The toll that Harvey is taking on Texas is staggering.

Already, it has dumped 11 trillion gallons of rain over the state, says Ryan Maue with WeatherBell, a weather analytics company. And by the time Harvey dissipates, the state will have seen 25 trillion gallons of rain, he predicts.

Between midnight Friday and 9:20 a.m. Tuesday, 49.20 inches of rain fell in Texas — a record for continental US from a landfalling tropical cyclone, the National Weather Service said.

"The word catastrophic does not appropriately describe what we're facing," said Rep. Sheila Jackson Lee, who represents much of Houston. "We just don't know when it's going to end."

More Harvey numbers (as of Wednesday morning, Aug. 30, 2017):

11 trillion: Gallons of water dumped on Southern Texas as of Tuesday night

12 million: People under flood watches and warnings

3,400: Water rescues in Houston by Tuesday morning

30,000: People who will need temporary shelter

215,000: Students in Houston who are out of school due to class cancellations (7th largest district in U.S.)

56,000: Calls to Houston 911 in 15 hours (average per day is 8,000)

58: Counties under Texas disaster declaration