Ok .. back to Jan /Feb Townsville Flood . Found Newspaper rainfall measurements from Feb 1945 . Innisfail to the north of Townsville recorded consecutive days upto 200 mm also Townsville on the 03rd. Images below.
Google "The Argus 02 FEB 1945" .. change the date ... not every day is recorded.
https://trove.nla.gov.au/newspaper/page/28987