Weather archive in Chicago / O'Hare (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 28, Monday	04	11.7 53	747.1 29.41 996.05 996.05	765.1 30.12 1020.05 1020.05	-0.5 -0.02 -0.67 -0.67	59	Wind blowing from the south-southeast	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			no clouds no clouds no clouds											16.0 9.9	3.9 39
2025 April 28, Monday	01	12.8 55	747.6 29.43 996.72 996.72	765.5 30.14 1020.58 1020.58	-0.2 -0.01 -0.27 -0.27	57	Wind blowing from the south-southeast	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			20–30%. 2/10–3/10. 2 oktas				3.9 39	18.3 65			1500-2000 4921-6562			16.0 9.9	4.4 40
April 27, Sunday	22	13.3 56	747.8 29.44 996.98 996.98	766.0 30.16 1021.25 1021.25		53	Wind blowing from the east	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			no clouds no clouds no clouds											16.0 9.9	3.9 39
	16	20.6 69	748.6 29.47 998.05 998.05	766.6 30.18 1022.05 1022.05	-2.0 -0.08 -2.67 -2.67	33	Wind blowing from the south	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)	9 m/s 32 km/h 20 miles/hour 17 knots 5 Bft		20–30%. 2/10–3/10. 2 oktas								2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	3.9 39
	13	17.8 64	750.6 29.55 1000.72 1000.72	768.7 30.26 1024.85 1024.85	-1.2 -0.05 -1.6 -1.6	43	Wind blowing from the south	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			20–30%. 2/10–3/10. 2 oktas				5.0 41	17.8 64			2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	5.0 41
	10	12.8 55	751.8 29.6 1002.32 1002.32	769.9 30.31 1026.45 1026.45	-0.3 -0.01 -0.4 -0.4	59	Wind blowing from the south-east	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			50%. 5/10. 4 oktas								2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	5.0 41
	07	5.0 41	752.1 29.61 1002.72 1002.72	770.3 30.33 1026.98 1026.98	0.5 0.02 0.67 0.67	82	Calm, no wind	Calm			20–30%. 2/10–3/10. 2 oktas				3.9 39	12.2 54			2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	2.2 36
	04	5.0 41	751.6 29.59 1002.05 1002.05	769.7 30.3 1026.18 1026.18	-0.2 -0.01 -0.27 -0.27	73	Wind blowing from the north-northeast	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			20–30%. 2/10–3/10. 2 oktas								2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	0.6 33