{"icao":"ESOW","name":"Stockholm V\u00e4ster\u00e5s Airport","lat":59.5894,"lon":16.6336,"country":"SE","tz":"Europe/Stockholm","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":171,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["September","January"],"monthlyHours":[25,13,20,6,3,5,6,12,26,17,17,24],"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 10 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":"10 AM"}},"forecast":{"covered":false,"public":false,"wording":"No fog forecast feed exists for this station. September typically brings about 26 hours of dense fog here (10-year average)."},"links":{"page":"https://fogatlas.org/fog/esow/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=ESOW","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/ESOW.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}