Weather archive in Washington / Dulles (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 January 31, Friday | 16 | 10.0 50 | 747.6 29.43 996.72 996.72 | 756.0 29.76 1007.92 1007.92 | -1.7 -0.07 -2.27 -2.27 | 86 | Wind blowing from the south-southwest | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 100%. 10/10. 8 oktas | Rain, not freezing, continuous, slight at time of observation. | 200-300 656-984 | 16.0 9.9 | 7.8 46 | 3.0 0.12 | 3 | ||||||||||||||
13 | 9.4 49 | 749.3 29.5 998.98 998.98 | 757.7 29.83 1010.18 1010.18 | -2.6 -0.1 -3.47 -3.47 | 90 | Wind blowing from the south-southwest | 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 | Rain, not freezing, continuous, slight at time of observation. | 6.7 44 | 9.4 49 | 200-300 656-984 | 4.8 3.0 | 7.8 46 | 10.0 0.39 | 6 | ||||||||||||
10 | 7.2 45 | 751.9 29.6 1002.45 1002.45 | 760.3 29.93 1013.65 1013.65 | -0.4 -0.02 -0.53 -0.53 | 93 | Wind blowing from the south-southwest | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 100%. 10/10. 8 oktas | Rain, not freezing, continuous, slight at time of observation. | 300-600 984-1968 | 6.0 3.7 | 6.1 43 | 2.0 0.08 | 3 | |||||||||||||||
07 | 6.7 44 | 752.3 29.62 1002.98 1002.98 | 760.7 29.95 1014.18 1014.18 | -1.8 -0.07 -2.4 -2.4 | 79 | Wind blowing from the south | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 100%. 10/10. 8 oktas | 5.0 41 | 12.2 54 | 1000-1500 3281-4921 | 16.0 9.9 | 3.3 38 | 1.0 0.04 | 6 | ||||||||||||||
04 | 5.0 41 | 754.1 29.69 1005.38 1005.38 | 762.5 30.02 1016.58 1016.58 | -2.0 -0.08 -2.67 -2.67 | 86 | Wind blowing from the south | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 100%. 10/10. 8 oktas | Rain, not freezing, continuous, slight at time of observation. | 1500-2000 4921-6562 | 16.0 9.9 | 2.8 37 | 1.0 0.04 | 3 | |||||||||||||||
01 | 6.1 43 | 756.1 29.77 1008.05 1008.05 | 764.5 30.1 1019.25 1019.25 | -1.3 -0.05 -1.73 -1.73 | 76 | Wind blowing from the south | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 100%. 10/10. 8 oktas | Rain, not freezing, slight. | -2.1 28 | 8.3 47 | 2000-2500 6562-8202 | 16.0 9.9 | 2.2 36 | 0.8 0.03 | 6 | |||||||||||||
| January 30, Thursday | 22 | 7.2 45 | 757.4 29.82 1009.78 1009.78 | 765.9 30.15 1021.12 1021.12 | -0.8 -0.03 -1.07 -1.07 | 48 | Wind blowing from the south | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 100%. 10/10. 8 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | -3.3 26 | |||||||||||||||||
19 | 7.8 46 | 758.2 29.85 1010.85 1010.85 | 766.6 30.18 1022.05 1022.05 | 0.6 0.02 0.8 0.8 | 38 | 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 | -2.1 28 | 12.2 54 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | -5.6 22 | ||||||||||||||||
16 | 11.7 53 | 757.6 29.83 1010.05 1010.05 | 766.1 30.16 1021.38 1021.38 | -1.0 -0.04 -1.33 -1.33 | 27 | Wind blowing from the south-southwest | 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 | -6.7 20 | ||||||||||||||||||