The study was conducted in the city of Tel-Aviv, Israel, located at 32 060N 34 470E, situated along the east coast of the Mediterranean Sea. The climate of Tel-Aviv is defined as Subtropical Mediterranean (Potchter and Saaroni, 1998), characterized by two main seasons: a mild, wet winter with frequent stable weather episodes and a hot, humid, summer with high sun radiation values (Bitan and Rubin,1994).