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 8, Monday | 17 | 23.9 75 | 766.2 30.17 1021.52 1021.52 | 767.8 30.23 1023.65 1023.65 | -1.3 -0.05 -1.73 -1.73 | 31 | Wind blowing from the north-east | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 20–30%. 2/10–3/10. 2 oktas | 1500-2000 4921-6562 | 16.0 9.9 | 5.6 42 | |||||||||||||||||
14 | 22.8 73 | 767.5 30.22 1023.25 1023.25 | 769.1 30.28 1025.38 1025.38 | -0.9 -0.04 -1.2 -1.2 | 35 | Wind blowing from the east-northeast | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 20–30%. 2/10–3/10. 2 oktas | 16.1 61 | 23.9 75 | 1500-2000 4921-6562 | 16.0 9.9 | 6.7 44 | ||||||||||||||||
11 | 21.1 70 | 768.4 30.25 1024.45 1024.45 | 769.9 30.31 1026.45 1026.45 | 0.9 0.04 1.2 1.2 | 44 | Wind blowing from the east-northeast | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 20–30%. 2/10–3/10. 2 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | 8.3 47 | ||||||||||||||||||
08 | 16.1 61 | 767.5 30.22 1023.25 1023.25 | 769.1 30.28 1025.38 1025.38 | 1.3 0.05 1.73 1.73 | 58 | Wind blowing from the north-northwest | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 20–30%. 2/10–3/10. 2 oktas | 13.9 57 | 25.6 78 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | 7.8 46 | ||||||||||||||||
05 | 15.0 59 | 766.2 30.17 1021.52 1021.52 | 767.8 30.23 1023.65 1023.65 | 0.3 0.01 0.4 0.4 | 60 | Wind blowing from the north | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | no clouds no clouds no clouds | 16.0 9.9 | 7.2 45 | |||||||||||||||||||
02 | 15.6 60 | 765.9 30.15 1021.12 1021.12 | 767.5 30.22 1023.25 1023.25 | 0.8 0.03 1.07 1.07 | 62 | Wind blowing from the north | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 20–30%. 2/10–3/10. 2 oktas | 15.6 60 | 21.7 71 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | 8.3 47 | ||||||||||||||||
| September 7, Sunday | 23 | 18.3 65 | 765.1 30.12 1020.05 1020.05 | 766.6 30.18 1022.05 1022.05 | 2.0 0.08 2.67 2.67 | 52 | Wind blowing from the north | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 20–30%. 2/10–3/10. 2 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | 8.3 47 | |||||||||||||||||
20 | 21.7 71 | 763.1 30.04 1017.38 1017.38 | 764.8 30.11 1019.65 1019.65 | 1.3 0.05 1.73 1.73 | 38 | Wind blowing from the north-northwest | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 20–30%. 2/10–3/10. 2 oktas | 16.7 62 | 25.6 78 | 2000-2500 6562-8202 | 16.0 9.9 | 6.7 44 | ||||||||||||||||
17 | 23.9 75 | 761.8 29.99 1015.65 1015.65 | 763.5 30.06 1017.92 1017.92 | -0.3 -0.01 -0.4 -0.4 | 36 | Wind blowing from the north-west | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 50%. 5/10. 4 oktas | 2000-2500 6562-8202 | 16.0 9.9 | 7.8 46 | ||||||||||||||||||