. More than 500 mm (19 inches) of rain had fallen in one part of niigata prefecture in the 24 hours to 1:00 p.m. Outbreaks of heavy, thundery rain will arrive in a band from the south coast, moving northwest from 12am to 3pm. Winter storm Cleon, record lows US weather map today is completely insane. from www.slate.com Showers will deposit between 10mm and 20mm and hour for 15 hours over quite a. Full interactive map of hollow knight. More than 500 mm (19 inches) of rain had fallen in one part of niigata prefecture in the 24 hours to 1:00 p.m.