{"icao":"EETU","name":"Tartu Airport","lat":58.3074,"lon":26.6865,"country":"EE","tz":"Europe/Tallinn","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":131,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["September","October"],"monthlyHours":[14,14,11,6,5,4,7,12,20,16,13,13],"medianEventHours":2,"season":{"summary":"Fog season runs July through May, peaking in September; fog is mostly a 11 PM\u20138 AM phenomenon; typically thinning out by 10 AM; a typical event lasts about 2 hours (local time, 10-year average).","months":["January","February","March","April","May","July","August","September","October","November","December"],"timeOfDay":"11 PM\u20138 AM","typicallyClearsBy":"10 AM"}},"forecast":{"covered":false,"public":false,"wording":"No fog forecast feed exists for this station. September typically brings about 20 hours of dense fog here (10-year average)."},"links":{"page":"https://fogatlas.org/fog/eetu/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=EETU","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/EETU.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}