Weather archive in Keflavik (airport)

To receive explanation, place the mouse pointer on 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
2018 April 20, Friday	21	6.0 43	752.7 29.63 1003.52 1003.52	758.0 29.84 1010.58 1010.58	0.3 0.01 0.4 0.4	95	Wind blowing from the south	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 8 oktas	Drizzle (not freezing) or snow grains not falling as shower(s).	Rain.	Drizzle.			Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.	70 – 80%. 7/10 – 8/10. 6 oktas	200-300 656-984	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.		30.0 18.6	5.3 42
	18	7.8 46	752.4 29.62 1003.12 1003.12	757.6 29.83 1010.05 1010.05	0.4 0.02 0.53 0.53	82	Wind blowing from the west-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).	Shower(s).	Rain.	6.4 44	8.8 48	Stratus fractus or Cumulus fractus of bad weather, or both (pannus), usually below Altostratus or Nimbostratus.	60%. 6/10. 5 oktas	100-200 328-656	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.		10.0 6.2	4.9 41	3.0 0.12	9
	15	8.6 47	752.0 29.61 1002.58 1002.58	757.2 29.81 1009.52 1009.52	0.3 0.01 0.4 0.4	90	Wind blowing from the west-northwest	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			100%. 10/10. 8 oktas	State of sky on the whole unchanged.	Shower(s).	Cloud covering more than 1/2 of the sky throughout the appropriate period.			Stratus nebulosus or Stratus fractus other than of bad weather, or both.	100%. 10/10. 8 oktas	100-200 328-656			27.0 16.8	7.1 45
	12	7.9 46	751.7 29.59 1002.18 1002.18	756.9 29.8 1009.12 1009.12	1.0 0.04 1.33 1.33	96	Wind blowing from the north-west	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 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	State of sky on the whole unchanged.	Drizzle.	Cloud covering more than 1/2 of the sky throughout the appropriate period.			Stratus nebulosus or Stratus fractus other than of bad weather, or both.	90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	100-200 328-656	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	50.0 31.1	7.3 45
	09	6.4 44	750.7 29.56 1000.85 1000.85	755.9 29.76 1007.78 1007.78	1.2 0.05 1.6 1.6	97	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	Mist.	Drizzle.	Fog or ice fog or thick haze.	6.2 43	8.5 47	Stratus nebulosus or Stratus fractus other than of bad weather, or both.	100%. 10/10. 8 oktas	50-100 164-328			2.0 1.2	6.0 43	4.0 0.16	15
	06	6.2 43	749.5 29.51 999.25 999.25	754.7 29.71 1006.18 1006.18	0.5 0.02 0.67 0.67	97	Wind blowing from the south-southwest	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	Fog or ice fog, sky visible, no appreciable change during the preceding hour.	Drizzle.	Fog or ice fog or thick haze.			Stratus fractus or Cumulus fractus of bad weather, or both (pannus), usually below Altostratus or Nimbostratus.	50%. 5/10. 4 oktas	200-300 656-984	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.	No Cirrus, Cirrocumulus or Cirrostratus.	0.4 0.3	5.8 42
	03	6.7 44	749.0 29.49 998.58 998.58	754.2 29.69 1005.52 1005.52	0.3 0.01 0.4 0.4	97	Wind blowing from the south-southwest	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			100%. 10/10. 8 oktas	Drizzle, not freezing, continuous, slight at time of observation.	Rain.	Drizzle.			Stratus fractus or Cumulus fractus of bad weather, or both (pannus), usually below Altostratus or Nimbostratus.	90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	50-100 164-328	Altostratus opacus or Nimbostratus.		10.0 6.2	6.3 43
	00	7.3 45	748.7 29.48 998.18 998.18	753.9 29.68 1005.12 1005.12	0.8 0.03 1.07 1.07	96	Wind blowing from the south-east	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 8 oktas	Drizzle, not freezing, intermittent, slight at time of observation.	Rain.	Drizzle.			Stratus fractus or Cumulus fractus of bad weather, or both (pannus), usually below Altostratus or Nimbostratus.	90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	100-200 328-656	Altostratus opacus or Nimbostratus.		6.0 3.7	6.7 44
April 19, Thursday	21	7.7 46	747.9 29.44 997.12 997.12	753.1 29.65 1004.05 1004.05	0.7 0.03 0.93 0.93	89	Wind blowing from the south-east	Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	Shower(s) of rain.	Shower(s).	Drizzle.			Stratocumulus other than Stratocumulus cumulogenitus.	60%. 6/10. 5 oktas	300-600 984-1968	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.	15.0 9.3	5.9 43