{"icao":"CYSF","name":"Stony Rapids Airport","lat":59.2503,"lon":-105.841,"country":"CA","tz":"America/Regina","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":93,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["September","August"],"monthlyHours":[8,4,2,1,2,2,8,16,26,15,7,7],"medianEventHours":1,"season":{"summary":"Fog season runs July through January, peaking in September; fog is mostly a 4 AM\u20138 AM phenomenon; typically thinning out by 11 AM; a typical event lasts about 1 hour (local time, 10-year average).","months":["January","July","August","September","October","November","December"],"timeOfDay":"4 AM\u20138 AM","typicallyClearsBy":"11 AM"}},"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 26 hours of dense fog here."},"links":{"page":"https://fogatlas.org/fog/cysf/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=CYSF","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/CYSF.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}