Climate Report over Japan
Monthly Highlights
- Monthly mean temperatures were significantly above normal from northern Japan to western Japan due to warm air inflow. Monthly precipitation amounts were significantly below normal on the Sea of Japan side of eastern Japan and monthly sunshine durations were above normal on the Pacific side of eastern Japan, because these regions were repeatedly under the influence of high pressure systems.
- In Okinawa/Amami, monthly precipitation amounts were significantly above normal and monthly sunshine durations were below normal due to the Baiu front and moist southerly air inflow.
Climate Anomaly Table Over Japan
Monthly Climate Anomaly over Japan
Time Series of Temperature Anomaly
Time Series of 10days Precipitation Amount Ratio and Sunshine Duration Ratio
10-day Mean Sea Level Pressure
10-day Mean 850hPa Temperature
10-day Mean 500hPa GeoPotential Height
10-day Mean Outgoing Longwave Radiation
Note: Figures of outgoing longwave radiation (OLR) in Monthly Report over Japan are based on the NOAA CPC Blended OLR data from the September 2023 report, while they were based on the NOAA CPC AVHRR OLR data until the August 2023 report.