{"icao":"LESO","name":"San Sebasti\u00e1n Airport","lat":43.3565,"lon":-1.7906,"country":"ES","tz":"Europe/Madrid","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":14,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["December","January"],"monthlyHours":[4,1,1,1,0,0,0,0,0,2,1,4],"medianEventHours":2,"season":{"summary":"Fog season is January, October, December, peaking in January; fog is mostly a 6 AM\u20139 AM phenomenon; typically thinning out by 1 PM; a typical event lasts about 2 hours (local time, 10-year average).","months":["January","October","December"],"timeOfDay":"6 AM\u20139 AM","typicallyClearsBy":"1 PM"}},"forecast":{"covered":false,"public":false,"wording":"No fog forecast feed exists for this station. dense fog (visibility under a mile) is rare here in September (10-year average)."},"links":{"page":"https://fogatlas.org/fog/leso/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=LESO","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/LESO.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}