{"icao":"CYYY","name":"Mont Joli Airport","lat":48.6086,"lon":-68.2081,"country":"CA","tz":"America/Toronto","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":82,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["June","April"],"monthlyHours":[9,7,9,10,4,13,9,5,7,4,1,3],"medianEventHours":1,"season":{"summary":"Fog season runs January through October, peaking in June; fog here can hit at any hour of the day; a typical event lasts about 1 hour (local time, 10-year average).","months":["January","February","March","April","May","June","July","August","September","October"],"timeOfDay":"any hour of the day","typicallyClearsBy":null}},"forecast":{"covered":true,"public":true,"cycle":"2026-09-04T13:00:00Z","peakPct":34,"peakAtLocal":"2026-09-04T10:00:00-04:00","wording":"Some chance of fog: the calibrated forecast peaks at 34% (visibility under 1 mile) around 10 am Friday."},"links":{"page":"https://fogatlas.org/fog/cyyy/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=CYYY","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/CYYY.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}