{"icao":"KASE","name":"Aspen-Pitkin County Airport (Sardy Field)","lat":39.2232,"lon":-106.869,"country":"US","tz":"America/Denver","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":14,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["February","March"],"monthlyHours":[2,3,2,1,0,0,0,0,0,2,1,2],"medianEventHours":1,"season":{"summary":"Fog season is January, February, March, October, December, peaking in February; fog is mostly a 11 AM\u20134 PM phenomenon; typically thinning out by 6 PM; a typical event lasts about 1 hour (local time, 10-year average).","months":["January","February","March","October","December"],"timeOfDay":"11 AM\u20134 PM","typicallyClearsBy":"6 PM"}},"forecast":{"covered":true,"public":false,"cycle":"2026-09-04T13:00:00Z","guidanceSignal":false,"wording":"No fog signal in NWS guidance for the next 48 hours. dense fog (visibility under a mile) is rare here in September."},"links":{"page":"https://fogatlas.org/fog/kase/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=KASE","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/KASE.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}