{"icao":"EFTU","name":"Turku Airport","lat":60.5141,"lon":22.2628,"country":"FI","tz":"Europe/Helsinki","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":221,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["January","February"],"monthlyHours":[30,27,29,11,9,4,7,20,18,19,20,28],"medianEventHours":1,"season":{"summary":"Fog season runs August through May, peaking in January; fog is mostly a midnight\u201310 AM phenomenon; typically thinning out by 4 PM; a typical event lasts about 1 hour (local time, 10-year average).","months":["January","February","March","April","May","August","September","October","November","December"],"timeOfDay":"midnight\u201310 AM","typicallyClearsBy":"4 PM"}},"forecast":{"covered":false,"public":false,"wording":"No fog forecast feed exists for this station. September typically brings about 18 hours of dense fog here (10-year average)."},"links":{"page":"https://fogatlas.org/fog/eftu/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=EFTU","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/EFTU.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}