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 August 18, Tuesday | 16 | 20.8 69 | 683.2 26.9 910.86 910.86 | 98 | Wind blowing from the west-southwest | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 5 m/s 18 km/h 11 miles/hour 10 knots 3 Bft | 20.4 69 | 1.0 0.04 | 1 | |||||||||||||||||||
15 | 20.3 69 | 684.0 26.93 911.93 911.93 | 758.2 29.85 1010.85 1010.85 | -0.1 -0 -0.13 -0.13 | 95 | 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 | Rain, not freezing, continuous, moderate at time of observation. | Rain. | Fog or ice fog or thick haze. | Stratocumulus other than Stratocumulus cumulogenitus. | 100%. 10/10. 8 oktas | 100-200 328-656 | No Altocumulus, Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 3.0 1.9 | 19.4 67 | Surface of ground wet (standing water in small or large pools on surface). | ||||||||||
14 | 23.7 75 | 683.4 26.91 911.13 911.13 | 91 | Wind blowing from the south-west | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 6 m/s 22 km/h 13 miles/hour 12 knots 4 Bft | 22.1 72 | 0.2 0.01 | 1 | ||||||||||||||||||||
13 | 25.7 78 | 683.5 26.91 911.26 911.26 | 78 | Wind blowing from the west-southwest | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 9 m/s 32 km/h 20 miles/hour 17 knots 5 Bft | 21.6 71 | No precipitation No precipitation | 1 | ||||||||||||||||||||
12 | 26.9 80 | 684.1 26.93 912.06 912.06 | 757.6 29.83 1010.05 1010.05 | -0.6 -0.02 -0.8 -0.8 | 71 | 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 | 19.2 67 | 28.5 83 | Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels. | 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. | No Cirrus, Cirrocumulus or Cirrostratus. | 20.0 12.4 | 21.1 70 | 0.2 0.01 | 24 | Dry (without cracks, no appreciable amount of dust or loose sand) | |||||||||
11 | 27.2 81 | 684.1 26.93 912.06 912.06 | 63 | Wind blowing from the east-northeast | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 6 m/s 22 km/h 13 miles/hour 12 knots 4 Bft | 19.5 67 | No precipitation No precipitation | 1 | ||||||||||||||||||||
10 | 27.6 82 | 684.3 26.94 912.33 912.33 | 59 | Wind blowing from the east | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 8 m/s 29 km/h 18 miles/hour 16 knots 5 Bft | 19.0 66 | 0.2 0.01 | 1 | ||||||||||||||||||||
09 | 26.7 80 | 684.7 26.96 912.86 912.86 | 758.0 29.84 1010.58 1010.58 | 1.2 0.05 1.6 1.6 | 64 | Wind blowing from the east-southeast | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 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 | 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 | No Altocumulus, Altostratus or Nimbostratus. | Cirrostratus not progressively invading the sky and not entirely covering it. | 20.0 12.4 | 19.2 67 | Dry (without cracks, no appreciable amount of dust or loose sand) | |||||||||||||
08 | 23.8 75 | 683.4 26.91 911.13 911.13 | 75 | Wind blowing from the east-southeast | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 9 m/s 32 km/h 20 miles/hour 17 knots 5 Bft | 19.0 66 | No precipitation No precipitation | 1 | ||||||||||||||||||||
07 | 22.6 73 | 683.2 26.9 910.86 910.86 | 79 | Wind blowing from the east-southeast | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 8 m/s 29 km/h 18 miles/hour 16 knots 5 Bft | 18.7 66 | No precipitation No precipitation | 1 | ||||||||||||||||||||
06 | 21.9 71 | 683.5 26.91 911.26 911.26 | 757.4 29.82 1009.78 1009.78 | -0.1 -0 -0.13 -0.13 | 81 | 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 | 19.2 67 | 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 | Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels. | No Cirrus, Cirrocumulus or Cirrostratus. | 20.0 12.4 | 18.5 65 | Dry (without cracks, no appreciable amount of dust or loose sand) | ||||||||||||
05 | 21.6 71 | 683.2 26.9 910.86 910.86 | 84 | Wind blowing from the east-northeast | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 6 m/s 22 km/h 13 miles/hour 12 knots 4 Bft | 18.8 66 | No precipitation No precipitation | 1 | ||||||||||||||||||||
04 | 21.2 70 | 683.0 26.89 910.59 910.59 | 86 | Wind blowing from the north-east | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 6 m/s 22 km/h 13 miles/hour 12 knots 4 Bft | 18.7 66 | No precipitation No precipitation | 1 | ||||||||||||||||||||
03 | 21.1 70 | 683.6 26.91 911.39 911.39 | 757.0 29.8 1009.25 1009.25 | -1.7 -0.07 -2.27 -2.27 | 85 | Wind blowing from the east-northeast | 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 | 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 | 18.5 65 | Surface of ground moist. | |||||||||||||
02 | 19.6 67 | 683.3 26.9 910.99 910.99 | 96 | Wind blowing from the east-northeast | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 5 m/s 18 km/h 11 miles/hour 10 knots 3 Bft | 19.0 66 | No precipitation No precipitation | 1 | ||||||||||||||||||||
01 | 20.1 68 | 684.0 26.93 911.93 911.93 | 98 | Wind blowing from the north-northeast | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 19.8 68 | No precipitation No precipitation | 1 | |||||||||||||||||||||
00 | 20.1 68 | 685.3 26.98 913.66 913.66 | 758.8 29.87 1011.65 1011.65 | -0.4 -0.02 -0.53 -0.53 | 98 | Wind blowing from the east-southeast | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 20–30%. 2/10–3/10. 2 oktas | Fog or ice fog in patches. | Fog or ice fog or thick haze. | Cloud covering 1/2 or less of the sky throughout the appropriate period. | 18.7 66 | 29.1 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 | Less than 50 Less than 50 | No Altocumulus, Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 4.0 2.5 | 19.8 68 | 5.0 0.2 | 6 | Surface of ground moist. | ||||||
| August 17, Monday | 23 | 21.0 70 | 685.2 26.98 913.53 913.53 | 96 | Wind blowing from the west-northwest | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 2 m/s 7 km/h 4 mph 4 knots 2 Bft | 20.4 69 | No precipitation No precipitation | 1 | |||||||||||||||||||
22 | 21.0 70 | 685.1 26.97 913.39 913.39 | 97 | Wind blowing from the north-east | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 20.5 69 | No precipitation No precipitation | 1 | |||||||||||||||||||||
21 | 21.6 71 | 685.7 27 914.19 914.19 | 759.3 29.89 1012.32 1012.32 | 0.4 0.02 0.53 0.53 | 94 | Wind blowing from the east-northeast | 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 | Clouds generally dissolving or becoming less developed. | Thunderstorm(s) with or without precipitation. | Rain. | 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 | 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 | 20.6 69 | Surface of ground wet (standing water in small or large pools on surface). | ||||||||||
20 | 20.6 69 | 684.2 26.94 912.19 912.19 | 96 | Wind blowing from the east-northeast | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 2 m/s 7 km/h 4 mph 4 knots 2 Bft | 20.0 68 | No precipitation No precipitation | 1 | ||||||||||||||||||||
19 | 21.0 70 | 684.4 26.94 912.46 912.46 | 97 | Wind blowing from the east-southeast | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 2 m/s 7 km/h 4 mph 4 knots 2 Bft | 20.5 69 | 4.0 0.16 | 1 | ||||||||||||||||||||
18 | 21.1 70 | 685.3 26.98 913.66 913.66 | 759.4 29.9 1012.45 1012.45 | 1.5 0.06 2 2 | 95 | Wind blowing from the north-northeast | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 100%. 10/10. 8 oktas | Rain, not freezing, continuous, moderate at time of observation. | Thunderstorm(s) with or without precipitation. | Rain. | 18.7 66 | 29.1 84 | Stratocumulus other than Stratocumulus cumulogenitus. | 100%. 10/10. 8 oktas | 300-600 984-1968 | No Altocumulus, Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 3.0 1.9 | 20.3 69 | 72.0 2.83 | 6 | Surface of ground wet (standing water in small or large pools on surface). | ||||||
17 | 20.9 70 | 683.5 26.91 911.26 911.26 | 96 | Wind blowing from the west | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 11 m/s 40 km/h 25 miles/hour 21 mile/hour 6 Bft | 20.3 69 | 14.0 0.55 | 1 | ||||||||||||||||||||
16 | 23.1 74 | 683.3 26.9 910.99 910.99 | 87 | Wind blowing from the north-west | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 13 m/s 47 km/h 29 miles/hour 25 knots 6 Bft | 20.8 69 | 12.0 0.47 | 1 | ||||||||||||||||||||