With this, about 1.2 lakh people have been affected in nearly 450 villages, official sources said.
According to Assam State Disaster Management Authority (ASDMA), 27 villages are affected in five districts -- Dhemaji, Chirang, Lakhimpur, Jorhat and Sivasagar.
The flood waters have destroyed standing crops like rice in around 6,500 hectares of agricultural land across 11 districts in the state.
As per ASDMA data, nine relief camps have been set up in Dhemaji and Chirang districts and about 3,000 people have taken shelter there.
The 11 affected districts are Dhemaji, Tinsukia, Chirang, Nagaon, Golaghat, Jorhat, Kamrup, Karimganj, Lakhimpur, Morigaon and Sivasagar.