.			Cumulonimbus calvus, with or without Cumulus, Stratocumulus or Stratus.	50%. 5/10. 4 oktas	600-1000 1968-3281	Altostratus opacus or Nimbostratus.	Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered.	8.0 5.0	24.7 76	Trace of precipitation Trace of precipitation	3
	13	33.4 92	756.8 29.8 1008.98 1008.98	757.0 29.8 1009.25 1009.25	-1.8 -0.07 -2.4 -2.4	61	Wind blowing from the north-northwest	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 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						Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus.	50%. 5/10. 4 oktas	300-600 984-1968	Altostratus translucidus.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	10.0 6.2	24.8 77
	10	32.0 90	758.6 29.87 1011.38 1011.38	758.8 29.87 1011.65 1011.65	0.1 0 0.13 0.13	65	Wind blowing from the north-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.	40%. 4/10. 3 oktas	600-1000 1968-3281	Altostratus translucidus.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	10.0 6.2	24.7 76
	07	27.4 81	758.5 29.86 1011.25 1011.25	758.8 29.87 1011.65 1011.65	1.5 0.06 2 2	85	Wind blowing from the west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			60%. 6/10. 5 oktas				26.6 80		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	Altostratus translucidus.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	10.0 6.2	24.7 76	4.0 0.16	24
	04	27.1 81	757.0 29.8 1009.25 1009.25	757.3 29.81 1009.65 1009.65	-0.3 -0.01 -0.4 -0.4	87	Wind blowing from the west-southwest	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	Altostratus translucidus.		7.0 4.4	24.8 77
	01	27.5 82	757.3 29.81 1009.65 1009.65	757.5 29.82 1009.92 1009.92	-1.2 -0.05 -1.6 -1.6	91	Wind blowing from the north-west	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 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	Rain (not freezing) not falling as shower(s).	Rain.	Cloud covering more than 1/2 of the sky throughout the appropriate period.			Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.	90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	600-1000 1968-3281	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	7.0 4.4	25.9 79	4.0 0.16	6
February 16, Sunday	22	29.0 84	758.5 29.86 1011.25 1011.25	758.8 29.87 1011.65 1011.65	1.3 0.05 1.73 1.73	81	Wind blowing from the north-northwest	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.	90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	600-1000 1968-3281	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	8.0 5.0	25.5 78
	19	29.4 85	757.2 29.81 1009.52 1009.52	757.4 29.82 1009.78 1009.78	2.3 0.09 3.07 3.07	78	Wind blowing from the north-northwest	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			20–30%. 2/10–3/10. 2 oktas					34.0 93	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.	Altostratus translucidus.	No Cirrus, Cirrocumulus or Cirrostratus.	8.0 5.0	25.1 77
	16	32.4 90	754.9 29.72 1006.45 1006.45	755.2 29.73 1006.85 1006.85	-1.2 -0.05 -1.6 -1.6	65	Wind blowing from the north	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			60%. 6/10. 5 oktas						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.	Altostratus opacus or Nimbostratus.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	10.0 6.2	24.9 77