{"icao":"VIDN","name":"Dehradun Jolly Grant Airport","lat":30.1892,"lon":78.1767,"country":"IN","tz":"Asia/Kolkata","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":18,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["January","December"],"monthlyHours":[10,1,0,0,0,0,1,0,1,0,0,4],"medianEventHours":null,"season":{"summary":"Fog season runs December through January, peaking in January; fog is mostly a 6 AM\u20138 AM phenomenon; typically thinning out by 10 AM (local time, 10-year average).","months":["January","December"],"timeOfDay":"6 AM\u20138 AM","typicallyClearsBy":"10 AM"}},"forecast":{"covered":false,"public":false,"wording":"No fog forecast feed exists for this station. September typically brings about 1 hour of dense fog here (10-year average)."},"links":{"page":"https://fogatlas.org/fog/vidn/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=VIDN","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/VIDN.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}