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 | |
| 2024 December 21, Saturday | 07 | 2.8 37 | 762.9 30.04 1017.12 1017.12 | 764.5 30.1 1019.25 1019.25 | 2.3 0.09 3.07 3.07 | 54 | Wind blowing from the north-west | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 10 m/s 36 km/h 22 mph 19 knots 5 Bft | 20–30%. 2/10–3/10. 2 oktas | 2.2 36 | 4.4 40 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | -5.6 22 | ||||||||||||||
04 | 3.9 39 | 760.6 29.94 1014.05 1014.05 | 762.1 30 1016.05 1016.05 | 1.5 0.06 2 2 | 60 | Wind blowing from the north-west | 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 | -3.3 26 | ||||||||||||||||||
01 | 3.3 38 | 759.1 29.89 1012.05 1012.05 | 760.7 29.95 1014.18 1014.18 | -0.5 -0.02 -0.67 -0.67 | 70 | Wind blowing from the north-west | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 50%. 5/10. 4 oktas | 2.2 36 | 4.4 40 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | -1.7 29 | ||||||||||||||||
| December 20, Friday | 22 | 3.3 38 | 759.6 29.91 1012.72 1012.72 | 761.2 29.97 1014.85 1014.85 | 0.3 0.01 0.4 0.4 | 76 | Wind blowing from the north-northwest | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | 600-1000 1968-3281 | 16.0 9.9 | -0.6 31 | |||||||||||||||||
19 | 4.4 40 | 759.3 29.89 1012.32 1012.32 | 760.9 29.96 1014.45 1014.45 | 1.2 0.05 1.6 1.6 | 77 | Wind blowing from the north | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 100%. 10/10. 8 oktas | 3.9 39 | 4.4 40 | 300-600 984-1968 | 16.0 9.9 | 0.6 33 | Trace of precipitation Trace of precipitation | 6 | ||||||||||||||
16 | 4.4 40 | 758.1 29.85 1010.72 1010.72 | 759.7 29.91 1012.85 1012.85 | -0.4 -0.02 -0.53 -0.53 | 79 | Wind blowing from the north | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 100%. 10/10. 8 oktas | 300-600 984-1968 | 16.0 9.9 | 1.1 34 | Trace of precipitation Trace of precipitation | 3 | ||||||||||||||||
13 | 3.9 39 | 758.5 29.86 1011.25 1011.25 | 760.2 29.93 1013.52 1013.52 | -2.9 -0.11 -3.87 -3.87 | 82 | 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 | 3.9 39 | 4.4 40 | 300-600 984-1968 | 14.0 8.7 | 1.1 34 | 0.5 0.02 | 6 | ||||||||||||||
10 | 4.4 40 | 761.4 29.98 1015.12 1015.12 | 762.8 30.03 1016.98 1016.98 | -1.0 -0.04 -1.33 -1.33 | 68 | Wind blowing from the north-northeast | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 16.0 9.9 | -1.1 30 | Trace of precipitation Trace of precipitation | 3 | ||||||||||||||||
07 | 3.9 39 | 762.4 30.02 1016.45 1016.45 | 764.0 30.08 1018.58 1018.58 | -1.2 -0.05 -1.6 -1.6 | 67 | Wind blowing from the north-northeast | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 100%. 10/10. 8 oktas | 3.9 39 | 10.0 50 | 2000-2500 6562-8202 | 16.0 9.9 | -1.7 29 | ||||||||||||||||