{"icao":"KAPA","name":"Centennial Airport","lat":39.5701,"lon":-104.849,"country":"US","tz":"America/Denver","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":20,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["March","February"],"monthlyHours":[3,4,4,3,1,0,0,0,1,2,2,1],"medianEventHours":1,"season":{"summary":"Fog season is January, February, March, April, October, November, peaking in February; fog is mostly a 5 AM\u20133 PM phenomenon; typically thinning out by 4 PM; a typical event lasts about 1 hour (local time, 10-year average).","months":["January","February","March","April","October","November"],"timeOfDay":"5 AM\u20133 PM","typicallyClearsBy":"4 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. September typically brings about 1 hour of dense fog here."},"links":{"page":"https://fogatlas.org/fog/kapa/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=KAPA","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/KAPA.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}