Australia's largest city was facing a flood emergency that inundated hundreds of homes and threatened 85,000 homes on Wednesday after days of torrential rain. The number was up from Tuesday, when 50,000 homes were threatened by the flood.

Parts of Sydney received nearly 8 inches of rain within 24 hours, which is more than 17% of the city's annual average. It's the fourth flood emergency in parts of the city in the past two years.

(MORE: Sydney Flood Disaster Evacuations Impacting 50,000 People)

Photos show abandoned vehicles on roads that have become rivers northwest of Sydney in Windsor, as well as floodwaters creeping up the sides of homes.

New South Wales state government has declared a disaster across 23 local government areas.

Emergency workers made 100 rescues overnight Monday in and around Sydney, according to State Emergency Service manager Ashley Sullivan.

The rain was easing Wednesday and floodwaters began to recede in some areas, The Associated Press reported, however several waterways were still at dangerous flood levels, including the Hawkesbury-Nepean rivers system to Sydney's north and flanking the western side of the city.

Click through the slideshow above to see images from the flood.

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