SAKYO, KYOTO, JAPAN

Contacts: Prof. Yasuto Nakamura Division of global Environment Eng. Kyoto University 606-01, Japan Tel : (81) 75 753 5739 Fax : (81) 75 753 5748 E-mail : Server :	Station Location: Sakyo, Kyoto, Japan. Latitude: 35°02' N Longitude: 135°47' E Height above sea level: 90 m. Local Time: GMT+9 Code: JPN2 Type: Research class. Operation: started in April 1, 1991.
Topographic map showing the land within a 5 km radius of the station location

SAKYO, KYOTO, JAPAN

Site surroundings: Sakyo is located on the north-east part of Kyoto city which has 1.4 million inhabitants. Within a 5 km radius of the station, the environment is 60% urban and suburban housing, 10% is parkland and 30% is forest mountain. There are several busy streets, and one of them is just on the north side of the station.	Climate characteristics: Climate is temperature maritime with mild winters and humid hot summers. Rain can occur at any time of the year. Average annual temperature is 15.3 °C. Average temperature is 4.0 °C in January and 26.5 °C in July. The annual sunshine duration is 1708 hours. The dominant sky type is partly cloudy. The closest weather station is located at the center of Kyoto, 4.8 km west of the station.
Map showing the immediate surroundings of the station

SAKYO, KYOTO, JAPAN

Sampling Interval: 1 mn. Recording Interval: 1 mn. Illuminances: Global horizontal: EKO ML-010S Diffuse horizontal: EKO ML-010S North vertical: EKO ML-010S East vertical: EKO ML-010S South vertical: EKO ML-010S West vertical: EKO ML-010S Direct normal: EKO ML-010SD Irradiances: Global horizontal: EKO MS-801 Diffuse horizontal: EKO MS-801 North vertical: EKO MS-801 East vertical: EKO MS-801 South vertical: EKO MS-801 West vertical: EKO MS-801 Direct normal: EKO MS-52 Others: Zenith luminance: EKO ML-010SD Duration of sunshine: EKO MS-091 Dry bulb temperature: EKO MT-020S Dew-point temperature: EKO MH-030 Effective radiation: EKO CN-11A Sky luminances: EKO MS-300 Wind direction: OTA MVC-301 Wind speed: OTA MVC-301 Shadow band specifications: Diffuse illuminance: radius: 25.0 cm / width: 5.0 cm Diffuse irradiance: radius: 25.0 cm / width: 5.0 cm

Station map Obstruction for the global horizontal illuminance sensor

Comments Except instruments for temperature, humidity and wind, all the photometric and radiometric sensors were made and calibrated by the manufacture, EKO Corp.

SAKYO, KYOTO, JAPAN

View 1 of the station	Comments This view of the station is looking toward south, yhe diffuse illuminance sensor with a shadow ring can be seen on the left. Behind is the radiometer for effective radiation. The direct irradiance and illuminance sensors are in the center. The sky scanner for directional sky limunances can be seen on the right.
View 2 of the station	Comments This view of the station is looking toward south-east from the west north corner. The diffuse irradiance sensor with a shadow ring is in the center. Behind is the sky scanner. The zenith luminance sensor and the heliograph can be seen on the right. Behind is the horizontal global illuminance sensor.

SAKYO, KYOTO, JAPAN

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

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