{"city":"Matsudo","region":"JP-12","country":"JP","slug":"matsudo","updated":"2026-08-16T02:45Z","window":{"start":"2016-01-01","through":"2026-08-15"},"stations":[{"icao":"RJTL","name":"JMSDF Shimofusa Air Base","subCat1HoursPerYear":91,"forecast":"climatology"}],"primaryStation":"RJTL","forecast":{"covered":false,"public":false,"wording":"No fog forecast feed exists for this station. dense fog (visibility under a mile) is rare here in August (10-year average)."},"climatology":{"subCat1HoursPerYear":91,"fogSeasonPeakMonths":["November","February"],"medianEventHours":1,"season":{"summary":"Fog season is February, March, April, October, November, peaking in November; fog is mostly a 2 AM\u20132 AM phenomenon; typically thinning out by 3 AM; a typical event lasts about 1 hour (local time, 10-year average).","months":["February","March","April","October","November"],"timeOfDay":"2 AM\u20132 AM","typicallyClearsBy":"3 AM"}},"links":{"page":"https://fogatlas.org/fog/city/matsudo/","stationPages":["https://fogatlas.org/fog/rjtl/"],"verification":"https://fogatlas.org/fog/scorecard/"}}