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 February 22, Saturday | 21 | -0.6 31 | 747.6 29.43 996.72 996.72 | 766.2 30.17 1021.52 1021.52 | 0.0 0 0 0 | 61 | Wind blowing from the south-west | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 20–30%. 2/10–3/10. 2 oktas | 1000-1500 3281-4921 | 16.0 9.9 | -7.2 19 | |||||||||||||||||
18 | 0.6 33 | 747.6 29.43 996.72 996.72 | 766.3 30.17 1021.65 1021.65 | 0.3 0.01 0.4 0.4 | 52 | Wind blowing from the south-west | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | -8.9 16 | 1.1 34 | 1000-1500 3281-4921 | 16.0 9.9 | -8.3 17 | ||||||||||||||||
15 | 0.0 32 | 747.3 29.42 996.32 996.32 | 766.0 30.16 1021.25 1021.25 | -1.5 -0.06 -2 -2 | 41 | Wind blowing from the west-southwest | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 13 m/s 47 km/h 29 miles/hour 25 knots 6 Bft | 50%. 5/10. 4 oktas | 2000-2500 6562-8202 | 16.0 9.9 | -11.7 11 | |||||||||||||||||
12 | -2.2 28 | 748.8 29.48 998.32 998.32 | 767.5 30.22 1023.25 1023.25 | -1.8 -0.07 -2.4 -2.4 | 47 | Wind blowing from the south-southwest | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 11 m/s 40 km/h 25 miles/hour 21 mile/hour 6 Bft | 70 – 80%. 7/10 – 8/10. 6 oktas | -9.4 15 | -2.2 28 | 2000-2500 6562-8202 | 16.0 9.9 | -12.2 10 | |||||||||||||||
09 | -6.7 20 | 750.6 29.55 1000.72 1000.72 | 769.4 30.29 1025.78 1025.78 | -1.0 -0.04 -1.33 -1.33 | 60 | Wind blowing from the south-west | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 11 m/s 40 km/h 25 miles/hour 21 mile/hour 6 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 | -13.3 8 | |||||||||||||||||
06 | -8.9 16 | 751.6 29.59 1002.05 1002.05 | 770.3 30.33 1026.98 1026.98 | -0.7 -0.03 -0.93 -0.93 | 71 | Wind blowing from the south-west | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | no clouds no clouds no clouds | -8.9 16 | -2.2 28 | 16.0 9.9 | -13.3 8 | |||||||||||||||||
03 | -7.8 18 | 752.3 29.62 1002.98 1002.98 | 771.1 30.36 1028.05 1028.05 | -1.2 -0.05 -1.6 -1.6 | 68 | Wind blowing from the south-west | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | no clouds no clouds no clouds | 16.0 9.9 | -12.8 9 | |||||||||||||||||||
00 | -6.7 20 | 753.5 29.67 1004.58 1004.58 | 772.5 30.41 1029.92 1029.92 | -1.1 -0.04 -1.47 -1.47 | 68 | Wind blowing from the south-west | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | no clouds no clouds no clouds | -11.7 11 | -4.4 24 | 16.0 9.9 | -11.7 11 | |||||||||||||||||
| February 21, Friday | 21 | -6.7 20 | 754.6 29.71 1006.05 1006.05 | 773.7 30.46 1031.52 1031.52 | -1.2 -0.05 -1.6 -1.6 | 68 | Wind blowing from the south-southwest | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | no clouds no clouds no clouds | 16.0 9.9 | -11.7 11 | ||||||||||||||||||