{"icao":"CYBW","name":"Calgary / Springbank Airport","lat":51.104,"lon":-114.3694,"country":"CA","tz":"America/Edmonton","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":100,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["December","November"],"monthlyHours":[11,7,12,5,4,1,6,6,7,14,14,15],"medianEventHours":2,"season":{"summary":"Fog season runs July through May, peaking in December; fog is mostly a 3 AM\u20139 AM phenomenon; typically thinning out by 10 AM; a typical event lasts about 2 hours (local time, 10-year average).","months":["January","February","March","April","May","July","August","September","October","November","December"],"timeOfDay":"3 AM\u20139 AM","typicallyClearsBy":"10 AM"}},"forecast":{"covered":true,"public":true,"cycle":"2026-09-04T13:00:00Z","peakPct":5,"peakAtLocal":"2026-09-05T07:00:00-06:00","wording":"No, fog is unlikely in the next 36 hours \u2014 the calibrated forecast peaks at just 5%. September typically brings about 7 hours of dense fog here."},"links":{"page":"https://fogatlas.org/fog/cybw/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=CYBW","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/CYBW.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}