{"city":"Matsumoto","region":"JP-20","country":"JP","slug":"matsumoto","updated":"2026-08-16T02:45Z","window":{"start":"2016-01-01","through":"2026-08-15"},"stations":[{"icao":"RJAF","name":"Shinshu-Matsumoto Airport","subCat1HoursPerYear":18,"forecast":"climatology"}],"primaryStation":"RJAF","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":18,"fogSeasonPeakMonths":["March","February"],"medianEventHours":1,"season":{"summary":"Fog season is February, March, November, peaking in March; fog is mostly a 8 AM\u20138 AM phenomenon; typically thinning out by 11 AM; a typical event lasts about 1 hour (local time, 10-year average).","months":["February","March","November"],"timeOfDay":"8 AM\u20138 AM","typicallyClearsBy":"11 AM"}},"links":{"page":"https://fogatlas.org/fog/city/matsumoto/","stationPages":["https://fogatlas.org/fog/rjaf/"],"verification":"https://fogatlas.org/fog/scorecard/"}}