In Texas, the Federal Emergency Management Agency (FEMA) is still operating 50 Disaster Recovery Centers to help residents recovering from Hurricane Harvey.

In Florida, FEMA is running 18 Disaster Recovery Centers to help residents there after Hurricane Irma.

In Puerto Rico, 83% of the people living there — all U.S. citizens — remain without power after being hit by Hurricane Maria.

But President Trump threatened Thursday to withdraw FEMA, the military and other federal officials from the struggling island.

"We cannot keep FEMA, the Military & the First Responders, who have been amazing (under the most difficult circumstances) in P.R. forever!" the president tweeted.

Trump has already come under fire for the way his administration has responded to Hurricane Maria, which decimated Puerto Rico, compared to the way he handled Harvey and Irma.

The president tweeted or retweeted 25 times about Hurricane Harvey in the days leading up to the storm and the 48 hours after it made landfall. He tweeted about Irma 23 times during that timeframe. For Maria: the president sent two tweets.

Trump visited Texas four days after Harvey made landfall. He traveled to Florida four days after Irma made landfall. It took Trump 13 days to visit Puerto Rico after Maria made landfall.

In Texas and Florida, Trump spoke of the great job carried out by his administration, praised local officials for their hard work, and promised residents that the federal government would be there for the long haul.

More:Puerto Rico congresswoman on Trump's tweets: 'We need more boots on the ground'

More:With 80% of Puerto Rico still without power, Trump says FEMA can't stay 'forever'

More:Nearly 3 weeks after Hurricane Maria, distributing aid across Puerto Rico is a mess

"We love you, you are special, we’re here to take care," Trump told a crowd in Corpus Christi, Texas.

During his visit to Puerto Rico, he told local officials that they were throwing the federal budget "out of whack." He raised eyebrows when he threw rolls of paper towels at residents waiting for supplies. And he told Puerto Ricans that their death toll was nothing compared to the "real catastrophe" of Hurricane Katrina.

A decade after that storm flooded New Orleans, FEMA boasted about how their recovery efforts are still ongoing.

"Ten years into the recovery, FEMA continues to support communities and families, working side-by-side with state, local, and tribal partners," FEMA said in a statement.

It has been 22 days since Hurricane Maria made landfall in Puerto Rico.

Hours after Trump sent out his tweet on Thursday, Puerto Rico Gov. Ricardo Rossello responded:

"The U.S. citizens in Puerto Rico are requesting the support that any of our fellow citizens would receive across our Nation," he tweeted, without directly mentioning Trump's comment.