PORTLAND

A storm that rolled through Maine brought record-setting rainfall — enough to wash out roads, cause street flooding and damage scores of cars. Powerful thunderstorms also knocked out electricity for thousands of customers.

The 24-hour total for Wednesday’s storm was 6.28 inches at the Portland International Jetport. That’s a record for the date, and it’s fifth on the all-time list, said Mike Kistner from the National Weather Service.

Trees and limbs fell onto power lines, leaving more than 6,000 Central Maine Power and Emera Maine customers in the dark. In Portland, manhole covers were blown off. Roads were closed across the state.

By Thursday morning, the flood waters had receded, most roads were open and the sun was out.

There were no reports of serious injuries.

“Damage reports so far have been minimal, but we are urging Mainers to stay safe and take all precautions when dealing with flooded basements and roads, as well as any downed power lines,” said Gov. Paul LePage.

At the height of the storm, more than 4 inches of rain fell in a 2-hour period. In Portland, some parked cars floated into roadways, and water shot out of manholes like geysers, Kistner said. About 3 feet of standing water damaged scores of cars in one parking lot alone at a Portland motel.

The storm could’ve been much worse.

The heaviest rain fell on the coast instead of in the mountains, where the rain would have caused dangerous fast-moving flash floods, Kistner said. “We had some cars damaged and some washouts, but luckily we didn’t hear about any major injuries or fatalities,” he said.