{"icao":"CYVR","name":"Vancouver International Airport","lat":49.1939,"lon":-123.184,"country":"CA","tz":"America/Vancouver","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":41,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["January","December"],"monthlyHours":[20,2,0,0,0,0,0,0,1,4,3,12],"medianEventHours":1,"season":{"summary":"Fog season runs December through January, peaking in January; fog here can hit at any hour of the day; a typical event lasts about 1 hour (local time, 10-year average).","months":["January","December"],"timeOfDay":"any hour of the day","typicallyClearsBy":null}},"forecast":{"covered":true,"public":false,"cycle":"2026-09-04T13:00:00Z","guidanceSignal":false,"wording":"No fog signal in NWS guidance for the next 48 hours. September typically brings about 1 hour of dense fog here."},"links":{"page":"https://fogatlas.org/fog/cyvr/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=CYVR","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/CYVR.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}