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 October 20, Monday	23	12.8 55	760.9 29.96 1014.45 1014.45	762.6 30.02 1016.72 1016.72	0.8 0.03 1.07 1.07	55	Calm, no wind	Calm			no clouds no clouds no clouds											16.0 9.9	3.9 39
	20	16.1 61	760.1 29.93 1013.38 1013.38	761.8 29.99 1015.65 1015.65	0.5 0.02 0.67 0.67	39	Wind blowing from the west-northwest	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			no clouds no clouds no clouds				11.7 53	20.0 68						16.0 9.9	2.2 36
	17	19.4 67	759.6 29.91 1012.72 1012.72	761.0 29.96 1014.58 1014.58	0.0 0 0 0	31	Wind blowing from the west-northwest	Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft)	11 m/s 40 km/h 25 miles/hour 21 mile/hour 6 Bft		50%. 5/10. 4 oktas								2000-2500 6562-8202			16.0 9.9	1.7 35
	14	18.9 66	759.6 29.91 1012.72 1012.72	761.2 29.97 1014.85 1014.85	0.3 0.01 0.4 0.4	32	Wind blowing from the west	Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft)	15 m/s 54 km/h 34 mph 29 knots 7 Bft		50%. 5/10. 4 oktas				11.7 53	19.4 67			2000-2500 6562-8202			16.0 9.9	1.7 35
	11	16.7 62	759.3 29.89 1012.32 1012.32	760.9 29.96 1014.45 1014.45	1.2 0.05 1.6 1.6	44	Wind blowing from the west	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)	10 m/s 36 km/h 22 mph 19 knots 5 Bft		20–30%. 2/10–3/10. 2 oktas								1000-1500 3281-4921			16.0 9.9	4.4 40
	08	12.2 54	758.1 29.85 1010.72 1010.72	759.7 29.91 1012.85 1012.85	2.0 0.08 2.67 2.67	69	Wind blowing from the south-west	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas				11.7 53	24.4 76			2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	6.7 44	Trace of precipitation Trace of precipitation	6
	05	12.8 55	756.1 29.77 1008.05 1008.05	757.5 29.82 1009.92 1009.92	0.9 0.04 1.2 1.2	90	Wind blowing from the west-southwest	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas								1500-2000 4921-6562			16.0 9.9	11.1 52	Trace of precipitation Trace of precipitation	3
	02	15.0 59	755.2 29.73 1006.85 1006.85	756.7 29.79 1008.85 1008.85	1.2 0.05 1.6 1.6	78	Wind blowing from the west-southwest	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			100%. 10/10. 8 oktas				13.9 57	22.2 72			1000-1500 3281-4921			16.0 9.9	11.1 52	4.0 0.16	6
October 19, Sunday	23	15.6 60	754.0 29.69 1005.25 1005.25	755.5 29.74 1007.25 1007.25	1.0 0.04 1.33 1.33	86	Wind blowing from the west	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			100%. 10/10. 8 oktas	Rain, not freezing, continuous, slight at time of observation.							1000-1500 3281-4921			16.0 9.9	13.3 56	2.0 0.08	3