BANGKOK - A total of 677 people were confirmed dead and three people were missing in the floods that have inundated the upper part of the country for about four months, the Disaster Prevention and Mitigation Department reported on Wednesday.

Two more people were confirmed dead on Tuesday in the central province of Pathumthani.

Ayutthaya has the highest death toll where 139 people were killed by flood, followed by Nakhon Sawan, where 72 people were killed.

Floods were caused by the heavy monsoon "Nock-Ten" and overflow from several dams in the upper part of the country since mid July.

On Wednesday, floods still prevail in 11 of the 77 provinces and are affecting about 4.5 million people from 1.6 million households  

The floods have affected about 4.1 million households and about 13.6 million people in 64 of the 77 provinces since July 25.