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 | |
| 2024 December 21, Saturday | 07 | 1.7 35 | 756.4 29.78 1008.45 1008.45 | 764.9 30.11 1019.78 1019.78 | 2.5 0.1 3.33 3.33 | 57 | Wind blowing from the north-west | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 50%. 5/10. 4 oktas | -1.1 30 | 4.4 40 | 1000-1500 3281-4921 | 16.0 9.9 | -6.1 21 | |||||||||||||||
04 | 2.8 37 | 753.9 29.68 1005.12 1005.12 | 762.4 30.02 1016.45 1016.45 | 1.6 0.06 2.13 2.13 | 57 | Wind blowing from the north-west | Fresh breeze (10 m/s) (36 km/h) (22 mph) (19 knots) (5 Bft) | 14 m/s 50 km/h 31 mile/hour 27 knots 7 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 | -5.0 23 | |||||||||||||||||
01 | 1.7 35 | 752.3 29.62 1002.98 1002.98 | 760.9 29.96 1014.45 1014.45 | -0.8 -0.03 -1.07 -1.07 | 78 | Wind blowing from the north-west | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | 1.1 34 | 3.3 38 | 1000-1500 3281-4921 | 16.0 9.9 | -1.7 29 | ||||||||||||||||
| December 20, Friday | 22 | 1.7 35 | 753.1 29.65 1004.05 1004.05 | 761.5 29.98 1015.25 1015.25 | 0.5 0.02 0.67 0.67 | 85 | Wind blowing from the north-west | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | 1500-2000 4921-6562 | 16.0 9.9 | -0.6 31 | |||||||||||||||||
19 | 3.3 38 | 752.6 29.63 1003.38 1003.38 | 761.0 29.96 1014.58 1014.58 | 1.3 0.05 1.73 1.73 | 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 | 2.8 37 | 4.4 40 | 2000-2500 6562-8202 | 16.0 9.9 | 0.0 32 | ||||||||||||||||
16 | 3.9 39 | 751.3 29.58 1001.65 1001.65 | 759.7 29.91 1012.85 1012.85 | -0.6 -0.02 -0.8 -0.8 | 79 | Wind blowing from the north | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | 1000-1500 3281-4921 | 16.0 9.9 | 0.6 33 | ||||||||||||||||||
13 | 3.3 38 | 751.9 29.6 1002.45 1002.45 | 760.3 29.93 1013.65 1013.65 | -2.4 -0.09 -3.2 -3.2 | 79 | Wind blowing from the north-northeast | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 100%. 10/10. 8 oktas | 3.3 38 | 600-1000 1968-3281 | 16.0 9.9 | 0.0 32 | Trace of precipitation Trace of precipitation | 6 | |||||||||||||||
10 | 2.8 37 | 754.3 29.7 1005.65 1005.65 | 763.0 30.04 1017.25 1017.25 | -1.3 -0.05 -1.73 -1.73 | 73 | Wind blowing from the north-east | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 16.0 9.9 | -1.7 29 | Trace of precipitation Trace of precipitation | 3 | ||||||||||||||||
07 | 2.8 37 | 755.6 29.75 1007.38 1007.38 | 764.1 30.08 1018.72 1018.72 | -1.3 -0.05 -1.73 -1.73 | 70 | Wind blowing from the east-northeast | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 100%. 10/10. 8 oktas | 1.1 34 | 1000-1500 3281-4921 | 16.0 9.9 | -2.2 28 | |||||||||||||||||