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 September 11, Friday | 16 | 22.1 72 | 682.3 26.86 909.66 909.66 | 89 | Wind blowing from the east-southeast | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 10 m/s 36 km/h 22 mph 19 knots 5 Bft | 20.2 68 | 1.0 0.04 | 1 | |||||||||||||||||||
15 | 23.7 75 | 683.2 26.9 910.86 910.86 | 756.7 29.79 1008.85 1008.85 | -0.6 -0.02 -0.8 -0.8 | 78 | 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 | Rain, not freezing, continuous, slight at time of observation. | Rain. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus. | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | 300-600 984-1968 | No Altocumulus, Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 8.0 5.0 | 19.7 67 | Surface of ground wet (standing water in small or large pools on surface). | ||||||||||
14 | 29.7 85 | 682.1 26.85 909.39 909.39 | 51 | Wind blowing from the east | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 10 m/s 36 km/h 22 mph 19 knots 5 Bft | 18.6 65 | No precipitation No precipitation | 1 | ||||||||||||||||||||
13 | 30.4 87 | 682.9 26.89 910.46 910.46 | 49 | Wind blowing from the east | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 12 m/s 43 km/h 27 miles/hour 23 knots 6 Bft | 18.5 65 | No precipitation No precipitation | 1 | ||||||||||||||||||||
12 | 30.2 86 | 683.8 26.92 911.66 911.66 | 756.7 29.79 1008.85 1008.85 | -0.7 -0.03 -0.93 -0.93 | 50 | Wind blowing from the east | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 40%. 4/10. 3 oktas | 19.3 67 | 30.8 87 | Stratocumulus other than Stratocumulus cumulogenitus. | 20–30%. 2/10–3/10. 2 oktas | 1000-1500 3281-4921 | No Altocumulus, Altostratus or Nimbostratus. | Cirrus spissatus cumulonimbogenitus. | 20.0 12.4 | 18.5 65 | Dry (without cracks, no appreciable amount of dust or loose sand) | |||||||||||
11 | 29.6 85 | 683.8 26.92 911.66 911.66 | 52 | Wind blowing from the east-northeast | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 11 m/s 40 km/h 25 miles/hour 21 mile/hour 6 Bft | 18.8 66 | No precipitation No precipitation | 1 | ||||||||||||||||||||
10 | 28.7 84 | 684.1 26.93 912.06 912.06 | 56 | Wind blowing from the east | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 10 m/s 36 km/h 22 mph 19 knots 5 Bft | 19.1 66 | No precipitation No precipitation | 1 | ||||||||||||||||||||
09 | 27.3 81 | 684.5 26.95 912.59 912.59 | 757.6 29.83 1010.05 1010.05 | 1.4 0.06 1.87 1.87 | 59 | Wind blowing from the east-southeast | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 50%. 5/10. 4 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. | Cirrus fibratus, sometimes uncinus, not progressively invading the sky. | 20.0 12.4 | 18.7 66 | Dry (without cracks, no appreciable amount of dust or loose sand) | |||||||||||||
08 | 25.3 78 | 683.5 26.91 911.26 911.26 | 71 | Wind blowing from the east | 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 | 19.6 67 | No precipitation No precipitation | 1 | ||||||||||||||||||||
07 | 23.4 74 | 683.1 26.89 910.73 910.73 | 76 | Wind blowing from the north-east | 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 | 19.0 66 | No precipitation No precipitation | 1 | ||||||||||||||||||||
06 | 23.0 73 | 683.1 26.89 910.73 910.73 | 756.3 29.78 1008.32 1008.32 | -0.1 -0 -0.13 -0.13 | 75 | Wind blowing from the east-northeast | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | 19.3 67 | 30.7 87 | 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. | Cirrus fibratus, sometimes uncinus, not progressively invading the sky. | 20.0 12.4 | 18.4 65 | Dry (without cracks, no appreciable amount of dust or loose sand) | |||||||||||
05 | 22.3 72 | 682.1 26.85 909.39 909.39 | 77 | Wind blowing from the east-southeast | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 10 m/s 36 km/h 22 mph 19 knots 5 Bft | 18.1 65 | No precipitation No precipitation | 1 | ||||||||||||||||||||
04 | 22.0 72 | 682.3 26.86 909.66 909.66 | 78 | Wind blowing from the east-southeast | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 10 m/s 36 km/h 22 mph 19 knots 5 Bft | 17.9 64 | No precipitation No precipitation | 1 | ||||||||||||||||||||
03 | 22.0 72 | 683.2 26.9 910.86 910.86 | 756.4 29.78 1008.45 1008.45 | -1.6 -0.06 -2.13 -2.13 | 76 | Wind blowing from the east-southeast | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 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 | 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) | |||||||||||||
02 | 20.6 69 | 683.3 26.9 910.99 910.99 | 85 | 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 | 17.9 64 | No precipitation No precipitation | 1 | ||||||||||||||||||||
01 | 20.1 68 | 683.8 26.92 911.66 911.66 | 86 | Wind blowing from the east-northeast | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 3 m/s 11 km/h 7 miles/hour 6 knots 2 Bft | 17.7 64 | No precipitation No precipitation | 1 | ||||||||||||||||||||
00 | 20.6 69 | 684.8 26.96 912.99 912.99 | 758.0 29.84 1010.58 1010.58 | 0.1 0 0.13 0.13 | 84 | Wind blowing from the east-northeast | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 20.1 68 | 30.7 87 | 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. | No Cirrus, Cirrocumulus or Cirrostratus. | 20.0 12.4 | 17.8 64 | Surface of ground moist. | |||||||||||
| September 10, Thursday | 23 | 22.0 72 | 684.5 26.95 912.59 912.59 | 79 | Wind blowing from the north-west | 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 | 18.2 65 | No precipitation No precipitation | 1 | |||||||||||||||||||
22 | 22.8 73 | 684.6 26.95 912.73 912.73 | 75 | Wind blowing from the east-northeast | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 18.1 65 | No precipitation No precipitation | 1 | |||||||||||||||||||||
21 | 23.3 74 | 684.7 26.96 912.86 912.86 | 757.9 29.84 1010.45 1010.45 | 2.1 0.08 2.8 2.8 | 73 | Wind blowing from the east-southeast | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 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 | No Altocumulus, 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 | 18.1 65 | Dry (without cracks, no appreciable amount of dust or loose sand) | |||||||||||||
20 | 24.0 75 | 683.1 26.89 910.73 910.73 | 70 | Wind blowing from the east-southeast | 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 | 18.1 65 | No precipitation No precipitation | 1 | ||||||||||||||||||||
19 | 25.1 77 | 682.3 26.86 909.66 909.66 | 59 | Wind blowing from the east-southeast | 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 | 16.6 62 | No precipitation No precipitation | 1 | ||||||||||||||||||||
18 | 25.0 77 | 682.6 26.87 910.06 910.06 | 755.8 29.76 1007.65 1007.65 | -0.5 -0.02 -0.67 -0.67 | 60 | Wind blowing from the east-southeast | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 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. | Rain. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | 20.9 70 | 30.7 87 | 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. | 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 | 16.8 62 | Dry (without cracks, no appreciable amount of dust or loose sand) | ||||||||
17 | 24.5 76 | 682.1 26.85 909.39 909.39 | 72 | Wind blowing from the east-southeast | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 7 m/s 25 km/h 16 miles/hour 14 knots 4 Bft | 19.0 66 | No precipitation No precipitation | 1 | ||||||||||||||||||||
16 | 24.1 75 | 682.6 26.87 910.06 910.06 | 73 | Wind blowing from the east-southeast | 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 | 18.9 66 | No precipitation No precipitation | 1 | ||||||||||||||||||||