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 December 9, Tuesday | 22 | -0.6 31 | 759.8 29.91 1012.98 1012.98 | 761.3 29.97 1014.98 1014.98 | -2.3 -0.09 -3.07 -3.07 | 76 | 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 | 300-600 984-1968 | 16.0 9.9 | -4.4 24 | |||||||||||||||||
19 | 0.0 32 | 762.1 30 1016.05 1016.05 | 763.7 30.07 1018.18 1018.18 | -1.0 -0.04 -1.33 -1.33 | 59 | Wind blowing from the south-southwest | 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 | -6.7 20 | 0.6 33 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | -7.2 19 | |||||||||||||||
16 | 0.0 32 | 763.1 30.04 1017.38 1017.38 | 764.7 30.11 1019.52 1019.52 | -1.8 -0.07 -2.4 -2.4 | 47 | 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 | 1000-1500 3281-4921 | 16.0 9.9 | -10.0 14 | ||||||||||||||||||
13 | -1.1 30 | 764.9 30.11 1019.78 1019.78 | 766.3 30.17 1021.65 1021.65 | -3.3 -0.13 -4.4 -4.4 | 43 | 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 | -6.7 20 | -1.1 30 | 1000-1500 3281-4921 | 16.0 9.9 | -12.2 10 | ||||||||||||||||
10 | -3.9 25 | 768.2 30.24 1024.18 1024.18 | 769.6 30.3 1026.05 1026.05 | 0.0 0 0 0 | 44 | Calm, no wind | Calm | 70 – 80%. 7/10 – 8/10. 6 oktas | 1000-1500 3281-4921 | 16.0 9.9 | -14.4 6 | ||||||||||||||||||
07 | -6.1 21 | 768.2 30.24 1024.18 1024.18 | 769.6 30.3 1026.05 1026.05 | 0.5 0.02 0.67 0.67 | 43 | Wind blowing from the north | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 20–30%. 2/10–3/10. 2 oktas | -6.7 20 | 2.8 37 | 1000-1500 3281-4921 | 16.0 9.9 | -16.7 2 | ||||||||||||||||
04 | -6.1 21 | 767.7 30.22 1023.52 1023.52 | 769.3 30.29 1025.65 1025.65 | -0.2 -0.01 -0.27 -0.27 | 45 | Wind blowing from the north | 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 | -16.1 3 | ||||||||||||||||||
01 | -3.9 25 | 767.9 30.23 1023.78 1023.78 | 769.5 30.3 1025.92 1025.92 | -0.3 -0.01 -0.4 -0.4 | 37 | Wind blowing from the north | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | -3.9 25 | 2.8 37 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | -16.7 2 | ||||||||||||||||
| December 8, Monday | 22 | -2.2 28 | 768.2 30.24 1024.18 1024.18 | 769.8 30.31 1026.32 1026.32 | 0.0 0 0 0 | 31 | Wind blowing from the north | 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 | -17.2 1 | |||||||||||||||||