{"icao":"RKNN","name":"Gangneung Airport (K-18)","lat":37.7536,"lon":128.9439,"country":"KR","tz":"Asia/Seoul","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":22,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["May","March"],"monthlyHours":[0,0,4,0,15,0,0,0,0,0,0,0],"medianEventHours":null,"season":{"summary":"Fog season is March, May, peaking in May; fog is mostly a 8 PM\u20138 PM phenomenon; typically thinning out by 9 PM (local time, 10-year average).","months":["March","May"],"timeOfDay":"8 PM\u20138 PM","typicallyClearsBy":"9 PM"}},"forecast":{"covered":false,"public":false,"wording":"No fog forecast feed exists for this station. dense fog (visibility under a mile) is rare here in September (10-year average)."},"links":{"page":"https://fogatlas.org/fog/rknn/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=RKNN","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/RKNN.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}