Clean water and sanitation became Becoming a matter of grave concern in many areas due to the earthquake 's destruction Destroying of some $ 7 million to municipal drinking water systems , and tens of thousands of people were living outdoors in spite of the approaching rainy season ( `` invierno '' ) .

The flood Catastrophe occurred Coming_to_be during Tanzania 's rainy season the , months of March , April , and May , during which rainfall ranges Cause_change_of_position_on_a_scale from about 150mm to 250 mm .

The rainy weather continued Motion into early 2012 , and the water level rose Cause_change_of_position_on_a_scale in the Amazon —extensive stream that feeds Filling most of the Loreto tributaries— to 117 m. From February and March , several towns are affected Influence ( 19,209-18,400 affected families ) , 26 000 hectares of farmland are flooded Catastrophe and water level reached the coastal streets of Iquitos .

It dumped Bringing snow on trees that were often still in leaf , adding extra weight , with the ground in some areas still soft from a preceding warm , rainy period that increased Cause_change_of_position_on_a_scale the possibility trees could be uprooted Removing .