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 March 29, Saturday	00	19.4 67	738.1 29.06 984.05 984.05	755.5 29.74 1007.25 1007.25	0.3 0.01 0.4 0.4	57	Wind blowing from the south-west	Fresh breeze (10 m/s) (36 km/h) (22 mph) (19 knots) (5 Bft)	15 m/s 54 km/h 34 mph 29 knots 7 Bft		50%. 5/10. 4 oktas					25.0 77			2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	10.6 51
March 28, Friday	21	21.7 71	737.8 29.05 983.65 983.65	755.3 29.74 1006.98 1006.98	0.9 0.04 1.2 1.2	51	Wind blowing from the south-west	Strong breeze (12 m/s) (43 km/h) (27 miles/hour) (23 knots) (6 Bft)	19 m/s 68 km/h 43 mph 37 knots 8 Bft		50%. 5/10. 4 oktas								2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	11.1 52
	18	25.0 77	736.9 29.01 982.45 982.45	754.5 29.7 1005.92 1005.92	-0.7 -0.03 -0.93 -0.93	37	Wind blowing from the south-west	Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft)	12 m/s 43 km/h 27 miles/hour 23 knots 6 Bft		20–30%. 2/10–3/10. 2 oktas				8.9 48	25.6 78			2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	9.4 49
	15	25.0 77	737.6 29.04 983.39 983.39	755.3 29.74 1006.98 1006.98	-1.7 -0.07 -2.27 -2.27	39	Wind blowing from the south-west	Strong breeze (11 m/s) (40 km/h) (25 miles/hour) (21 mile/hour) (6 Bft)	17 m/s 61 km/h 38 miles/hour 33 knots 7 Bft		50%. 5/10. 4 oktas								2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	10.0 50
	12	23.3 74	739.3 29.11 985.65 985.65	757.0 29.8 1009.25 1009.25	-2.3 -0.09 -3.07 -3.07	50	Wind blowing from the south-west	Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft)	15 m/s 54 km/h 34 mph 29 knots 7 Bft		70 – 80%. 7/10 – 8/10. 6 oktas				9.4 49	23.3 74			2000-2500 6562-8202			16.0 9.9	12.2 54
	09	15.0 59	741.6 29.2 988.72 988.72	759.4 29.9 1012.45 1012.45	0.5 0.02 0.67 0.67	69		Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas								600-1000 1968-3281			16.0 9.9	9.4 49
	06	10.0 50	741.1 29.18 988.05 988.05	759.1 29.89 1012.05 1012.05	-1.0 -0.04 -1.33 -1.33	86	Wind blowing from the north	Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft)			100%. 10/10. 8 oktas				8.9 48	12.2 54			1000-1500 3281-4921			16.0 9.9	7.8 46	0.5 0.02	6
	03	10.0 50	742.1 29.22 989.39 989.39	760.1 29.93 1013.38 1013.38	-2.7 -0.11 -3.6 -3.6	68	Wind blowing from the south-southeast	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			100%. 10/10. 8 oktas								2000-2500 6562-8202			16.0 9.9	4.4 40
	00	10.0 50	744.8 29.32 992.99 992.99	762.9 30.04 1017.12 1017.12	-0.8 -0.03 -1.07 -1.07	68	Wind blowing from the south-east	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			100%. 10/10. 8 oktas					11.1 52			600-1000 1968-3281			16.0 9.9	4.4 40