{"icao":"RJEC","name":"Asahikawa Airport","lat":43.6708,"lon":142.447,"country":"JP","tz":"Asia/Tokyo","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":84,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["October","December"],"monthlyHours":[14,10,10,2,5,7,4,9,16,25,21,22],"medianEventHours":1,"season":{"summary":"Fog season is January, February, March, June, August, September, October, November, December, peaking in October; fog is mostly a 1 AM\u20136 AM phenomenon; typically thinning out by 8 AM; a typical event lasts about 1 hour (local time, 10-year average).","months":["January","February","March","June","August","September","October","November","December"],"timeOfDay":"1 AM\u20136 AM","typicallyClearsBy":"8 AM"}},"forecast":{"covered":false,"public":false,"wording":"No fog forecast feed exists for this station. September typically brings about 16 hours of dense fog here (10-year average)."},"links":{"page":"https://fogatlas.org/fog/rjec/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=RJEC","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/RJEC.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}