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The Big Picturerainfall50.040.030.020.015.010.05.00.0-5.0-10.0-15.0-20.0-30.0-40.0-50.050.040.030.020.015.010.05.00.0-5.0-10.0-15.0-20.0-30.0-40.0-50.0Figure 1. Rainfall trend maps for Australia since 1900These four maps show the trend in annual total rainfall acrossAustralia for different time intervals beginning from 1900.Map 1 covers 105 years; map 2 covers 95 years; map 3 covers55 years; and map 4 covers 35 years.In Map 1, all areas of Australia received average or aboveaverage rainfall. Map 2 shows the increasing rainfall occurringover northwestern Australia. Maps 3 and 4 show the decline inrainfall over eastern Australia – in some parts rainfall has fallento well below average.Source: Bureau of Meteorology, Rainfall trend maps, BOM,Melbourne, .Map 1. Trend in Annual Total Rainfall1900–2005 (mm/10yrs)50.040.030.020.015.010.05.00.0-5.0-10.0-15.0-20.0-30.0-40.0-50.0Map 2. Trend in Annual Total Rainfall1910–2005 (mm/10yrs)50.040.030.020.015.010.05.00.0-5.0-10.0-15.0-20.0-30.0-40.0-50.0Map 3. Trend in Annual Total Rainfall1950–2005 (mm/10yrs)Map 4. Trend in Annual Total Rainfall1970–2005 (mm/10yrs)22 Victorian Women’s Trust - Our Water Mark