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 January 31, Friday	10	29.6 85	756.1 29.77 1008.05 1008.05	756.4 29.78 1008.45 1008.45	0.2 0.01 0.27 0.27	71	Wind blowing from the west-northwest	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						Cumulus humilis or Cumulus fractus other than of bad weather, or both.	40%. 4/10. 3 oktas	600-1000 1968-3281	Altostratus translucidus.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	10.0 6.2	23.9 75
	07	26.0 79	755.9 29.76 1007.78 1007.78	756.1 29.77 1008.05 1008.05	1.3 0.05 1.73 1.73	85	Wind blowing from the west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 8 oktas				25.4 78		Stratocumulus other than Stratocumulus cumulogenitus.	20–30%. 2/10–3/10. 2 oktas	600-1000 1968-3281	Altostratus opacus or Nimbostratus.		10.0 6.2	23.2 74	Trace of precipitation Trace of precipitation	24
	04	25.6 78	754.6 29.71 1006.05 1006.05	754.9 29.72 1006.45 1006.45	-0.8 -0.03 -1.07 -1.07	85	Wind blowing from the north-west	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						Stratocumulus other than Stratocumulus cumulogenitus.	20–30%. 2/10–3/10. 2 oktas	600-1000 1968-3281	Altostratus opacus or Nimbostratus.	Cirrus spissatus, in patches or entangled sheaves, which usually do not increase and sometimes seem to be the remains of the upper part of a Cumulonimbus; or Cirrus castellanus or floccus.	8.0 5.0	22.8 73
	01	25.6 78	755.4 29.74 1007.12 1007.12	755.6 29.75 1007.38 1007.38	-1.4 -0.06 -1.87 -1.87	85	Wind blowing from the west	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 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 spissatus, in patches or entangled sheaves, which usually do not increase and sometimes seem to be the remains of the upper part of a Cumulonimbus; or Cirrus castellanus or floccus.	8.0 5.0	22.8 73
January 30, Thursday	22	26.2 79	756.8 29.8 1008.98 1008.98	757.1 29.81 1009.38 1009.38	0.6 0.02 0.8 0.8	85	Wind blowing from the west	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas						Stratocumulus other than Stratocumulus cumulogenitus.	20–30%. 2/10–3/10. 2 oktas	600-1000 1968-3281	Altostratus opacus or Nimbostratus.	Cirrus spissatus, in patches or entangled sheaves, which usually do not increase and sometimes seem to be the remains of the upper part of a Cumulonimbus; or Cirrus castellanus or floccus.	8.0 5.0	23.4 74
	19	26.4 80	756.2 29.77 1008.18 1008.18	756.5 29.78 1008.58 1008.58	1.1 0.04 1.47 1.47	84	Wind blowing from the west-northwest	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					30.2 86	Stratocumulus other than Stratocumulus cumulogenitus.	20–30%. 2/10–3/10. 2 oktas	600-1000 1968-3281	Altostratus opacus or Nimbostratus.	Cirrus spissatus, in patches or entangled sheaves, which usually do not increase and sometimes seem to be the remains of the upper part of a Cumulonimbus; or Cirrus castellanus or floccus.	8.0 5.0	23.4 74
	16	27.5 82	755.1 29.73 1006.72 1006.72	755.3 29.74 1006.98 1006.98	-0.7 -0.03 -0.93 -0.93	72	Wind blowing from the west-northwest	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			100%. 10/10. 8 oktas						Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus.	20–30%. 2/10–3/10. 2 oktas	300-600 984-1968	Altostratus opacus or Nimbostratus.		10.0 6.2	22.0 72
	13	28.6 83	755.8 29.76 1007.65 1007.65	756.1 29.77 1008.05 1008.05	-1.5 -0.06 -2 -2	75	Wind blowing from the west-northwest	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			100%. 10/10. 8 oktas	State of sky on the whole unchanged.	Rain.	Cloud covering more than 1/2 of the sky throughout the appropriate period.			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	Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus 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.	10.0 6.2	23.7 75	Trace of precipitation Trace of precipitation	6
	10	26.6 80	757.3 29.81 1009.65 1009.65	757.6 29.83 1010.05 1010.05	0.7 0.03 0.93 0.93	82	Wind blowing from the west-northwest	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			100%. 10/10. 8 oktas						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.	10.0 6.2	23.3 74