SUITA, OSAKA, JAPAN

Contacts: Dr. Ryuji Satoh Department of Architectural Engineering Faculty of Engineering Osaka University 2-1 Yamadaoka, Suita, Osaka, Japan Tel : (81) 06 877 5111 Fax : (81) 06 877 1658 E-mail : Server :	Station Location: Suita, Osaka, Japan. Latitude: 34°54' N Longitude: 135°30' E Height above sea level: 60 m. Local Time: GMT+9 Code: JPN8 Type: Basic class. Operation: started on June 1, 1991.
Topographic map showing the land within a 5 km radius of the station location

SUITA, OSAKA, JAPAN

Site surroundings: Suita is located 20 km north-north-west of Osaka. Within a 5 km radius of the station, 70% of the land is suburban housing with road and garden, 30% is parkland including hills with miscellaneous trees. The Meishin motorway is 2 km south-east and the Chugoku motorway is 1.5 km south from the measurement site.	Climate characteristics: Climate is temperate monsoon with dry and mild winter and wet and hot summers. Average temperature is 5.5 °C in January, 27.0 °C in July, and 16.3 °C in the year. The annual sunshine duration is 1944 hours. The dominant sky in summer is partly cloudy and in winter is clear. The closest weather station is Osaka meteorological observatory, 20 km south of Suita.
Map showing the immediate surroundings of the station

SUITA, OSAKA, JAPAN

Sampling Interval: 1 mn. Recording Interval: 1 mn. Illuminances: Global horizontal: EKO ML-010S Direct normal: EKO ML-010SD Irradiances: Global horizontal: EKO MS-62 Direct normal: EKO MS-62 Others: none

Station map Obstruction for the global horizontal illuminance sensor

Comments All the illuminance photocells and the irradiance sensors were calibrated by the manufacturers. The angle of sun tracker is adjusted almost every morning by students belonging to our laboratory.

SUITA, OSAKA, JAPAN

View 1 of the station	Comments A view of the station looking south-west, including from left to right the direct irradiance and illuminance sensors on their sun tracking mount, the horizontal global irradiance sensor and the horizontal global illuminance sensor. The white funnels at the bottom are not part of the IDMP station.
View 2 of the station	Comments A view of the station looking down from the penthouse. This penthouse which is located east of the station obstructs the direct sunshine to the sun tracking mount from the sunrise to about 7 o'clock, every day.

SUITA, OSAKA, JAPAN

Important modifications made to the acquisition system, recording interval modification, time during which the station was not operating...

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