Perth has recorded its wettest start to Autumn since 1971.
The city received 69.6 millimetres in March, well over the long term average of 19.2 millimetres.
It has also been the wettest start to the year for 13 years.
April's mean rainfall is 44 millimetres and the bureau is predicting the first April rain could fall this weekend.
© ABC 2013
12:38 EST Tropical Cyclone Jack has rapidly developed over the warm waters of the Indian Ocean in the past 24 hours, making it the 10th system to be named this season.