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
2026 September 13, Sunday	17	29.4 85	756.5 29.78 1008.58 1008.58	758.2 29.85 1010.85 1010.85	-1.1 -0.04 -1.47 -1.47	72	Wind blowing from the south	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			50%. 5/10. 4 oktas								1000-1500 3281-4921			16.0 9.9	23.9 75	Trace of precipitation Trace of precipitation	3
	14	28.9 84	757.6 29.83 1010.05 1010.05	759.1 29.89 1012.05 1012.05	-1.2 -0.05 -1.6 -1.6	70	Wind blowing from the south-southeast	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas				23.9 75	30.0 86			1000-1500 3281-4921			16.0 9.9	22.8 73	Trace of precipitation Trace of precipitation	6
	11	26.7 80	758.8 29.87 1011.65 1011.65	760.4 29.94 1013.78 1013.78	0.5 0.02 0.67 0.67	79		Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas								600-1000 1968-3281			16.0 9.9	22.8 73
	08	23.9 75	758.3 29.85 1010.98 1010.98	760.0 29.92 1013.25 1013.25	0.2 0.01 0.27 0.27	90	Wind blowing from the south-southwest	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 8 oktas				23.3 74	27.2 81			300-600 984-1968			16.0 9.9	22.2 72	0.5 0.02	6
	05	23.3 74	758.1 29.85 1010.72 1010.72	759.6 29.91 1012.72 1012.72	-1.5 -0.06 -2 -2	94	Wind blowing from the south-west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 8 oktas								200-300 656-984			16.0 9.9	22.2 72	0.5 0.02	3
	02	23.9 75	759.6 29.91 1012.72 1012.72	761.1 29.96 1014.72 1014.72	-0.7 -0.03 -0.93 -0.93	88	Wind blowing from the east	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 8 oktas				21.7 71	25.6 78			300-600 984-1968			16.0 9.9	21.7 71	Trace of precipitation Trace of precipitation	6
September 12, Saturday	23	24.4 76	760.3 29.93 1013.65 1013.65	761.9 30 1015.78 1015.78	0.0 0 0 0	85		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	21.7 71	Trace of precipitation Trace of precipitation	3
	20	26.1 79	760.3 29.93 1013.65 1013.65	762.1 30 1016.05 1016.05	0.5 0.02 0.67 0.67	79	Wind blowing from the east-southeast	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			100%. 10/10. 8 oktas				21.7 71	27.2 81			600-1000 1968-3281			16.0 9.9	22.2 72
	17	27.2 81	759.8 29.91 1012.98 1012.98	761.5 29.98 1015.25 1015.25	-2.0 -0.08 -2.67 -2.67	72	Wind blowing from the south-southeast	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			100%. 10/10. 8 oktas								600-1000 1968-3281			16.0 9.9	21.7 71