The average daily temperature range between 26 degree and 28 degree Celsius with its minimum 18 degree C and maximum 35 degree C respectively. Average humidity is 74% with its minimum of 65% and maximum 84% respectively. The Yogyakarta Special Region lays approximately 7 South of the equator line and is bathed in tropical; sunshine along the year. This region has a tropic climate the daily atmosphere feels a little bit hot and humid. These are only two seasons along the year, the wet or rainy seasons and dry monsoon. Usually the wet seasons begin at September and lasts about August. Generally there is no rainfalls from may to August and there fore the atmosphere feels hot and humid on the day and cool in the night and early morning. The monthly rain falling Yogyakarta varies between 3mm and 496mm in which those above 300mm take place during the month of January up to April. The heaviest rainfall usually occurs in February while the lowest commonly happens between May and October Average annually rainfall is about 1,900mm.