{"icao":"ROYN","name":"Yonaguni Airport","lat":24.4673,"lon":122.9798,"country":"JP","tz":"Asia/Tokyo","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":12,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["September","July"],"monthlyHours":[0,0,1,1,1,1,2,1,3,1,1,0],"medianEventHours":1,"season":{"summary":"Fog season is July, September, peaking in September; fog is mostly a 2 PM\u20134 PM phenomenon; typically thinning out by 8 PM; a typical event lasts about 1 hour (local time, 10-year average).","months":["July","September"],"timeOfDay":"2 PM\u20134 PM","typicallyClearsBy":"8 PM"}},"forecast":{"covered":false,"public":false,"wording":"No fog forecast feed exists for this station. September typically brings about 3 hours of dense fog here (10-year average)."},"links":{"page":"https://fogatlas.org/fog/royn/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=ROYN","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/ROYN.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}