Weather archive in Prague / Vaclav Havel (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
2021 April 20, Tuesday	20	10.7 51	728.6 28.69 971.39 971.39	761.1 29.96 1014.72 1014.72	0.1 0 0.13 0.13	64	Wind blowing from the north	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			40%. 4/10. 3 oktas					15.6 60	Stratocumulus cumulogenitus.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	1500-2000 4921-6562	Altocumulus cumulogenitus (or cumulonimbogenitus).	Cirrus spissatus cumulonimbogenitus.	30.0 18.6	4.2 40	No precipitation No precipitation	12
	19	12.9 55	728.3 28.67 970.99 970.99	760.6 29.94 1014.05 1014.05	-0.1 -0 -0.13 -0.13	54	Wind blowing from the north-northwest	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			40%. 4/10. 3 oktas						Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	1500-2000 4921-6562	Altocumulus cumulogenitus (or cumulonimbogenitus).	Cirrus spissatus cumulonimbogenitus.	30.0 18.6	3.8 39	No precipitation No precipitation	1
	18	13.9 57	728.4 28.68 971.12 971.12	760.5 29.94 1013.92 1013.92	-0.2 -0.01 -0.27 -0.27	54	Wind blowing from the west	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			60%. 6/10. 5 oktas						Stratocumulus cumulogenitus.	40%. 4/10. 3 oktas	1500-2000 4921-6562	Altocumulus cumulogenitus (or cumulonimbogenitus).	Cirrus spissatus cumulonimbogenitus.	25.0 15.5	4.8 41	No precipitation No precipitation	1
	17	13.5 56	728.5 28.68 971.25 971.25	760.6 29.94 1014.05 1014.05	-0.5 -0.02 -0.67 -0.67	60	Wind blowing from the west	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			60%. 6/10. 5 oktas						Stratocumulus cumulogenitus.	40%. 4/10. 3 oktas	1500-2000 4921-6562	Altocumulus cumulogenitus (or cumulonimbogenitus).	Cirrus spissatus cumulonimbogenitus.	25.0 15.5	5.7 42	No precipitation No precipitation	1
	16	14.8 59	728.4 28.68 971.12 971.12	760.4 29.94 1013.78 1013.78	-1.0 -0.04 -1.33 -1.33	40	variable wind direction	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			60%. 6/10. 5 oktas	Precipitation within sight, reaching the ground or the surface of the sea, but distant, i.e. estimated to be more than 5 km from the station.	Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the period.	Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the period.			Cumulonimbus calvus, with or without Cumulus, Stratocumulus or Stratus.	50%. 5/10. 4 oktas	1500-2000 4921-6562	Altocumulus cumulogenitus (or cumulonimbogenitus).	Cirrus spissatus cumulonimbogenitus.	25.0 15.5	1.3 34	No precipitation No precipitation	1
	15	15.4 60	728.6 28.69 971.39 971.39	760.6 29.94 1014.05 1014.05	-1.0 -0.04 -1.33 -1.33	41	variable wind direction	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			50%. 5/10. 4 oktas						Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.	40%. 4/10. 3 oktas	1500-2000 4921-6562	Altocumulus cumulogenitus (or cumulonimbogenitus).	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	30.0 18.6	2.2 36	No precipitation No precipitation	1
	14	14.6 58	729.0 28.7 971.92 971.92	761.0 29.96 1014.58 1014.58	-0.8 -0.03 -1.07 -1.07	50	Wind blowing from the south	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			50%. 5/10. 4 oktas						Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.	50%. 5/10. 4 oktas	1000-1500 3281-4921	Altocumulus cumulogenitus (or cumulonimbogenitus).	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	30.0 18.6	4.3 40	No precipitation No precipitation	6
	13	13.9 57	729.4 28.72 972.45 972.45	761.5 29.98 1015.25 1015.25	-0.6 -0.02 -0.8 -0.8	61	Wind blowing from the north-northwest	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			50%. 5/10. 4 oktas						Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.	50%. 5/10. 4 oktas	600-1000 1968-3281	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	25.0 15.5	6.5 44	No precipitation No precipitation	1
	12	12.0 54	729.6 28.72 972.72 972.72	762.0 30 1015.92 1015.92	-0.4 -0.02 -0.53 -0.53	65	Wind blowing from the north-northeast	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			40%. 4/10. 3 oktas						Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.	40%. 4/10. 3 oktas	600-1000 1968-3281	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	25.0 15.5	5.6 42	No precipitation No precipitation	1
	11	11.2 52	729.8 28.73 972.99 972.99	762.3 30.01 1016.32 1016.32	-0.1 -0 -0.13 -0.13	71	Wind blowing from the north-northwest	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			40%. 4/10. 3 oktas						Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.	40%. 4/10. 3 oktas	300-600 984-1968	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	20.0 12.4	6.1 43	No precipitation No precipitation	1
	10	9.8 50	730.0 28.74 973.25 973.25	762.6 30.02 1016.72 1016.72	0.3 0.01 0.4 0.4	77	Wind blowing from the north	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			40%. 4/10. 3 oktas						Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.	40%. 4/10. 3 oktas	300-600 984-1968	Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels.	No Cirrus, Cirrocumulus or Cirrostratus.	15.0 9.3	6.0 43	No precipitation No precipitation	1
	09	8.4 47	730.0 28.74 973.25 973.25	762.8 30.03 1016.98 1016.98	0.6 0.02 0.8 0.8	83	Wind blowing from the north-northwest	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			40%. 4/10. 3 oktas						Stratocumulus other than Stratocumulus cumulogenitus.	40%. 4/10. 3 oktas	1000-1500 3281-4921	Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels.	No Cirrus, Cirrocumulus or Cirrostratus.	10.0 6.2	5.7 42	No precipitation No precipitation	1
	08	6.1 43	729.9 28.74 973.12 973.12	763.0 30.04 1017.25 1017.25	0.5 0.02 0.67 0.67	92	Wind blowing from the west	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			40%. 4/10. 3 oktas	Mist.	Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the period.	Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the period.	3.0 37		Stratocumulus other than Stratocumulus cumulogenitus.	20–30%. 2/10–3/10. 2 oktas	1000-1500 3281-4921	Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels.	No Cirrus, Cirrocumulus or Cirrostratus.	8.0 5.0	4.9 41	0.1	12	Surface of ground moist.	0.0 32
	07	4.4 40	729.7 28.73 972.85 972.85	763.0 30.04 1017.25 1017.25	0.3 0.01 0.4 0.4	93	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	Mist.	Cloud covering 1/2 or less of the sky throughout the appropriate period.	Cloud covering 1/2 or less of the sky throughout the appropriate period.			No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	20–30%. 2/10–3/10. 2 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.	Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels.	No Cirrus, Cirrocumulus or Cirrostratus.	8.0 5.0	3.4 38	No precipitation No precipitation	1
	06	3.4 38	729.4 28.72 972.45 972.45	762.7 30.03 1016.85 1016.85	-0.2 -0.01 -0.27 -0.27	96	Wind blowing from the west	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			40%. 4/10. 3 oktas						Stratocumulus other than Stratocumulus cumulogenitus.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	1500-2000 4921-6562	Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels.	No Cirrus, Cirrocumulus or Cirrostratus.	15.0 9.3	2.8 37	No precipitation No precipitation	1
	05	3.8 39	729.4 28.72 972.45 972.45	762.7 30.03 1016.85 1016.85	-0.3 -0.01 -0.4 -0.4	93	Wind blowing from the west-southwest	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			40%. 4/10. 3 oktas						No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	40%. 4/10. 3 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.	Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels.	No Cirrus, Cirrocumulus or Cirrostratus.	18.0 11.2	2.8 37	No precipitation No precipitation	1
	04	5.3 42	729.4 28.72 972.45 972.45	762.6 30.02 1016.72 1016.72	-0.7 -0.03 -0.93 -0.93	94	Wind blowing from the west-southwest	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						No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	2000-2500 6562-8202	Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus.		20.0 12.4	4.4 40	No precipitation No precipitation	1
	03	6.5 44	729.6 28.72 972.72 972.72	762.6 30.02 1016.72 1016.72	-0.6 -0.02 -0.8 -0.8	90	Wind blowing from the west-northwest	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas						Stratocumulus other than Stratocumulus cumulogenitus.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	1500-2000 4921-6562	Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus.		25.0 15.5	5.0 41	No precipitation No precipitation	1
	02	6.9 44	729.7 28.73 972.85 972.85	762.7 30.03 1016.85 1016.85	-0.5 -0.02 -0.67 -0.67	89	Wind blowing from the north-west	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	Rain (not freezing) not falling as shower(s).	Rain.	Cloud covering more than 1/2 of the sky throughout the appropriate period.			Stratocumulus other than Stratocumulus cumulogenitus.	60%. 6/10. 5 oktas	1500-2000 4921-6562	Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus.		25.0 15.5	5.2 41	0.1	6
	01	7.0 45	730.1 28.74 973.39 973.39	763.1 30.04 1017.38 1017.38	-0.4 -0.02 -0.53 -0.53	88	Wind blowing from the north-northwest	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			100%. 10/10. 8 oktas	Rain, not freezing, intermittent, slight at time of observation.	Rain.	Cloud covering more than 1/2 of the sky throughout the appropriate period.			Stratocumulus other than Stratocumulus cumulogenitus.	20–30%. 2/10–3/10. 2 oktas	1000-1500 3281-4921	Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus.		15.0 9.3	5.2 41	0.1	1
	00	7.5 46	730.2 28.75 973.52 973.52	763.1 30.04 1017.38 1017.38	-0.4 -0.02 -0.53 -0.53	84	Wind blowing from the north-northwest	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			100%. 10/10. 8 oktas	Rain (not freezing) not falling as shower(s).	Rain.	Cloud covering more than 1/2 of the sky throughout the appropriate period.			Stratocumulus other than Stratocumulus cumulogenitus.	40%. 4/10. 3 oktas	1000-1500 3281-4921	Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus.		15.0 9.3	4.9 41	Trace of precipitation Trace of precipitation	1
April 19, Monday	23	7.8 46	730.2 28.75 973.52 973.52	763.1 30.04 1017.38 1017.38	-0.1 -0 -0.13 -0.13	84	Wind blowing from the north-northwest	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			100%. 10/10. 8 oktas	Rain, not freezing, intermittent, slight at time of observation.	Cloud covering more than 1/2 of the sky throughout the appropriate period.	Cloud covering more than 1/2 of the sky throughout the appropriate period.			Stratocumulus other than Stratocumulus cumulogenitus.	20–30%. 2/10–3/10. 2 oktas	1000-1500 3281-4921	Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus.		18.0 11.2	5.2 41	Trace of precipitation Trace of precipitation	1
	22	6.8 44	730.5 28.76 973.92 973.92	763.5 30.06 1017.92 1017.92	0.3 0.01 0.4 0.4	81	Wind blowing from the west-northwest	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas						Stratocumulus other than Stratocumulus cumulogenitus.	90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	1000-1500 3281-4921			20.0 12.4	3.7 39	No precipitation No precipitation	1
	21	6.2 43	730.6 28.76 974.05 974.05	763.7 30.07 1018.18 1018.18	0.1 0 0.13 0.13	84	Wind blowing from the 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						Stratocumulus other than Stratocumulus cumulogenitus.	90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	1000-1500 3281-4921			20.0 12.4	3.6 38	No precipitation No precipitation	1
	20	6.8 44	730.3 28.75 973.65 973.65	763.3 30.05 1017.65 1017.65	-0.2 -0.01 -0.27 -0.27	83	Wind blowing from the west-southwest	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas	State of sky on the whole unchanged.	Rain.	Cloud covering more than 1/2 of the sky throughout the appropriate period.		11.1 52	Stratocumulus other than Stratocumulus cumulogenitus.	60%. 6/10. 5 oktas	1000-1500 3281-4921	Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus.	Cirrus spissatus, in patches or entangled sheaves, which usually do not increase and sometimes seem to be the remains of the upper part of a Cumulonimbus; or Cirrus castellanus or floccus.	20.0 12.4	4.1 39	0.1	12