{"icao":"CYHY","name":"Hay River / Merlyn Carter Airport","lat":60.8397,"lon":-115.783,"country":"CA","tz":"America/Edmonton","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":25,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["November","October"],"monthlyHours":[2,1,1,1,1,2,1,2,1,4,5,3],"medianEventHours":1,"season":{"summary":"Fog season is January, June, August, October, November, December, peaking in November; fog is mostly a 5 AM\u2013noon phenomenon; a typical event lasts about 1 hour (local time, 10-year average).","months":["January","June","August","October","November","December"],"timeOfDay":"5 AM\u2013noon","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/cyhy/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=CYHY","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/CYHY.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}