{"icao":"ESGT","name":"Trollh\u00e4ttan-V\u00e4nersborg Airport","lat":58.3181,"lon":12.345,"country":"SE","tz":"Europe/Stockholm","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":260,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["September","February"],"monthlyHours":[31,29,23,9,10,9,11,25,45,25,26,31],"medianEventHours":2,"season":{"summary":"Fog season runs August through March, peaking in September; fog is mostly a 9 PM\u20137 AM phenomenon; typically thinning out by 9 AM; a typical event lasts about 2 hours (local time, 10-year average).","months":["January","February","March","August","September","October","November","December"],"timeOfDay":"9 PM\u20137 AM","typicallyClearsBy":"9 AM"}},"forecast":{"covered":false,"public":false,"wording":"No fog forecast feed exists for this station. September typically brings about 45 hours of dense fog here (10-year average)."},"links":{"page":"https://fogatlas.org/fog/esgt/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=ESGT","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/ESGT.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}