{"city":"St. Petersburg","region":"RU-SPE","country":"RU","slug":"st-petersburg","updated":"2026-08-16T02:45Z","window":{"start":"2016-01-01","through":"2026-08-15"},"stations":[{"icao":"ULLI","name":"Pulkovo Airport","subCat1HoursPerYear":75,"forecast":"climatology"}],"primaryStation":"ULLI","forecast":{"covered":false,"public":false,"wording":"No fog forecast feed exists for this station. August typically brings about 6 hours of dense fog here (10-year average)."},"climatology":{"subCat1HoursPerYear":75,"fogSeasonPeakMonths":["September","October"],"medianEventHours":1,"season":{"summary":"Fog season runs August through April, peaking in September; fog is mostly a 2 AM\u20139 AM phenomenon; typically thinning out by 11 AM; a typical event lasts about 1 hour (local time, 10-year average).","months":["January","February","March","April","August","September","October","November","December"],"timeOfDay":"2 AM\u20139 AM","typicallyClearsBy":"11 AM"}},"links":{"page":"https://fogatlas.org/fog/city/st-petersburg/","stationPages":["https://fogatlas.org/fog/ulli/"],"verification":"https://fogatlas.org/fog/scorecard/"}}