Weather archive in Lake Vyrnwy

To receive explanations, hover over the appropriate heading

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 7, Sunday	23	11.5 53	724.9 28.54 966.45 966.45	756.9 29.8 1009.12 1009.12	1.5 0.06 2 2	95	Wind blowing from the south-southwest	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			50%. 5/10. 4 oktas	Precipitation						50%. 5/10. 4 oktas	200-300 656-984			22.0 13.7	10.7 51
	22	12.0 54	724.5 28.52 965.92 965.92	756.4 29.78 1008.45 1008.45	2.0 0.08 2.67 2.67	94	Wind blowing from the south-west	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			100%. 10/10. 8 oktas	Drizzle (not freezing) or snow grains.			12.0 54	16.3 61		100%. 10/10. 8 oktas	200-300 656-984			23.0 14.3	11.0 52	6.0 0.24	12
	21	12.3 54	723.9 28.5 965.12 965.12	755.7 29.75 1007.52 1007.52	1.7 0.07 2.27 2.27	92	Wind blowing from the south-west	Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas							70 – 80%. 7/10 – 8/10. 6 oktas	200-300 656-984			30.0 18.6	11.0 52
	20	12.4 54	723.4 28.48 964.45 964.45	755.2 29.73 1006.85 1006.85	2.1 0.08 2.8 2.8	92	Wind blowing from the south-west	Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft)			40%. 4/10. 3 oktas							40%. 4/10. 3 oktas	200-300 656-984			26.0 16.2	11.2 52
	19	13.1 56	722.5 28.44 963.25 963.25	754.1 29.69 1005.38 1005.38	1.2 0.05 1.6 1.6	89	Wind blowing from the south-west	Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft)			10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	Rain (not freezing).			13.0 55	16.3 61		10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	300-600 984-1968			35.0 21.8	11.3 52	6.0 0.24	12
	18	13.3 56	722.2 28.43 962.85 962.85	753.8 29.68 1004.98 1004.98	0.6 0.02 0.8 0.8	97	Wind blowing from the south-west	Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft)			100%. 10/10. 8 oktas	Rain, not freezing, slight.						100%. 10/10. 8 oktas	100-200 328-656			8.0 5.0	12.8 55
	17	15.4 60	721.3 28.4 961.65 961.65	752.6 29.63 1003.38 1003.38	-0.3 -0.01 -0.4 -0.4	96	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	Rain, not freezing, slight.						100%. 10/10. 8 oktas	100-200 328-656			3.8 2.4	14.7 58
	16	15.1 59	721.3 28.4 961.65 961.65	752.8 29.64 1003.65 1003.65	-0.3 -0.01 -0.4 -0.4	97	Wind blowing from the south-east	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			100%. 10/10. 8 oktas	Rain (not freezing).						100%. 10/10. 8 oktas	Less than 50 Less than 50			9.0 5.6	14.6 58
	15	14.9 59	721.6 28.41 962.05 962.05	753.1 29.65 1004.05 1004.05	0.0 0 0 0	96	Wind blowing from the east-southeast	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 8 oktas	Rain, not freezing, heavy.						100%. 10/10. 8 oktas	50-100 164-328			3.5 2.2	14.3 58
	14	15.0 59	721.6 28.41 962.05 962.05	753.1 29.65 1004.05 1004.05	-0.6 -0.02 -0.8 -0.8	94	Wind blowing from the south-southeast	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			100%. 10/10. 8 oktas	Rain.						100%. 10/10. 8 oktas	100-200 328-656			6.0 3.7	14.0 57
	13	14.9 59	721.6 28.41 962.05 962.05	753.0 29.65 1003.92 1003.92	-0.6 -0.02 -0.8 -0.8	94	Wind blowing from the south-east	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			100%. 10/10. 8 oktas	Drizzle, not freezing, slight.						100%. 10/10. 8 oktas	50-100 164-328			22.0 13.7	13.9 57	0.2 0.01	6
	12	14.6 58	721.6 28.41 962.05 962.05	753.1 29.65 1004.05 1004.05	-0.3 -0.01 -0.4 -0.4	94	Wind blowing from the east-southeast	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			100%. 10/10. 8 oktas	Rain, not freezing, slight.						100%. 10/10. 8 oktas	100-200 328-656			18.0 11.2	13.6 56
	11	15.2 59	722.2 28.43 962.85 962.85	753.6 29.67 1004.72 1004.72	0.3 0.01 0.4 0.4	86	Wind blowing from the south-east	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			100%. 10/10. 8 oktas	Rain, not freezing, slight.						100%. 10/10. 8 oktas	2000-2500 6562-8202			11.0 6.8	12.8 55
	10	16.1 61	722.2 28.43 962.85 962.85	753.6 29.67 1004.72 1004.72	0.2 0.01 0.27 0.27	73	Wind blowing from the south	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			100%. 10/10. 8 oktas				14.9 59	16.2 61		100%. 10/10. 8 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.			40.0 24.9	11.3 52	No precipitation No precipitation	12
	09	15.7 60	721.9 28.42 962.45 962.45	753.3 29.66 1004.32 1004.32	0.0 0 0 0	75	Wind blowing from the south	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			100%. 10/10. 8 oktas							100%. 10/10. 8 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.			40.0 24.9	11.2 52
	08	15.8 60	721.9 28.42 962.45 962.45	753.2 29.65 1004.18 1004.18	-0.3 -0.01 -0.4 -0.4	74	Wind blowing from the south-east	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			100%. 10/10. 8 oktas							100%. 10/10. 8 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.			40.0 24.9	11.1 52
	07	15.4 60	722.0 28.43 962.59 962.59	753.4 29.66 1004.45 1004.45	-0.8 -0.03 -1.07 -1.07	76	Wind blowing from the east-southeast	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			100%. 10/10. 8 oktas				14.9 59	17.4 63		100%. 10/10. 8 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.			45.0 28.0	11.1 52	No precipitation No precipitation	12
	06	15.7 60	721.9 28.42 962.45 962.45	753.2 29.65 1004.18 1004.18	-1.4 -0.06 -1.87 -1.87	74	Wind blowing from the south-southeast	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			100%. 10/10. 8 oktas							100%. 10/10. 8 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.			45.0 28.0	11.0 52
	05	15.5 60	722.2 28.43 962.85 962.85	753.6 29.67 1004.72 1004.72	-1.4 -0.06 -1.87 -1.87	74	Wind blowing from the east-southeast	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			100%. 10/10. 8 oktas							100%. 10/10. 8 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.			50.0 31.1	10.8 51
	04	15.1 59	722.8 28.46 963.65 963.65	754.3 29.7 1005.65 1005.65	-1.5 -0.06 -2 -2	72	Wind blowing from the east	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			100%. 10/10. 8 oktas							100%. 10/10. 8 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.			55.0 34.2	10.1 50
	03	15.3 60	723.3 28.48 964.32 964.32	754.7 29.71 1006.18 1006.18	-1.3 -0.05 -1.73 -1.73	70	Wind blowing from the east	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			100%. 10/10. 8 oktas							100%. 10/10. 8 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.			55.0 34.2	9.9 50
	02	15.2 59	723.6 28.49 964.72 964.72	755.1 29.73 1006.72 1006.72	-1.8 -0.07 -2.4 -2.4	70	Wind blowing from the east	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			100%. 10/10. 8 oktas							100%. 10/10. 8 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.			55.0 34.2	9.7 49
	01	15.5 60	724.3 28.52 965.65 965.65	755.8 29.76 1007.65 1007.65	-1.6 -0.06 -2.13 -2.13	68	Wind blowing from the east	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			100%. 10/10. 8 oktas							100%. 10/10. 8 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.			55.0 34.2	9.6 49	No precipitation No precipitation	6
	00	15.7 60	724.6 28.53 966.05 966.05	756.1 29.77 1008.05 1008.05	-1.5 -0.06 -2 -2	66	Wind blowing from the east-southeast	Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft)			100%. 10/10. 8 oktas							100%. 10/10. 8 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.			55.0 34.2	9.4 49