{"icao":"ULPB","name":"Petrozavodsk Airport","lat":61.8852,"lon":34.1547,"country":"RU","tz":"Europe/Moscow","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":61,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["October","September"],"monthlyHours":[6,2,2,2,4,1,2,4,14,15,6,5],"medianEventHours":1,"season":{"summary":"Fog season is January, May, August, September, October, November, December, peaking in October; fog is mostly a 11 PM\u20138 AM phenomenon; typically thinning out by 11 AM; a typical event lasts about 1 hour (local time, 10-year average).","months":["January","May","August","September","October","November","December"],"timeOfDay":"11 PM\u20138 AM","typicallyClearsBy":"11 AM"}},"forecast":{"covered":false,"public":false,"wording":"No fog forecast feed exists for this station. September typically brings about 14 hours of dense fog here (10-year average)."},"links":{"page":"https://fogatlas.org/fog/ulpb/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=ULPB","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/ULPB.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}