{"icao":"CYZF","name":"Yellowknife International Airport","lat":62.4628,"lon":-114.44,"country":"CA","tz":"America/Edmonton","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":26,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["October","September"],"monthlyHours":[1,1,0,1,1,2,0,0,4,9,3,3],"medianEventHours":1,"season":{"summary":"Fog season runs September through December, peaking in October; fog is mostly a 6 AM\u201310 AM phenomenon; typically thinning out by 4 PM; a typical event lasts about 1 hour (local time, 10-year average).","months":["September","October","November","December"],"timeOfDay":"6 AM\u201310 AM","typicallyClearsBy":"4 PM"}},"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 4 hours of dense fog here."},"links":{"page":"https://fogatlas.org/fog/cyzf/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=CYZF","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/CYZF.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}