{"icao":"VTCN","name":"Nan Airport","lat":18.8079,"lon":100.783,"country":"TH","tz":"Asia/Bangkok","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":69,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["December","November"],"monthlyHours":[11,0,0,0,0,0,1,0,1,3,12,19],"medianEventHours":1,"season":{"summary":"Fog season runs November through January, peaking in December; fog is mostly a 7 AM\u20137 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":"7 AM\u20137 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/vtcn/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=VTCN","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/VTCN.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}