{"icao":"CYMA","name":"Mayo Airport","lat":63.6164,"lon":-135.868,"country":"CA","tz":"America/Whitehorse","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":15,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["September","October"],"monthlyHours":[1,0,0,0,0,1,1,2,4,3,3,1],"medianEventHours":1,"season":{"summary":"Fog season runs August through November, peaking in September; fog is mostly a 7 AM\u201311 AM phenomenon; typically thinning out by 1 PM; a typical event lasts about 1 hour (local time, 10-year average).","months":["August","September","October","November"],"timeOfDay":"7 AM\u201311 AM","typicallyClearsBy":"1 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/cyma/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=CYMA","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/CYMA.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}