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 16, Sunday | 15 | -3.9 25 | 742.1 29.22 989.39 989.39 | 760.7 29.95 1014.18 1014.18 | 1.8 0.07 2.4 2.4 | 63 | Wind blowing from the west-northwest | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 12 m/s 43 km/h 27 miles/hour 23 knots 6 Bft | 70 – 80%. 7/10 – 8/10. 6 oktas | 600-1000 1968-3281 | 16.0 9.9 | -10.0 14 | ||||||||||||||||
12 | -3.3 26 | 740.3 29.15 986.99 986.99 | 758.9 29.88 1011.78 1011.78 | 1.2 0.05 1.6 1.6 | 71 | Wind blowing from the north-west | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 12 m/s 43 km/h 27 miles/hour 23 knots 6 Bft | 100%. 10/10. 8 oktas | -3.9 25 | -2.8 27 | 600-1000 1968-3281 | 16.0 9.9 | -7.8 18 | Trace of precipitation Trace of precipitation | 6 | |||||||||||||
09 | -3.9 25 | 739.1 29.1 985.39 985.39 | 757.4 29.82 1009.78 1009.78 | 1.7 0.07 2.27 2.27 | 72 | Wind blowing from the north-west | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 11 m/s 40 km/h 25 miles/hour 21 mile/hour 6 Bft | 70 – 80%. 7/10 – 8/10. 6 oktas | 600-1000 1968-3281 | 16.0 9.9 | -8.3 17 | Trace of precipitation Trace of precipitation | 3 | |||||||||||||||
06 | -3.3 26 | 737.4 29.03 983.12 983.12 | 755.8 29.76 1007.65 1007.65 | 0.3 0.01 0.4 0.4 | 81 | Wind blowing from the north-west | 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 | 100%. 10/10. 8 oktas | Continuous fall of snowflakes, slight at time of observation. | -3.3 26 | 0.6 33 | 300-600 984-1968 | 9.0 5.6 | -6.1 21 | Trace of precipitation Trace of precipitation | 6 | ||||||||||||
03 | -2.8 27 | 737.1 29.02 982.72 982.72 | 755.5 29.74 1007.25 1007.25 | -0.7 -0.03 -0.93 -0.93 | 78 | Wind blowing from the north-northwest | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 100%. 10/10. 8 oktas | Continuous fall of snowflakes, slight at time of observation. | 300-600 984-1968 | 16.0 9.9 | -6.1 21 | Trace of precipitation Trace of precipitation | 3 | |||||||||||||||
00 | -2.8 27 | 737.8 29.05 983.65 983.65 | 756.2 29.77 1008.18 1008.18 | -1.8 -0.07 -2.4 -2.4 | 81 | Wind blowing from the north-northwest | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 10 m/s 36 km/h 22 mph 19 knots 5 Bft | 100%. 10/10. 8 oktas | Continuous fall of snowflakes, slight at time of observation. | -3.3 26 | 0.0 32 | 300-600 984-1968 | 14.0 8.7 | -5.6 22 | Trace of precipitation Trace of precipitation | 6 | ||||||||||||
| February 15, Saturday | 21 | -0.6 31 | 739.6 29.12 986.05 986.05 | 758.0 29.84 1010.58 1010.58 | -0.3 -0.01 -0.4 -0.4 | 79 | Wind blowing from the north-northeast | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 100%. 10/10. 8 oktas | 300-600 984-1968 | 16.0 9.9 | -3.9 25 | |||||||||||||||||
18 | 0.0 32 | 739.9 29.13 986.45 986.45 | 758.2 29.85 1010.85 1010.85 | -0.2 -0.01 -0.27 -0.27 | 79 | Wind blowing from the north-northeast | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 100%. 10/10. 8 oktas | -3.3 26 | 0.6 33 | 300-600 984-1968 | 11.0 6.8 | -3.3 26 | 0.5 0.02 | 6 | ||||||||||||||
15 | 0.0 32 | 740.1 29.14 986.72 986.72 | 758.4 29.86 1011.12 1011.12 | -0.5 -0.02 -0.67 -0.67 | 79 | Wind blowing from the north-northwest | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 100%. 10/10. 8 oktas | 300-600 984-1968 | 14.0 8.7 | -3.3 26 | 0.5 0.02 | 3 | ||||||||||||||||