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 September 9, Tuesday	11	21.7 71	761.2 29.97 1014.85 1014.85	769.3 30.29 1025.65 1025.65	0.0 0 0 0	49	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								2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	10.6 51
	08	12.8 55	761.2 29.97 1014.85 1014.85	769.5 30.3 1025.92 1025.92	1.1 0.04 1.47 1.47	80	Wind blowing from the north-west	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			20–30%. 2/10–3/10. 2 oktas				7.8 46	24.4 76			2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	9.4 49
	05	8.9 48	760.1 29.93 1013.38 1013.38	768.4 30.25 1024.45 1024.45	-0.3 -0.01 -0.4 -0.4	89	Calm, no wind	Calm			no clouds no clouds no clouds											16.0 9.9	7.2 45
	02	12.2 54	760.4 29.94 1013.78 1013.78	768.6 30.26 1024.72 1024.72	0.0 0 0 0	75	Wind blowing from the north-northwest	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			no clouds no clouds no clouds				8.3 47	18.9 66						16.0 9.9	7.8 46
September 8, Monday	23	12.8 55	760.4 29.94 1013.78 1013.78	768.8 30.27 1024.98 1024.98	0.5 0.02 0.67 0.67	64	Calm, no wind	Calm			no clouds no clouds no clouds											16.0 9.9	6.1 43
	20	19.4 67	759.9 29.92 1013.12 1013.12	768.2 30.24 1024.18 1024.18	0.2 0.01 0.27 0.27	39	Wind blowing from the north-east	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			no clouds no clouds no clouds				8.3 47	24.4 76						16.0 9.9	5.0 41
	17	23.9 75	759.7 29.91 1012.85 1012.85	767.9 30.23 1023.78 1023.78	-1.2 -0.05 -1.6 -1.6	26	Wind blowing from the east-southeast	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	3.3 38
	14	23.3 74	760.9 29.96 1014.45 1014.45	769.3 30.29 1025.65 1025.65	-0.8 -0.03 -1.07 -1.07	31	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				12.8 55	23.9 75			1500-2000 4921-6562			16.0 9.9	5.0 41
	11	20.6 69	761.7 29.99 1015.52 1015.52	770.1 30.32 1026.72 1026.72	0.5 0.02 0.67 0.67	41	Wind blowing from the north-northeast	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	6.7 44