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Fig. 2. Average monthly mean temperature (lines) and rainfall (bars) for (a) Moora (solid bars and _______), Wongan Hills (open bars and __ __ __ __), and Merredin (cross-hatched bars and __ .. __ .. __), Western Australia, based on weather records from 19071996; (b) Barellan (solid bars _______) and Pucawan (open bars and __ __ __ __), New South Wales, based on weather records from 19151992; and (c) Warra, Queensland, based on weather records from 19061995.