Climate Report over Japan
Monthly Highlights
- Monthly precipitation amounts were significantly above normal in Hokkaido region of Japan due to strong influence of low pressure systems and fronts. On the Pacific side of eastern Japan, monthly sunshine durations were significantly above normal due to weak influence of the Baiu front and moist airflow. In Okinawa/Amami, 10-day precipitation amounts in mid-June were significantly above normal due to typhoons and moist airflow.
- Monthly mean temperatures were above normal all over Japan, except for the mid-June from northern to western Japan due to northerly cold airflow and
the appearance of the Okhotsk High.
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.