The vast plains of the Indus Valley are extremely hot in summer and have cold weather in winter. The coastal strip in the South has a temperate climate. There is general deficiency in the rainfall. In the plains the annual average ranges from 13 cm. In the northern parts of the lowers Indus plains to 89 cm.
Rains are monsoonal in origin and fall late in summer.
The Parliament is the highest law making body of the country. It consists of two Houses. The Upper House is called the Senate and the lower, the National Assembly. The Senate of Pakistan is a permanent legislative body and symbolises a process of continuity in the national affairs. The Constitution lays out the methodology for the election of the Senate.