Climate Report over Japan
Monthly Highlights
- In northern Japan, monthly sunshine durations were significantly above normal and monthly precipitation amounts were below normal because high pressure systems tended to cover the region.
- In eastern Japan, monthly mean temperatures were below normal as cold air often affected the region.
- In Okinawa/Amami, monthly mean temperatures and monthly precipitation amounts were above normal due to warm and moist southerly airflow.
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.