{"icao":"KESC","name":"Delta County Airport","lat":45.7232,"lon":-87.0886,"country":"US","tz":"America/Detroit","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":86,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["September","December"],"monthlyHours":[4,5,8,5,6,4,6,10,16,9,3,12],"medianEventHours":1,"season":{"summary":"Fog season runs December through October, peaking in September; fog is mostly a 2 AM\u20138 AM phenomenon; typically thinning out by 10 AM; a typical event lasts about 1 hour (local time, 10-year average).","months":["January","February","March","April","May","June","July","August","September","October","December"],"timeOfDay":"2 AM\u20138 AM","typicallyClearsBy":"10 AM"}},"forecast":{"covered":true,"public":true,"cycle":"2026-09-04T13:00:00Z","peakPct":6,"peakAtLocal":"2026-09-05T06:00:00-04:00","wording":"No, fog is unlikely in the next 36 hours \u2014 the calibrated forecast peaks at just 6%. September typically brings about 16 hours of dense fog here."},"links":{"page":"https://fogatlas.org/fog/kesc/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=KESC","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/KESC.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}