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
2025 May 17, Saturday	00	20.6 69	685.9 27 914.46 914.46	759.4 29.9 1012.45 1012.45	-0.1 -0 -0.13 -0.13	99	variable wind direction	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			50%. 5/10. 4 oktas	Clouds generally dissolving or becoming less developed.	Rain.	Fog or ice fog or thick haze.	19.2 67	29.7 85	Stratus fractus or Cumulus fractus of bad weather, or both (pannus), usually below Altostratus or Nimbostratus.	50%. 5/10. 4 oktas	50-100 164-328	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	2.0 1.2	20.5 69	2.0 0.08	6	Surface of ground moist.
May 16, Friday	21	21.1 70	686.0 27.01 914.59 914.59	759.7 29.91 1012.85 1012.85	1.6 0.06 2.13 2.13	99	variable wind direction	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	Mist.	Rain.	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.	20–30%. 2/10–3/10. 2 oktas	Less than 50 Less than 50	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.	1.0 0.6	20.9 70			Surface of ground wet (standing water in small or large pools on surface).
	18	21.7 71	684.4 26.94 912.46 912.46	758.5 29.86 1011.25 1011.25	0.2 0.01 0.27 0.27	96	Wind blowing from the east	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 8 oktas	Rain, not freezing, continuous, slight at time of observation.	Thunderstorm(s) with or without precipitation.	Rain.	19.2 67	29.7 85	Stratus fractus or Cumulus fractus of bad weather, or both (pannus), usually below Altostratus or Nimbostratus.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	300-600 984-1968	Altostratus opacus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	10.0 6.2	21.0 70	5.0 0.2	6	Surface of ground wet (standing water in small or large pools on surface).
	15	22.1 72	684.2 26.94 912.19 912.19	758.3 29.85 1010.98 1010.98	-0.5 -0.02 -0.67 -0.67	93	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	Slight rain at time of observation. Thunderstorm during the preceding hour but not at time of observation.	Thunderstorm(s) with or without precipitation.	Rain.			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	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	10.0 6.2	20.9 70			Surface of ground wet (standing water in small or large pools on surface).
	12	26.7 80	684.7 26.96 912.86 912.86	758.3 29.85 1010.98 1010.98	-0.1 -0 -0.13 -0.13	71	Wind blowing from the west-southwest	Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft)			100%. 10/10. 8 oktas				19.2 67	29.7 85	Stratocumulus other than Stratocumulus cumulogenitus.	50%. 5/10. 4 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	20.9 70			Dry (without cracks, no appreciable amount of dust or loose sand)
	09	26.0 79	684.8 26.96 912.99 912.99	758.5 29.86 1011.25 1011.25	-0.2 -0.01 -0.27 -0.27	65	Wind blowing from the east	Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft)			100%. 10/10. 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	1000-1500 3281-4921	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.	Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered.	20.0 12.4	19.0 66			Surface of ground moist.
	06	20.5 69	685.0 26.97 913.26 913.26	759.4 29.9 1012.45 1012.45	0.3 0.01 0.4 0.4	90	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				19.1 66		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.	Cirrostratus not progressively invading the sky and not entirely covering it.	20.0 12.4	18.8 66	Trace of precipitation Trace of precipitation	6	Surface of ground wet (standing water in small or large pools on surface).
	03	19.9 68	684.7 26.96 912.86 912.86	758.9 29.88 1011.78 1011.78	-0.5 -0.02 -0.67 -0.67	95	Wind blowing from the north-northwest	Light breeze (2 m/s) (7 km/h) (4 mph) (4 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.				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	600-1000 1968-3281	Altostratus translucidus.	No Cirrus, Cirrocumulus or Cirrostratus.	20.0 12.4	19.1 66			Surface of ground wet (standing water in small or large pools on surface).
	00	19.9 68	685.2 26.98 913.53 913.53	758.6 29.87 1011.38 1011.38	-1.0 -0.04 -1.33 -1.33	89	Wind blowing from the east	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	Rain (not freezing) not falling as shower(s).	Thunderstorm(s) with or without precipitation.	Rain.	19.1 66	29.6 85	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	2500 or more, or no clouds. 8202 or more, or no clouds.	Altostratus translucidus.	No Cirrus, Cirrocumulus or Cirrostratus.	20.0 12.4	18.1 65	16.0 0.63	6	Surface of ground wet (standing water in small or large pools on surface).