Weather archive in Jack London Lake

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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 July 29, Wednesday	08	11.3 52	688.0 27.09 917.26 917.26			95	Wind blowing from the north	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)	11 m/s 40 km/h 25 miles/hour 21 mile/hour 6 Bft		100%. 10/10. 8 oktas	Rain shower(s), slight.			11.3 52							10.0 6.2		8.0 0.31	12
	05	13.4 56	687.0 27.05 915.92 915.92			95	Wind blowing from the north	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)
	02	17.6 64	686.0 27.01 914.59 914.59			76	Wind blowing from the north-east	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			100%. 10/10. 8 oktas	Visibility reduced by smoke, e.g. veldt or forest fires, industrial smoke or volcanic ashes.										20.0 12.4
July 28, Tuesday	23	21.2 70	685.0 26.97 913.26 913.26			51	Wind blowing from the west	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)
	20	22.0 72	684.7 26.96 912.86 912.86	750.8 29.56 1000.98 1000.98		53	Wind blowing from the south-east	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)		10 m/s 36 km/h 22 mph 19 knots 5 Bft	70 – 80%. 7/10 – 8/10. 6 oktas	Visibility reduced by smoke, e.g. veldt or forest fires, industrial smoke or volcanic ashes.	Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the period.	Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the period.		26.7 80	Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus.	20–30%. 2/10–3/10. 2 oktas	1000-1500 3281-4921	Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels.	Cirrus uncinus or fibratus, or both, progressively invading the sky; they generally thicken as a whole.	20.0 12.4	11.9 53	No precipitation No precipitation	12
	17	25.4 78	684.7 26.96 912.86 912.86	750.1 29.53 1000.05 1000.05		42	Wind blowing from the east-southeast	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)															11.7 53
	14	22.3 72	685.6 26.99 914.06 914.06	751.8 29.6 1002.32 1002.32		57	Wind blowing from the south-southeast	Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft)			40%. 4/10. 3 oktas	Visibility reduced by smoke, e.g. veldt or forest fires, industrial smoke or volcanic ashes.	Cloud covering 1/2 or less of the sky throughout the appropriate period.	Cloud covering 1/2 or less of the sky throughout the appropriate period.			No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	2500 or more, or no clouds. 8202 or more, or no clouds.	Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels.	Cirrus uncinus or fibratus, or both, progressively invading the sky; they generally thicken as a whole.	20.0 12.4	13.3 56
	11	20.4 69	686.6 27.03 915.39 915.39	753.4 29.66 1004.45 1004.45		65	Wind blowing from the south-southeast	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)															13.5 56
	08	16.9 62	687.3 27.06 916.32 916.32	754.9 29.72 1006.45 1006.45		78	Wind blowing from the south-southeast	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			20–30%. 2/10–3/10. 2 oktas	Visibility reduced by smoke, e.g. veldt or forest fires, industrial smoke or volcanic ashes.	Cloud covering 1/2 or less of the sky throughout the appropriate period.	Cloud covering 1/2 or less of the sky throughout the appropriate period.	12.8 55		No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	no clouds no clouds no clouds	2500 or more, or no clouds. 8202 or more, or no clouds.	No Altocumulus, Altostratus or Nimbostratus.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	20.0 12.4	13.1 56	No precipitation No precipitation	12	Surface of ground moist.	9.0 48