{"city":"Sundsvall/ H\u00e4rn\u00f6sand","region":"SE-Y","country":"SE","slug":"sundsvall-harnosand","updated":"2026-08-16T02:45Z","window":{"start":"2016-01-01","through":"2026-08-15"},"stations":[{"icao":"ESNN","name":"Sundsvall-H\u00e4rn\u00f6sand Airport","subCat1HoursPerYear":257,"forecast":"climatology"}],"primaryStation":"ESNN","forecast":{"covered":false,"public":false,"wording":"No fog forecast feed exists for this station. August typically brings about 23 hours of dense fog here (10-year average)."},"climatology":{"subCat1HoursPerYear":257,"fogSeasonPeakMonths":["November","September"],"medianEventHours":1,"season":{"summary":"Fog season runs July through May, peaking in November; fog is mostly a 8 PM\u20136 AM phenomenon; typically thinning out by 9 AM; a typical event lasts about 1 hour (local time, 10-year average).","months":["January","February","March","April","May","July","August","September","October","November","December"],"timeOfDay":"8 PM\u20136 AM","typicallyClearsBy":"9 AM"}},"links":{"page":"https://fogatlas.org/fog/city/sundsvall-harnosand/","stationPages":["https://fogatlas.org/fog/esnn/"],"verification":"https://fogatlas.org/fog/scorecard/"}}