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 January 4, Saturday | 04 | -1.1 30 | 760.9 29.96 1014.45 1014.45 | 762.5 30.02 1016.58 1016.58 | 1.1 0.04 1.47 1.47 | 49 | Wind blowing from the west-northwest | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 20–30%. 2/10–3/10. 2 oktas | 1000-1500 3281-4921 | 16.0 9.9 | -10.6 13 | |||||||||||||||||
01 | -0.6 31 | 759.8 29.91 1012.98 1012.98 | 761.3 29.97 1014.98 1014.98 | 0.0 0 0 0 | 47 | Wind blowing from the west-northwest | Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft) | 19 m/s 68 km/h 43 mph 37 knots 8 Bft | 20–30%. 2/10–3/10. 2 oktas | -0.6 31 | 2.8 37 | 1500-2000 4921-6562 | 16.0 9.9 | -10.6 13 | |||||||||||||||
| January 3, Friday | 22 | 0.0 32 | 759.8 29.91 1012.98 1012.98 | 761.4 29.98 1015.12 1015.12 | 1.3 0.05 1.73 1.73 | 50 | Wind blowing from the west | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 12 m/s 43 km/h 27 miles/hour 23 knots 6 Bft | 50%. 5/10. 4 oktas | 1000-1500 3281-4921 | 16.0 9.9 | -9.4 15 | ||||||||||||||||
19 | 2.2 36 | 758.5 29.86 1011.25 1011.25 | 760.1 29.93 1013.38 1013.38 | 1.7 0.07 2.27 2.27 | 50 | Wind blowing from the west-northwest | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 10 m/s 36 km/h 22 mph 19 knots 5 Bft | 50%. 5/10. 4 oktas | 0.0 32 | 7.8 46 | 600-1000 1968-3281 | 16.0 9.9 | -7.2 19 | 1.0 0.04 | 6 | |||||||||||||
16 | 2.2 36 | 756.8 29.8 1008.98 1008.98 | 758.5 29.86 1011.25 1011.25 | -0.2 -0.01 -0.27 -0.27 | 79 | Wind blowing from the west-northwest | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 12 m/s 43 km/h 27 miles/hour 23 knots 6 Bft | 100%. 10/10. 8 oktas | Continuous fall of snowflakes, slight at time of observation. | 200-300 656-984 | 6.0 3.7 | -1.1 30 | 0.5 0.02 | 3 | ||||||||||||||
13 | 5.0 41 | 757.0 29.8 1009.25 1009.25 | 758.6 29.87 1011.38 1011.38 | -4.1 -0.16 -5.47 -5.47 | 51 | Wind blowing from the south-west | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 100%. 10/10. 8 oktas | 0.0 32 | 5.0 41 | 1500-2000 4921-6562 | 16.0 9.9 | -4.4 24 | ||||||||||||||||
10 | 3.3 38 | 761.1 29.96 1014.72 1014.72 | 762.7 30.03 1016.85 1016.85 | -2.0 -0.08 -2.67 -2.67 | 57 | Wind blowing from the south | 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 | -4.4 24 | ||||||||||||||||||
07 | 0.6 33 | 763.1 30.04 1017.38 1017.38 | 764.6 30.1 1019.38 1019.38 | -0.5 -0.02 -0.67 -0.67 | 56 | Wind blowing from the south-southwest | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 100%. 10/10. 8 oktas | 0.0 32 | 7.2 45 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | -7.2 19 | ||||||||||||||||
04 | 1.7 35 | 763.6 30.06 1018.05 1018.05 | 765.1 30.12 1020.05 1020.05 | -0.3 -0.01 -0.4 -0.4 | 48 | Wind blowing from the west-northwest | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 50%. 5/10. 4 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | -8.3 17 | ||||||||||||||||||