Rain declines in the South West

Since the late 60s, rainfall has declined by up to 20 per cent overall. In recent decades, the downward trend has gained momentum.

A line chart representing the deviation from average rainfall every year from 1900 showing a downwards trend.
Rainfall anomaly for the region is calculated from the average rainfall between 1961 and 1990.
ABC Source: Bureau of Meteorology Get the data