Weather archive in Ottawa (airport)

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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 9, Wednesday	08	15.3 60	754.0 29.69 1005.25 1005.25	764.5 30.1 1019.25 1019.25	-0.9 -0.04 -1.2 -1.2	95	Wind blowing from the east	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 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.	14.8 59		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	1500-2000 4921-6562	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.		24.0 14.9	14.5 58	Trace of precipitation Trace of precipitation	6
	05	15.1 59	754.9 29.72 1006.45 1006.45	765.4 30.13 1020.45 1020.45	-0.8 -0.03 -1.07 -1.07	93	Wind blowing from the east	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			100%. 10/10. 8 oktas								2500 or more, or no clouds. 8202 or more, or no clouds.			24.0 14.9	13.9 57
	02	16.6 62	755.7 29.75 1007.52 1007.52	766.1 30.16 1021.38 1021.38	-1.1 -0.04 -1.47 -1.47	85	Wind blowing from the east-southeast	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			100%. 10/10. 8 oktas				14.5 58	23.4 74	No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	100%. 10/10. 8 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.	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.		24.0 14.9	14.1 57	No precipitation No precipitation	6
September 8, Tuesday	23	16.0 61	756.8 29.8 1008.98 1008.98	767.2 30.2 1022.85 1022.85	-0.3 -0.01 -0.4 -0.4	86	Wind blowing from the south-southeast	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 8 oktas								2500 or more, or no clouds. 8202 or more, or no clouds.			24.0 14.9	13.6 56
	20	17.4 63	757.1 29.81 1009.38 1009.38	767.5 30.22 1023.25 1023.25	0.0 0 0 0	82	Wind blowing from the south-southeast	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			60%. 6/10. 5 oktas				14.5 58	23.4 74	Stratocumulus cumulogenitus.	20–30%. 2/10–3/10. 2 oktas	1000-1500 3281-4921	No Altocumulus, Altostratus or Nimbostratus.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	24.0 14.9	14.2 58	No precipitation No precipitation	6
	17	22.8 73	757.1 29.81 1009.38 1009.38	767.5 30.22 1023.25 1023.25	-0.9 -0.04 -1.2 -1.2	60	Wind blowing from the south-east	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			50%. 5/10. 4 oktas								1500-2000 4921-6562			24.0 14.9	14.5 58
	14	21.5 71	758.0 29.84 1010.58 1010.58	768.4 30.25 1024.45 1024.45	-0.6 -0.02 -0.8 -0.8	63	Calm, no wind	Calm			60%. 6/10. 5 oktas				13.9 57	21.8 71	Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.	60%. 6/10. 5 oktas	600-1000 1968-3281	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	24.0 14.9	14.2 58	No precipitation No precipitation	6
	11	18.2 65	758.6 29.87 1011.38 1011.38	769.0 30.28 1025.25 1025.25	1.0 0.04 1.33 1.33	84	Wind blowing from the east	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								300-600 984-1968			24.0 14.9	15.5 60
	08	15.8 60	757.6 29.83 1010.05 1010.05	768.1 30.24 1024.05 1024.05	0.7 0.03 0.93 0.93	97	Wind blowing from the east	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	Rain (not freezing) not falling as shower(s).	Shower(s).	Cloud covering more than 1/2 of the sky throughout the appropriate period.	13.9 57	25.1 77	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	300-600 984-1968	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	24.0 14.9	15.4 60	2.0 0.08	6