chilling - the process of becoming cooler; a falling temperature. cooling, temperature reduction. freeze, freezing - the withdrawal of heat to change something from a liquid to a solid. heat dissipation - dissipation of heat.
Australia is also one of the driest continents on earth with an average annual rainfall of less than 600 millimetres. Like all countries in the southern hemisphere, Australia's seasons are opposite to those in the northern hemisphere.
Corowa, in the south eastern Riverina has an average rainfall of 539.4 millimetres (21.2 in) per year while mean annual rainfall at Hay is 367.2 millimetres (14.5 in). Drought in 2006 has seen the lowest ever recorded rainfall in towns such as Lockhart, Tarcutta and Narrandera.n the 20th century, the development of major irrigation areas in the Murray and Murrumbidgee valleys has led to the introduction of crops such as rice and wine grapes. The Riverina has strong cultural ties to Victoria, and the region was the source of much of the impetus behind the federation of Australian colonies.