{"icao":"UIBB","name":"Bratsk Airport","lat":56.3696,"lon":101.7018,"country":"RU","tz":"Asia/Irkutsk","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":110,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["February","December"],"monthlyHours":[15,17,7,5,3,3,8,14,13,5,7,15],"medianEventHours":1,"season":{"summary":"Fog season runs July through April, peaking in February; fog is mostly a 3 AM\u201310 AM phenomenon; typically thinning out by noon; a typical event lasts about 1 hour (local time, 10-year average).","months":["January","February","March","April","July","August","September","October","November","December"],"timeOfDay":"3 AM\u201310 AM","typicallyClearsBy":"noon"}},"forecast":{"covered":false,"public":false,"wording":"No fog forecast feed exists for this station. September typically brings about 13 hours of dense fog here (10-year average)."},"links":{"page":"https://fogatlas.org/fog/uibb/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=UIBB","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/UIBB.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}