Weather archive in Lake Vyrnwy

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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 22, Tuesday	00	14.2 58	741.1 29.18 988.05 988.05	773.5 30.45 1031.25 1031.25		97	Wind blowing from the west-northwest	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 8 oktas	Fog						100%. 10/10. 8 oktas	Less than 50 Less than 50			2.1 1.3	13.8 57
September 21, Monday	23	13.9 57	741.4 29.19 988.45 988.45	773.8 30.46 1031.65 1031.65		96	Wind blowing from the west-northwest	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	Mist.						10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	50-100 164-328			3.4 2.1	13.3 56
	22	14.3 58	741.3 29.19 988.32 988.32	773.7 30.46 1031.52 1031.52		94	Wind blowing from the north-west	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			no clouds no clouds no clouds	Rain (not freezing).			14.2 58	20.3 69						19.0 11.8	13.4 56
	21	14.7 58	741.2 29.18 988.19 988.19	773.5 30.45 1031.25 1031.25		93	Wind blowing from the west-northwest	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			no clouds no clouds no clouds	Rain, not freezing, slight.										4.9 3.0	13.6 56
	20	14.9 59	741.0 29.17 987.92 987.92	773.2 30.44 1030.85 1030.85		91	Wind blowing from the west	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			no clouds no clouds no clouds	Mist.										7.0 4.4	13.5 56
	17	19.5 67	741.1 29.18 988.05 988.05	772.9 30.43 1030.45 1030.45		75	Wind blowing from the west-southwest	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			no clouds no clouds no clouds	Drizzle (not freezing) or snow grains.										30.0 18.6	15.0 59
	16	18.6 65	741.2 29.18 988.19 988.19	773.1 30.44 1030.72 1030.72		78	Wind blowing from the north-west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	Rain (not freezing).						10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	300-600 984-1968			15.0 9.3	14.6 58
	15	19.2 67	741.2 29.18 988.19 988.19	773.0 30.43 1030.58 1030.58		76	Wind blowing from the south-west	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			40%. 4/10. 3 oktas							40%. 4/10. 3 oktas	300-600 984-1968			40.0 24.9	14.9 59
	14	19.5 67	741.2 29.18 988.19 988.19	772.9 30.43 1030.45 1030.45		77	Wind blowing from the west-southwest	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			no clouds no clouds no clouds	Rain (not freezing).										55.0 34.2	15.4 60
	12	17.0 63	741.5 29.19 988.59 988.59	773.6 30.46 1031.38 1031.38		84	Wind blowing from the south-west	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			40%. 4/10. 3 oktas							40%. 4/10. 3 oktas	300-600 984-1968			21.0 13.1	14.2 58
	11	16.6 62	741.5 29.19 988.59 988.59	773.6 30.46 1031.38 1031.38		84	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							100%. 10/10. 8 oktas	200-300 656-984			40.0 24.9	13.9 57
	10	15.3 60	741.5 29.19 988.59 988.59	773.8 30.46 1031.65 1031.65		86	Wind blowing from the west-southwest	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			100%. 10/10. 8 oktas				8.5 47	15.6 60		100%. 10/10. 8 oktas	1000-1500 3281-4921			30.0 18.6	12.9 55
	09	13.2 56	741.5 29.19 988.59 988.59	774.0 30.47 1031.92 1031.92		88	Wind blowing from the west-southwest	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	200-300 656-984			21.0 13.1	11.2 52
	08	10.5 51	741.1 29.18 988.05 988.05	773.9 30.47 1031.78 1031.78		82	Wind blowing from the south-west	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	200-300 656-984			22.0 13.7	7.6 46
	07	10.2 50	741.1 29.18 988.05 988.05	773.9 30.47 1031.78 1031.78		81	Wind blowing from the west-southwest	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			100%. 10/10. 8 oktas				8.5 47	11.3 52		100%. 10/10. 8 oktas	300-600 984-1968			25.0 15.5	7.1 45	No precipitation No precipitation	12
	06	9.9 50	741.0 29.17 987.92 987.92	773.8 30.46 1031.65 1031.65		82	Calm, no wind	Calm			100%. 10/10. 8 oktas							100%. 10/10. 8 oktas	300-600 984-1968			22.0 13.7	7.0 45
	05	9.0 48	740.8 29.17 987.65 987.65	773.8 30.46 1031.65 1031.65		87	Wind blowing from the north-east	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			100%. 10/10. 8 oktas							100%. 10/10. 8 oktas	1000-1500 3281-4921			24.0 14.9	6.9 44
	04	9.7 49	740.9 29.17 987.79 987.79	773.8 30.46 1031.65 1031.65		78	variable wind direction	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			60%. 6/10. 5 oktas							60%. 6/10. 5 oktas	2000-2500 6562-8202			27.0 16.8	6.1 43
	03	10.0 50	741.1 29.18 988.05 988.05	773.9 30.47 1031.78 1031.78		74	Wind blowing from the west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			20–30%. 2/10–3/10. 2 oktas							20–30%. 2/10–3/10. 2 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.			28.0 17.4	5.6 42
	02	9.9 50	741.0 29.17 987.92 987.92	773.8 30.46 1031.65 1031.65		77	Wind blowing from the west-northwest	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			100%. 10/10. 8 oktas							100%. 10/10. 8 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.			29.0 18.0	6.1 43
	01	9.6 49	741.1 29.18 988.05 988.05	774.0 30.47 1031.92 1031.92		78	Wind blowing from the north-west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas							90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.			29.0 18.0	5.9 43	No precipitation No precipitation	6
	00	8.6 47	741.1 29.18 988.05 988.05	774.1 30.48 1032.05 1032.05		85	Wind blowing from the north-northwest	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas							70 – 80%. 7/10 – 8/10. 6 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.			27.0 16.8	6.2 43