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 December 16, Tuesday	23	-3.0 27	745.7 29.36 994.19 994.19	756.4 29.78 1008.45 1008.45		78																	-6.3 21
	22	-3.6 26	746.1 29.37 994.72 994.72	756.8 29.8 1008.98 1008.98	-3.1 -0.12 -4.13 -4.13	79	Wind blowing from the south	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			100%. 10/10. 8 oktas								1500-2000 4921-6562			16.0 9.9	-6.8 20
	21	-2.8 27	747.4 29.43 996.45 996.45	758.2 29.85 1010.85 1010.85		75																	-6.6 20
	20	-2.7 27	748.1 29.45 997.38 997.38	758.9 29.88 1011.78 1011.78		77																	-6.3 21
	19	-3.0 27	749.2 29.5 998.85 998.85	760.0 29.92 1013.25 1013.25	-1.4 -0.06 -1.87 -1.87	75	Wind blowing from the south-southwest	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.	Snow and/or other types of solid precipitation	Cloud covering more than 1/2 of the sky throughout the appropriate period.	-6.6 20	-2.0 28	Stratocumulus other than Stratocumulus cumulogenitus.	100%. 10/10. 8 oktas	300-600 984-1968			24.0 14.9	-6.8 20	Trace of precipitation Trace of precipitation	6			Even layer of loose dry snow covering ground completely.	24 9.4
	18	-3.0 27	749.5 29.51 999.25 999.25	760.3 29.93 1013.65 1013.65		74																	-7.0 19
	17	-3.7 25	749.8 29.52 999.65 999.65	760.6 29.94 1014.05 1014.05		82																	-6.4 20
	16	-3.6 26	750.6 29.55 1000.72 1000.72	761.4 29.98 1015.12 1015.12	-0.7 -0.03 -0.93 -0.93	82	Wind blowing from the south	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			100%. 10/10. 8 oktas								600-1000 1968-3281			24.0 14.9	-6.3 21
	15	-3.2 26	750.6 29.55 1000.72 1000.72	761.4 29.98 1015.12 1015.12		75																	-7.1 19
	14	-2.7 27	751.2 29.57 1001.52 1001.52	762.0 30 1015.92 1015.92		67																	-8.1 17
	13	-2.2 28	751.3 29.58 1001.65 1001.65	762.1 30 1016.05 1016.05	-2.7 -0.11 -3.6 -3.6	64	Wind blowing from the south-southwest	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	State of sky on the whole unchanged.	Snow and/or other types of solid precipitation	Cloud covering more than 1/2 of the sky throughout the appropriate period.	-8.5 17	-2.2 28	Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.	20–30%. 2/10–3/10. 2 oktas	600-1000 1968-3281	No Altocumulus, Altostratus or Nimbostratus.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	24.0 14.9	-8.2 17	Trace of precipitation Trace of precipitation	6			Even layer of loose dry snow covering ground completely.	24 9.4
	12	-3.3 26	752.2 29.61 1002.85 1002.85	763.1 30.04 1017.38 1017.38		69																	-8.3 17
	11	-5.2 23	753.3 29.66 1004.32 1004.32	764.2 30.09 1018.85 1018.85		77																	-8.7 16
	10	-5.7 22	754.0 29.69 1005.25 1005.25	764.9 30.11 1019.78 1019.78	1.2 0.05 1.6 1.6	71	Wind blowing from the south-southwest	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			100%. 10/10. 8 oktas								1000-1500 3281-4921			24.0 14.9	-10.1 14
	09	-6.0 21	753.7 29.67 1004.85 1004.85	764.6 30.1 1019.38 1019.38		71																	-10.4 13
	08	-6.4 20	753.5 29.67 1004.58 1004.58	764.5 30.1 1019.25 1019.25		74																	-10.4 13
	07	-6.5 20	752.8 29.64 1003.65 1003.65	763.8 30.07 1018.32 1018.32	0.3 0.01 0.4 0.4	74	Wind blowing from the south-southwest	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			100%. 10/10. 8 oktas				-7.7 18	-5.9 21	Stratocumulus other than Stratocumulus cumulogenitus.	100%. 10/10. 8 oktas	1500-2000 4921-6562			24.0 14.9	-10.4 13	No precipitation No precipitation	6			Even layer of loose dry snow covering ground completely.	24 9.4
	06	-6.4 20	752.7 29.63 1003.52 1003.52	763.6 30.06 1018.05 1018.05		76																	-9.9 14
	05	-6.3 21	752.7 29.63 1003.52 1003.52	763.6 30.06 1018.05 1018.05		77																	-9.8 14
	04	-6.1 21	752.5 29.63 1003.25 1003.25	763.3 30.05 1017.65 1017.65	1.5 0.06 2 2	76	Wind blowing from the south-southwest	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			100%. 10/10. 8 oktas								1500-2000 4921-6562			24.0 14.9	-9.7 15
	03	-6.2 21	751.9 29.6 1002.45 1002.45	762.8 30.03 1016.98 1016.98		77																	-9.7 15
	02	-6.1 21	751.2 29.57 1001.52 1001.52	762.1 30 1016.05 1016.05		75																	-9.8 14
	01	-6.1 21	751.0 29.57 1001.25 1001.25	761.9 30 1015.78 1015.78	-0.4 -0.02 -0.53 -0.53	76	Wind blowing from the south-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	State of sky on the whole unchanged.	Snow and/or other types of solid precipitation	Snow and/or other types of solid precipitation		-5.9 21	Stratocumulus other than Stratocumulus cumulogenitus.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	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.	No Cirrus, Cirrocumulus or Cirrostratus.	24.0 14.9	-9.7 15	Trace of precipitation Trace of precipitation	6			Even layer of loose dry snow covering ground completely.	25 9.8
	00	-6.3 21	750.9 29.56 1001.12 1001.12	761.8 29.99 1015.65 1015.65		79																	-9.4 15
December 15, Monday	23	-6.8 20	751.3 29.58 1001.65 1001.65	762.2 30.01 1016.18 1016.18		82																	-9.4 15