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 December 5, Friday | 22 | -1.7 29 | 753.9 29.68 1005.12 1005.12 | 762.6 30.02 1016.72 1016.72 | -0.7 -0.03 -0.93 -0.93 | 96 | Wind blowing from the north-east | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 100%. 10/10. 8 oktas | Mist. | 100-200 328-656 | 6.0 3.7 | -2.2 28 | ||||||||||||||||
19 | -1.7 29 | 754.6 29.71 1006.05 1006.05 | 763.3 30.05 1017.65 1017.65 | -0.8 -0.03 -1.07 -1.07 | 89 | Wind blowing from the north-east | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 100%. 10/10. 8 oktas | -2.8 27 | -1.1 30 | 300-600 984-1968 | 12.0 7.5 | -3.3 26 | Trace of precipitation Trace of precipitation | 6 | ||||||||||||||
16 | -1.1 30 | 755.4 29.74 1007.12 1007.12 | 764.0 30.08 1018.58 1018.58 | -1.5 -0.06 -2 -2 | 82 | Wind blowing from the east | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 100%. 10/10. 8 oktas | 300-600 984-1968 | 16.0 9.9 | -3.9 25 | Trace of precipitation Trace of precipitation | 3 | ||||||||||||||||
13 | -1.7 29 | 756.9 29.8 1009.12 1009.12 | 765.4 30.13 1020.45 1020.45 | -2.8 -0.11 -3.73 -3.73 | 85 | Wind blowing from the north-east | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 100%. 10/10. 8 oktas | Mist. | -2.8 27 | -0.6 31 | 300-600 984-1968 | 4.8 3.0 | -3.9 25 | 1.0 0.04 | 6 | |||||||||||||
10 | -2.2 28 | 759.7 29.91 1012.85 1012.85 | 768.4 30.25 1024.45 1024.45 | -0.7 -0.03 -0.93 -0.93 | 85 | Calm, no wind | Calm | 100%. 10/10. 8 oktas | Continuous fall of snowflakes, slight at time of observation. | 200-300 656-984 | 2.4 1.5 | -4.4 24 | 0.8 0.03 | 3 | |||||||||||||||
07 | -2.8 27 | 760.4 29.94 1013.78 1013.78 | 769.0 30.28 1025.25 1025.25 | -0.2 -0.01 -0.27 -0.27 | 81 | Wind blowing from the east-southeast | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 100%. 10/10. 8 oktas | Continuous fall of snowflakes, slight at time of observation. | -2.8 27 | 6.1 43 | 600-1000 1968-3281 | 3.2 2.0 | -5.6 22 | Trace of precipitation Trace of precipitation | 6 | |||||||||||||
04 | -1.1 30 | 760.6 29.94 1014.05 1014.05 | 769.2 30.28 1025.52 1025.52 | 0.7 0.03 0.93 0.93 | 43 | Wind blowing from the east | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 100%. 10/10. 8 oktas | 1500-2000 4921-6562 | 16.0 9.9 | -12.2 10 | ||||||||||||||||||
01 | -0.6 31 | 759.9 29.92 1013.12 1013.12 | 768.6 30.26 1024.72 1024.72 | -0.7 -0.03 -0.93 -0.93 | 43 | Wind blowing from the north-northeast | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 100%. 10/10. 8 oktas | -6.1 21 | 1.7 35 | 2000-2500 6562-8202 | 16.0 9.9 | -11.7 11 | ||||||||||||||||