{"icao":"LSGS","name":"Sion Airport","lat":46.2192,"lon":7.3269,"country":"CH","tz":"Europe/Zurich","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":20,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["December","January"],"monthlyHours":[7,1,0,0,0,0,0,0,0,0,3,10],"medianEventHours":1,"season":{"summary":"Fog season runs November through January, peaking in December; fog is mostly a 11 PM\u201311 AM phenomenon; a typical event lasts about 1 hour (local time, 10-year average).","months":["January","November","December"],"timeOfDay":"11 PM\u201311 AM","typicallyClearsBy":null}},"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/lsgs/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=LSGS","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/LSGS.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}