{"icao":"ESNU","name":"Ume\u00e5 Airport","lat":63.7918,"lon":20.2828,"country":"SE","tz":"Europe/Stockholm","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":219,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["September","October"],"monthlyHours":[16,19,22,13,11,12,15,21,32,27,18,15],"medianEventHours":2,"season":{"summary":"Fog season is year-round, peaking in September; fog is mostly a 11 PM\u20135 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":"11 PM\u20135 AM","typicallyClearsBy":"8 AM"}},"forecast":{"covered":false,"public":false,"wording":"No fog forecast feed exists for this station. September typically brings about 32 hours of dense fog here (10-year average)."},"links":{"page":"https://fogatlas.org/fog/esnu/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=ESNU","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/ESNU.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}