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 7, Monday | 01 | 4.4 40 | 741.4 29.19 988.45 988.45 | 759.5 29.9 1012.58 1012.58 | -1.9 -0.07 -2.53 -2.53 | 53 | Wind blowing from the south-southwest | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | no clouds no clouds no clouds | 1.7 35 | 7.2 45 | 16.0 9.9 | -4.4 24 | ||||||||||||||||
| April 6, Sunday | 22 | 5.0 41 | 743.3 29.26 990.99 990.99 | 761.4 29.98 1015.12 1015.12 | -0.5 -0.02 -0.67 -0.67 | 45 | Wind blowing from the south | 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 | -6.1 21 | ||||||||||||||||||
19 | 7.2 45 | 743.8 29.28 991.65 991.65 | 762.1 30 1016.05 1016.05 | -0.8 -0.03 -1.07 -1.07 | 37 | Wind blowing from the south-east | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 20–30%. 2/10–3/10. 2 oktas | 1.7 35 | 10.0 50 | 1500-2000 4921-6562 | 16.0 9.9 | -6.7 20 | ||||||||||||||||
16 | 9.4 49 | 744.6 29.31 992.72 992.72 | 762.8 30.03 1016.98 1016.98 | -1.9 -0.07 -2.53 -2.53 | 35 | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | 1500-2000 4921-6562 | 16.0 9.9 | -5.6 22 | |||||||||||||||||||
13 | 8.9 48 | 746.5 29.39 995.25 995.25 | 764.8 30.11 1019.65 1019.65 | -0.8 -0.03 -1.07 -1.07 | 34 | Wind blowing from the east | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 20–30%. 2/10–3/10. 2 oktas | 1.7 35 | 8.9 48 | 1500-2000 4921-6562 | 16.0 9.9 | -6.1 21 | ||||||||||||||||
10 | 6.7 44 | 747.3 29.42 996.32 996.32 | 765.7 30.15 1020.85 1020.85 | -0.3 -0.01 -0.4 -0.4 | 55 | Wind blowing from the north-east | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 50%. 5/10. 4 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | -1.7 29 | ||||||||||||||||||
07 | 1.7 35 | 747.6 29.43 996.72 996.72 | 765.9 30.15 1021.12 1021.12 | 1.1 0.04 1.47 1.47 | 54 | Wind blowing from the north-northwest | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | 1.7 35 | 12.2 54 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | -6.7 20 | ||||||||||||||||
04 | 2.8 37 | 746.5 29.39 995.25 995.25 | 764.9 30.11 1019.78 1019.78 | -0.3 -0.01 -0.4 -0.4 | 46 | Wind blowing from the north | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | -7.8 18 | ||||||||||||||||||
01 | 4.4 40 | 746.8 29.4 995.65 995.65 | 765.1 30.12 1020.05 1020.05 | 0.3 0.01 0.4 0.4 | 63 | Wind blowing from the north | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | 3.9 39 | 10.0 50 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | -2.2 28 | ||||||||||||||||