{"icao":"CYDF","name":"Deer Lake Airport","lat":49.2082,"lon":-57.3961,"country":"CA","tz":"America/St_Johns","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":22,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["October","August"],"monthlyHours":[1,2,1,1,0,1,1,4,3,6,1,1],"medianEventHours":1,"season":{"summary":"Fog season is February, August, September, October, peaking in October; fog is mostly a 6 AM\u20138 AM phenomenon; typically thinning out by 10 AM; a typical event lasts about 1 hour (local time, 10-year average).","months":["February","August","September","October"],"timeOfDay":"6 AM\u20138 AM","typicallyClearsBy":"10 AM"}},"forecast":{"covered":true,"public":false,"inIssuance":false,"wording":"Forecast feed initializing for this station. September typically brings about 3 hours of dense fog here (10-year average)."},"links":{"page":"https://fogatlas.org/fog/cydf/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=CYDF","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/CYDF.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}