{"icao":"RJAH","name":"Ibaraki Airport","lat":36.1815,"lon":140.4144,"country":"JP","tz":"Asia/Tokyo","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":72,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["November","July"],"monthlyHours":[4,3,5,8,4,6,11,3,4,4,12,8],"medianEventHours":2,"season":{"summary":"Fog season is year-round, peaking in November; fog is mostly a 2 AM\u20137 AM phenomenon; typically thinning out by 8 AM; a typical event lasts about 2 hours (local time, 10-year average).","months":["January","February","March","April","May","June","July","August","September","October","November","December"],"timeOfDay":"2 AM\u20137 AM","typicallyClearsBy":"8 AM"}},"forecast":{"covered":false,"public":false,"wording":"No fog forecast feed exists for this station. September typically brings about 4 hours of dense fog here (10-year average)."},"links":{"page":"https://fogatlas.org/fog/rjah/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=RJAH","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/RJAH.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}