Weather archive in Hamilton (airport), Canada

To receive explanations, hover over the appropriate heading

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 19, Sunday	05	-6.9 20	739.9 29.13 986.45 986.45	762.1 30 1016.05 1016.05		71																	-11.3 12
	04	-6.8 20	740.2 29.14 986.85 986.85	762.4 30.02 1016.45 1016.45	0.6 0.02 0.8 0.8	72	Wind blowing from the west-northwest	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	-11.0 12
	03	-6.8 20	740.1 29.14 986.72 986.72	762.2 30.01 1016.18 1016.18		70																	-11.4 11
	02	-7.2 19	739.5 29.11 985.92 985.92	761.6 29.98 1015.38 1015.38		71																	-11.7 11
	01	-7.5 19	739.6 29.12 986.05 986.05	761.7 29.99 1015.52 1015.52	0.5 0.02 0.67 0.67	69	Wind blowing from the west-northwest	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			60%. 6/10. 5 oktas	Continuous fall of snowflakes, slight at time of observation.	Snow and/or other types of solid precipitation	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.	-8.0 18	4.2 40	Stratocumulus other than Stratocumulus cumulogenitus.	60%. 6/10. 5 oktas	1000-1500 3281-4921	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	-12.3 10	Trace of precipitation Trace of precipitation	6			Compact or wet snow (with or without ice) covering less than one-half of the ground.	less than 0.5 less than 0.2
	00	-7.3 19	739.7 29.12 986.19 986.19	761.8 29.99 1015.65 1015.65		71																	-11.7 11
January 18, Saturday	23	-6.0 21	739.7 29.12 986.19 986.19	761.8 29.99 1015.65 1015.65		68																	-11.1 12
	22	-5.2 23	739.1 29.1 985.39 985.39	761.1 29.96 1014.72 1014.72	2.1 0.08 2.8 2.8	69	Wind blowing from the north-west	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	-10.0 14
	21	-5.1 23	738.3 29.07 984.32 984.32	760.3 29.93 1013.65 1013.65		69																	-9.9 14
	20	-4.8 23	737.8 29.05 983.65 983.65	759.7 29.91 1012.85 1012.85		72																	-9.2 15
	19	-4.1 25	737.0 29.02 982.59 982.59	758.9 29.88 1011.78 1011.78	3.4 0.13 4.53 4.53	71	Wind blowing from the north-west	Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 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	Snow and/or other types of solid precipitation	-4.2 24	2.7 37	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	600-1000 1968-3281	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	-8.7 16	Trace of precipitation Trace of precipitation	6			Compact or wet snow (with or without ice) covering less than one-half of the ground.	less than 0.5 less than 0.2
	18	-3.4 26	736.1 28.98 981.39 981.39	757.9 29.84 1010.45 1010.45		72																	-7.8 18
	17	-2.5 28	735.1 28.94 980.05 980.05	756.9 29.8 1009.12 1009.12		75																	-6.4 20
	16	-2.0 28	733.6 28.88 978.05 978.05	755.4 29.74 1007.12 1007.12	1.9 0.07 2.53 2.53	76	Wind blowing from the north-west	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								300-600 984-1968			24.0 14.9	-5.8 22
	15	-1.2 30	732.8 28.85 976.99 976.99	754.5 29.7 1005.92 1005.92		93																	-2.2 28
	14	-0.6 31	732.1 28.82 976.05 976.05	753.8 29.68 1004.98 1004.98		95																	-1.3 30
	13	0.2 32	731.7 28.81 975.52 975.52	753.4 29.66 1004.45 1004.45	0.5 0.02 0.67 0.67	100	Wind blowing from the west	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			100%. 10/10. 8 oktas	Continuous fall of snowflakes, slight at time of observation.	Rain and snow or other types of solid precipitation	Rain.	0.2 32	4.2 40	Stratocumulus other than Stratocumulus cumulogenitus.	100%. 10/10. 8 oktas	100-200 328-656			3.2 2.0	0.2 32	2.0 0.08	6			Compact or wet snow (with or without ice) covering less than one-half of the ground.	less than 0.5 less than 0.2
	12	1.2 34	731.5 28.8 975.25 975.25	753.1 29.65 1004.05 1004.05		100																	1.2 34
	11	1.4 35	731.5 28.8 975.25 975.25	753.2 29.65 1004.18 1004.18		100																	1.4 35
	10	1.8 35	731.2 28.79 974.85 974.85	752.8 29.64 1003.65 1003.65	0.3 0.01 0.4 0.4	100	Wind blowing from the south-southwest	Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft)			100%. 10/10. 8 oktas								100-200 328-656			11.0 6.8	1.8 35
	09	2.5 37	730.9 28.78 974.45 974.45	752.5 29.63 1003.25 1003.25		100																	2.5 37
	08	2.2 36	730.8 28.77 974.32 974.32	752.4 29.62 1003.12 1003.12		100																	2.2 36
	07	2.2 36	730.9 28.78 974.45 974.45	752.5 29.63 1003.25 1003.25	0.3 0.01 0.4 0.4	95	Wind blowing from the south-west	Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft)			100%. 10/10. 8 oktas	Rain or drizzle and snow, slight.	Rain.	Cloud covering more than 1/2 of the sky throughout the appropriate period.	0.8 33	2.2 36	Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.	100%. 10/10. 8 oktas	300-600 984-1968			19.0 11.8	1.4 35	Trace of precipitation Trace of precipitation	6			Compact or wet snow (with or without ice) covering less than one-half of the ground.	less than 0.5 less than 0.2
	06	3.2 38	730.7 28.77 974.19 974.19	752.3 29.62 1002.98 1002.98		79																	-0.1 32
	05	3.5 38	730.6 28.76 974.05 974.05	752.2 29.61 1002.85 1002.85		62																	-3.2 26