Climate Report over Japan
Seasonal Highlights
-Seasonal temperatures were significantly above normal nationwide due to weaker-than-normal winter monsoon, and warm air inflow mainly in February. The seasonal anomaly of the average temperature over Japan was +1.27 ℃ (the second highest for the season since 1898).
-Seasonal precipitation amounts were above normal on the Sea of Japan side of eastern Japan due to stronger influences of winter monsoon and low-pressure systems mainly in December, and on the Sea of Japan side and on the Pacific side of western Japan due to stronger influences of low-pressure systems and fronts in February. On the other hand, they were below normal in Okinawa/Amami due to weaker influences of low-pressure systems and fronts.
-Seasonal sunshine durations were above normal on the Sea of Japan side of northern/eastern Japan, on the Pacific side of northern Japan, and Okinawa/Amami, due to weaker-than-normal winter monsoon and so on.
Climate Anomaly Table Over Japan
Seasonal Climate Anomaly over Japan
Monthly Mean 500hPa GeoPotential Height
