The first half of 2012 was cooler and wetter than average, and the second half was warmer and drier than average. The change from wet to dry conditions was consistent with changing sea surface temperatures in the tropical Pacific and Indian Oceans, which are a primary driver of rainfall variability across much of Australia.
The Australian mean rainfall total for 2012 was 476 mm (11 mm above the long-term average of 465 mm); with the year ranked near the median of historical observations. This contrasts with 2011's high annual total of 699 mm. >> More