{"icao":"KDEN","name":"Denver International Airport","lat":39.86,"lon":-104.6738,"country":"US","tz":"America/Denver","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":76,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["February","March"],"monthlyHours":[10,16,11,10,7,1,1,2,2,6,8,2],"medianEventHours":2,"season":{"summary":"Fog season is January, February, March, April, May, October, November, peaking in February; fog is mostly a 1 AM\u20139 AM phenomenon; a typical event lasts about 2 hours (local time, 10-year average).","months":["January","February","March","April","May","October","November"],"timeOfDay":"1 AM\u20139 AM","typicallyClearsBy":null}},"forecast":{"covered":true,"public":true,"cycle":"2026-09-04T13:00:00Z","peakPct":0,"peakAtLocal":"2026-09-04T08:00:00-06:00","wording":"No, fog is unlikely in the next 36 hours \u2014 the calibrated forecast peaks at just 0%. September typically brings about 2 hours of dense fog here."},"links":{"page":"https://fogatlas.org/fog/kden/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=KDEN","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/KDEN.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}