The Automatic Weather Station (AWS) (MAWS201; Vaisala) at Biak, Indonesia (1.18S, 136.10E, 15m MSL) measures surface precipitation, temperature, relative humidity, pressure and wind direction and speed. This instrument has been operated by Research Institute for Sustainable Humanosphere (RISH), Kyoto University since March 2, 2008. Detailed description of this AWS can be found in the document (http://www.vaisala.com/Vaisala%20Documents/Brochures%20and%20Datasheets/MAWS201-Datasheet-B211006EN-A-LoRes.pdf).