2.1. Climatic Conditions in Uji Area
Based on data from Kyoto Prefecture Tea Industry Research [7], temperature data has shown that in the last 10
years mean air temperature fluctuation in micro climatic scale has becoming more apparent, especially during the
period of seasonal changes. As shown in Fig.1., recordedaverage air temperature data between January to May, it is
clearly shown that the fluctuations in gradual change of mean air temperature between seasons have become steeper.