{"icao":"VTCT","name":"Mae Fah Luang - Chiang Rai International Airport","lat":19.9523,"lon":99.8829,"country":"TH","tz":"Asia/Bangkok","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":28,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["December","January"],"monthlyHours":[6,1,1,0,0,0,0,0,1,2,5,14],"medianEventHours":1,"season":{"summary":"Fog season runs November through January, peaking in December; fog is mostly a 6 AM\u20138 AM phenomenon; typically thinning out by 9 AM; a typical event lasts about 1 hour (local time, 10-year average).","months":["January","November","December"],"timeOfDay":"6 AM\u20138 AM","typicallyClearsBy":"9 AM"}},"forecast":{"covered":false,"public":false,"wording":"No fog forecast feed exists for this station. September typically brings about 1 hour of dense fog here (10-year average)."},"links":{"page":"https://fogatlas.org/fog/vtct/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=VTCT","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/VTCT.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}