{"icao":"KAWO","name":"Arlington Municipal Airport","lat":48.1614,"lon":-122.1584,"country":"US","tz":"America/Los_Angeles","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":154,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["October","December"],"monthlyHours":[26,15,5,2,3,1,2,4,17,34,18,30],"medianEventHours":1,"season":{"summary":"Fog season runs September through February, peaking in October; fog is mostly a 10 PM\u20138 AM phenomenon; typically thinning out by 10 AM; a typical event lasts about 1 hour (local time, 10-year average).","months":["January","February","September","October","November","December"],"timeOfDay":"10 PM\u20138 AM","typicallyClearsBy":"10 AM"}},"forecast":{"covered":true,"public":true,"cycle":"2026-09-04T13:00:00Z","peakPct":9,"peakAtLocal":"2026-09-05T08:00:00-07:00","wording":"No, fog is unlikely in the next 36 hours \u2014 the calibrated forecast peaks at just 9%. September typically brings about 17 hours of dense fog here."},"links":{"page":"https://fogatlas.org/fog/kawo/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=KAWO","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/KAWO.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}