{"icao":"CYRQ","name":"Trois-Rivi\u00e8res Airport","lat":46.3528,"lon":-72.6794,"country":"CA","tz":"America/Toronto","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":75,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["December","October"],"monthlyHours":[6,6,8,7,2,3,2,3,8,10,8,13],"medianEventHours":2,"season":{"summary":"Fog season runs September through April, peaking in December; fog is mostly a 3 AM\u20139 AM phenomenon; typically thinning out by noon; a typical event lasts about 2 hours (local time, 10-year average).","months":["January","February","March","April","September","October","November","December"],"timeOfDay":"3 AM\u20139 AM","typicallyClearsBy":"noon"}},"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 8 hours of dense fog here."},"links":{"page":"https://fogatlas.org/fog/cyrq/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=CYRQ","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/CYRQ.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}