Victoria cops a drenching with a month's worth of rain in a day Posted FriFriday 29 updated FriFriday 29 JanJanuary 2021 at 4:56am There was flash flooding in parts of Melbourne after about 40mm of rain fell in a four-hour period. ( Print text only Cancel A deep low pressure trough fuelled by tropical moisture saw some locations in Victoria get drenched by up to a month's worth of rainfall in a matter of hours. Key points: The SES has had more than 590 calls for help, including 138 calls for flooding Heavy rain has drenched the state, with around 70mm at Mount William and and 45mm in Melbourne