Weather archive in Juan Santamaria (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 May 31, Sunday	06	21.4 71	684.8 26.96 912.99 912.99	758.7 29.87 1011.52 1011.52	0.9 0.04 1.2 1.2	82	Wind blowing from the east-northeast	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			60%. 6/10. 5 oktas				19.6 67		Stratus nebulosus or Stratus fractus other than of bad weather, or both.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	1000-1500 3281-4921	No Altocumulus, Altostratus or Nimbostratus.	Cirrostratus not progressively invading the sky and not entirely covering it.	20.0 12.4	18.1 65			Dry (without cracks, no appreciable amount of dust or loose sand)
	03	20.9 70	683.9 26.93 911.79 911.79	757.3 29.81 1009.65 1009.65	-1.4 -0.06 -1.87 -1.87	86	Wind blowing from the north-east	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			60%. 6/10. 5 oktas						Stratus nebulosus or Stratus fractus other than of bad weather, or both.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	Less than 50 Less than 50	No Altocumulus, Altostratus or Nimbostratus.	Cirrostratus not progressively invading the sky and not entirely covering it.	20.0 12.4	18.5 65			Dry (without cracks, no appreciable amount of dust or loose sand)
	00	21.8 71	685.3 26.98 913.66 913.66	758.6 29.87 1011.38 1011.38	0.0 0 0 0	92	Wind blowing from the east-northeast	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				19.9 68	29.0 84	Stratus nebulosus or Stratus fractus other than of bad weather, or both.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	1000-1500 3281-4921	Altocumulus translucidus at a single level.	No Cirrus, Cirrocumulus or Cirrostratus.	20.0 12.4	20.5 69			Surface of ground moist.
May 30, Saturday	21	22.0 72	685.3 26.98 913.66 913.66	758.6 29.87 1011.38 1011.38	0.4 0.02 0.53 0.53	88	variable wind direction	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas						Stratus nebulosus or Stratus fractus other than of bad weather, or both.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	200-300 656-984	Altostratus translucidus.	No Cirrus, Cirrocumulus or Cirrostratus.	20.0 12.4	20.0 68			Surface of ground moist.
	18	23.0 73	684.9 26.96 913.13 913.13	758.8 29.87 1011.65 1011.65	1.4 0.06 1.87 1.87	92	Wind blowing from the west-northwest	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	Thunderstorm (with or without precipitation).	Thunderstorm(s) with or without precipitation.	Rain.	19.9 68	29.0 84	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	200-300 656-984	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	20.0 12.4	21.7 71	3.0 0.12	6	Surface of ground wet (standing water in small or large pools on surface).
	15	26.3 79	683.5 26.91 911.26 911.26	756.9 29.8 1009.12 1009.12	-1.4 -0.06 -1.87 -1.87	76	Wind blowing from the south-west	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			100%. 10/10. 8 oktas						Stratocumulus other than Stratocumulus cumulogenitus.	50%. 5/10. 4 oktas	600-1000 1968-3281	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.	20.0 12.4	21.8 71			Dry (without cracks, no appreciable amount of dust or loose sand)
	12	27.3 81	684.9 26.96 913.13 913.13	758.2 29.85 1010.85 1010.85	-0.8 -0.03 -1.07 -1.07	71	Wind blowing from the south-west	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas				19.9 68	28.0 82	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	Altocumulus translucidus in bands, or one or more layers of Altocumulus translucidus or opacus, progressively invading the sky; these Altocumulus clouds generally thicken as a whole.	No Cirrus, Cirrocumulus or Cirrostratus.	20.0 12.4	21.5 71			Dry (without cracks, no appreciable amount of dust or loose sand)
	09	26.4 80	685.7 27 914.19 914.19	759.1 29.89 1012.05 1012.05	1.7 0.07 2.27 2.27	68	Wind blowing from the south-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	1000-1500 3281-4921	Altocumulus translucidus at a single level.	No Cirrus, Cirrocumulus or Cirrostratus.	20.0 12.4	20.0 68			Dry (without cracks, no appreciable amount of dust or loose sand)
	06	21.3 70	684.0 26.93 911.93 911.93	757.7 29.83 1010.18 1010.18	-0.1 -0 -0.13 -0.13	80	variable wind direction	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	Fog or ice fog at a distance at the time of observation, but not at the station during the preceding hour, the fog or ice fog extending to a level above that of the observer.	Cloud covering more than 1/2 of the sky throughout the appropriate period.		20.0 68		Cumulus humilis or Cumulus fractus other than of bad weather, or both.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	1000-1500 3281-4921	No Altocumulus, Altostratus or Nimbostratus.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	20.0 12.4	17.6 64			Dry (without cracks, no appreciable amount of dust or loose sand)