{"icao":"CYSB","name":"Sudbury Airport","lat":46.625,"lon":-80.7989,"country":"CA","tz":"America/Toronto","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":138,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["December","November"],"monthlyHours":[10,11,15,13,5,4,4,8,14,14,17,24],"medianEventHours":2,"season":{"summary":"Fog season runs August through April, peaking in December; fog is mostly a 3 AM\u201310 AM phenomenon; typically thinning out by 2 PM; a typical event lasts about 2 hours (local time, 10-year average).","months":["January","February","March","April","August","September","October","November","December"],"timeOfDay":"3 AM\u201310 AM","typicallyClearsBy":"2 PM"}},"forecast":{"covered":true,"public":true,"cycle":"2026-09-04T13:00:00Z","peakPct":7,"peakAtLocal":"2026-09-05T07:00:00-04:00","wording":"No, fog is unlikely in the next 36 hours \u2014 the calibrated forecast peaks at just 7%. September typically brings about 14 hours of dense fog here."},"links":{"page":"https://fogatlas.org/fog/cysb/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=CYSB","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/CYSB.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}