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
2025 April 18, Friday	17	13.0 55	746.8 29.4 995.65 995.65	757.3 29.81 1009.65 1009.65	-2.4 -0.09 -3.2 -3.2	45	Wind blowing from the east-northeast	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 8 oktas								1000-1500 3281-4921			24.0 14.9	1.3 34
	16	13.1 56	747.1 29.41 996.05 996.05	757.6 29.83 1010.05 1010.05		40																	-0.3 31
	15	11.6 53	748.2 29.46 997.52 997.52	758.7 29.87 1011.52 1011.52		50																	1.4 35
	14	12.9 55	749.2 29.5 998.85 998.85	759.7 29.91 1012.85 1012.85	-3.3 -0.13 -4.4 -4.4	36	Wind blowing from the east	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			100%. 10/10. 8 oktas				-3.0 27	13.1 56	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 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	-2.0 28	No precipitation No precipitation	6
	13	12.8 55	749.5 29.51 999.25 999.25	760.0 29.92 1013.25 1013.25		34																	-2.8 27
	12	11.1 52	750.7 29.56 1000.85 1000.85	761.2 29.97 1014.85 1014.85		34																	-4.4 24
	11	10.8 51	752.5 29.63 1003.25 1003.25	763.0 30.04 1017.25 1017.25	-2.1 -0.08 -2.8 -2.8	35	Wind blowing from the east-southeast	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								2500 or more, or no clouds. 8202 or more, or no clouds.			24.0 14.9	-4.2 24
	10	7.7 46	753.0 29.65 1003.92 1003.92	763.6 30.06 1018.05 1018.05		42																	-4.5 24
	09	5.0 41	754.0 29.69 1005.25 1005.25	764.6 30.1 1019.38 1019.38		49																	-4.9 23
	08	2.4 36	754.6 29.71 1006.05 1006.05	765.3 30.13 1020.32 1020.32	-0.3 -0.01 -0.4 -0.4	69	Wind blowing from the east-southeast	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				-3.0 27	10.3 51	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 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.	24.0 14.9	-2.7 27	No precipitation No precipitation	6
	07	-0.1 32	754.8 29.72 1006.32 1006.32	765.4 30.13 1020.45 1020.45		79																	-3.4 26
	06	-0.5 31	754.9 29.72 1006.45 1006.45	765.5 30.14 1020.58 1020.58		80																	-3.5 26
	05	-0.4 31	754.9 29.72 1006.45 1006.45	765.6 30.14 1020.72 1020.72	-0.2 -0.01 -0.27 -0.27	79	Wind blowing from the south	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			40%. 4/10. 3 oktas								2500 or more, or no clouds. 8202 or more, or no clouds.			24.0 14.9	-3.7 25
	04	-1.0 30	754.7 29.71 1006.18 1006.18	765.4 30.13 1020.45 1020.45		80																	-4.1 25
	03	1.0 34	754.9 29.72 1006.45 1006.45	765.6 30.14 1020.72 1020.72		71																	-3.7 25
	02	0.9 34	755.1 29.73 1006.72 1006.72	765.8 30.15 1020.98 1020.98	-0.4 -0.02 -0.53 -0.53	73	Wind blowing from the south	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			20–30%. 2/10–3/10. 2 oktas				-1.4 29	10.3 51	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 uncinus or fibratus, or both, progressively invading the sky; they generally thicken as a whole.	24.0 14.9	-3.5 26	No precipitation No precipitation	6
	01	1.7 35	755.3 29.74 1006.98 1006.98	766.0 30.16 1021.25 1021.25		68																	-3.6 26
	00	3.3 38	755.5 29.74 1007.25 1007.25	766.2 30.17 1021.52 1021.52		59																	-4.0 25
April 17, Thursday	23	2.9 37	755.5 29.74 1007.25 1007.25	766.3 30.17 1021.65 1021.65	1.1 0.04 1.47 1.47	55	Wind blowing from the south	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			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.			24.0 14.9	-5.4 22
	22	4.0 39	755.0 29.72 1006.58 1006.58	765.7 30.15 1020.85 1020.85		39																	-8.8 16
	21	6.2 43	754.7 29.71 1006.18 1006.18	765.4 30.13 1020.45 1020.45		24																	-12.9 9
	20	5.8 42	754.4 29.7 1005.78 1005.78	765.1 30.12 1020.05 1020.05	-0.1 -0 -0.13 -0.13	28	Wind blowing from the west-northwest	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			no clouds no clouds no clouds				-1.4 29	10.3 51						24.0 14.9	-11.3 12	No precipitation No precipitation	6
	19	9.2 49	754.3 29.7 1005.65 1005.65	765.0 30.12 1019.92 1019.92		19																	-13.2 8
	18	10.1 50	754.6 29.71 1006.05 1006.05	765.2 30.13 1020.18 1020.18		18																	-13.2 8
	17	9.7 49	754.5 29.7 1005.92 1005.92	765.1 30.12 1020.05 1020.05	-0.6 -0.02 -0.8 -0.8	19	Wind blowing from the north-west	Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft)			50%. 5/10. 4 oktas								2500 or more, or no clouds. 8202 or more, or no clouds.			24.0 14.9	-13.2 8