Weather archive in Washington / Ronald Reagan (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 September 7, Sunday | 05 | 17.2 63 | 760.6 29.94 1014.05 1014.05 | 762.2 30.01 1016.18 1016.18 | -0.8 -0.03 -1.07 -1.07 | 84 | Wind blowing from the north-west | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 100%. 10/10. 8 oktas | 1000-1500 3281-4921 | 16.0 9.9 | 14.4 58 | 4.0 0.16 | 3 | |||||||||||||||
02 | 17.8 64 | 761.4 29.98 1015.12 1015.12 | 762.9 30.04 1017.12 1017.12 | 0.8 0.03 1.07 1.07 | 93 | Wind blowing from the north-northwest | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 100%. 10/10. 8 oktas | Rain, not freezing, continuous, heavy at time of observation. | 17.8 64 | 24.4 76 | 300-600 984-1968 | 4.0 2.5 | 16.7 62 | 19.0 0.75 | 6 | |||||||||||||
| September 6, Saturday | 23 | 22.2 72 | 760.6 29.94 1014.05 1014.05 | 762.2 30.01 1016.18 1016.18 | 1.3 0.05 1.73 1.73 | 68 | Wind blowing from the north-northwest | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 100%. 10/10. 8 oktas | 1500-2000 4921-6562 | 16.0 9.9 | 16.1 61 | 0.3 0.01 | 3 | |||||||||||||||
20 | 23.9 75 | 759.3 29.89 1012.32 1012.32 | 761.0 29.96 1014.58 1014.58 | 2.0 0.08 2.67 2.67 | 76 | Wind blowing from the east | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 100%. 10/10. 8 oktas | Rain, not freezing, continuous, slight at time of observation. | 22.2 72 | 33.9 93 | 2000-2500 6562-8202 | 16.0 9.9 | 19.4 67 | 26.0 1.02 | 6 | |||||||||||||
17 | 26.1 79 | 757.3 29.81 1009.65 1009.65 | 758.9 29.88 1011.78 1011.78 | -0.8 -0.03 -1.07 -1.07 | 72 | Wind blowing from the north-northwest | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 13 m/s 47 km/h 29 miles/hour 25 knots 6 Bft | 70 – 80%. 7/10 – 8/10. 6 oktas | 2000-2500 6562-8202 | 16.0 9.9 | 20.6 69 | 6.0 0.24 | 3 | |||||||||||||||
14 | 31.1 88 | 758.1 29.85 1010.72 1010.72 | 759.7 29.91 1012.85 1012.85 | -0.7 -0.03 -0.93 -0.93 | 55 | Wind blowing from the south | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 50%. 5/10. 4 oktas | 23.3 74 | 31.7 89 | 1000-1500 3281-4921 | 16.0 9.9 | 21.1 70 | ||||||||||||||||
11 | 28.3 83 | 758.8 29.87 1011.65 1011.65 | 760.6 29.94 1014.05 1014.05 | -0.3 -0.01 -0.4 -0.4 | 65 | Wind blowing from the south-southwest | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | 1000-1500 3281-4921 | 14.0 8.7 | 21.1 70 | ||||||||||||||||||
08 | 23.3 74 | 759.1 29.89 1012.05 1012.05 | 760.6 29.94 1014.05 1014.05 | 0.6 0.02 0.8 0.8 | 85 | Wind blowing from the south | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | 22.8 73 | 31.7 89 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | 20.6 69 | ||||||||||||||||
05 | 23.3 74 | 758.5 29.86 1011.25 1011.25 | 760.0 29.92 1013.25 1013.25 | -0.3 -0.01 -0.4 -0.4 | 85 | Wind blowing from the south | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 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 | 20.6 69 | ||||||||||||||||||